#!/usr/bin/env python3
"""ViewIt Kodi-Addon Einstiegspunkt.

Dieses Modul ist der Router fuer die Kodi-Navigation: es rendert Menues,
ruft Plugin-Implementierungen auf und startet die Wiedergabe.
"""

from __future__ import annotations

import asyncio
import atexit
from contextlib import contextmanager
from datetime import datetime
import importlib.util
import inspect
import json
import io
import os
import re
import sys
import threading
import time
import xml.etree.ElementTree as ET
import zipfile
from pathlib import Path
from types import ModuleType
from urllib.parse import parse_qs, urlencode, urlparse
from urllib.error import URLError
from urllib.request import Request, urlopen


def _ensure_windows_selector_policy() -> None:
    """Erzwingt unter Windows einen Selector-Loop (thread-kompatibel in Kodi)."""
    if not sys.platform.startswith("win"):
        return
    try:
        current = asyncio.get_event_loop_policy()
        if current.__class__.__name__ == "WindowsSelectorEventLoopPolicy":
            return
        asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
    except Exception:
        # Fallback: Wenn die Policy nicht verfügbar ist, arbeitet der Code mit Default-Policy weiter.
        return

try:  # pragma: no cover - Kodi runtime
    import xbmc  # type: ignore[import-not-found]
    import xbmcaddon  # type: ignore[import-not-found]
    import xbmcgui  # type: ignore[import-not-found]
    import xbmcplugin  # type: ignore[import-not-found]
    import xbmcvfs  # type: ignore[import-not-found]
except ImportError:  # pragma: no cover - allow importing outside Kodi (e.g. linting)
    xbmc = None
    xbmcaddon = None
    xbmcgui = None
    xbmcplugin = None
    xbmcvfs = None

    class _XbmcStub:
        LOGDEBUG = 0
        LOGINFO = 1
        LOGWARNING = 2

        @staticmethod
        def log(message: str, level: int = 1) -> None:
            print(f"[KodiStub:{level}] {message}")

        class Player:
            def play(self, item: str, listitem: object | None = None) -> None:
                print(f"[KodiStub] play: {item}")

    class _XbmcGuiStub:
        INPUT_ALPHANUM = 0
        NOTIFICATION_INFO = 0

        class Dialog:
            def input(self, heading: str, type: int = 0) -> str:
                raise RuntimeError("xbmcgui ist nicht verfuegbar (KodiStub).")

            def select(self, heading: str, options: list[str]) -> int:
                raise RuntimeError("xbmcgui ist nicht verfuegbar (KodiStub).")

            def notification(self, heading: str, message: str, icon: int = 0, time: int = 0) -> None:
                print(f"[KodiStub] notification: {heading}: {message}")

        class ListItem:
            def __init__(self, label: str = "", path: str = "") -> None:
                self._label = label
                self._path = path

            def setInfo(self, type: str, infoLabels: dict[str, str]) -> None:
                return

    class _XbmcPluginStub:
        @staticmethod
        def addDirectoryItem(*, handle: int, url: str, listitem: object, isFolder: bool) -> None:
            print(f"[KodiStub] addDirectoryItem: {url}")

        @staticmethod
        def endOfDirectory(handle: int) -> None:
            print(f"[KodiStub] endOfDirectory: {handle}")

        @staticmethod
        def setPluginCategory(handle: int, category: str) -> None:
            print(f"[KodiStub] category: {category}")

    xbmc = _XbmcStub()
    xbmcgui = _XbmcGuiStub()
    xbmcplugin = _XbmcPluginStub()

from plugin_interface import BasisPlugin
from http_session_pool import close_all_sessions
from plugin_helpers import normalize_resolved_stream_url
from metadata_utils import (
    collect_plugin_metadata as _collect_plugin_metadata,
    merge_metadata as _merge_metadata,
    metadata_policy as _metadata_policy_impl,
    needs_tmdb as _needs_tmdb,
)
from tmdb import TmdbCastMember, fetch_tv_episode_credits, lookup_movie, lookup_tv_season, lookup_tv_season_summary, lookup_tv_show

PLUGIN_DIR = Path(__file__).with_name("plugins")
_PLUGIN_CACHE: dict[str, BasisPlugin] | None = None
_TMDB_CACHE: dict[str, tuple[dict[str, str], dict[str, str]]] = {}
_TMDB_CAST_CACHE: dict[str, list[TmdbCastMember]] = {}
_TMDB_ID_CACHE: dict[str, int] = {}
_TMDB_SEASON_CACHE: dict[tuple[int, int, str, str], dict[int, tuple[dict[str, str], dict[str, str]]]] = {}
_TMDB_SEASON_SUMMARY_CACHE: dict[tuple[int, int, str, str], tuple[dict[str, str], dict[str, str]]] = {}
_TMDB_EPISODE_CAST_CACHE: dict[tuple[int, int, int, str], list[TmdbCastMember]] = {}
_TMDB_LOG_PATH: str | None = None
_GENRE_TITLES_CACHE: dict[tuple[str, str], list[str]] = {}
_ADDON_INSTANCE = None
_PLAYSTATE_CACHE: dict[str, dict[str, object]] | None = None
_PLAYSTATE_LOCK = threading.RLock()
_TMDB_LOCK = threading.RLock()
WATCHED_THRESHOLD = 0.9
POPULAR_MENU_LABEL = "Haeufig gesehen"
LATEST_MENU_LABEL = "Neuste Titel"
LIST_PAGE_SIZE = 20

atexit.register(close_all_sessions)


def _tmdb_cache_get(cache: dict, key, default=None):
    with _TMDB_LOCK:
        return cache.get(key, default)


def _tmdb_cache_set(cache: dict, key, value) -> None:
    with _TMDB_LOCK:
        cache[key] = value


def _tmdb_prefetch_concurrency() -> int:
    """Max number of concurrent TMDB lookups when prefetching metadata for lists."""
    try:
        raw = _get_setting_string("tmdb_prefetch_concurrency").strip()
        value = int(raw) if raw else 6
    except Exception:
        value = 6
    return max(1, min(20, value))


def _tmdb_enabled() -> bool:
    return _get_setting_bool("tmdb_enabled", default=True)


def _log(message: str, level: int = xbmc.LOGINFO) -> None:
    xbmc.log(f"[ViewIt] {message}", level)


def _busy_open() -> None:
    try:  # pragma: no cover - Kodi runtime
        if xbmc is not None and hasattr(xbmc, "executebuiltin"):
            xbmc.executebuiltin("ActivateWindow(busydialognocancel)")
    except Exception:
        pass


def _busy_close() -> None:
    try:  # pragma: no cover - Kodi runtime
        if xbmc is not None and hasattr(xbmc, "executebuiltin"):
            xbmc.executebuiltin("Dialog.Close(busydialognocancel)")
            xbmc.executebuiltin("Dialog.Close(busydialog)")
    except Exception:
        pass


@contextmanager
def _busy_dialog(message: str = "Bitte warten...", *, heading: str = "Bitte warten"):
    """Progress-Dialog statt Spinner, mit kurzem Status-Text."""
    with _progress_dialog(heading, message) as progress:
        progress(10, message)

        def _update(step_message: str, percent: int | None = None) -> bool:
            pct = 50 if percent is None else max(5, min(95, int(percent)))
            return progress(pct, step_message or message)

        try:
            yield _update
        finally:
            progress(100, "Fertig")


@contextmanager
def _progress_dialog(heading: str, message: str = ""):
    """Zeigt einen Fortschrittsdialog in Kodi und liefert eine Update-Funktion."""
    dialog = None
    try:  # pragma: no cover - Kodi runtime
        if xbmcgui is not None and hasattr(xbmcgui, "DialogProgress"):
            dialog = xbmcgui.DialogProgress()
            dialog.create(heading, message)
    except Exception:
        dialog = None

    def _update(percent: int, text: str = "") -> bool:
        if dialog is None:
            return False
        percent = max(0, min(100, int(percent)))
        try:  # Kodi Matrix/Nexus
            dialog.update(percent, text)
        except TypeError:
            try:  # Kodi Leia fallback
                dialog.update(percent, text, "", "")
            except Exception:
                pass
        except Exception:
            pass
        try:
            return bool(dialog.iscanceled())
        except Exception:
            return False

    try:
        yield _update
    finally:
        if dialog is not None:
            try:
                dialog.close()
            except Exception:
                pass


def _run_with_progress(heading: str, message: str, loader):
    """Fuehrt eine Ladefunktion mit sichtbarem Fortschrittsdialog aus."""
    with _progress_dialog(heading, message) as progress:
        progress(10, message)
        result = loader()
        progress(100, "Fertig")
        return result


def _method_accepts_kwarg(method: object, kwarg_name: str) -> bool:
    if not callable(method):
        return False
    try:
        signature = inspect.signature(method)
    except Exception:
        return False
    for param in signature.parameters.values():
        if param.kind == inspect.Parameter.VAR_KEYWORD:
            return True
        if param.name == kwarg_name and param.kind in (
            inspect.Parameter.POSITIONAL_OR_KEYWORD,
            inspect.Parameter.KEYWORD_ONLY,
        ):
            return True
    return False


def _call_plugin_search(plugin: BasisPlugin, query: str, *, progress_callback=None):
    method = getattr(plugin, "search_titles", None)
    if not callable(method):
        raise RuntimeError("Plugin hat keine gueltige search_titles Methode.")
    if progress_callback is not None and _method_accepts_kwarg(method, "progress_callback"):
        return method(query, progress_callback=progress_callback)
    return method(query)


def _get_handle() -> int:
    return int(sys.argv[1]) if len(sys.argv) > 1 else -1


def _set_content(handle: int, content: str) -> None:
    """Hint Kodi about the content type so skins can show watched/resume overlays."""
    content = (content or "").strip()
    if not content:
        return
    try:  # pragma: no cover - Kodi runtime
        setter = getattr(xbmcplugin, "setContent", None)
        if callable(setter):
            setter(handle, content)
    except Exception:
        pass


def _get_addon():
    global _ADDON_INSTANCE
    if xbmcaddon is None:
        return None
    if _ADDON_INSTANCE is None:
        _ADDON_INSTANCE = xbmcaddon.Addon()
    return _ADDON_INSTANCE


def _playstate_key(*, plugin_name: str, title: str, season: str, episode: str) -> str:
    plugin_name = (plugin_name or "").strip()
    title = (title or "").strip()
    season = (season or "").strip()
    episode = (episode or "").strip()
    return f"{plugin_name}\t{title}\t{season}\t{episode}"


def _load_playstate() -> dict[str, dict[str, object]]:
    return {}


def _save_playstate(state: dict[str, dict[str, object]]) -> None:
    return


def _get_playstate(key: str) -> dict[str, object]:
    return {}


def _set_playstate(key: str, value: dict[str, object]) -> None:
    return


def _apply_playstate_to_info(info_labels: dict[str, object], playstate: dict[str, object]) -> dict[str, object]:
    return dict(info_labels or {})


def _label_with_playstate(label: str, playstate: dict[str, object]) -> str:
    return label


def _title_playstate(plugin_name: str, title: str) -> dict[str, object]:
    return _get_playstate(_playstate_key(plugin_name=plugin_name, title=title, season="", episode=""))


def _season_playstate(plugin_name: str, title: str, season: str) -> dict[str, object]:
    return _get_playstate(_playstate_key(plugin_name=plugin_name, title=title, season=season, episode=""))


def _get_setting_string(setting_id: str) -> str:
    if xbmcaddon is None:
        return ""
    addon = _get_addon()
    if addon is None:
        return ""
    getter = getattr(addon, "getSettingString", None)
    if callable(getter):
        try:
            return str(getter(setting_id) or "")
        except TypeError:
            return ""
    getter = getattr(addon, "getSetting", None)
    if callable(getter):
        try:
            return str(getter(setting_id) or "")
        except TypeError:
            return ""
    return ""


def _get_setting_bool(setting_id: str, *, default: bool = False) -> bool:
    if xbmcaddon is None:
        return default
    addon = _get_addon()
    if addon is None:
        return default
    getter = getattr(addon, "getSettingBool", None)
    if callable(getter):
        # Kodi kann für unbekannte Settings stillschweigend `False` liefern.
        # Damit neue Settings mit `default=True` korrekt funktionieren, prüfen wir auf leeren Raw-Value.
        raw_getter = getattr(addon, "getSetting", None)
        if callable(raw_getter):
            try:
                raw = str(raw_getter(setting_id) or "").strip()
            except TypeError:
                raw = ""
            if raw == "":
                return default
        try:
            return bool(getter(setting_id))
        except TypeError:
            return default
    getter = getattr(addon, "getSetting", None)
    if callable(getter):
        try:
            raw = str(getter(setting_id) or "").strip().lower()
        except TypeError:
            return default
        if raw in {"true", "1", "yes", "on"}:
            return True
        if raw in {"false", "0", "no", "off"}:
            return False
    return default


def _get_setting_int(setting_id: str, *, default: int = 0) -> int:
    if xbmcaddon is None:
        return default
    addon = _get_addon()
    if addon is None:
        return default
    getter = getattr(addon, "getSettingInt", None)
    if callable(getter):
        raw_getter = getattr(addon, "getSetting", None)
        if callable(raw_getter):
            try:
                raw = str(raw_getter(setting_id) or "").strip()
            except TypeError:
                raw = ""
            if raw == "":
                return default
        try:
            return int(getter(setting_id))
        except TypeError:
            return default
    getter = getattr(addon, "getSetting", None)
    if callable(getter):
        try:
            raw = str(getter(setting_id) or "").strip()
        except TypeError:
            return default
        if raw == "":
            return default
        try:
            return int(raw)
        except ValueError:
            return default
    return default


def _metadata_policy(
    plugin_name: str,
    plugin: BasisPlugin,
    *,
    allow_tmdb: bool,
) -> tuple[bool, bool, bool]:
    return _metadata_policy_impl(
        plugin_name,
        plugin,
        allow_tmdb=allow_tmdb,
        get_setting_int=_get_setting_int,
    )


def _tmdb_list_enabled() -> bool:
    return _tmdb_enabled() and _get_setting_bool("tmdb_genre_metadata", default=False)


def _set_setting_string(setting_id: str, value: str) -> None:
    if xbmcaddon is None:
        return
    addon = _get_addon()
    if addon is None:
        return
    setter = getattr(addon, "setSettingString", None)
    if callable(setter):
        try:
            setter(setting_id, str(value))
            return
        except TypeError:
            return
    setter = getattr(addon, "setSetting", None)
    if callable(setter):
        try:
            setter(setting_id, str(value))
        except TypeError:
            return


def _apply_video_info(item, info_labels: dict[str, object] | None, cast: list[TmdbCastMember] | None) -> None:
    """Setzt Metadaten bevorzugt via InfoTagVideo (Kodi v20+), mit Fallback auf deprecated APIs."""

    if not info_labels and not cast:
        return

    info_labels = dict(info_labels or {})

    get_tag = getattr(item, "getVideoInfoTag", None)
    tag = None
    if callable(get_tag):
        try:
            tag = get_tag()
        except Exception:
            tag = None

    if tag is not None:
        try:
            title = info_labels.get("title") or ""
            plot = info_labels.get("plot") or ""
            mediatype = info_labels.get("mediatype") or ""
            tvshowtitle = info_labels.get("tvshowtitle") or ""
            season = info_labels.get("season")
            episode = info_labels.get("episode")
            rating = info_labels.get("rating")
            votes = info_labels.get("votes")
            duration = info_labels.get("duration")
            playcount = info_labels.get("playcount")
            resume_position = info_labels.get("resume_position")
            resume_total = info_labels.get("resume_total")

            setter = getattr(tag, "setTitle", None)
            if callable(setter) and title:
                setter(str(title))
            setter = getattr(tag, "setPlot", None)
            if callable(setter) and plot:
                setter(str(plot))
            setter = getattr(tag, "setMediaType", None)
            if callable(setter) and mediatype:
                setter(str(mediatype))
            setter = getattr(tag, "setTvShowTitle", None)
            if callable(setter) and tvshowtitle:
                setter(str(tvshowtitle))
            setter = getattr(tag, "setSeason", None)
            if callable(setter) and season not in (None, "", 0, "0"):
                setter(int(season))  # type: ignore[arg-type]
            setter = getattr(tag, "setEpisode", None)
            if callable(setter) and episode not in (None, "", 0, "0"):
                setter(int(episode))  # type: ignore[arg-type]

            if rating not in (None, "", 0, "0"):
                try:
                    rating_f = float(rating)  # type: ignore[arg-type]
                except Exception:
                    rating_f = 0.0
                if rating_f:
                    set_rating = getattr(tag, "setRating", None)
                    if callable(set_rating):
                        try:
                            if votes not in (None, "", 0, "0"):
                                set_rating(rating_f, int(votes), "tmdb")  # type: ignore[misc]
                            else:
                                set_rating(rating_f)  # type: ignore[misc]
                        except Exception:
                            try:
                                set_rating(rating_f, int(votes or 0), "tmdb", True)  # type: ignore[misc]
                            except Exception:
                                pass

            if duration not in (None, "", 0, "0"):
                try:
                    duration_i = int(duration)  # type: ignore[arg-type]
                except Exception:
                    duration_i = 0
                if duration_i:
                    set_duration = getattr(tag, "setDuration", None)
                    if callable(set_duration):
                        try:
                            set_duration(duration_i)
                        except Exception:
                            pass

            if playcount not in (None, "", 0, "0"):
                try:
                    playcount_i = int(playcount)  # type: ignore[arg-type]
                except Exception:
                    playcount_i = 0
                if playcount_i:
                    set_playcount = getattr(tag, "setPlaycount", None)
                    if callable(set_playcount):
                        try:
                            set_playcount(playcount_i)
                        except Exception:
                            pass

