name: Docs

on:
  push:
    branches: [master, main]
    tags:
      - 'v*'
  pull_request:

jobs:
  docs:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.12'
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt
    - name: Build pycapnp and install
      run: |
        python setup.py build
        pip install .
    - name: Build documentation
      run: |
        sphinx-build docs build/html
    - name: Upload documentation artifact
      uses: actions/upload-artifact@v4
      with:
        name: html-docs
        path: build/html

  deploy:
    needs: docs
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.12'
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt
    - name: Build pycapnp and install
      run: |
        python setup.py build
        pip install .
    - name: Build documentation
      run: |
        sphinx-build docs build/html
        touch build/html/.nojekyll
    - name: Deploy to gh-pages
      uses: peaceiris/actions-gh-pages@v4
      with:
        github_token: ${{ secrets.GITHUB_TOKEN }}
        publish_dir: ./build/html
        publish_branch: gh-pages