name: Build
on: [push, pull_request]

jobs:
  build:
    name: Build
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        include:
        # non-testing jobs
        - os: ubuntu-18.04
          python-version: 3.8
          env:
            TOXENV: security
        - os: ubuntu-18.04
          python-version: 3.8
          env:
            TOXENV: flake8
        - os: ubuntu-18.04
          python-version: 3.8
          env:
            TOXENV: pylint
        - os: ubuntu-18.04
          python-version: 3.8
          env:
            TOXENV: typing
        - os: ubuntu-18.04
          python-version: 3.7  # Keep in sync with .readthedocs.yml
          env:
            TOXENV: docs

        # tests
        - os: ubuntu-18.04
          python-version: 3.7
          env:
            TOXENV: py
        - os: ubuntu-18.04
          python-version: 3.8
          env:
            TOXENV: py
        - os: ubuntu-18.04
          python-version: pypy3
          env:
            TOXENV: pypy3
            PYPY_VERSION: 3.6-v7.3.1

        # windows tests
        - os: windows-latest
          python-version: 3.7
          env:
            TOXENV: py
        - os: windows-latest
          python-version: 3.8
          env:
            TOXENV: py

        # pinned deps
        - os: ubuntu-18.04
          python-version: 3.6.12
          env:
            TOXENV: pinned
        - os: ubuntu-18.04
          python-version: 3.6.12
          env:
            TOXENV: asyncio-pinned
        - os: windows-latest
          python-version: 3.6
          env:
            TOXENV: windows-pinned
        - os: ubuntu-18.04
          python-version: pypy3
          env:
            TOXENV: pypy3-pinned
            PYPY_VERSION: 3.6-v7.2.0

        # extras
        - os: ubuntu-18.04
          python-version: 3.8
          env:
            TOXENV: extra-deps
        - os: ubuntu-18.04
          python-version: 3.8
          env:
            TOXENV: asyncio

    steps:
    - uses: actions/checkout@v2

    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v2
      with:
        python-version: ${{ matrix.python-version }}

    - name: Install system libraries
      if: startsWith(matrix.os, 'ubuntu') && (matrix.python-version == 'pypy3' || contains(matrix.env.TOXENV, 'pinned'))
      run: |
        sudo apt-get update
        sudo apt-get install libxml2-dev libxslt-dev

    - name: Run check (windows)
      if: startsWith(matrix.os, 'windows')
      env: ${{ matrix.env }}
      run: |
        pip install -U tox
        tox

    - name: Run check (ubuntu)
      id: ubuntu-tests
      if: startsWith(matrix.os, 'ubuntu')
      env: ${{ matrix.env }}
      run: |
        if [[ ! -z "$PYPY_VERSION" ]]; then
          export PYPY_VERSION="pypy$PYPY_VERSION-linux64"
          wget "https://downloads.python.org/pypy/${PYPY_VERSION}.tar.bz2"
          tar -jxf ${PYPY_VERSION}.tar.bz2
          $PYPY_VERSION/bin/pypy3 -m venv "$HOME/virtualenvs/$PYPY_VERSION"
          source "$HOME/virtualenvs/$PYPY_VERSION/bin/activate"
        fi
        pip install -U tox
        tox
        if [ -f "coverage.xml" ]; then
          echo ::set-output name=upload_coverage_report::true
        fi

    - name: Upload coverage report
      if: steps.ubuntu-tests.outputs.upload_coverage_report == 'true'
      run: bash <(curl -s https://codecov.io/bash)

  publish:
    name: "Publish package to PyPI"
    runs-on: ubuntu-18.04
    needs: [build]
    if: startsWith(github.event.ref, 'refs/tags/')

    steps:
    - uses: actions/checkout@v2

    - name: Set up Python 3.8
      uses: actions/setup-python@v2
      with:
        python-version: 3.8

    - name: Check Tag
      id: check-release-tag
      run: |
        if [[ ${{ github.event.ref }} =~ ^refs/tags/[0-9]+[.][0-9]+[.][0-9]+(rc[0-9]+|[.]dev[0-9]+)?$ ]]; then
          echo ::set-output name=release_tag::true
        fi

    - name: Publish to PyPI
      if: steps.check-release-tag.outputs.release_tag == 'true'
      run: |
        pip install --upgrade setuptools wheel twine
        python setup.py sdist bdist_wheel
        export TWINE_USERNAME=__token__
        export TWINE_PASSWORD=${{ secrets.PYPI_TOKEN }}
        twine upload dist/*