            try:
                pos = int(resume_position) if resume_position is not None else 0
                tot = int(resume_total) if resume_total is not None else 0
            except Exception:
                pos, tot = 0, 0
            if pos > 0 and tot > 0:
                set_resume = getattr(tag, "setResumePoint", None)
                if callable(set_resume):
                    try:
                        set_resume(pos, tot)
                    except Exception:
                        try:
                            set_resume(pos)  # type: ignore[misc]
                        except Exception:
                            pass

            if cast:
                set_cast = getattr(tag, "setCast", None)
                actor_cls = getattr(xbmc, "Actor", None)
                if callable(set_cast) and actor_cls is not None:
                    actors = []
                    for index, member in enumerate(cast[:30]):
                        try:
                            actors.append(actor_cls(member.name, member.role, index, member.thumb))
                        except Exception:
                            try:
                                actors.append(actor_cls(member.name, member.role))
                            except Exception:
                                continue
                    try:
                        set_cast(actors)
                    except Exception:
                        pass
                elif callable(set_cast):
                    cast_dicts = [
                        {"name": m.name, "role": m.role, "thumbnail": m.thumb}
                        for m in cast[:30]
                        if m.name
                    ]
                    try:
                        set_cast(cast_dicts)
                    except Exception:
                        pass

            return
        except Exception:
            # Fallback below
            pass

    # Deprecated fallback for older Kodi.
    try:
        item.setInfo("video", info_labels)  # type: ignore[arg-type]
    except Exception:
        pass
    if cast:
        set_cast = getattr(item, "setCast", None)
        if callable(set_cast):
            try:
                set_cast([m.name for m in cast[:30] if m.name])
            except Exception:
                pass


def _get_log_path(filename: str) -> str:
    if xbmcaddon and xbmcvfs:
        addon = xbmcaddon.Addon()
        profile = xbmcvfs.translatePath(addon.getAddonInfo("profile"))
        log_dir = os.path.join(profile, "logs")
        if not xbmcvfs.exists(log_dir):
            xbmcvfs.mkdirs(log_dir)
        return os.path.join(log_dir, filename)
    return os.path.join(os.path.dirname(__file__), filename)


def _tmdb_file_log(message: str) -> None:
    global _TMDB_LOG_PATH
    if _TMDB_LOG_PATH is None:
        _TMDB_LOG_PATH = _get_log_path("tmdb.log")
    timestamp = datetime.utcnow().isoformat(timespec="seconds") + "Z"
    line = f"{timestamp}\t{message}\n"
    try:
        with open(_TMDB_LOG_PATH, "a", encoding="utf-8") as handle:
            handle.write(line)
    except Exception:
        if xbmcvfs is None:
            return
        try:
            handle = xbmcvfs.File(_TMDB_LOG_PATH, "a")
            handle.write(line)
            handle.close()
        except Exception:
            return


def _tmdb_labels_and_art(title: str) -> tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]:
    if not _tmdb_enabled():
        return {}, {}, []
    title_key = (title or "").strip().casefold()
    language = _get_setting_string("tmdb_language").strip() or "de-DE"
    show_plot = _get_setting_bool("tmdb_show_plot", default=True)
    show_art = _get_setting_bool("tmdb_show_art", default=True)
    show_fanart = _get_setting_bool("tmdb_show_fanart", default=True)
    show_rating = _get_setting_bool("tmdb_show_rating", default=True)
    show_votes = _get_setting_bool("tmdb_show_votes", default=False)
    show_cast = _get_setting_bool("tmdb_show_cast", default=False)
    flags = f"p{int(show_plot)}a{int(show_art)}f{int(show_fanart)}r{int(show_rating)}v{int(show_votes)}c{int(show_cast)}"
    cache_key = f"{language}|{flags}|{title_key}"
    cached = _tmdb_cache_get(_TMDB_CACHE, cache_key)
    if cached is not None:
        info, art = cached
        # Cast wird nicht in _TMDB_CACHE gehalten (weil es ListItem.setCast betrifft), daher separat cachen:
        cast_cached = _tmdb_cache_get(_TMDB_CAST_CACHE, cache_key, [])
        return info, art, list(cast_cached)

    info_labels: dict[str, str] = {"title": title}
    art: dict[str, str] = {}
    cast: list[TmdbCastMember] = []
    query = (title or "").strip()
    api_key = _get_setting_string("tmdb_api_key").strip()
    log_requests = _get_setting_bool("tmdb_log_requests", default=False)
    log_responses = _get_setting_bool("tmdb_log_responses", default=False)
    if api_key:
        try:
            log_fn = _tmdb_file_log if (log_requests or log_responses) else None
            # Einige Plugins liefern Titel wie "… – Der Film". Für TMDB ist oft der Basistitel besser.
            candidates: list[str] = []
            if query:
                candidates.append(query)
                simplified = re.sub(r"\s*[-–]\s*der\s+film\s*$", "", query, flags=re.IGNORECASE).strip()
                if simplified and simplified not in candidates:
                    candidates.append(simplified)

            meta = None
            is_tv = False
            for candidate in candidates:
                meta = lookup_tv_show(
                    title=candidate,
                    api_key=api_key,
                    language=language,
                    log=log_fn,
                    log_responses=log_responses,
                    include_cast=show_cast,
                )
                if meta:
                    is_tv = True
                    break
            if not meta:
                for candidate in candidates:
                    movie = lookup_movie(
                        title=candidate,
                        api_key=api_key,
                        language=language,
                        log=log_fn,
                        log_responses=log_responses,
                        include_cast=show_cast,
                    )
                    if movie:
                        meta = movie
                        break
        except Exception as exc:
            try:
                _tmdb_file_log(f"TMDB ERROR lookup_failed title={title!r} error={exc!r}")
            except Exception:
                pass
            _log(f"TMDB Meta fehlgeschlagen: {exc}", xbmc.LOGDEBUG)
            meta = None
        if meta:
            # Nur TV-IDs cachen (für Staffel-/Episoden-Lookups); Movie-IDs würden dort fehlschlagen.
            if is_tv:
                _tmdb_cache_set(_TMDB_ID_CACHE, title_key, int(getattr(meta, "tmdb_id", 0) or 0))
                info_labels.setdefault("mediatype", "tvshow")
            else:
                info_labels.setdefault("mediatype", "movie")
            if show_plot and getattr(meta, "plot", ""):
                info_labels["plot"] = getattr(meta, "plot", "")
            runtime_minutes = int(getattr(meta, "runtime_minutes", 0) or 0)
            if runtime_minutes > 0 and not is_tv:
                info_labels["duration"] = str(runtime_minutes * 60)
            rating = getattr(meta, "rating", 0.0) or 0.0
            votes = getattr(meta, "votes", 0) or 0
            if show_rating and rating:
                # Kodi akzeptiert je nach Version float oder string; wir bleiben bei strings wie im restlichen Code.
                info_labels["rating"] = str(rating)
            if show_votes and votes:
                info_labels["votes"] = str(votes)
            if show_art and getattr(meta, "poster", ""):
                poster = getattr(meta, "poster", "")
                art.update({"thumb": poster, "poster": poster, "icon": poster})
            if show_fanart and getattr(meta, "fanart", ""):
                fanart = getattr(meta, "fanart", "")
                if fanart:
                    art.update({"fanart": fanart, "landscape": fanart})
            if show_cast:
                cast = list(getattr(meta, "cast", []) or [])
        elif log_requests or log_responses:
            _tmdb_file_log(f"TMDB MISS title={title!r}")

    _tmdb_cache_set(_TMDB_CACHE, cache_key, (info_labels, art))
    _tmdb_cache_set(_TMDB_CAST_CACHE, cache_key, list(cast))
    return info_labels, art, list(cast)


async def _tmdb_labels_and_art_bulk_async(
    titles: list[str],
) -> dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]]:
    titles = [str(t).strip() for t in (titles or []) if t and str(t).strip()]
    if not titles:
        return {}

    unique_titles: list[str] = list(dict.fromkeys(titles))
    limit = _tmdb_prefetch_concurrency()
    semaphore = asyncio.Semaphore(limit)

    async def fetch_one(title: str):
        async with semaphore:
            return title, await asyncio.to_thread(_tmdb_labels_and_art, title)

    tasks = [fetch_one(title) for title in unique_titles]
    results = await asyncio.gather(*tasks, return_exceptions=True)
    mapped: dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]] = {}
    for entry in results:
        if isinstance(entry, Exception):
            continue
        try:
            title, payload = entry
        except Exception:
            continue
        if isinstance(title, str) and isinstance(payload, tuple) and len(payload) == 3:
            mapped[title] = payload  # type: ignore[assignment]
    return mapped


def _tmdb_labels_and_art_bulk(
    titles: list[str],
) -> dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]]:
    if not _tmdb_enabled():
        return {}
    return _run_async(_tmdb_labels_and_art_bulk_async(titles))


def _tmdb_episode_labels_and_art(*, title: str, season_label: str, episode_label: str) -> tuple[dict[str, str], dict[str, str]]:
    if not _tmdb_enabled():
        return {"title": episode_label}, {}
    title_key = (title or "").strip().casefold()
    tmdb_id = _tmdb_cache_get(_TMDB_ID_CACHE, title_key)
    if not tmdb_id:
        _tmdb_labels_and_art(title)
        tmdb_id = _tmdb_cache_get(_TMDB_ID_CACHE, title_key)
    if not tmdb_id:
        return {"title": episode_label}, {}

    season_number = _extract_first_int(season_label)
    episode_number = _extract_first_int(episode_label)
    if season_number is None or episode_number is None:
        return {"title": episode_label}, {}

    language = _get_setting_string("tmdb_language").strip() or "de-DE"
    show_plot = _get_setting_bool("tmdb_show_plot", default=True)
    show_art = _get_setting_bool("tmdb_show_art", default=True)
    flags = f"p{int(show_plot)}a{int(show_art)}"
    season_key = (tmdb_id, season_number, language, flags)
    cached_season = _tmdb_cache_get(_TMDB_SEASON_CACHE, season_key)
    if cached_season is None:
        api_key = _get_setting_string("tmdb_api_key").strip()
        if not api_key:
            return {"title": episode_label}, {}
        log_requests = _get_setting_bool("tmdb_log_requests", default=False)
        log_responses = _get_setting_bool("tmdb_log_responses", default=False)
        log_fn = _tmdb_file_log if (log_requests or log_responses) else None
        try:
            season_meta = lookup_tv_season(
                tmdb_id=tmdb_id,
                season_number=season_number,
                api_key=api_key,
                language=language,
                log=log_fn,
                log_responses=log_responses,
            )
        except Exception as exc:
            if log_fn:
                log_fn(f"TMDB ERROR season_lookup_failed tmdb_id={tmdb_id} season={season_number} error={exc!r}")
            season_meta = None
        mapped: dict[int, tuple[dict[str, str], dict[str, str]]] = {}
        if season_meta:
            for ep_no, ep in season_meta.items():
                info: dict[str, str] = {"title": f"Episode {ep_no}"}
                if show_plot and ep.plot:
                    info["plot"] = ep.plot
                if getattr(ep, "runtime_minutes", 0):
                    info["duration"] = str(int(getattr(ep, "runtime_minutes", 0)) * 60)
                art: dict[str, str] = {}
                if show_art and ep.thumb:
                    art = {"thumb": ep.thumb}
                mapped[ep_no] = (info, art)
        _tmdb_cache_set(_TMDB_SEASON_CACHE, season_key, mapped)
        cached_season = mapped

    return cached_season.get(episode_number, ({"title": episode_label}, {}))


def _tmdb_episode_cast(*, title: str, season_label: str, episode_label: str) -> list[TmdbCastMember]:
    if not _tmdb_enabled():
        return []
    show_episode_cast = _get_setting_bool("tmdb_show_episode_cast", default=False)
    if not show_episode_cast:
        return []

    title_key = (title or "").strip().casefold()
    tmdb_id = _tmdb_cache_get(_TMDB_ID_CACHE, title_key)
    if not tmdb_id:
        _tmdb_labels_and_art(title)
        tmdb_id = _tmdb_cache_get(_TMDB_ID_CACHE, title_key)
    if not tmdb_id:
        return []

    season_number = _extract_first_int(season_label)
    episode_number = _extract_first_int(episode_label)
    if season_number is None or episode_number is None:
        return []

    language = _get_setting_string("tmdb_language").strip() or "de-DE"
    cache_key = (tmdb_id, season_number, episode_number, language)
    cached = _tmdb_cache_get(_TMDB_EPISODE_CAST_CACHE, cache_key)
    if cached is not None:
        return list(cached)

    api_key = _get_setting_string("tmdb_api_key").strip()
    if not api_key:
        _tmdb_cache_set(_TMDB_EPISODE_CAST_CACHE, cache_key, [])
        return []

    log_requests = _get_setting_bool("tmdb_log_requests", default=False)
    log_responses = _get_setting_bool("tmdb_log_responses", default=False)
    log_fn = _tmdb_file_log if (log_requests or log_responses) else None
    try:
        cast = fetch_tv_episode_credits(
            tmdb_id=tmdb_id,
            season_number=season_number,
            episode_number=episode_number,
            api_key=api_key,
            language=language,
            log=log_fn,
            log_responses=log_responses,
        )
    except Exception as exc:
        if log_fn:
            log_fn(
                f"TMDB ERROR episode_credits_failed tmdb_id={tmdb_id} season={season_number} episode={episode_number} error={exc!r}"
            )
        cast = []
    _tmdb_cache_set(_TMDB_EPISODE_CAST_CACHE, cache_key, list(cast))
    return list(cast)


def _add_directory_item(
    handle: int,
    label: str,
    action: str,
    params: dict[str, str] | None = None,
    *,
    is_folder: bool = True,
    info_labels: dict[str, str] | None = None,
    art: dict[str, str] | None = None,
    cast: list[TmdbCastMember] | None = None,
) -> None:
    """Fuegt einen Eintrag (Folder oder Playable) in die Kodi-Liste ein."""
    query: dict[str, str] = {"action": action}
    if params:
        query.update(params)
    url = f"{sys.argv[0]}?{urlencode(query)}"
    item = xbmcgui.ListItem(label=label)
    if not is_folder:
        try:
            item.setProperty("IsPlayable", "true")
        except Exception:
            pass
    _apply_video_info(item, info_labels, cast)
    if art:
        setter = getattr(item, "setArt", None)
        if callable(setter):
            try:
                setter(art)
            except Exception:
                pass
    xbmcplugin.addDirectoryItem(handle=handle, url=url, listitem=item, isFolder=is_folder)


def _plugin_version(plugin: BasisPlugin) -> str:
    raw = getattr(plugin, "version", "0.0.0")
    text = str(raw or "").strip()
    return text or "0.0.0"


def _normalize_update_info_url(raw: str) -> str:
    value = str(raw or "").strip()
    default = "http://127.0.0.1:8080/repo/addons.xml"
    if not value:
        return default
    if value.endswith("/addons.xml"):
        return value
    return value.rstrip("/") + "/addons.xml"


UPDATE_CHANNEL_MAIN = 0
UPDATE_CHANNEL_NIGHTLY = 1
UPDATE_CHANNEL_CUSTOM = 2
AUTO_UPDATE_INTERVAL_SEC = 6 * 60 * 60
UPDATE_HTTP_TIMEOUT_SEC = 8
UPDATE_ADDON_ID = "plugin.video.viewit"


def _selected_update_channel() -> int:
    channel = _get_setting_int("update_channel", default=UPDATE_CHANNEL_MAIN)
    if channel not in {UPDATE_CHANNEL_MAIN, UPDATE_CHANNEL_NIGHTLY, UPDATE_CHANNEL_CUSTOM}:
        return UPDATE_CHANNEL_MAIN
    return channel


def _channel_label(channel: int) -> str:
    if channel == UPDATE_CHANNEL_NIGHTLY:
        return "Nightly"
    if channel == UPDATE_CHANNEL_CUSTOM:
        return "Custom"
    return "Main"


def _version_sort_key(version: str) -> tuple[int, ...]:
    base = str(version or "").split("-", 1)[0]
    parts = []
    for chunk in base.split("."):
        try:
            parts.append(int(chunk))
        except Exception:
            parts.append(0)
    while len(parts) < 4:
        parts.append(0)
    return tuple(parts[:4])


def _resolve_update_info_url() -> str:
    channel = _selected_update_channel()
    if channel == UPDATE_CHANNEL_NIGHTLY:
        raw = _get_setting_string("update_repo_url_nightly")
    elif channel == UPDATE_CHANNEL_CUSTOM:
        raw = _get_setting_string("update_repo_url")
    else:
        raw = _get_setting_string("update_repo_url_main")
    info_url = _normalize_update_info_url(raw)
    # Legacy-Setting beibehalten, damit bestehende Installationen und alte Builds weiterlaufen.
    _set_setting_string("update_repo_url", info_url)
    return info_url


def _read_text_url(url: str, *, timeout: int = UPDATE_HTTP_TIMEOUT_SEC) -> str:
    request = Request(url, headers={"User-Agent": "ViewIT/1.0"})
    response = None
    try:
        response = urlopen(request, timeout=timeout)
        data = response.read()
    finally:
        if response is not None:
            try:
                response.close()
            except Exception:
                pass
    return data.decode("utf-8", errors="replace")


def _extract_repo_addon_version(xml_text: str, addon_id: str = UPDATE_ADDON_ID) -> str:
    try:
        root = ET.fromstring(xml_text)
    except Exception:
        return "-"

    if root.tag == "addon":
        return str(root.attrib.get("version") or "-")

    for node in root.findall("addon"):
        if str(node.attrib.get("id") or "").strip() == addon_id:
            version = str(node.attrib.get("version") or "").strip()
            return version or "-"
    return "-"


