name: Build and upload to PyPI

on: [push, pull_request, release]

jobs:
  build_wheels:
    name: Build wheels on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-18.04, windows-latest, macos-latest]

    steps:
    - uses: actions/checkout@v2

    - uses: actions/setup-python@v2
      name: Install Python
      with:
        python-version: '3.7'

    - name: Install cibuildwheel
      run: |
        python -m pip install cibuildwheel==1.4.2

    - name: Install Visual C++ for Python 2.7
      if: startsWith(matrix.os, 'windows')
      run: |
        choco install vcpython27 -f -y

    - name: Build wheels
      run: |
        python -m cibuildwheel --output-dir wheelhouse

    - uses: actions/upload-artifact@v2
      with:
        path: ./wheelhouse

  build_sdist:
    name: Build source distribution
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2

    - uses: actions/setup-python@v2
      name: Install Python
      with:
        python-version: '3.7'

    - name: Build sdist
      run: python setup.py sdist -d wheelhouse/

    - uses: actions/upload-artifact@v2
      with:
        path: wheelhouse/*.tar.gz

  upload_pypi:
    needs: [build_wheels, build_sdist]
    runs-on: ubuntu-latest

    steps:
    - uses: actions/setup-python@v2
      with:
        python-version: "3.8"

    - name: Install dependencies
      run: python -m pip install twine

    - uses: actions/download-artifact@v2
      with:
        name: artifact
        path: wheelhouse

    - run: twine check wheelhouse/*

    - uses: pypa/gh-action-pypi-publish@master
      with:
        user: __token__
        password: ${{ secrets.pypi_password }}
        packages_dir: ./wheelhouse/
        # To test: repository_url: https://test.pypi.org/legacy/
      if: github.event_name == 'release' && github.event.action == 'published'