name: Deploy Documentation
on:
  push:
    branches:
      - main
    paths:
      - 'docs/**'
      - 'mkdocs.yml'
      - '.github/workflows/docs.yml'
  pull_request:
    branches:
      - main
    paths:
      - 'docs/**'
      - 'mkdocs.yml'
  workflow_dispatch: # Allow manual trigger
permissions:
  contents: write
jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'
      - name: Install dependencies
        run: |
          pip install mkdocs-material mkdocstrings[python] pymdown-extensions
      - name: Build documentation
        run: |
          mkdocs build
      - name: Deploy to GitHub Pages (docs/ subdirectory)
        if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/video/Sana-video')
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"

          # Save the built site
          mv site /tmp/site

          # Switch to page branch (where GitHub Pages is configured)
          git fetch origin page:page
          git checkout page

          # Remove old docs/ and copy new content
          rm -rf docs/
          mkdir -p docs/
          cp -r /tmp/site/* docs/

          # Commit and push
          git add docs/
          git commit -m "Deploy documentation to /docs/" || echo "No changes to commit"
          git push origin page