def _fetch_repo_addon_version(info_url: str) -> str:
    url = _normalize_update_info_url(info_url)
    try:
        xml_text = _read_text_url(url)
    except URLError:
        return "-"
    except Exception:
        return "-"
    return _extract_repo_addon_version(xml_text)


def _read_binary_url(url: str, *, timeout: int = UPDATE_HTTP_TIMEOUT_SEC) -> bytes:
    request = Request(url, headers={"User-Agent": "ViewIT/1.0"})
    response = None
    try:
        response = urlopen(request, timeout=timeout)
        return response.read()
    finally:
        if response is not None:
            try:
                response.close()
            except Exception:
                pass


def _extract_repo_identity(info_url: str) -> tuple[str, str, str, str] | None:
    parsed = urlparse(str(info_url or "").strip())
    parts = [part for part in parsed.path.split("/") if part]
    try:
        raw_idx = parts.index("raw")
    except ValueError:
        return None
    # expected: /{owner}/{repo}/raw/branch/{branch}/addons.xml
    if raw_idx < 2 or (raw_idx + 2) >= len(parts):
        return None
    if parts[raw_idx + 1] != "branch":
        return None
    owner = parts[raw_idx - 2]
    repo = parts[raw_idx - 1]
    branch = parts[raw_idx + 2]
    scheme = parsed.scheme or "https"
    host = parsed.netloc
    if not owner or not repo or not branch or not host:
        return None
    return scheme, host, owner, repo + "|" + branch


def _fetch_repo_versions(info_url: str) -> list[str]:
    identity = _extract_repo_identity(info_url)
    if identity is None:
        one = _fetch_repo_addon_version(info_url)
        return [one] if one != "-" else []

    scheme, host, owner, repo_branch = identity
    repo, branch = repo_branch.split("|", 1)
    api_url = f"{scheme}://{host}/api/v1/repos/{owner}/{repo}/contents/{UPDATE_ADDON_ID}?ref={branch}"

    try:
        payload = _read_text_url(api_url)
        data = json.loads(payload)
    except Exception:
        one = _fetch_repo_addon_version(info_url)
        return [one] if one != "-" else []

    versions: list[str] = []
    if isinstance(data, list):
        for entry in data:
            if not isinstance(entry, dict):
                continue
            name = str(entry.get("name") or "")
            match = re.match(rf"^{re.escape(UPDATE_ADDON_ID)}-(.+)\.zip$", name)
            if not match:
                continue
            version = match.group(1).strip()
            if version:
                versions.append(version)
    unique = sorted(set(versions), key=_version_sort_key, reverse=True)
    return unique


def _extract_changelog_section(changelog_text: str, version: str) -> str:
    lines = changelog_text.splitlines()
    wanted = (version or "").strip()
    if not wanted:
        return "\n".join(lines[:120]).strip()

    start = -1
    for idx, line in enumerate(lines):
        if line.startswith("## ") and wanted in line:
            start = idx
            break
    if start < 0:
        return f"Kein Changelog-Abschnitt fuer Version {wanted} gefunden."

    end = len(lines)
    for idx in range(start + 1, len(lines)):
        if lines[idx].startswith("## "):
            end = idx
            break
    return "\n".join(lines[start:end]).strip()


def _fetch_changelog_for_channel(channel: int, version: str) -> str:
    if channel == UPDATE_CHANNEL_MAIN:
        url = "https://gitea.it-drui.de/viewit/ViewIT/raw/branch/main/CHANGELOG.md"
    else:
        url = "https://gitea.it-drui.de/viewit/ViewIT/raw/branch/nightly/CHANGELOG-NIGHTLY.md"
    try:
        text = _read_text_url(url)
    except Exception:
        return "Changelog konnte nicht geladen werden."
    return _extract_changelog_section(text, version)


def _install_addon_version(info_url: str, version: str) -> bool:
    base = info_url[: -len("/addons.xml")] if info_url.endswith("/addons.xml") else info_url.rstrip("/")
    zip_url = f"{base}/{UPDATE_ADDON_ID}/{UPDATE_ADDON_ID}-{version}.zip"
    try:
        zip_bytes = _read_binary_url(zip_url)
    except Exception as exc:
        _log(f"Download fehlgeschlagen ({zip_url}): {exc}", xbmc.LOGWARNING)
        return False

    if xbmcvfs is None:
        return False

    addons_root = xbmcvfs.translatePath("special://home/addons")
    addons_root_real = os.path.realpath(addons_root)
    try:
        with zipfile.ZipFile(io.BytesIO(zip_bytes)) as archive:
            for member in archive.infolist():
                name = str(member.filename or "")
                if not name or name.endswith("/"):
                    continue
                target = os.path.realpath(os.path.join(addons_root, name))
                if not target.startswith(addons_root_real + os.sep):
                    continue
                os.makedirs(os.path.dirname(target), exist_ok=True)
                with archive.open(member, "r") as src, open(target, "wb") as dst:
                    dst.write(src.read())
    except Exception as exc:
        _log(f"Entpacken fehlgeschlagen: {exc}", xbmc.LOGWARNING)
        return False

    builtin = getattr(xbmc, "executebuiltin", None)
    if callable(builtin):
        builtin("UpdateLocalAddons")
    return True


def _sync_update_channel_status_settings() -> None:
    channel = _selected_update_channel()
    channel_label = _channel_label(channel)

    selected_info_url = _resolve_update_info_url()
    main_info_url = _normalize_update_info_url(_get_setting_string("update_repo_url_main"))
    nightly_info_url = _normalize_update_info_url(_get_setting_string("update_repo_url_nightly"))

    available_main = _fetch_repo_addon_version(main_info_url)
    available_nightly = _fetch_repo_addon_version(nightly_info_url)
    if channel == UPDATE_CHANNEL_MAIN:
        available_selected = available_main
    elif channel == UPDATE_CHANNEL_NIGHTLY:
        available_selected = available_nightly
    else:
        available_selected = _fetch_repo_addon_version(selected_info_url)

    _set_setting_string("update_active_channel", channel_label)
    _set_setting_string("update_active_repo_url", selected_info_url)
    _set_setting_string("update_available_main", available_main)
    _set_setting_string("update_available_nightly", available_nightly)
    _set_setting_string("update_available_selected", available_selected)


def _repo_addon_xml_path() -> str:
    if xbmcvfs is None:
        return ""
    try:
        return xbmcvfs.translatePath("special://home/addons/repository.viewit/addon.xml")
    except Exception:
        return ""


def _update_repository_source(info_url: str) -> bool:
    path = _repo_addon_xml_path()
    if not path:
        return False
    if not os.path.exists(path):
        return False
    try:
        tree = ET.parse(path)
        root = tree.getroot()
        dir_node = root.find(".//dir")
        if dir_node is None:
            return False
        info = dir_node.find("info")
        checksum = dir_node.find("checksum")
        datadir = dir_node.find("datadir")
        if info is None or checksum is None or datadir is None:
            return False
        base = info_url[: -len("/addons.xml")] if info_url.endswith("/addons.xml") else info_url.rstrip("/")
        info.text = info_url
        checksum.text = f"{base}/addons.xml.md5"
        datadir.text = f"{base}/"
        tree.write(path, encoding="utf-8", xml_declaration=True)
        return True
    except Exception as exc:
        _log(f"Repository-URL konnte nicht gesetzt werden: {exc}", xbmc.LOGWARNING)
        return False


def _settings_key_for_plugin(name: str) -> str:
    safe = re.sub(r"[^a-z0-9]+", "_", (name or "").strip().casefold()).strip("_")
    return f"update_version_{safe}" if safe else "update_version_unknown"


def _sync_update_version_settings() -> None:
    addon = _get_addon()
    addon_version = "0.0.0"
    if addon is not None:
        try:
            addon_version = str(addon.getAddonInfo("version") or "0.0.0")
        except Exception:
            addon_version = "0.0.0"
    _set_setting_string("update_version_addon", addon_version)
    _set_setting_string("update_installed_version", addon_version)

    versions = {
        "update_version_serienstream": "-",
        "update_version_aniworld": "-",
        "update_version_einschalten": "-",
        "update_version_topstreamfilm": "-",
        "update_version_filmpalast": "-",
        "update_version_doku_streams": "-",
    }
    for plugin in _discover_plugins().values():
        key = _settings_key_for_plugin(str(plugin.name))
        if key in versions:
            versions[key] = _plugin_version(plugin)
    for key, value in versions.items():
        _set_setting_string(key, value)

    _sync_update_channel_status_settings()


def _show_root_menu() -> None:
    handle = _get_handle()
    _log("Root-Menue wird angezeigt.")
    _add_directory_item(handle, "Suche in allen Quellen", "search")

    plugins = _discover_plugins()
    for plugin_name in sorted(plugins.keys(), key=lambda value: value.casefold()):
        _add_directory_item(handle, plugin_name, "plugin_menu", {"plugin": plugin_name}, is_folder=True)

    _add_directory_item(handle, "Einstellungen", "settings")
    xbmcplugin.endOfDirectory(handle)


def _show_plugin_menu(plugin_name: str) -> None:
    handle = _get_handle()
    plugin_name = (plugin_name or "").strip()
    plugin = _discover_plugins().get(plugin_name)
    if not plugin:
        xbmcgui.Dialog().notification("Quelle", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    xbmcplugin.setPluginCategory(handle, plugin_name)

    _add_directory_item(handle, "Suche", "plugin_search", {"plugin": plugin_name}, is_folder=True)

    if _plugin_has_capability(plugin, "new_titles") or _plugin_has_capability(plugin, "latest_episodes"):
        _add_directory_item(handle, LATEST_MENU_LABEL, "latest_titles", {"plugin": plugin_name, "page": "1"}, is_folder=True)

    if _plugin_has_capability(plugin, "genres"):
        _add_directory_item(handle, "Genres", "genres", {"plugin": plugin_name}, is_folder=True)

    if _plugin_has_capability(plugin, "alpha"):
        _add_directory_item(handle, "A-Z", "alpha_index", {"plugin": plugin_name}, is_folder=True)

    if _plugin_has_capability(plugin, "series_catalog"):
        _add_directory_item(handle, "Serien", "series_catalog", {"plugin": plugin_name, "page": "1"}, is_folder=True)

    if _plugin_has_capability(plugin, "popular_series"):
        _add_directory_item(handle, POPULAR_MENU_LABEL, "popular", {"plugin": plugin_name, "page": "1"}, is_folder=True)

    xbmcplugin.endOfDirectory(handle)


def _show_plugin_search(plugin_name: str) -> None:
    plugin_name = (plugin_name or "").strip()
    plugin = _discover_plugins().get(plugin_name)
    if not plugin:
        xbmcgui.Dialog().notification("Suche", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        _show_root_menu()
        return

    _log(f"Plugin-Suche gestartet: {plugin_name}")
    dialog = xbmcgui.Dialog()
    query = dialog.input(f"{plugin_name}: Titel eingeben", type=xbmcgui.INPUT_ALPHANUM).strip()
    if not query:
        _log("Plugin-Suche abgebrochen (leere Eingabe).", xbmc.LOGDEBUG)
        _show_plugin_menu(plugin_name)
        return
    _log(f"Plugin-Suchbegriff ({plugin_name}): {query}", xbmc.LOGDEBUG)
    _show_plugin_search_results(plugin_name, query)


def _show_plugin_search_results(plugin_name: str, query: str) -> None:
    handle = _get_handle()
    plugin_name = (plugin_name or "").strip()
    query = (query or "").strip()
    plugin = _discover_plugins().get(plugin_name)
    if not plugin:
        xbmcgui.Dialog().notification("Suche", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    xbmcplugin.setPluginCategory(handle, f"{plugin_name}: {query}")
    _set_content(handle, "movies" if plugin_name.casefold() == "einschalten" else "tvshows")
    _log(f"Suche nach Titeln (Plugin={plugin_name}): {query}")

    list_items: list[dict[str, object]] = []
    canceled = False
    try:
        with _progress_dialog("Suche laeuft", f"{plugin_name} (1/1) startet...") as progress:
            canceled = progress(5, f"{plugin_name} (1/1) Suche...")
            plugin_progress = lambda msg="", pct=None: progress(  # noqa: E731 - kompakte Callback-Bruecke
                max(5, min(95, int(pct))) if pct is not None else 20,
                f"{plugin_name} (1/1) {str(msg or 'Suche...').strip()}",
            )
            search_coro = _call_plugin_search(plugin, query, progress_callback=plugin_progress)
            try:
                results = _run_async(search_coro)
            except Exception:
                if inspect.iscoroutine(search_coro):
                    try:
                        search_coro.close()
                    except Exception:
                        pass
                raise
            results = _clean_search_titles([str(t).strip() for t in (results or []) if t and str(t).strip()])
            results.sort(key=lambda value: value.casefold())

            use_source, show_tmdb, prefer_source = _metadata_policy(
                plugin_name, plugin, allow_tmdb=_tmdb_enabled()
            )
            plugin_meta = _collect_plugin_metadata(plugin, results) if use_source else {}
            tmdb_prefetched: dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]] = {}
            show_plot = _get_setting_bool("tmdb_show_plot", default=True)
            show_art = _get_setting_bool("tmdb_show_art", default=True)
            tmdb_titles = list(results) if show_tmdb else []
            if show_tmdb and prefer_source and use_source:
                tmdb_titles = []
                for title in results:
                    meta = plugin_meta.get(title)
                    meta_labels = meta[0] if meta else {}
                    meta_art = meta[1] if meta else {}
                    if _needs_tmdb(meta_labels, meta_art, want_plot=show_plot, want_art=show_art):
                        tmdb_titles.append(title)
            if show_tmdb and tmdb_titles and not canceled:
                canceled = progress(35, f"{plugin_name} (1/1) Metadaten...")
                tmdb_prefetched = _tmdb_labels_and_art_bulk(list(tmdb_titles))

            total_results = max(1, len(results))
            for index, title in enumerate(results, start=1):
                if canceled:
                    break
                if index == 1 or index == total_results or (index % 10 == 0):
                    pct = 35 + int((index / float(total_results)) * 60)
                    canceled = progress(pct, f"{plugin_name} (1/1) aufbereiten {index}/{total_results}")
                tmdb_info, tmdb_art, tmdb_cast = tmdb_prefetched.get(title, ({}, {}, []))
                meta = plugin_meta.get(title)
                info_labels, art, cast = _merge_metadata(title, tmdb_info, tmdb_art, tmdb_cast, meta)
                info_labels.setdefault("mediatype", "tvshow")
                if (info_labels.get("mediatype") or "").strip().casefold() == "tvshow":
                    info_labels.setdefault("tvshowtitle", title)
                playstate = _title_playstate(plugin_name, title)
                merged_info = _apply_playstate_to_info(dict(info_labels), playstate)
                display_label = _label_with_duration(title, info_labels)
                display_label = _label_with_playstate(display_label, playstate)
                direct_play = bool(plugin_name.casefold() == "einschalten" and _get_setting_bool("einschalten_enable_playback", default=False))
                extra_params = _series_url_params(plugin, title)
                list_items.append(
                    {
                        "label": display_label,
                        "action": "play_movie" if direct_play else "seasons",
                        "params": {"plugin": plugin_name, "title": title, **extra_params},
                        "is_folder": (not direct_play),
                        "info_labels": merged_info,
                        "art": art,
                        "cast": cast,
                    }
                )
    except Exception as exc:
        _log(f"Suche fehlgeschlagen ({plugin_name}): {exc}", xbmc.LOGWARNING)
        xbmcgui.Dialog().notification("Suche", "Suche fehlgeschlagen.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    if canceled and not list_items:
        xbmcgui.Dialog().notification("Suche", "Suche abgebrochen.", xbmcgui.NOTIFICATION_INFO, 2500)
        xbmcplugin.endOfDirectory(handle)
        return

    for item in list_items:
        _add_directory_item(
            handle,
            str(item["label"]),
            str(item["action"]),
            dict(item["params"]),
            is_folder=bool(item["is_folder"]),
            info_labels=item["info_labels"],
            art=item["art"],
            cast=item["cast"],
        )
    xbmcplugin.endOfDirectory(handle)


def _import_plugin_module(path: Path) -> ModuleType:
    spec = importlib.util.spec_from_file_location(path.stem, path)
    if spec is None or spec.loader is None:
        raise ImportError(f"Modul-Spezifikation fuer {path.name} fehlt.")
    module = importlib.util.module_from_spec(spec)
    sys.modules[spec.name] = module
    try:
        spec.loader.exec_module(module)
    except Exception:
        sys.modules.pop(spec.name, None)
        raise
    return module


def _discover_plugins() -> dict[str, BasisPlugin]:
    """Laedt alle Plugins aus `plugins/*.py` und cached Instanzen im RAM."""
    global _PLUGIN_CACHE
    if _PLUGIN_CACHE is not None:
        return _PLUGIN_CACHE
    # Plugins werden dynamisch aus `plugins/*.py` geladen, damit Integrationen getrennt
    # entwickelt und bei Fehlern isoliert deaktiviert werden koennen.
    plugins: dict[str, BasisPlugin] = {}
    if not PLUGIN_DIR.exists():
        _PLUGIN_CACHE = plugins
        return plugins
    for file_path in sorted(PLUGIN_DIR.glob("*.py")):
        if file_path.name.startswith("_"):
            continue
        try:
            module = _import_plugin_module(file_path)
        except Exception as exc:
            xbmc.log(f"Plugin-Datei {file_path.name} konnte nicht geladen werden: {exc}", xbmc.LOGWARNING)
            continue
        preferred = getattr(module, "Plugin", None)
        if inspect.isclass(preferred) and issubclass(preferred, BasisPlugin) and preferred is not BasisPlugin:
            plugin_classes = [preferred]
        else:
            plugin_classes = [
                obj
                for obj in module.__dict__.values()
                if inspect.isclass(obj) and issubclass(obj, BasisPlugin) and obj is not BasisPlugin
            ]
            plugin_classes.sort(key=lambda cls: cls.__name__.casefold())
        for cls in plugin_classes:
            try:
                instance = cls()
            except Exception as exc:
                xbmc.log(f"Plugin {cls.__name__} konnte nicht geladen werden: {exc}", xbmc.LOGWARNING)
                continue
            if getattr(instance, "is_available", True) is False:
                reason = getattr(instance, "unavailable_reason", "Nicht verfuegbar.")
                xbmc.log(f"Plugin {cls.__name__} deaktiviert: {reason}", xbmc.LOGWARNING)
                continue
            plugin_name = str(getattr(instance, "name", "") or "").strip()
            if not plugin_name:
                xbmc.log(
                    f"Plugin {cls.__name__} wurde ohne Name registriert und wird uebersprungen.",
                    xbmc.LOGWARNING,
                )
                continue
            if plugin_name in plugins:
                xbmc.log(
                    f"Plugin-Name doppelt ({plugin_name}), {cls.__name__} wird uebersprungen.",
                    xbmc.LOGWARNING,
                )
                continue
            plugins[plugin_name] = instance
    plugins = dict(sorted(plugins.items(), key=lambda item: item[0].casefold()))
    _PLUGIN_CACHE = plugins
    return plugins


