name: check
on:
  push:
  pull_request:
  schedule:
  - cron:  '0 8 * * *'

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - uses: actions/setup-python@v2
    - name: set PY
      run: echo "::set-env name=PY::$(python -c 'import hashlib, sys;print(hashlib.sha256(sys.version.encode()+sys.executable.encode()).hexdigest())')"
    - uses: actions/cache@v2
      with:
        path: ~/.cache/pre-commit
        key: pre-commit|${{ env.PY }}|${{ hashFiles('.pre-commit-config.yaml') }}
    - uses: pre-commit/action@v1.1.0

  test:
    name: test ${{ matrix.py }} - ${{ matrix.os }}
    runs-on: ${{ matrix.os }}-latest
    strategy:
      fail-fast: false
      matrix:
        os:
        - Ubuntu
        - Windows
        - MacOs
        py:
        - 3.8
        - 3.7
        - 3.6
        - 3.5
        - pypy3
        - 2.7
        - pypy2
        include:
        - {os: MacOs, py: brew@py3}
        - {os: MacOs, py: brew@py2}
        - {os: Ubuntu, py: 3.9-dev}
    steps:
    - name: install OS dependencies
      run:   |
        ${{ runner.os == 'Linux' && 'sudo apt-get update -y && sudo apt-get install fish csh' || true}}
        ${{ runner.os == 'macOS' && 'brew update -vvv && brew install fish tcsh' || true}}
        ${{ runner.os == 'Windows' && ( matrix.py == '2.7' || matrix.py == 'pypy2' ) && 'choco install vcpython27 --yes -f' || true }}
      shell: bash
    - name: setup python for tox
      uses: actions/setup-python@v2
      with:
        python-version: 3.8
    - name: install tox
      run: python -m pip install tox
    - uses: actions/checkout@v2
    - name: use local virtualenv for tox
      run: python -m pip install .
    - name: setup python for test ${{ matrix.py }}
      if: "!( startsWith(matrix.py,'brew@py') || endsWith(matrix.py, '-dev') )"
      uses: actions/setup-python@v2
      with:
        python-version: ${{ matrix.py }}
    - name: setup DEV python for test ${{ matrix.py }}
      uses: deadsnakes/action@v1.0.0
      if: endsWith(matrix.py, '-dev')
      with:
        python-version: ${{ matrix.py }}
    - name: setup brew python for test ${{ matrix.py }}
      if: startsWith(matrix.py,'brew@py')
      run: |
        import os; import subprocess
        version = "${{matrix.py}}"[-1]
        subprocess.check_call(["bash", "-c", f"brew list python@{version} && brew upgrade python@{version} || brew install python@{version}"])
        print(f"::add-path::/usr/local/opt/python@{version}")
      shell: python
    - name: pick environment to run
      run: |
        import subprocess; import json
        major, minor, impl = json.loads(subprocess.check_output(["python", "-c", "import json; import sys; import platform; print(json.dumps([sys.version_info[0], sys.version_info[1], platform.python_implementation()]));"], universal_newlines=True))
        print('::set-env name=TOXENV::' + ("py" if impl == "CPython" else "pypy") + ("{}{}".format(major, minor) if impl == "CPython" else ("3" if major == 3 else "")))
      shell: python
    - name: setup test suite
      run: tox -vv --notest
    - name: run test suite
      run: tox --skip-pkg-install
      env:
        PYTEST_ADDOPTS: "-vv --durations=20"
        CI_RUN: 'yes'
        DIFF_AGAINST: HEAD
    - name: rename coverage report file
      run: |
        import os; os.rename('.tox/coverage.{}.xml'.format(os.environ['TOXENV']), '.tox/coverage.xml')
      shell: python
    - uses: codecov/codecov-action@v1
      with:
        file: ./.tox/coverage.xml
        flags: tests
        name: ${{ matrix.py }} - ${{ matrix.os }}

  check:
    name: check ${{ matrix.tox_env }} - ${{ matrix.os }}
    runs-on: ${{ matrix.os }}-latest
    strategy:
      fail-fast: false
      matrix:
        os:
        - Ubuntu
        - Windows
        tox_env:
        - dev
        - docs
        - readme
        - upgrade
        - zipapp
        exclude:
        - {os: Windows, tox_env: readme}
        - {os: Windows, tox_env: docs}
    steps:
    - uses: actions/checkout@v2
    - name: setup Python 3.8
      uses: actions/setup-python@v2
      with:
        python-version: 3.8
    - name: install tox
      run: python -m pip install tox
    - name: run check for ${{ matrix.tox_env }}
      run: python -m tox -e ${{ matrix.tox_env }}
      env:
        UPGRADE_ADVISORY: 'yes'

  publish:
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
    needs: [check, test, lint]
    runs-on: ubuntu-latest
    steps:
    - name: setup python to build package
      uses: actions/setup-python@v2
      with:
        python-version: 3.8
    - name: install pep517
      run: python -m pip install pep517
    - uses: actions/checkout@v2
    - name: build package
      run: python -m pep517.build -s -b . -o dist
    - name: publish to PyPi
      uses: pypa/gh-action-pypi-publish@master
      with:
        skip_existing: true
        user: __token__
        password: ${{ secrets.pypi_password }}