name: Build

on: [push, pull_request]

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

    steps:
    - uses: actions/checkout@v1

    - uses: actions/setup-python@v1
      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 wheel
      run: |
        python -m cibuildwheel --output-dir wheelhouse

    - uses: actions/upload-artifact@v1
      with:
        name: wheels
        path: ./wheelhouse

    - name: Publish to PyPI
      if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
      uses: pypa/gh-action-pypi-publish@master #see https://github.com/pypa/gh-action-pypi-publish for setup
      with:
        user: __token__
        password: ${{ secrets.pypi_password }}
        repository_url: https://test.pypi.org/legacy/ #TODO rm this line to use the "real" pypi
        packages_dir: ./wheelhouse/