def _run_async(coro):
    """Fuehrt eine Coroutine aus, auch wenn Kodi bereits einen Event-Loop hat."""
    _ensure_windows_selector_policy()

    def _run_with_asyncio_run():
        return asyncio.run(coro)

    try:
        running_loop = asyncio.get_running_loop()
    except RuntimeError:
        running_loop = None

    if running_loop and running_loop.is_running():
        result_box: dict[str, object] = {}
        error_box: dict[str, BaseException] = {}

        def _worker() -> None:
            try:
                result_box["value"] = _run_with_asyncio_run()
            except BaseException as exc:  # pragma: no cover - defensive
                error_box["error"] = exc

        worker = threading.Thread(target=_worker, name="viewit-async-runner")
        worker.start()
        worker.join()
        if "error" in error_box:
            raise error_box["error"]
        return result_box.get("value")

    return _run_with_asyncio_run()


def _series_url_params(plugin: BasisPlugin, title: str) -> dict[str, str]:
    getter = getattr(plugin, "series_url_for_title", None)
    if not callable(getter):
        return {}
    try:
        series_url = str(getter(title) or "").strip()
    except Exception:
        return {}
    return {"series_url": series_url} if series_url else {}


def _clean_search_titles(values: list[str]) -> list[str]:
    """Filtert offensichtliche Platzhalter und dedupliziert Treffer."""
    blocked = {
        "stream",
        "streams",
        "film",
        "movie",
        "play",
        "details",
        "details/play",
    }
    cleaned: list[str] = []
    seen: set[str] = set()
    for raw in values:
        title = (raw or "").strip()
        if not title:
            continue
        key = title.casefold()
        if key in blocked:
            continue
        if key in seen:
            continue
        seen.add(key)
        cleaned.append(title)
    return cleaned


def _show_search() -> None:
    _log("Suche gestartet.")
    dialog = xbmcgui.Dialog()
    query = dialog.input("Titel eingeben", type=xbmcgui.INPUT_ALPHANUM).strip()
    if not query:
        _log("Suche abgebrochen (leere Eingabe).", xbmc.LOGDEBUG)
        _show_root_menu()
        return
    _log(f"Suchbegriff: {query}", xbmc.LOGDEBUG)
    _show_search_results(query)


def _show_search_results(query: str) -> None:
    handle = _get_handle()
    _log(f"Suche nach Titeln: {query}")
    _set_content(handle, "tvshows")
    plugins = _discover_plugins()
    if not plugins:
        xbmcgui.Dialog().notification("Suche", "Keine Quellen gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    list_items: list[dict[str, object]] = []
    canceled = False
    plugin_entries = list(plugins.items())
    total_plugins = max(1, len(plugin_entries))
    with _progress_dialog("Suche laeuft", "Suche startet...") as progress:
        for plugin_index, (plugin_name, plugin) in enumerate(plugin_entries, start=1):
            range_start = int(((plugin_index - 1) / float(total_plugins)) * 100)
            range_end = int((plugin_index / float(total_plugins)) * 100)
            canceled = progress(range_start, f"{plugin_name} ({plugin_index}/{total_plugins}) Suche...")
            if canceled:
                break
            plugin_progress = lambda msg="", pct=None: progress(  # noqa: E731 - kompakte Callback-Bruecke
                max(range_start, min(range_end, int(pct))) if pct is not None else range_start + 20,
                f"{plugin_name} ({plugin_index}/{total_plugins}) {str(msg or 'Suche...').strip()}",
            )
            search_coro = _call_plugin_search(plugin, query, progress_callback=plugin_progress)
            try:
                results = _run_async(search_coro)
            except Exception as exc:
                if inspect.iscoroutine(search_coro):
                    try:
                        search_coro.close()
                    except Exception:
                        pass
                _log(f"Suche fehlgeschlagen ({plugin_name}): {exc}", xbmc.LOGWARNING)
                continue
            results = _clean_search_titles([str(t).strip() for t in (results or []) if t and str(t).strip()])
            _log(f"Treffer ({plugin_name}): {len(results)}", xbmc.LOGDEBUG)
            use_source, show_tmdb, prefer_source = _metadata_policy(
                plugin_name, plugin, allow_tmdb=_tmdb_enabled()
            )
            plugin_meta = _collect_plugin_metadata(plugin, results) if use_source else {}
            tmdb_prefetched: dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]] = {}
            show_plot = _get_setting_bool("tmdb_show_plot", default=True)
            show_art = _get_setting_bool("tmdb_show_art", default=True)
            tmdb_titles = list(results) if show_tmdb else []
            if show_tmdb and prefer_source and use_source:
                tmdb_titles = []
                for title in results:
                    meta = plugin_meta.get(title)
                    meta_labels = meta[0] if meta else {}
                    meta_art = meta[1] if meta else {}
                    if _needs_tmdb(meta_labels, meta_art, want_plot=show_plot, want_art=show_art):
                        tmdb_titles.append(title)
            if show_tmdb and tmdb_titles:
                canceled = progress(
                    range_start + int((range_end - range_start) * 0.35),
                    f"{plugin_name} ({plugin_index}/{total_plugins}) Metadaten...",
                )
                if canceled:
                    break
                tmdb_prefetched = _tmdb_labels_and_art_bulk(list(tmdb_titles))
            total_results = max(1, len(results))
            for title_index, title in enumerate(results, start=1):
                if title_index == 1 or title_index == total_results or (title_index % 10 == 0):
                    canceled = progress(
                        range_start + int((range_end - range_start) * (0.35 + 0.65 * (title_index / float(total_results)))),
                        f"{plugin_name} ({plugin_index}/{total_plugins}) aufbereiten {title_index}/{total_results}",
                    )
                    if canceled:
                        break
                tmdb_info, tmdb_art, tmdb_cast = tmdb_prefetched.get(title, ({}, {}, []))
                meta = plugin_meta.get(title)
                info_labels, art, cast = _merge_metadata(title, tmdb_info, tmdb_art, tmdb_cast, meta)
                info_labels.setdefault("mediatype", "tvshow")
                if (info_labels.get("mediatype") or "").strip().casefold() == "tvshow":
                    info_labels.setdefault("tvshowtitle", title)
                playstate = _title_playstate(plugin_name, title)
                merged_info = _apply_playstate_to_info(dict(info_labels), playstate)
                label = _label_with_duration(title, info_labels)
                label = _label_with_playstate(label, playstate)
                label = f"{label} [{plugin_name}]"
                direct_play = bool(
                    plugin_name.casefold() == "einschalten" and _get_setting_bool("einschalten_enable_playback", default=False)
                )
                extra_params = _series_url_params(plugin, title)
                list_items.append(
                    {
                        "label": label,
                        "action": "play_movie" if direct_play else "seasons",
                        "params": {"plugin": plugin_name, "title": title, **extra_params},
                        "is_folder": (not direct_play),
                        "info_labels": merged_info,
                        "art": art,
                        "cast": cast,
                    }
                )
            if canceled:
                break
        if not canceled:
            progress(100, "Suche fertig")
    if canceled and not list_items:
        xbmcgui.Dialog().notification("Suche", "Suche abgebrochen.", xbmcgui.NOTIFICATION_INFO, 2500)
        xbmcplugin.endOfDirectory(handle)
        return

    for item in list_items:
        _add_directory_item(
            handle,
            str(item["label"]),
            str(item["action"]),
            dict(item["params"]),
            is_folder=bool(item["is_folder"]),
            info_labels=item["info_labels"],
            art=item["art"],
            cast=item["cast"],
        )
    xbmcplugin.endOfDirectory(handle)


def _movie_seed_for_title(plugin: BasisPlugin, title: str, seasons: list[str]) -> tuple[str, str] | None:
    """Ermittelt ein Film-Seed (Season/Episode), um direkt Provider anzeigen zu können."""
    if not seasons or len(seasons) != 1:
        return None
    season = str(seasons[0] or "").strip()
    if not season:
        return None
    try:
        episodes = [str(value or "").strip() for value in (plugin.episodes_for(title, season) or [])]
    except Exception:
        return None
    episodes = [value for value in episodes if value]
    if len(episodes) != 1:
        return None
    episode = episodes[0]
    season_key = season.casefold()
    episode_key = episode.casefold()
    title_key = (title or "").strip().casefold()
    generic_seasons = {"film", "movie", "stream"}
    generic_episodes = {"stream", "film", "play", title_key}
    if season_key in generic_seasons and episode_key in generic_episodes:
        return (season, episode)
    return None


def _show_movie_streams(
    plugin_name: str,
    title: str,
    season: str,
    episode: str,
    *,
    series_url: str = "",
) -> None:
    handle = _get_handle()
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("Streams", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    if series_url:
        remember_series_url = getattr(plugin, "remember_series_url", None)
        if callable(remember_series_url):
            try:
                remember_series_url(title, series_url)
            except Exception:
                pass

    xbmcplugin.setPluginCategory(handle, f"{title} - Streams")
    _set_content(handle, "videos")

    base_params = {"plugin": plugin_name, "title": title, "season": season, "episode": episode}
    if series_url:
        base_params["series_url"] = series_url

    # Hoster bleiben im Auswahldialog der Wiedergabe (wie bisher).
    _add_directory_item(
        handle,
        title,
        "play_episode",
        dict(base_params),
        is_folder=False,
        info_labels={"title": title, "mediatype": "movie"},
    )
    xbmcplugin.endOfDirectory(handle)


def _show_seasons(plugin_name: str, title: str, series_url: str = "") -> None:
    handle = _get_handle()
    _log(f"Staffeln laden: {plugin_name} / {title}")
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("Staffeln", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    if series_url:
        remember_series_url = getattr(plugin, "remember_series_url", None)
        if callable(remember_series_url):
            try:
                remember_series_url(title, series_url)
            except Exception:
                pass

    use_source, show_tmdb, _prefer_source = _metadata_policy(
        plugin_name, plugin, allow_tmdb=_tmdb_enabled()
    )
    title_info_labels: dict[str, str] | None = None
    title_art: dict[str, str] | None = None
    title_cast: list[TmdbCastMember] | None = None
    meta_getter = getattr(plugin, "metadata_for", None)
    if use_source and callable(meta_getter):
        try:
            with _busy_dialog("Metadaten werden geladen..."):
                meta_labels, meta_art, meta_cast = meta_getter(title)
            if isinstance(meta_labels, dict):
                title_info_labels = {str(k): str(v) for k, v in meta_labels.items() if v}
            if isinstance(meta_art, dict):
                title_art = {str(k): str(v) for k, v in meta_art.items() if v}
            if isinstance(meta_cast, list):
                # type: ignore[assignment] - plugins may return cast in their own shape; best-effort only
                title_cast = meta_cast  # noqa: PGH003
        except Exception:
            pass

    try:
        seasons = plugin.seasons_for(title)
    except Exception as exc:
        _log(f"Staffeln laden fehlgeschlagen ({plugin_name}): {exc}", xbmc.LOGWARNING)
        xbmcgui.Dialog().notification("Staffeln", "Staffeln konnten nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    movie_seed = _movie_seed_for_title(plugin, title, seasons)
    if movie_seed is not None:
        # Dieser Action-Pfad wurde als Verzeichnis aufgerufen. Ohne endOfDirectory()
        # bleibt Kodi im Busy-Zustand, auch wenn wir direkt in die Wiedergabe springen.
        try:
            xbmcplugin.endOfDirectory(handle, succeeded=False)
        except Exception:
            try:
                xbmcplugin.endOfDirectory(handle)
            except Exception:
                pass
        _play_episode(
            plugin_name,
            title,
            movie_seed[0],
            movie_seed[1],
            series_url=series_url,
        )
        return

    count = len(seasons)
    suffix = "Staffel" if count == 1 else "Staffeln"
    xbmcplugin.setPluginCategory(handle, f"{title} ({count} {suffix})")
    _set_content(handle, "seasons")
    # Staffel-Metadaten (Plot/Poster) optional via TMDB.
    if show_tmdb:
        _tmdb_labels_and_art(title)
    api_key = _get_setting_string("tmdb_api_key").strip() if show_tmdb else ""
    language = _get_setting_string("tmdb_language").strip() or "de-DE"
    show_plot = _get_setting_bool("tmdb_show_plot", default=True)
    show_art = _get_setting_bool("tmdb_show_art", default=True)
    flags = f"p{int(show_plot)}a{int(show_art)}"
    log_requests = _get_setting_bool("tmdb_log_requests", default=False)
    log_responses = _get_setting_bool("tmdb_log_responses", default=False)
    log_fn = _tmdb_file_log if (log_requests or log_responses) else None
    for season in seasons:
        info_labels: dict[str, str] | None = None
        art: dict[str, str] | None = None
        season_number = _extract_first_int(season)
        if api_key and season_number is not None:
            cache_key = (_tmdb_cache_get(_TMDB_ID_CACHE, (title or "").strip().casefold(), 0), season_number, language, flags)
            cached = _tmdb_cache_get(_TMDB_SEASON_SUMMARY_CACHE, cache_key)
            if cached is None and cache_key[0]:
                try:
                    meta = lookup_tv_season_summary(
                        tmdb_id=cache_key[0],
                        season_number=season_number,
                        api_key=api_key,
                        language=language,
                        log=log_fn,
                        log_responses=log_responses,
                    )
                except Exception as exc:
                    if log_fn:
                        log_fn(f"TMDB ERROR season_summary_failed tmdb_id={cache_key[0]} season={season_number} error={exc!r}")
                    meta = None
                labels = {"title": season}
                art_map: dict[str, str] = {}
                if meta:
                    if show_plot and meta.plot:
                        labels["plot"] = meta.plot
                    if show_art and meta.poster:
                        art_map = {"thumb": meta.poster, "poster": meta.poster}
                cached = (labels, art_map)
                _tmdb_cache_set(_TMDB_SEASON_SUMMARY_CACHE, cache_key, cached)
            if cached is not None:
                info_labels, art = cached
        merged_labels = dict(info_labels or {})
        if title_info_labels:
            merged_labels = dict(title_info_labels)
            merged_labels.update(dict(info_labels or {}))
        season_state = _season_playstate(plugin_name, title, season)
        merged_labels = _apply_playstate_to_info(dict(merged_labels), season_state)
        merged_art: dict[str, str] | None = art
        if title_art:
            merged_art = dict(title_art)
            if isinstance(art, dict):
                merged_art.update({k: str(v) for k, v in art.items() if v})

        _add_directory_item(
            handle,
            _label_with_playstate(season, season_state),
            "episodes",
            {"plugin": plugin_name, "title": title, "season": season, "series_url": series_url},
            is_folder=True,
            info_labels=merged_labels or None,
            art=merged_art,
            cast=title_cast,
        )
    xbmcplugin.endOfDirectory(handle)


def _show_episodes(plugin_name: str, title: str, season: str, series_url: str = "") -> None:
    handle = _get_handle()
    _log(f"Episoden laden: {plugin_name} / {title} / {season}")
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("Episoden", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    if series_url:
        remember_series_url = getattr(plugin, "remember_series_url", None)
        if callable(remember_series_url):
            try:
                remember_series_url(title, series_url)
            except Exception:
                pass
    season_number = _extract_first_int(season)
    if season_number is not None:
        xbmcplugin.setPluginCategory(handle, f"{title} - Staffel {season_number}")
    else:
        xbmcplugin.setPluginCategory(handle, f"{title} - {season}")
    _set_content(handle, "episodes")

    episodes = list(plugin.episodes_for(title, season))
    if episodes:
        episode_url_getter = getattr(plugin, "episode_url_for", None)
        supports_direct_episode_url = callable(getattr(plugin, "stream_link_for_url", None))
        use_source, show_tmdb, _prefer_source = _metadata_policy(
            plugin_name, plugin, allow_tmdb=_tmdb_enabled()
        )
        show_info: dict[str, str] = {}
        show_art: dict[str, str] = {}
        show_cast: list[TmdbCastMember] | None = None
        if show_tmdb:
            show_info, show_art, show_cast = _tmdb_labels_and_art(title)
        elif use_source:
            meta_getter = getattr(plugin, "metadata_for", None)
            if callable(meta_getter):
                try:
                    with _busy_dialog("Episoden-Metadaten werden geladen..."):
                        meta_labels, meta_art, meta_cast = meta_getter(title)
                    if isinstance(meta_labels, dict):
                        show_info = {str(k): str(v) for k, v in meta_labels.items() if v}
                    if isinstance(meta_art, dict):
                        show_art = {str(k): str(v) for k, v in meta_art.items() if v}
                    if isinstance(meta_cast, list):
                        show_cast = meta_cast  # noqa: PGH003
                except Exception:
                    pass

        show_fanart = (show_art or {}).get("fanart") if isinstance(show_art, dict) else ""
        show_poster = (show_art or {}).get("poster") if isinstance(show_art, dict) else ""
        with _busy_dialog("Episoden werden aufbereitet..."):
            for episode in episodes:
                if show_tmdb:
                    info_labels, art = _tmdb_episode_labels_and_art(
                        title=title, season_label=season, episode_label=episode
                    )
                    episode_cast = _tmdb_episode_cast(title=title, season_label=season, episode_label=episode)
                else:
                    info_labels, art, episode_cast = {}, {}, []
                merged_info = dict(show_info or {})
                merged_info.update(dict(info_labels or {}))
                merged_art: dict[str, str] = {}
                if isinstance(show_art, dict):
                    merged_art.update({k: str(v) for k, v in show_art.items() if v})
                if isinstance(art, dict):
                    merged_art.update({k: str(v) for k, v in art.items() if v})

