name: Build Docs
on:
  pull_request:
    branches:
    - main
  push:
    branches:
    - main
jobs:
  build:
    name: Build docs
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v3

    - name: Setup Lua
      uses: leafo/gh-actions-lua@v8
      with:
        luaVersion: 5.4

    - name: Setup Lua Rocks
      uses: leafo/gh-actions-luarocks@v4

    - name: Install LDoc
      run: luarocks install ldoc

    - name: Create docs directory
      run: mkdir -p docs

    - name: Build docs
      run: |
        ldoc .
        ls -la docs || echo "Docs directory is empty"
        if [ ! -d "docs" ] || [ -z "$(ls -A docs)" ]; then
          echo "Documentation generation failed or produced no files"
          exit 1
        fi

    - name: Deploy
      if: success() && github.event_name == 'push' && github.ref == 'refs/heads/main'
      uses: peaceiris/actions-gh-pages@v3
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        publish_dir: ./docs
        force_orphan: true