name: Build wheels

on:
  push:
    tags:
      - '*'
  workflow_dispatch:

jobs:
  sdist:
    name: Build source distribution and architecture-independent wheel
    runs-on: ubuntu-latest
    steps:
    - name: Check out repository
      uses: actions/checkout@v4
    - name: Install Python 3.x
      uses: actions/setup-python@v4
      with:
        python-version: 3.x
    - name: Build sdist
      run: python setup.py sdist
    - name: Save sdist
      uses: actions/upload-artifact@v3
      with:
        path: dist/*.tar.gz
    - name: Install wheel
      run: pip install wheel
    - name: Build wheel
      env:
        BUILD_EXTENSION: no
      run: python setup.py bdist_wheel
    - name: Save wheel
      uses: actions/upload-artifact@v3
      with:
        path: dist/*.whl

  wheels:
    name: Build architecture-specific wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os:
          - ubuntu-latest
          - windows-latest
          - macOS-latest
    steps:
    - name: Check out repository
      uses: actions/checkout@v4
    - name: Install Python 3.x
      uses: actions/setup-python@v4
      with:
        python-version: 3.x
    - name: Set up QEMU
      if: runner.os == 'Linux'
      uses: docker/setup-qemu-action@v3
      with:
        platforms: all
    - name: Build wheels
      uses: pypa/cibuildwheel@v2.16.2
      env:
        BUILD_EXTENSION: yes
    - name: Save wheels
      uses: actions/upload-artifact@v3
      with:
        path: wheelhouse/*.whl

  release:
    name: Release
    needs:
      - sdist
      - wheels
    runs-on: ubuntu-latest
    # Don't release when running the workflow manually from GitHub's UI.
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
    steps:
      - name: Download artifacts
        uses: actions/download-artifact@v3
        with:
          name: artifact
          path: dist
      - name: Upload to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          password: ${{ secrets.PYPI_API_TOKEN }}
      - name: Create GitHub release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh release create ${{ github.ref_name }} --notes "See https://websockets.readthedocs.io/en/stable/project/changelog.html for details."