                # Kodi Info-Dialog für Episoden hängt oft an diesen Feldern.
                season_number = _extract_first_int(season) or 0
                episode_number = _extract_first_int(episode) or 0
                merged_info.setdefault("mediatype", "episode")
                merged_info.setdefault("tvshowtitle", title)
                if season_number:
                    merged_info.setdefault("season", str(season_number))
                if episode_number:
                    merged_info.setdefault("episode", str(episode_number))

                # Episode-Items ohne eigenes Artwork: Fanart/Poster vom Titel durchreichen.
                if show_fanart:
                    merged_art.setdefault("fanart", show_fanart)
                    merged_art.setdefault("landscape", show_fanart)
                if show_poster:
                    merged_art.setdefault("poster", show_poster)

                key = _playstate_key(plugin_name=plugin_name, title=title, season=season, episode=episode)
                merged_info = _apply_playstate_to_info(merged_info, _get_playstate(key))

                display_label = episode
                play_params = {
                    "plugin": plugin_name,
                    "title": title,
                    "season": season,
                    "episode": episode,
                    "series_url": series_url,
                }
                if supports_direct_episode_url and callable(episode_url_getter):
                    try:
                        episode_url = str(episode_url_getter(title, season, episode) or "").strip()
                    except Exception:
                        episode_url = ""
                    if episode_url:
                        play_params["url"] = episode_url
                _add_directory_item(
                    handle,
                    display_label,
                    "play_episode",
                    play_params,
                    is_folder=False,
                    info_labels=merged_info,
                    art=merged_art,
                    cast=episode_cast or show_cast,
                )
    xbmcplugin.endOfDirectory(handle)


def _show_genre_sources() -> None:
    handle = _get_handle()
    _log("Genre-Quellen laden.")
    plugins = _discover_plugins()
    sources: list[tuple[str, BasisPlugin]] = []
    for plugin_name, plugin in plugins.items():
        if plugin.__class__.genres is BasisPlugin.genres:
            continue
        if plugin.__class__.titles_for_genre is BasisPlugin.titles_for_genre:
            continue
        sources.append((plugin_name, plugin))

    if not sources:
        xbmcgui.Dialog().notification("Genres", "Keine Quellen mit Genres gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    for plugin_name, plugin in sources:
        _add_directory_item(
            handle,
            f"Genres [{plugin_name}]",
            "genres",
            {"plugin": plugin_name},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)


def _show_genres(plugin_name: str) -> None:
    handle = _get_handle()
    _log(f"Genres laden: {plugin_name}")
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("Genres", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    try:
        genres = _run_with_progress(
            "Genres",
            f"{plugin_name}: Genres werden geladen...",
            lambda: plugin.genres(),
        )
    except Exception as exc:
        _log(f"Genres konnten nicht geladen werden ({plugin_name}): {exc}", xbmc.LOGWARNING)
        xbmcgui.Dialog().notification("Genres", "Genres konnten nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    for genre in genres:
        # Wenn Plugin Paging unterstützt, direkt paginierte Titelliste öffnen.
        paging_getter = getattr(plugin, "titles_for_genre_page", None)
        if callable(paging_getter):
            _add_directory_item(
                handle,
                genre,
                "genre_titles_page",
                {"plugin": plugin_name, "genre": genre, "page": "1"},
                is_folder=True,
            )
            continue
        _add_directory_item(
            handle,
            genre,
            "genre_series",
            {"plugin": plugin_name, "genre": genre},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)


def _show_categories(plugin_name: str) -> None:
    handle = _get_handle()
    _log(f"Kategorien laden: {plugin_name}")
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("Kategorien", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    getter = getattr(plugin, "categories", None)
    if not callable(getter):
        xbmcgui.Dialog().notification("Kategorien", "Kategorien nicht verfuegbar.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    try:
        categories = _run_with_progress(
            "Kategorien",
            f"{plugin_name}: Kategorien werden geladen...",
            lambda: list(getter() or []),
        )
    except Exception as exc:
        _log(f"Kategorien konnten nicht geladen werden ({plugin_name}): {exc}", xbmc.LOGWARNING)
        xbmcgui.Dialog().notification("Kategorien", "Kategorien konnten nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    for category in categories:
        category = str(category).strip()
        if not category:
            continue
        _add_directory_item(
            handle,
            category,
            "category_titles_page",
            {"plugin": plugin_name, "category": category, "page": "1"},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)


def _show_category_titles_page(plugin_name: str, category: str, page: int = 1) -> None:
    handle = _get_handle()
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("Kategorien", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    page = max(1, int(page or 1))
    paging_getter = getattr(plugin, "titles_for_genre_page", None)
    if not callable(paging_getter):
        xbmcgui.Dialog().notification("Kategorien", "Seitenwechsel nicht verfuegbar.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    total_pages = None
    count_getter = getattr(plugin, "genre_page_count", None)
    if callable(count_getter):
        try:
            total_pages = int(count_getter(category) or 1)
        except Exception:
            total_pages = None
    if total_pages is not None:
        page = min(page, max(1, total_pages))
        xbmcplugin.setPluginCategory(handle, f"{category} ({page}/{total_pages})")
    else:
        xbmcplugin.setPluginCategory(handle, f"{category} ({page})")
    _set_content(handle, "movies" if (plugin_name or "").casefold() == "einschalten" else "tvshows")

    if page > 1:
        _add_directory_item(
            handle,
            "Vorherige Seite",
            "category_titles_page",
            {"plugin": plugin_name, "category": category, "page": str(page - 1)},
            is_folder=True,
        )

    try:
        titles = _run_with_progress(
            "Kategorien",
            f"{plugin_name}: {category} Seite {page} wird geladen...",
            lambda: list(paging_getter(category, page) or []),
        )
    except Exception as exc:
        _log(f"Kategorie-Seite konnte nicht geladen werden ({plugin_name}/{category} p{page}): {exc}", xbmc.LOGWARNING)
        xbmcgui.Dialog().notification("Kategorien", "Seite konnte nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    titles = [str(t).strip() for t in titles if t and str(t).strip()]
    titles.sort(key=lambda value: value.casefold())

    if titles:
        use_source, show_tmdb, prefer_source = _metadata_policy(
            plugin_name, plugin, allow_tmdb=_tmdb_list_enabled()
        )
        plugin_meta = _collect_plugin_metadata(plugin, titles) if use_source else {}
        show_plot = _get_setting_bool("tmdb_show_plot", default=True)
        show_art = _get_setting_bool("tmdb_show_art", default=True)
        tmdb_prefetched: dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]] = {}
        tmdb_titles = list(titles) if show_tmdb else []
        if show_tmdb and prefer_source and use_source:
            tmdb_titles = []
            for title in titles:
                meta = plugin_meta.get(title)
                meta_labels = meta[0] if meta else {}
                meta_art = meta[1] if meta else {}
                if _needs_tmdb(meta_labels, meta_art, want_plot=show_plot, want_art=show_art):
                    tmdb_titles.append(title)
        if show_tmdb and tmdb_titles:
            with _busy_dialog("Genre-Liste wird geladen..."):
                tmdb_prefetched = _tmdb_labels_and_art_bulk(tmdb_titles)
        for title in titles:
            tmdb_info, tmdb_art, tmdb_cast = tmdb_prefetched.get(title, ({}, {}, [])) if show_tmdb else ({}, {}, [])
            meta = plugin_meta.get(title)
            info_labels, art, cast = _merge_metadata(title, tmdb_info, tmdb_art, tmdb_cast, meta)
            info_labels.setdefault("mediatype", "tvshow")
            if (info_labels.get("mediatype") or "").strip().casefold() == "tvshow":
                info_labels.setdefault("tvshowtitle", title)
            playstate = _title_playstate(plugin_name, title)
            info_labels = _apply_playstate_to_info(dict(info_labels), playstate)
            display_label = _label_with_duration(title, info_labels)
            display_label = _label_with_playstate(display_label, playstate)
            direct_play = bool(
                plugin_name.casefold() == "einschalten"
                and _get_setting_bool("einschalten_enable_playback", default=False)
            )
            _add_directory_item(
                handle,
                display_label,
                "play_movie" if direct_play else "seasons",
                {"plugin": plugin_name, "title": title, **_series_url_params(plugin, title)},
                is_folder=not direct_play,
                info_labels=info_labels,
                art=art,
                cast=cast,
            )

    show_next = False
    if total_pages is not None:
        show_next = page < total_pages
    else:
        has_more_getter = getattr(plugin, "genre_has_more", None)
        if callable(has_more_getter):
            try:
                show_next = bool(has_more_getter(category, page))
            except Exception:
                show_next = False

    if show_next:
        _add_directory_item(
            handle,
            "Naechste Seite",
            "category_titles_page",
            {"plugin": plugin_name, "category": category, "page": str(page + 1)},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)

def _show_genre_titles_page(plugin_name: str, genre: str, page: int = 1) -> None:
    handle = _get_handle()
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("Genres", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    page = max(1, int(page or 1))
    paging_getter = getattr(plugin, "titles_for_genre_page", None)
    if not callable(paging_getter):
        xbmcgui.Dialog().notification("Genres", "Seitenwechsel nicht verfuegbar.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    total_pages = None
    count_getter = getattr(plugin, "genre_page_count", None)
    if callable(count_getter):
        try:
            total_pages = int(count_getter(genre) or 1)
        except Exception:
            total_pages = None
    if total_pages is not None:
        page = min(page, max(1, total_pages))
        xbmcplugin.setPluginCategory(handle, f"{genre} ({page}/{total_pages})")
    else:
        xbmcplugin.setPluginCategory(handle, f"{genre} ({page})")
    _set_content(handle, "movies" if (plugin_name or "").casefold() == "einschalten" else "tvshows")

    if page > 1:
        _add_directory_item(
            handle,
            "Vorherige Seite",
            "genre_titles_page",
            {"plugin": plugin_name, "genre": genre, "page": str(page - 1)},
            is_folder=True,
        )

    try:
        titles = _run_with_progress(
            "Genres",
            f"{plugin_name}: {genre} Seite {page} wird geladen...",
            lambda: list(paging_getter(genre, page) or []),
        )
    except Exception as exc:
        _log(f"Genre-Seite konnte nicht geladen werden ({plugin_name}/{genre} p{page}): {exc}", xbmc.LOGWARNING)
        xbmcgui.Dialog().notification("Genres", "Seite konnte nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    titles = [str(t).strip() for t in titles if t and str(t).strip()]
    titles.sort(key=lambda value: value.casefold())

    if titles:
        use_source, show_tmdb, prefer_source = _metadata_policy(
            plugin_name, plugin, allow_tmdb=_tmdb_list_enabled()
        )
        plugin_meta = _collect_plugin_metadata(plugin, titles) if use_source else {}
        show_plot = _get_setting_bool("tmdb_show_plot", default=True)
        show_art = _get_setting_bool("tmdb_show_art", default=True)
        tmdb_prefetched: dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]] = {}
        tmdb_titles = list(titles) if show_tmdb else []
        if show_tmdb and prefer_source and use_source:
            tmdb_titles = []
            for title in titles:
                meta = plugin_meta.get(title)
                meta_labels = meta[0] if meta else {}
                meta_art = meta[1] if meta else {}
                if _needs_tmdb(meta_labels, meta_art, want_plot=show_plot, want_art=show_art):
                    tmdb_titles.append(title)
        if show_tmdb and tmdb_titles:
            with _busy_dialog("Genre-Seite wird geladen..."):
                tmdb_prefetched = _tmdb_labels_and_art_bulk(tmdb_titles)
        for title in titles:
            tmdb_info, tmdb_art, tmdb_cast = tmdb_prefetched.get(title, ({}, {}, [])) if show_tmdb else ({}, {}, [])
            meta = plugin_meta.get(title)
            info_labels, art, cast = _merge_metadata(title, tmdb_info, tmdb_art, tmdb_cast, meta)
            info_labels.setdefault("mediatype", "tvshow")
            if (info_labels.get("mediatype") or "").strip().casefold() == "tvshow":
                info_labels.setdefault("tvshowtitle", title)
            playstate = _title_playstate(plugin_name, title)
            info_labels = _apply_playstate_to_info(dict(info_labels), playstate)
            display_label = _label_with_duration(title, info_labels)
            display_label = _label_with_playstate(display_label, playstate)
            direct_play = bool(
                plugin_name.casefold() == "einschalten"
                and _get_setting_bool("einschalten_enable_playback", default=False)
            )
            _add_directory_item(
                handle,
                display_label,
                "play_movie" if direct_play else "seasons",
                {"plugin": plugin_name, "title": title, **_series_url_params(plugin, title)},
                is_folder=not direct_play,
                info_labels=info_labels,
                art=art,
                cast=cast,
            )

    show_next = False
    if total_pages is not None:
        show_next = page < total_pages
    else:
        has_more_getter = getattr(plugin, "genre_has_more", None)
        if callable(has_more_getter):
            try:
                show_next = bool(has_more_getter(genre, page))
            except Exception:
                show_next = False

    if show_next:
        _add_directory_item(
            handle,
            "Naechste Seite",
            "genre_titles_page",
            {"plugin": plugin_name, "genre": genre, "page": str(page + 1)},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)


def _show_alpha_index(plugin_name: str) -> None:
    handle = _get_handle()
    _log(f"A-Z laden: {plugin_name}")
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("A-Z", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    getter = getattr(plugin, "alpha_index", None)
    if not callable(getter):
        xbmcgui.Dialog().notification("A-Z", "A-Z nicht verfuegbar.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    try:
        letters = _run_with_progress(
            "A-Z",
            f"{plugin_name}: Index wird geladen...",
            lambda: list(getter() or []),
        )
    except Exception as exc:
        _log(f"A-Z konnte nicht geladen werden ({plugin_name}): {exc}", xbmc.LOGWARNING)
        xbmcgui.Dialog().notification("A-Z", "A-Z konnte nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    for letter in letters:
        letter = str(letter).strip()
        if not letter:
            continue
        _add_directory_item(
            handle,
            letter,
            "alpha_titles_page",
            {"plugin": plugin_name, "letter": letter, "page": "1"},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)


def _show_alpha_titles_page(plugin_name: str, letter: str, page: int = 1) -> None:
    handle = _get_handle()
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("A-Z", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    page = max(1, int(page or 1))
    paging_getter = getattr(plugin, "titles_for_alpha_page", None)
    if not callable(paging_getter):
        xbmcgui.Dialog().notification("A-Z", "Seitenwechsel nicht verfuegbar.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    total_pages = None
    count_getter = getattr(plugin, "alpha_page_count", None)
    if callable(count_getter):
        try:
            total_pages = int(count_getter(letter) or 1)
        except Exception:
            total_pages = None
    if total_pages is not None:
        page = min(page, max(1, total_pages))
        xbmcplugin.setPluginCategory(handle, f"{letter} ({page}/{total_pages})")
    else:
        xbmcplugin.setPluginCategory(handle, f"{letter} ({page})")
    _set_content(handle, "movies" if (plugin_name or "").casefold() == "einschalten" else "tvshows")

    if page > 1:
        _add_directory_item(
            handle,
            "Vorherige Seite",
            "alpha_titles_page",
            {"plugin": plugin_name, "letter": letter, "page": str(page - 1)},
            is_folder=True,
        )

    try:
        titles = _run_with_progress(
            "A-Z",
            f"{plugin_name}: {letter} Seite {page} wird geladen...",
            lambda: list(paging_getter(letter, page) or []),
        )
    except Exception as exc:
        _log(f"A-Z Seite konnte nicht geladen werden ({plugin_name}/{letter} p{page}): {exc}", xbmc.LOGWARNING)
        xbmcgui.Dialog().notification("A-Z", "Seite konnte nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    titles = [str(t).strip() for t in titles if t and str(t).strip()]
    titles.sort(key=lambda value: value.casefold())

