from __future__ import annotations

from textual.app import ComposeResult
from textual.containers import Horizontal, Vertical
from textual.screen import ModalScreen
from textual.widgets import Button, Input, Label, Select, TextArea


CHANNEL_OPTIONS = [
    ("Telegram", "telegram"),
    ("WhatsApp", "whatsapp"),
    ("SMS", "sms"),
]


class ComposeScreen(ModalScreen[dict | None]):
    """Modal-Dialog für neue ausgehende Nachricht."""

    DEFAULT_CSS = ""

    def compose(self) -> ComposeResult:
        with Vertical(id="compose-dialog"):
            yield Label("Neue Nachricht", id="compose-title")
            yield Label("Kanal:")
            yield Select(
                [(label, value) for label, value in CHANNEL_OPTIONS],
                id="channel-select",
                value="telegram",
            )
            yield Label("Empfänger (Telefon / Telegram-ID):")
            yield Input(placeholder="+49… oder Telegram-Chat-ID", id="recipient-input")
            yield Label("Nachricht:")
            yield TextArea(id="msg-textarea")
            with Horizontal(id="compose-buttons"):
                yield Button("Abbrechen", variant="default", id="btn-cancel")
                yield Button("Senden", variant="primary", id="btn-send")

    def on_button_pressed(self, event: Button.Pressed) -> None:
        if event.button.id == "btn-cancel":
            self.dismiss(None)
            return

        channel = self.query_one("#channel-select", Select).value
        recipient = self.query_one("#recipient-input", Input).value.strip()
        text = self.query_one("#msg-textarea", TextArea).text.strip()

        if not recipient or not text:
            return

        self.dismiss({"channel": channel, "recipient": recipient, "text": text})