name: Documentation

on: [push, pull_request]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - name: Doxygen Action
      uses: mattnotmitt/doxygen-action@1.9.4
      with:
        working-directory: "doc/"

    - name: Build Sphinx documentation
      run: |
        pip install -r doc/requirements.txt
        sphinx-build doc/source/ ./doc/build/html/

    - name: Upload artifact
      # Automatically uploads an artifact from the './_site' directory by default
      uses: actions/upload-pages-artifact@v1
      with:
        path: doc/build/html/

  deploy:
    if: github.ref == 'refs/heads/master'
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pages: write
      id-token: write
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v1