    if titles:
        use_source, show_tmdb, prefer_source = _metadata_policy(
            plugin_name, plugin, allow_tmdb=_tmdb_list_enabled()
        )
        plugin_meta = _collect_plugin_metadata(plugin, titles) if use_source else {}
        show_plot = _get_setting_bool("tmdb_show_plot", default=True)
        show_art = _get_setting_bool("tmdb_show_art", default=True)
        tmdb_prefetched: dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]] = {}
        tmdb_titles = list(titles) if show_tmdb else []
        if show_tmdb and prefer_source and use_source:
            tmdb_titles = []
            for title in titles:
                meta = plugin_meta.get(title)
                meta_labels = meta[0] if meta else {}
                meta_art = meta[1] if meta else {}
                if _needs_tmdb(meta_labels, meta_art, want_plot=show_plot, want_art=show_art):
                    tmdb_titles.append(title)
        if show_tmdb and tmdb_titles:
            with _busy_dialog("A-Z Liste wird geladen..."):
                tmdb_prefetched = _tmdb_labels_and_art_bulk(tmdb_titles)
        for title in titles:
            tmdb_info, tmdb_art, tmdb_cast = tmdb_prefetched.get(title, ({}, {}, [])) if show_tmdb else ({}, {}, [])
            meta = plugin_meta.get(title)
            info_labels, art, cast = _merge_metadata(title, tmdb_info, tmdb_art, tmdb_cast, meta)
            info_labels = dict(info_labels or {})
            info_labels.setdefault("mediatype", "tvshow")
            if (info_labels.get("mediatype") or "").strip().casefold() == "tvshow":
                info_labels.setdefault("tvshowtitle", title)
            playstate = _title_playstate(plugin_name, title)
            info_labels = _apply_playstate_to_info(dict(info_labels), playstate)
            display_label = _label_with_duration(title, info_labels)
            display_label = _label_with_playstate(display_label, playstate)
            direct_play = bool(
                plugin_name.casefold() == "einschalten"
                and _get_setting_bool("einschalten_enable_playback", default=False)
            )
            _add_directory_item(
                handle,
                display_label,
                "play_movie" if direct_play else "seasons",
                {"plugin": plugin_name, "title": title, **_series_url_params(plugin, title)},
                is_folder=not direct_play,
                info_labels=info_labels,
                art=art,
                cast=cast,
            )

    show_next = False
    if total_pages is not None:
        show_next = page < total_pages

    if show_next:
        _add_directory_item(
            handle,
            "Naechste Seite",
            "alpha_titles_page",
            {"plugin": plugin_name, "letter": letter, "page": str(page + 1)},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)


def _show_series_catalog(plugin_name: str, page: int = 1) -> None:
    handle = _get_handle()
    plugin_name = (plugin_name or "").strip()
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("Serien", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    page = max(1, int(page or 1))
    paging_getter = getattr(plugin, "series_catalog_page", None)
    if not callable(paging_getter):
        xbmcgui.Dialog().notification("Serien", "Serienkatalog nicht verfuegbar.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    total_pages = None
    count_getter = getattr(plugin, "series_catalog_page_count", None)
    if callable(count_getter):
        try:
            total_pages = int(count_getter(page) or 1)
        except Exception:
            total_pages = None
    if total_pages is not None:
        page = min(page, max(1, total_pages))
        xbmcplugin.setPluginCategory(handle, f"Serien ({page}/{total_pages})")
    else:
        xbmcplugin.setPluginCategory(handle, f"Serien ({page})")
    _set_content(handle, "tvshows")

    if page > 1:
        _add_directory_item(
            handle,
            "Vorherige Seite",
            "series_catalog",
            {"plugin": plugin_name, "page": str(page - 1)},
            is_folder=True,
        )

    try:
        titles = _run_with_progress(
            "Serien",
            f"{plugin_name}: Seite {page} wird geladen...",
            lambda: list(paging_getter(page) or []),
        )
    except Exception as exc:
        _log(f"Serien konnten nicht geladen werden ({plugin_name} p{page}): {exc}", xbmc.LOGWARNING)
        xbmcgui.Dialog().notification("Serien", "Serien konnten nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    titles = [str(t).strip() for t in titles if t and str(t).strip()]
    titles.sort(key=lambda value: value.casefold())

    if titles:
        use_source, show_tmdb, prefer_source = _metadata_policy(
            plugin_name, plugin, allow_tmdb=_tmdb_list_enabled()
        )
        plugin_meta = _collect_plugin_metadata(plugin, titles) if use_source else {}
        show_plot = _get_setting_bool("tmdb_show_plot", default=True)
        show_art = _get_setting_bool("tmdb_show_art", default=True)
        tmdb_prefetched: dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]] = {}
        tmdb_titles = list(titles) if show_tmdb else []
        if show_tmdb and prefer_source and use_source:
            tmdb_titles = []
            for title in titles:
                meta = plugin_meta.get(title)
                meta_labels = meta[0] if meta else {}
                meta_art = meta[1] if meta else {}
                if _needs_tmdb(meta_labels, meta_art, want_plot=show_plot, want_art=show_art):
                    tmdb_titles.append(title)
        if show_tmdb and tmdb_titles:
            with _busy_dialog("A-Z Seite wird geladen..."):
                tmdb_prefetched = _tmdb_labels_and_art_bulk(tmdb_titles)
        for title in titles:
            tmdb_info, tmdb_art, tmdb_cast = tmdb_prefetched.get(title, ({}, {}, [])) if show_tmdb else ({}, {}, [])
            meta = plugin_meta.get(title)
            info_labels, art, cast = _merge_metadata(title, tmdb_info, tmdb_art, tmdb_cast, meta)
            info_labels = dict(info_labels or {})
            info_labels.setdefault("mediatype", "tvshow")
            if (info_labels.get("mediatype") or "").strip().casefold() == "tvshow":
                info_labels.setdefault("tvshowtitle", title)
            playstate = _title_playstate(plugin_name, title)
            info_labels = _apply_playstate_to_info(dict(info_labels), playstate)
            display_label = _label_with_duration(title, info_labels)
            display_label = _label_with_playstate(display_label, playstate)
            _add_directory_item(
                handle,
                display_label,
                "seasons",
                {"plugin": plugin_name, "title": title, **_series_url_params(plugin, title)},
                is_folder=True,
                info_labels=info_labels,
                art=art,
                cast=cast,
            )

    show_next = False
    if total_pages is not None:
        show_next = page < total_pages
    else:
        has_more_getter = getattr(plugin, "series_catalog_has_more", None)
        if callable(has_more_getter):
            try:
                show_next = bool(has_more_getter(page))
            except Exception:
                show_next = False

    if show_next:
        _add_directory_item(
            handle,
            "Naechste Seite",
            "series_catalog",
            {"plugin": plugin_name, "page": str(page + 1)},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)


def _title_group_key(title: str) -> str:
    raw = (title or "").strip()
    if not raw:
        return "#"
    for char in raw:
        if char.isdigit():
            return "0-9"
        if char.isalpha():
            normalized = char.casefold()
            if normalized == "ä":
                normalized = "a"
            elif normalized == "ö":
                normalized = "o"
            elif normalized == "ü":
                normalized = "u"
            elif normalized == "ß":
                normalized = "s"
            return normalized.upper()
    return "#"


def _genre_title_groups() -> list[tuple[str, str]]:
    return [
        ("A-E", "A-E"),
        ("F-J", "F-J"),
        ("K-O", "K-O"),
        ("P-T", "P-T"),
        ("U-Z", "U-Z"),
        ("0-9", "0-9"),
    ]


def _group_matches(group_code: str, title: str) -> bool:
    key = _title_group_key(title)
    if group_code == "0-9":
        return key == "0-9"
    if key == "0-9" or key == "#":
        return False
    if group_code == "A-E":
        return "A" <= key <= "E"
    if group_code == "F-J":
        return "F" <= key <= "J"
    if group_code == "K-O":
        return "K" <= key <= "O"
    if group_code == "P-T":
        return "P" <= key <= "T"
    if group_code == "U-Z":
        return "U" <= key <= "Z"
    return False


def _get_genre_titles(plugin_name: str, genre: str) -> list[str]:
    cache_key = (plugin_name, genre)
    cached = _GENRE_TITLES_CACHE.get(cache_key)
    if cached is not None:
        return list(cached)
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        return []
    titles = plugin.titles_for_genre(genre)
    titles = [str(t).strip() for t in titles if t and str(t).strip()]
    titles.sort(key=lambda value: value.casefold())
    _GENRE_TITLES_CACHE[cache_key] = list(titles)
    return list(titles)


def _show_genre_series(plugin_name: str, genre: str) -> None:
    handle = _get_handle()
    xbmcplugin.setPluginCategory(handle, genre)
    for label, group_code in _genre_title_groups():
        _add_directory_item(
            handle,
            label,
            "genre_series_group",
            {"plugin": plugin_name, "genre": genre, "group": group_code},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)


def _parse_positive_int(value: str, *, default: int = 1) -> int:
    try:
        parsed = int(str(value or "").strip())
    except Exception:
        return default
    return parsed if parsed > 0 else default


def _popular_genre_label(plugin: BasisPlugin) -> str | None:
    label = getattr(plugin, "POPULAR_GENRE_LABEL", None)
    if isinstance(label, str) and label.strip():
        return label.strip()
    return None


def _plugin_has_capability(plugin: BasisPlugin, capability: str) -> bool:
    getter = getattr(plugin, "capabilities", None)
    if callable(getter):
        try:
            capabilities = getter()
        except Exception:
            capabilities = set()
        try:
            return capability in set(capabilities or [])
        except Exception:
            return False
    # Backwards compatibility: Popular via POPULAR_GENRE_LABEL constant.
    if capability == "popular_series":
        return _popular_genre_label(plugin) is not None
    return False


def _plugins_with_popular() -> list[tuple[str, BasisPlugin, str]]:
    results: list[tuple[str, BasisPlugin, str]] = []
    for plugin_name, plugin in _discover_plugins().items():
        if not _plugin_has_capability(plugin, "popular_series"):
            continue
        label = _popular_genre_label(plugin) or ""
        results.append((plugin_name, plugin, label))
    return results


def _show_popular(plugin_name: str | None = None, page: int = 1) -> None:
    handle = _get_handle()
    page_size = LIST_PAGE_SIZE
    page = max(1, int(page or 1))

    if plugin_name:
        plugin = _discover_plugins().get(plugin_name)
        if plugin is None or not _plugin_has_capability(plugin, "popular_series"):
            xbmcgui.Dialog().notification(POPULAR_MENU_LABEL, "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
            xbmcplugin.endOfDirectory(handle)
            return
        try:
            popular_getter = getattr(plugin, "popular_series", None)
            if callable(popular_getter):
                titles = _run_with_progress(
                    POPULAR_MENU_LABEL,
                    f"{plugin_name}: Liste wird geladen...",
                    lambda: list(popular_getter() or []),
                )
            else:
                label = _popular_genre_label(plugin)
                if not label:
                    titles = []
                else:
                    titles = _run_with_progress(
                        POPULAR_MENU_LABEL,
                        f"{plugin_name}: Liste wird geladen...",
                        lambda: list(plugin.titles_for_genre(label) or []),
                    )
        except Exception as exc:
            _log(f"{POPULAR_MENU_LABEL} konnte nicht geladen werden ({plugin_name}): {exc}", xbmc.LOGWARNING)
            xbmcgui.Dialog().notification(POPULAR_MENU_LABEL, "Serien konnten nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
            xbmcplugin.endOfDirectory(handle)
            return

        titles = [str(t).strip() for t in titles if t and str(t).strip()]
        titles.sort(key=lambda value: value.casefold())
        total = len(titles)
        total_pages = max(1, (total + page_size - 1) // page_size)
        page = min(page, total_pages)
        xbmcplugin.setPluginCategory(handle, f"{POPULAR_MENU_LABEL} [{plugin_name}] ({page}/{total_pages})")
        _set_content(handle, "tvshows")

        if total_pages > 1 and page > 1:
            _add_directory_item(
                handle,
                "Vorherige Seite",
                "popular",
                {"plugin": plugin_name, "page": str(page - 1)},
                is_folder=True,
            )

        start = (page - 1) * page_size
        end = start + page_size
        page_items = titles[start:end]

        if page_items:
            use_source, show_tmdb, prefer_source = _metadata_policy(
                plugin_name, plugin, allow_tmdb=_tmdb_list_enabled()
            )
            plugin_meta = _collect_plugin_metadata(plugin, page_items) if use_source else {}
            show_plot = _get_setting_bool("tmdb_show_plot", default=True)
            show_art = _get_setting_bool("tmdb_show_art", default=True)
            tmdb_prefetched: dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]] = {}
            tmdb_titles = list(page_items) if show_tmdb else []
            if show_tmdb and prefer_source and use_source:
                tmdb_titles = []
                for title in page_items:
                    meta = plugin_meta.get(title)
                    meta_labels = meta[0] if meta else {}
                    meta_art = meta[1] if meta else {}
                    if _needs_tmdb(meta_labels, meta_art, want_plot=show_plot, want_art=show_art):
                        tmdb_titles.append(title)
            if show_tmdb and tmdb_titles:
                with _busy_dialog(f"{POPULAR_MENU_LABEL} wird geladen..."):
                    tmdb_prefetched = _tmdb_labels_and_art_bulk(tmdb_titles)
            for title in page_items:
                tmdb_info, tmdb_art, tmdb_cast = tmdb_prefetched.get(title, ({}, {}, [])) if show_tmdb else ({}, {}, [])
                meta = plugin_meta.get(title)
                info_labels, art, cast = _merge_metadata(title, tmdb_info, tmdb_art, tmdb_cast, meta)
                info_labels.setdefault("mediatype", "tvshow")
                if (info_labels.get("mediatype") or "").strip().casefold() == "tvshow":
                    info_labels.setdefault("tvshowtitle", title)
                playstate = _title_playstate(plugin_name, title)
                info_labels = _apply_playstate_to_info(dict(info_labels), playstate)
                display_label = _label_with_duration(title, info_labels)
                display_label = _label_with_playstate(display_label, playstate)
                _add_directory_item(
                    handle,
                    display_label,
                    "seasons",
                    {"plugin": plugin_name, "title": title, **_series_url_params(plugin, title)},
                    is_folder=True,
                    info_labels=info_labels,
                    art=art,
                    cast=cast,
                )

        if total_pages > 1 and page < total_pages:
            _add_directory_item(
                handle,
                "Naechste Seite",
                "popular",
                {"plugin": plugin_name, "page": str(page + 1)},
                is_folder=True,
            )
        xbmcplugin.endOfDirectory(handle)
        return

    sources = _plugins_with_popular()
    if not sources:
        xbmcgui.Dialog().notification(POPULAR_MENU_LABEL, "Keine Quellen gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    xbmcplugin.setPluginCategory(handle, POPULAR_MENU_LABEL)
    for name, plugin, _label in sources:
        _add_directory_item(
            handle,
            f"{POPULAR_MENU_LABEL} [{plugin.name}]",
            "popular",
            {"plugin": name, "page": "1"},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)


def _show_new_titles(plugin_name: str, page: int = 1, *, action_name: str = "new_titles") -> None:
    handle = _get_handle()
    page_size = LIST_PAGE_SIZE
    page = max(1, int(page or 1))

    plugin_name = (plugin_name or "").strip()
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None or not _plugin_has_capability(plugin, "new_titles"):
        xbmcgui.Dialog().notification(LATEST_MENU_LABEL, "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    getter = getattr(plugin, "new_titles", None)
    if not callable(getter):
        xbmcgui.Dialog().notification(LATEST_MENU_LABEL, "Diese Liste ist nicht verfuegbar.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    paging_getter = getattr(plugin, "new_titles_page", None)
    has_more_getter = getattr(plugin, "new_titles_has_more", None)

    if callable(paging_getter):
        xbmcplugin.setPluginCategory(handle, f"{LATEST_MENU_LABEL} [{plugin_name}] ({page})")
        _set_content(handle, "movies" if plugin_name.casefold() == "einschalten" else "tvshows")
        if page > 1:
            _add_directory_item(
                handle,
                "Vorherige Seite",
                action_name,
                {"plugin": plugin_name, "page": str(page - 1)},
                is_folder=True,
            )
        try:
            page_items = _run_with_progress(
                LATEST_MENU_LABEL,
                f"{plugin_name}: Seite {page} wird geladen...",
                lambda: list(paging_getter(page) or []),
            )
        except Exception as exc:
            _log(f"{LATEST_MENU_LABEL} konnten nicht geladen werden ({plugin_name} p{page}): {exc}", xbmc.LOGWARNING)
            xbmcgui.Dialog().notification(LATEST_MENU_LABEL, "Titel konnten nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
            xbmcplugin.endOfDirectory(handle)
            return
        page_items = [str(t).strip() for t in page_items if t and str(t).strip()]
        page_items.sort(key=lambda value: value.casefold())
    else:
        try:
            titles = _run_with_progress(
                LATEST_MENU_LABEL,
                f"{plugin_name}: Liste wird geladen...",
                lambda: list(getter() or []),
            )
        except Exception as exc:
            _log(f"{LATEST_MENU_LABEL} konnten nicht geladen werden ({plugin_name}): {exc}", xbmc.LOGWARNING)
            xbmcgui.Dialog().notification(LATEST_MENU_LABEL, "Titel konnten nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
            xbmcplugin.endOfDirectory(handle)
            return

        titles = [str(t).strip() for t in titles if t and str(t).strip()]
        titles.sort(key=lambda value: value.casefold())
        total = len(titles)
        if total == 0:
            xbmcgui.Dialog().notification(
                LATEST_MENU_LABEL,
                "Keine Titel gefunden. Bitte Basis-URL oder Index pruefen.",
                xbmcgui.NOTIFICATION_INFO,
                4000,
            )
        total_pages = max(1, (total + page_size - 1) // page_size)
        page = min(page, total_pages)
        xbmcplugin.setPluginCategory(handle, f"{LATEST_MENU_LABEL} [{plugin_name}] ({page}/{total_pages})")
        _set_content(handle, "movies" if plugin_name.casefold() == "einschalten" else "tvshows")

        if total_pages > 1 and page > 1:
            _add_directory_item(
                handle,
                "Vorherige Seite",
                action_name,
                {"plugin": plugin_name, "page": str(page - 1)},
                is_folder=True,
            )

