name: Generate Doxygen Documentation

on:
  schedule:
    - cron: '0 0 * * 1'  # Every Monday at midnight UTC
  workflow_dispatch:      # Manual trigger

concurrency:
  group: ${{ github.workflow }}
  cancel-in-progress: true

jobs:
  build-and-deploy:
    name: Build and Deploy Docs
    runs-on: ubuntu-latest
    # Only run on main branch of the main repository
    if: github.repository == 'OrcaSlicer/OrcaSlicer' && github.ref == 'refs/heads/main'
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Install Doxygen and Graphviz
        run: |
          sudo apt-get update
          sudo apt-get install -y doxygen graphviz

      - name: Generate documentation
        run: |
          # Override DOT_NUM_THREADS to avoid parallel dot race condition bug
          sed -i 's/^DOT_NUM_THREADS.*/DOT_NUM_THREADS = 1/' .doxygen
          doxygen .doxygen
          # Verify documentation was generated
          if [ ! -f "internal_docs/index.html" ]; then
            echo "Error: Documentation generation failed - index.html not found"
            exit 1
          fi

      - name: Deploy to Cloudflare Pages
        uses: cloudflare/wrangler-action@v3
        with:
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          command: pages deploy internal_docs --project-name=orcaslicer-internals