        start = (page - 1) * page_size
        end = start + page_size
        page_items = titles[start:end]
    if page_items:
        use_source, show_tmdb, prefer_source = _metadata_policy(
            plugin_name, plugin, allow_tmdb=_tmdb_list_enabled()
        )
        plugin_meta = _collect_plugin_metadata(plugin, page_items) if use_source else {}
        show_plot = _get_setting_bool("tmdb_show_plot", default=True)
        show_art = _get_setting_bool("tmdb_show_art", default=True)
        tmdb_prefetched: dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]] = {}
        tmdb_titles = list(page_items) if show_tmdb else []
        if show_tmdb and prefer_source and use_source:
            tmdb_titles = []
            for title in page_items:
                meta = plugin_meta.get(title)
                meta_labels = meta[0] if meta else {}
                meta_art = meta[1] if meta else {}
                if _needs_tmdb(meta_labels, meta_art, want_plot=show_plot, want_art=show_art):
                    tmdb_titles.append(title)
        if show_tmdb and tmdb_titles:
            with _busy_dialog(f"{LATEST_MENU_LABEL} wird geladen..."):
                tmdb_prefetched = _tmdb_labels_and_art_bulk(tmdb_titles)
        for title in page_items:
            tmdb_info, tmdb_art, tmdb_cast = tmdb_prefetched.get(title, ({}, {}, [])) if show_tmdb else ({}, {}, [])
            meta = plugin_meta.get(title)
            info_labels, art, cast = _merge_metadata(title, tmdb_info, tmdb_art, tmdb_cast, meta)
            info_labels = dict(info_labels or {})
            info_labels.setdefault("mediatype", "movie")
            playstate = _title_playstate(plugin_name, title)
            info_labels = _apply_playstate_to_info(dict(info_labels), playstate)
            display_label = _label_with_duration(title, info_labels)
            display_label = _label_with_playstate(display_label, playstate)
            direct_play = bool(
                plugin_name.casefold() == "einschalten"
                and _get_setting_bool("einschalten_enable_playback", default=False)
            )
            _add_directory_item(
                handle,
                display_label,
                "play_movie" if direct_play else "seasons",
                {"plugin": plugin_name, "title": title, **_series_url_params(plugin, title)},
                is_folder=not direct_play,
                info_labels=info_labels,
                art=art,
                cast=cast,
            )

    show_next = False
    if callable(paging_getter) and callable(has_more_getter):
        try:
            show_next = bool(has_more_getter(page))
        except Exception:
            show_next = False
    elif "total_pages" in locals():
        show_next = bool(total_pages > 1 and page < total_pages)  # type: ignore[name-defined]

    if show_next:
        _add_directory_item(
            handle,
            "Naechste Seite",
            action_name,
            {"plugin": plugin_name, "page": str(page + 1)},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)


def _show_latest_episodes(plugin_name: str, page: int = 1) -> None:
    handle = _get_handle()
    plugin_name = (plugin_name or "").strip()
    plugin = _discover_plugins().get(plugin_name)
    if not plugin:
        xbmcgui.Dialog().notification(LATEST_MENU_LABEL, "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    getter = getattr(plugin, "latest_episodes", None)
    if not callable(getter):
        xbmcgui.Dialog().notification(LATEST_MENU_LABEL, "Diese Quelle bietet das nicht an.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    xbmcplugin.setPluginCategory(handle, f"{plugin_name}: {LATEST_MENU_LABEL}")
    _set_content(handle, "episodes")

    try:
        entries = _run_with_progress(
            LATEST_MENU_LABEL,
            f"{plugin_name}: Seite {page} wird geladen...",
            lambda: list(getter(page) or []),
        )
    except Exception as exc:
        _log(f"{LATEST_MENU_LABEL} fehlgeschlagen ({plugin_name}): {exc}", xbmc.LOGWARNING)
        xbmcgui.Dialog().notification(LATEST_MENU_LABEL, "Abruf fehlgeschlagen.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    for entry in entries:
        try:
            title = str(getattr(entry, "series_title", "") or "").strip()
            season_number = int(getattr(entry, "season", 0) or 0)
            episode_number = int(getattr(entry, "episode", 0) or 0)
            url = str(getattr(entry, "url", "") or "").strip()
            airdate = str(getattr(entry, "airdate", "") or "").strip()
        except Exception:
            continue
        if not title or not url or season_number < 0 or episode_number <= 0:
            continue

        season_label = f"Staffel {season_number}"
        episode_label = f"Episode {episode_number}"
        key = _playstate_key(plugin_name=plugin_name, title=title, season=season_label, episode=episode_label)
        playstate = _get_playstate(key)

        label = f"{title} - S{season_number:02d}E{episode_number:02d}"
        if airdate:
            label = f"{label} ({airdate})"
        label = _label_with_playstate(label, playstate)

        info_labels: dict[str, object] = {
            "title": f"{title} - S{season_number:02d}E{episode_number:02d}",
            "tvshowtitle": title,
            "season": season_number,
            "episode": episode_number,
            "mediatype": "episode",
        }
        info_labels = _apply_playstate_to_info(info_labels, playstate)

        _add_directory_item(
            handle,
            label,
            "play_episode_url",
            {
                "plugin": plugin_name,
                "title": title,
                "season": str(season_number),
                "episode": str(episode_number),
                "url": url,
            },
            is_folder=False,
            info_labels=info_labels,
        )

    xbmcplugin.endOfDirectory(handle)


def _show_latest_titles(plugin_name: str, page: int = 1) -> None:
    plugin_name = (plugin_name or "").strip()
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        handle = _get_handle()
        xbmcgui.Dialog().notification(LATEST_MENU_LABEL, "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return
    if _plugin_has_capability(plugin, "latest_episodes"):
        _show_latest_episodes(plugin_name, page)
        return
    if _plugin_has_capability(plugin, "new_titles"):
        _show_new_titles(plugin_name, page, action_name="latest_titles")
        return
    handle = _get_handle()
    xbmcgui.Dialog().notification(LATEST_MENU_LABEL, "Diese Quelle bietet das nicht an.", xbmcgui.NOTIFICATION_INFO, 3000)
    xbmcplugin.endOfDirectory(handle)


def _show_genre_series_group(plugin_name: str, genre: str, group_code: str, page: int = 1) -> None:
    handle = _get_handle()
    page_size = LIST_PAGE_SIZE
    page = max(1, int(page or 1))
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("Genres", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    grouped_paging = getattr(plugin, "titles_for_genre_group_page", None)
    grouped_has_more = getattr(plugin, "genre_group_has_more", None)
    if callable(grouped_paging):
        try:
            raw_items = _run_with_progress(
                "Genres",
                f"{plugin_name}: {genre} [{group_code}] Seite {page} wird geladen...",
                lambda: list(grouped_paging(genre, group_code, page, page_size) or []),
            )
            page_items = [str(t).strip() for t in raw_items if t and str(t).strip()]
        except Exception as exc:
            _log(f"Genre-Serien konnten nicht geladen werden ({plugin_name}/{genre}/{group_code} p{page}): {exc}", xbmc.LOGWARNING)
            xbmcgui.Dialog().notification("Genres", "Serien konnten nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
            xbmcplugin.endOfDirectory(handle)
            return

        xbmcplugin.setPluginCategory(handle, f"{genre} [{group_code}] ({page})")
        use_source, show_tmdb, prefer_source = _metadata_policy(
            plugin_name, plugin, allow_tmdb=_tmdb_list_enabled()
        )
        if page > 1:
            _add_directory_item(
                handle,
                "Vorherige Seite",
                "genre_series_group",
                {"plugin": plugin_name, "genre": genre, "group": group_code, "page": str(page - 1)},
                is_folder=True,
            )
        if page_items:
            plugin_meta = _collect_plugin_metadata(plugin, page_items) if use_source else {}
            show_plot = _get_setting_bool("tmdb_show_plot", default=True)
            show_art = _get_setting_bool("tmdb_show_art", default=True)
            tmdb_prefetched: dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]] = {}
            tmdb_titles = list(page_items) if show_tmdb else []
            if show_tmdb and prefer_source and use_source:
                tmdb_titles = []
                for title in page_items:
                    meta = plugin_meta.get(title)
                    meta_labels = meta[0] if meta else {}
                    meta_art = meta[1] if meta else {}
                    if _needs_tmdb(meta_labels, meta_art, want_plot=show_plot, want_art=show_art):
                        tmdb_titles.append(title)
            if show_tmdb and tmdb_titles:
                with _busy_dialog("Genre-Gruppe wird geladen..."):
                    tmdb_prefetched = _tmdb_labels_and_art_bulk(tmdb_titles)
            for title in page_items:
                tmdb_info, tmdb_art, tmdb_cast = tmdb_prefetched.get(title, ({}, {}, [])) if show_tmdb else ({}, {}, [])
                meta = plugin_meta.get(title)
                info_labels, art, cast = _merge_metadata(title, tmdb_info, tmdb_art, tmdb_cast, meta)
                info_labels = dict(info_labels or {})
                info_labels.setdefault("mediatype", "tvshow")
                if (info_labels.get("mediatype") or "").strip().casefold() == "tvshow":
                    info_labels.setdefault("tvshowtitle", title)
                playstate = _title_playstate(plugin_name, title)
                info_labels = _apply_playstate_to_info(dict(info_labels), playstate)
                display_label = _label_with_duration(title, info_labels)
                display_label = _label_with_playstate(display_label, playstate)
                _add_directory_item(
                    handle,
                    display_label,
                    "seasons",
                    {"plugin": plugin_name, "title": title, **_series_url_params(plugin, title)},
                    is_folder=True,
                    info_labels=info_labels,
                    art=art,
                    cast=cast,
                )
        show_next = False
        if callable(grouped_has_more):
            try:
                show_next = bool(grouped_has_more(genre, group_code, page, page_size))
            except Exception:
                show_next = False
        elif len(page_items) >= page_size:
            show_next = True
        if show_next:
            _add_directory_item(
                handle,
                "Naechste Seite",
                "genre_series_group",
                {"plugin": plugin_name, "genre": genre, "group": group_code, "page": str(page + 1)},
                is_folder=True,
            )
        xbmcplugin.endOfDirectory(handle)
        return

    try:
        titles = _get_genre_titles(plugin_name, genre)
    except Exception as exc:
        _log(f"Genre-Serien konnten nicht geladen werden ({plugin_name}): {exc}", xbmc.LOGWARNING)
        xbmcgui.Dialog().notification("Genres", "Serien konnten nicht geladen werden.", xbmcgui.NOTIFICATION_INFO, 3000)
        xbmcplugin.endOfDirectory(handle)
        return

    filtered = [title for title in titles if _group_matches(group_code, title)]
    total = len(filtered)
    total_pages = max(1, (total + page_size - 1) // page_size)
    page = min(page, total_pages)
    xbmcplugin.setPluginCategory(handle, f"{genre} [{group_code}] ({page}/{total_pages})")

    if total_pages > 1 and page > 1:
        _add_directory_item(
            handle,
            "Vorherige Seite",
            "genre_series_group",
            {"plugin": plugin_name, "genre": genre, "group": group_code, "page": str(page - 1)},
            is_folder=True,
        )

    start = (page - 1) * page_size
    end = start + page_size
    page_items = filtered[start:end]
    use_source, show_tmdb, prefer_source = _metadata_policy(
        plugin_name, plugin, allow_tmdb=_tmdb_list_enabled()
    )

    if page_items:
        plugin_meta = _collect_plugin_metadata(plugin, page_items) if use_source else {}
        show_plot = _get_setting_bool("tmdb_show_plot", default=True)
        show_art = _get_setting_bool("tmdb_show_art", default=True)
        tmdb_prefetched: dict[str, tuple[dict[str, str], dict[str, str], list[TmdbCastMember]]] = {}
        tmdb_titles = list(page_items) if show_tmdb else []
        if show_tmdb and prefer_source and use_source:
            tmdb_titles = []
            for title in page_items:
                meta = plugin_meta.get(title)
                meta_labels = meta[0] if meta else {}
                meta_art = meta[1] if meta else {}
                if _needs_tmdb(meta_labels, meta_art, want_plot=show_plot, want_art=show_art):
                    tmdb_titles.append(title)
        if show_tmdb and tmdb_titles:
            with _busy_dialog("Genre-Serien werden geladen..."):
                tmdb_prefetched = _tmdb_labels_and_art_bulk(tmdb_titles)
        for title in page_items:
            tmdb_info, tmdb_art, tmdb_cast = tmdb_prefetched.get(title, ({}, {}, [])) if show_tmdb else ({}, {}, [])
            meta = plugin_meta.get(title)
            info_labels, art, cast = _merge_metadata(title, tmdb_info, tmdb_art, tmdb_cast, meta)
            info_labels = dict(info_labels or {})
            info_labels.setdefault("mediatype", "tvshow")
            if (info_labels.get("mediatype") or "").strip().casefold() == "tvshow":
                info_labels.setdefault("tvshowtitle", title)
            playstate = _title_playstate(plugin_name, title)
            info_labels = _apply_playstate_to_info(dict(info_labels), playstate)
            display_label = _label_with_duration(title, info_labels)
            display_label = _label_with_playstate(display_label, playstate)
            _add_directory_item(
                handle,
                display_label,
                "seasons",
                {"plugin": plugin_name, "title": title, **_series_url_params(plugin, title)},
                is_folder=True,
                info_labels=info_labels,
                art=art,
                cast=cast,
            )

    if total_pages > 1 and page < total_pages:
        _add_directory_item(
            handle,
            "Naechste Seite",
            "genre_series_group",
            {"plugin": plugin_name, "genre": genre, "group": group_code, "page": str(page + 1)},
            is_folder=True,
        )
    xbmcplugin.endOfDirectory(handle)

def _open_settings() -> None:
    """Oeffnet das Kodi-Addon-Settings-Dialog."""
    if xbmcaddon is None:  # pragma: no cover - outside Kodi
        raise RuntimeError("xbmcaddon ist nicht verfuegbar (KodiStub).")
    _sync_update_version_settings()
    addon = xbmcaddon.Addon()
    addon.openSettings()


def _apply_update_channel(*, silent: bool = False) -> bool:
    if xbmc is None:  # pragma: no cover - outside Kodi
        return False
    info_url = _resolve_update_info_url()
    _sync_update_version_settings()
    applied = _update_repository_source(info_url)
    installed_version = _get_setting_string("update_installed_version").strip() or "0.0.0"
    versions = _fetch_repo_versions(info_url)
    target_version = versions[0] if versions else "-"

    install_result = False
    if target_version != "-" and target_version != installed_version:
        install_result = _install_addon_version(info_url, target_version)
    elif target_version == installed_version:
        install_result = True

    builtin = getattr(xbmc, "executebuiltin", None)
    if callable(builtin):
        builtin("UpdateAddonRepos")
        builtin("UpdateLocalAddons")
    if not silent:
        if not applied:
            warning_icon = getattr(xbmcgui, "NOTIFICATION_WARNING", xbmcgui.NOTIFICATION_INFO)
            xbmcgui.Dialog().notification(
                "Updates",
                "Kanal gespeichert, aber repository.viewit nicht gefunden.",
                warning_icon,
                5000,
            )
        elif target_version == "-":
            xbmcgui.Dialog().notification(
                "Updates",
                "Kanal angewendet, aber keine Version im Kanal gefunden.",
                xbmcgui.NOTIFICATION_ERROR,
                5000,
            )
        elif not install_result:
            xbmcgui.Dialog().notification(
                "Updates",
                f"Kanal angewendet, Installation von {target_version} fehlgeschlagen.",
                xbmcgui.NOTIFICATION_ERROR,
                5000,
            )
        elif target_version == installed_version:
            xbmcgui.Dialog().notification(
                "Updates",
                f"Kanal angewendet: {_channel_label(_selected_update_channel())} ({target_version} bereits installiert)",
                xbmcgui.NOTIFICATION_INFO,
                4500,
            )
        else:
            xbmcgui.Dialog().notification(
                "Updates",
                f"Kanal angewendet: {_channel_label(_selected_update_channel())} -> {target_version} installiert",
                xbmcgui.NOTIFICATION_INFO,
                5000,
            )
    _sync_update_version_settings()
    return applied and install_result


def _run_update_check(*, silent: bool = False) -> None:
    """Stoesst Kodi-Repo- und Addon-Updates an."""
    if xbmc is None:  # pragma: no cover - outside Kodi
        return
    try:
        _apply_update_channel(silent=True)
        if not silent:
            builtin = getattr(xbmc, "executebuiltin", None)
            if callable(builtin):
                builtin("ActivateWindow(addonbrowser,addons://updates/)")
        if not silent:
            xbmcgui.Dialog().notification("Updates", "Update-Check gestartet.", xbmcgui.NOTIFICATION_INFO, 4000)
    except Exception as exc:
        _log(f"Update-Pruefung fehlgeschlagen: {exc}", xbmc.LOGWARNING)
        if not silent:
            try:
                xbmcgui.Dialog().notification("Updates", "Update-Check fehlgeschlagen.", xbmcgui.NOTIFICATION_ERROR, 4000)
            except Exception:
                pass


def _show_version_selector() -> None:
    if xbmc is None:  # pragma: no cover - outside Kodi
        return

    info_url = _resolve_update_info_url()
    channel = _selected_update_channel()
    _sync_update_version_settings()

    versions = _fetch_repo_versions(info_url)
    if not versions:
        xbmcgui.Dialog().notification("Updates", "Keine Versionen im Repo gefunden.", xbmcgui.NOTIFICATION_ERROR, 4000)
        return

    installed = _get_setting_string("update_installed_version").strip() or "-"
    options = []
    for version in versions:
        label = version
        if version == installed:
            label = f"{version} (installiert)"
        options.append(label)

    selected = xbmcgui.Dialog().select("Version waehlen", options)
    if selected < 0 or selected >= len(versions):
        return

    version = versions[selected]
    changelog = _fetch_changelog_for_channel(channel, version)
    viewer = getattr(xbmcgui.Dialog(), "textviewer", None)
    if callable(viewer):
        try:
            viewer(f"Changelog {version}", changelog)
        except Exception:
            pass

    dialog = xbmcgui.Dialog()
    try:
        confirm = dialog.yesno(
            "Version installieren",
            f"Version: {version}",
            "Installation jetzt starten?",
            yeslabel="Installieren",
            nolabel="Abbrechen",
        )
    except TypeError:
        confirm = dialog.yesno("Version installieren", f"Version: {version}", "Installation jetzt starten?")
    if not confirm:
        return

    ok = _install_addon_version(info_url, version)
    if ok:
        _sync_update_version_settings()
        xbmcgui.Dialog().notification("Updates", f"Version {version} installiert.", xbmcgui.NOTIFICATION_INFO, 4000)
    else:
        xbmcgui.Dialog().notification("Updates", f"Installation von {version} fehlgeschlagen.", xbmcgui.NOTIFICATION_ERROR, 4500)


def _maybe_run_auto_update_check(action: str | None) -> None:
    action = (action or "").strip()
    # Auto-Check nur beim Root-Menue, nicht in jedem Untermenue.
    if action:
        return
    if not _get_setting_bool("auto_update_enabled", default=False):
        return
    now = int(time.time())
    last = _get_setting_int("auto_update_last_ts", default=0)
    if last > 0 and (now - last) < AUTO_UPDATE_INTERVAL_SEC:
        return
    _set_setting_string("auto_update_last_ts", str(now))
    _run_update_check(silent=True)


def _extract_first_int(value: str) -> int | None:
    match = re.search(r"(\d+)", value or "")
    if not match:
        return None
    try:
        return int(match.group(1))
    except Exception:
        return None


def _label_with_duration(label: str, info_labels: dict[str, str] | None) -> str:
    return label


def _resolveurl_last_error() -> str:
    try:
        from resolveurl_backend import get_last_error  # type: ignore
    except Exception:
        return ""
    try:
        return str(get_last_error() or "")
    except Exception:
        return ""


def _is_cloudflare_challenge_error(message: str) -> bool:
    text = str(message or "").casefold()
    if not text:
        return False
    return "cloudflare" in text or "challenge" in text or "attention required" in text


def _play_final_link(
    link: str,
    *,
    display_title: str | None = None,
    info_labels: dict[str, str] | None = None,
    art: dict[str, str] | None = None,
    cast: list[TmdbCastMember] | None = None,
    resolve_handle: int | None = None,
) -> None:
    list_item = xbmcgui.ListItem(label=display_title or "", path=link)
    try:
        list_item.setProperty("IsPlayable", "true")
    except Exception:
        pass
    merged_info: dict[str, object] = dict(info_labels or {})
    if display_title:
        merged_info["title"] = display_title
    _apply_video_info(list_item, merged_info, cast)
    if art:
        setter = getattr(list_item, "setArt", None)
        if callable(setter):
            try:
                setter(art)
            except Exception:
                pass

    # Bei Plugin-Play-Items sollte Kodi via setResolvedUrl() die Wiedergabe starten.
    # player.play() kann dazu führen, dass Kodi den Item-Callback nochmal triggert (Hoster-Auswahl doppelt).
    resolved = False
    if resolve_handle is not None:
        resolver = getattr(xbmcplugin, "setResolvedUrl", None)
        if callable(resolver):
            try:
                resolver(resolve_handle, True, list_item)
                resolved = True
            except Exception:
                pass

    if not resolved:
        player = xbmc.Player()
        player.play(item=link, listitem=list_item)


def _track_playback_and_update_state_async(key: str) -> None:
    # Eigenes Resume/Watched ist deaktiviert; Kodi verwaltet das selbst.
    return


def _play_episode(
    plugin_name: str,
    title: str,
    season: str,
    episode: str,
    *,
    forced_hoster: str = "",
    episode_url: str = "",
    series_url: str = "",
    resolve_handle: int | None = None,
) -> None:
    episode_url = (episode_url or "").strip()
    if episode_url:
        _play_episode_url(
            plugin_name,
            title=title,
            season_number=_extract_first_int(season) or 0,
            episode_number=_extract_first_int(episode) or 0,
            episode_url=episode_url,
            season_label_override=season,
            episode_label_override=episode,
            resolve_handle=resolve_handle,
        )
        return

    series_url = (series_url or "").strip()
    if series_url:
        plugin_for_url = _discover_plugins().get(plugin_name)
        remember_series_url = getattr(plugin_for_url, "remember_series_url", None) if plugin_for_url is not None else None
        if callable(remember_series_url):
            try:
                remember_series_url(title, series_url)
            except Exception:
                pass

    _log(f"Play anfordern: {plugin_name} / {title} / {season} / {episode}")
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("Wiedergabe", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        return

    available_hosters: list[str] = []
    hoster_getter = getattr(plugin, "available_hosters_for", None)
    if callable(hoster_getter):
        try:
            with _busy_dialog("Hoster werden geladen..."):
                available_hosters = list(hoster_getter(title, season, episode) or [])
        except Exception as exc:
            _log(f"Hoster laden fehlgeschlagen ({plugin_name}): {exc}", xbmc.LOGWARNING)

    selected_hoster: str | None = None
    forced_hoster = (forced_hoster or "").strip()
    if available_hosters:
        if forced_hoster:
            for hoster in available_hosters:
                if hoster.casefold() == forced_hoster.casefold():
                    selected_hoster = hoster
                    break
        if selected_hoster is None and len(available_hosters) == 1:
            selected_hoster = available_hosters[0]
        elif selected_hoster is None:
            selected_index = xbmcgui.Dialog().select("Hoster waehlen", available_hosters)
            if selected_index is None or selected_index < 0:
                _log("Play abgebrochen (kein Hoster gewählt).", xbmc.LOGDEBUG)
                return
            selected_hoster = available_hosters[selected_index]

    # Manche Plugins erlauben (optional) eine temporaere Einschränkung auf einen Hoster.
    preferred_setter = getattr(plugin, "set_preferred_hosters", None)
    restore_hosters: list[str] | None = None
    if selected_hoster and callable(preferred_setter):
        current = getattr(plugin, "_preferred_hosters", None)
        if isinstance(current, list):
            restore_hosters = list(current)
        preferred_setter([selected_hoster])

    try:
        link = plugin.stream_link_for(title, season, episode)
        if not link:
            _log("Kein Stream gefunden.", xbmc.LOGWARNING)
            xbmcgui.Dialog().notification("Wiedergabe", "Kein Stream gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
            return
        _log(f"Stream-Link: {link}", xbmc.LOGDEBUG)
        resolved_link = plugin.resolve_stream_link(link)
        if not resolved_link:
            err = _resolveurl_last_error()
            if _is_cloudflare_challenge_error(err):
                _log(f"ResolveURL Cloudflare-Challenge: {err}", xbmc.LOGWARNING)
                xbmcgui.Dialog().notification(
                    "Wiedergabe",
                    "Hoster durch Cloudflare geschuetzt. Bitte spaeter erneut probieren.",
                    xbmcgui.NOTIFICATION_INFO,
                    4500,
                )
                return
        final_link = resolved_link or link
        final_link = normalize_resolved_stream_url(final_link, source_url=link)
        err = _resolveurl_last_error()
        if _is_cloudflare_challenge_error(err) and final_link.strip() == link.strip():
            _log(f"ResolveURL Cloudflare-Challenge (unresolved): {err}", xbmc.LOGWARNING)
            xbmcgui.Dialog().notification(
                "Wiedergabe",
                "Hoster durch Cloudflare geschuetzt. Bitte spaeter erneut probieren.",
                xbmcgui.NOTIFICATION_INFO,
                4500,
            )
            return
    finally:
        if restore_hosters is not None and callable(preferred_setter):
            preferred_setter(restore_hosters)

    _log(f"Finaler Link: {final_link}", xbmc.LOGDEBUG)
    season_number = _extract_first_int(season)
    episode_number = _extract_first_int(episode)
    if season_number is not None and episode_number is not None:
        display_title = f"{title} - S{season_number:02d}E{episode_number:02d}"
    else:
        display_title = title
    info_labels, art, cast = _tmdb_labels_and_art(title)
    display_title = _label_with_duration(display_title, info_labels)
    _play_final_link(
        final_link,
        display_title=display_title,
        info_labels=info_labels,
        art=art,
        cast=cast,
        resolve_handle=resolve_handle,
    )
    _track_playback_and_update_state_async(
        _playstate_key(plugin_name=plugin_name, title=title, season=season, episode=episode)
    )


def _play_episode_url(
    plugin_name: str,
    *,
    title: str,
    season_number: int,
    episode_number: int,
    episode_url: str,
    season_label_override: str = "",
    episode_label_override: str = "",
    resolve_handle: int | None = None,
) -> None:
    season_label = (season_label_override or "").strip() or (f"Staffel {season_number}" if season_number > 0 else "")
    episode_label = (episode_label_override or "").strip() or (
        f"Episode {episode_number}" if episode_number > 0 else ""
    )
    _log(f"Play (URL) anfordern: {plugin_name} / {title} / {season_label} / {episode_label} / {episode_url}")
    plugin = _discover_plugins().get(plugin_name)
    if plugin is None:
        xbmcgui.Dialog().notification("Wiedergabe", "Quelle nicht gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
        return

    available_hosters: list[str] = []
    hoster_getter = getattr(plugin, "available_hosters_for_url", None)
    if callable(hoster_getter):
        try:
            with _busy_dialog("Hoster werden geladen..."):
                available_hosters = list(hoster_getter(episode_url) or [])
        except Exception as exc:
            _log(f"Hoster laden fehlgeschlagen ({plugin_name}): {exc}", xbmc.LOGWARNING)

    selected_hoster: str | None = None
    if available_hosters:
        if len(available_hosters) == 1:
            selected_hoster = available_hosters[0]
        else:
            selected_index = xbmcgui.Dialog().select("Hoster waehlen", available_hosters)
            if selected_index is None or selected_index < 0:
                _log("Play abgebrochen (kein Hoster gewählt).", xbmc.LOGDEBUG)
                return
            selected_hoster = available_hosters[selected_index]

    preferred_setter = getattr(plugin, "set_preferred_hosters", None)
    restore_hosters: list[str] | None = None
    if selected_hoster and callable(preferred_setter):
        current = getattr(plugin, "_preferred_hosters", None)
        if isinstance(current, list):
            restore_hosters = list(current)
        preferred_setter([selected_hoster])

    try:
        link_getter = getattr(plugin, "stream_link_for_url", None)
        if not callable(link_getter):
            xbmcgui.Dialog().notification("Wiedergabe", "Diese Funktion wird von der Quelle nicht unterstuetzt.", xbmcgui.NOTIFICATION_INFO, 3000)
            return
        link = link_getter(episode_url)
        if not link:
            _log("Kein Stream gefunden.", xbmc.LOGWARNING)
            xbmcgui.Dialog().notification("Wiedergabe", "Kein Stream gefunden.", xbmcgui.NOTIFICATION_INFO, 3000)
            return
        _log(f"Stream-Link: {link}", xbmc.LOGDEBUG)
        resolved_link = plugin.resolve_stream_link(link)
        if not resolved_link:
            err = _resolveurl_last_error()
            if _is_cloudflare_challenge_error(err):
                _log(f"ResolveURL Cloudflare-Challenge: {err}", xbmc.LOGWARNING)
                xbmcgui.Dialog().notification(
                    "Wiedergabe",
                    "Hoster durch Cloudflare geschuetzt. Bitte spaeter erneut probieren.",
                    xbmcgui.NOTIFICATION_INFO,
                    4500,
                )
                return
        final_link = resolved_link or link
        final_link = normalize_resolved_stream_url(final_link, source_url=link)
        err = _resolveurl_last_error()
        if _is_cloudflare_challenge_error(err) and final_link.strip() == link.strip():
            _log(f"ResolveURL Cloudflare-Challenge (unresolved): {err}", xbmc.LOGWARNING)
            xbmcgui.Dialog().notification(
                "Wiedergabe",
                "Hoster durch Cloudflare geschuetzt. Bitte spaeter erneut probieren.",
                xbmcgui.NOTIFICATION_INFO,
                4500,
            )
            return
    finally:
        if restore_hosters is not None and callable(preferred_setter):
            preferred_setter(restore_hosters)

    display_title = f"{title} - S{season_number:02d}E{episode_number:02d}" if season_number and episode_number else title
    info_labels, art, cast = _tmdb_labels_and_art(title)
    info_labels = dict(info_labels or {})
    info_labels.setdefault("mediatype", "episode")
    info_labels.setdefault("tvshowtitle", title)
    if season_number > 0:
        info_labels["season"] = str(season_number)
    if episode_number > 0:
        info_labels["episode"] = str(episode_number)
    display_title = _label_with_duration(display_title, info_labels)
    _play_final_link(
        final_link,
        display_title=display_title,
        info_labels=info_labels,
        art=art,
        cast=cast,
        resolve_handle=resolve_handle,
    )
    _track_playback_and_update_state_async(
        _playstate_key(plugin_name=plugin_name, title=title, season=season_label, episode=episode_label)
    )


def _parse_params() -> dict[str, str]:
    """Parst Kodi-Plugin-Parameter aus `sys.argv[2]`."""
    if len(sys.argv) <= 2 or not sys.argv[2]:
        return {}
    raw_params = parse_qs(sys.argv[2].lstrip("?"), keep_blank_values=True)
    return {key: values[0] for key, values in raw_params.items()}


def run() -> None:
    params = _parse_params()
    action = params.get("action")
    _log(f"Action: {action}", xbmc.LOGDEBUG)
    _maybe_run_auto_update_check(action)
    if action == "search":
        _show_search()
    elif action == "plugin_menu":
        _show_plugin_menu(params.get("plugin", ""))
    elif action == "plugin_search":
        _show_plugin_search(params.get("plugin", ""))
    elif action == "genre_sources":
        _show_genre_sources()
    elif action == "genres":
        _show_genres(params.get("plugin", ""))
    elif action == "categories":
        _show_categories(params.get("plugin", ""))
    elif action == "latest_titles":
        _show_latest_titles(
            params.get("plugin", ""),
            _parse_positive_int(params.get("page", "1"), default=1),
        )
    elif action == "new_titles":
        _show_new_titles(
            params.get("plugin", ""),
            _parse_positive_int(params.get("page", "1"), default=1),
        )
    elif action == "latest_episodes":
        _show_latest_episodes(
            params.get("plugin", ""),
            _parse_positive_int(params.get("page", "1"), default=1),
        )
    elif action == "genre_series":
        _show_genre_series(
            params.get("plugin", ""),
            params.get("genre", ""),
        )
    elif action == "genre_titles_page":
        _show_genre_titles_page(
            params.get("plugin", ""),
            params.get("genre", ""),
            _parse_positive_int(params.get("page", "1"), default=1),
        )
    elif action == "category_titles_page":
        _show_category_titles_page(
            params.get("plugin", ""),
            params.get("category", ""),
            _parse_positive_int(params.get("page", "1"), default=1),
        )
    elif action == "alpha_index":
        _show_alpha_index(params.get("plugin", ""))
    elif action == "alpha_titles_page":
        _show_alpha_titles_page(
            params.get("plugin", ""),
            params.get("letter", ""),
            _parse_positive_int(params.get("page", "1"), default=1),
        )
    elif action == "series_catalog":
        _show_series_catalog(
            params.get("plugin", ""),
            _parse_positive_int(params.get("page", "1"), default=1),
        )
    elif action == "genre_series_group":
        _show_genre_series_group(
            params.get("plugin", ""),
            params.get("genre", ""),
            params.get("group", ""),
            _parse_positive_int(params.get("page", "1"), default=1),
        )
    elif action == "popular":
        _show_popular(
            params.get("plugin") or None,
            _parse_positive_int(params.get("page", "1"), default=1),
        )
    elif action == "settings":
        _open_settings()
    elif action == "check_updates":
        _run_update_check()
    elif action == "apply_update_channel":
        _apply_update_channel()
    elif action == "select_update_version":
        _show_version_selector()
    elif action == "seasons":
        _show_seasons(params.get("plugin", ""), params.get("title", ""), params.get("series_url", ""))
    elif action == "episodes":
        _show_episodes(
            params.get("plugin", ""),
            params.get("title", ""),
            params.get("season", ""),
            params.get("series_url", ""),
        )
    elif action == "play_episode":
        _play_episode(
            params.get("plugin", ""),
            params.get("title", ""),
            params.get("season", ""),
            params.get("episode", ""),
            forced_hoster=params.get("hoster", ""),
            episode_url=params.get("url", ""),
            series_url=params.get("series_url", ""),
            resolve_handle=_get_handle(),
        )
    elif action == "play_movie":
        plugin_name = params.get("plugin", "")
        title = params.get("title", "")
        series_url = params.get("series_url", "")
        if series_url:
            plugin = _discover_plugins().get(plugin_name)
            remember_series_url = getattr(plugin, "remember_series_url", None) if plugin is not None else None
            if callable(remember_series_url):
                try:
                    remember_series_url(title, series_url)
                except Exception:
                    pass
        # Einschalten liefert Filme (keine Staffeln/Episoden). Für Playback nutzen wir:
        # <Titel> -> Stream -> <Titel>.
        if (plugin_name or "").casefold() == "einschalten":
            _play_episode(
                plugin_name,
                title,
                "Stream",
                title,
                resolve_handle=_get_handle(),
            )
        else:
            _play_episode(
                plugin_name,
                title,
                "Film",
                "Stream",
                resolve_handle=_get_handle(),
            )
    elif action == "play_episode_url":
        _play_episode_url(
            params.get("plugin", ""),
            title=params.get("title", ""),
            season_number=_parse_positive_int(params.get("season", "0"), default=0),
            episode_number=_parse_positive_int(params.get("episode", "0"), default=0),
            episode_url=params.get("url", ""),
            resolve_handle=_get_handle(),
        )
    elif action == "play":
        link = params.get("url", "")
        if link:
            _play_final_link(link, resolve_handle=_get_handle())
    else:
        _show_root_menu()


if __name__ == "__main__":
    run()