name: tests

on:
  push:
    branches:
    - main
    tags:
    - v*
  pull_request:
  schedule:
    - cron: '14 7 * * 0'  # run once a week on Sunday
  workflow_dispatch:

jobs:
  run-tests:
    strategy:
      matrix:
        config:
        # [Python version, tox env]
        - ["3.7",   "py37"]
        - ["3.8",   "py38"]
        - ["3.9",   "py39"]
        - ["3.10",  "py310"]
        - ["pypy-3.9", "pypy3"]
        - ["3.10",  "docs"]
        - ["3.11",  "py311"]

    runs-on: ubuntu-latest
    name: ${{ matrix.config[1] }}
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: ${{ matrix.config[0] }}
        # for caching, see
        # https://github.com/actions/setup-python/blob/main/docs/advanced-usage.md#caching-packages
        cache: 'pip'
        cache-dependency-path: |
          setup.*
          tox.ini
          requirements*.txt
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install tox coveralls coverage-python-version
    - name: Test
      run: tox -e ${{ matrix.config[1] }}
    - name: Upload coverage data to coveralls.io
      run: coveralls --service=github-actions || true
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        COVERALLS_REPO_TOKEN: ${{ secrets.CODECOV_TOKEN }}
        COVERALLS_FLAG_NAME: ${{ matrix.config[1] }}
        COVERALLS_PARALLEL: true

  coverage:
    # parallel test coverage upload
    # see https://coveralls-python.readthedocs.io/en/latest/usage/configuration.html#github-actions-support
    name: Submit test coverage
    needs: run-tests
    runs-on: ubuntu-latest
    container: python:3-slim
    steps:
    - name: Coverage
      run: coveralls --service=github-actions --finish || true
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        COVERALLS_REPO_TOKEN: ${{ secrets.CODECOV_TOKEN }}

  deploy-tag-to-pypi:
    # only deploy on tags, see https://stackoverflow.com/a/58478262/1320237
    if: startsWith(github.ref, 'refs/tags/v')
    needs:
    - run-tests
    runs-on: ubuntu-latest
    # This environment stores the TWINE_USERNAME and TWINE_PASSWORD
    # see https://docs.github.com/en/actions/deployment/targeting-different-environments/using-environments-for-deployment
    environment:
      name: PyPI
      url: https://pypi.org/project/icalendar/
    # after using the environment, we need to make the secrets available
    # see https://docs.github.com/en/actions/security-guides/encrypted-secrets#example-using-bash
    env:
      TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
      TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
    steps:
    - uses: actions/checkout@v4
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: "3.9"
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install wheel twine
    - name: Check the tag
      run: |
        PACKAGE_VERSION=`python setup.py --version`
        TAG_NAME=v$PACKAGE_VERSION
        echo "Package version $PACKAGE_VERSION with possible tag name $TAG_NAME on $GITHUB_REF_NAME"
        # test that the tag represents the version
        # see https://docs.github.com/en/actions/learn-github-actions/environment-variables
        if [ "$TAG_NAME" != "$GITHUB_REF_NAME" ]; then
          echo "ERROR: This tag is for the wrong version. Got \"$GITHUB_REF_NAME\" expected \"$TAG_NAME\"."
          exit 1
        fi
    - name: remove old files
      run: rm -rf dist/*
    - name: build distribution files
      run: python setup.py bdist_wheel sdist
    - name: deploy to pypi
      run: |
        # You will have to set the variables TWINE_USERNAME and TWINE_PASSWORD
        # You can use a token specific to your project by setting the user name to
        # __token__ and the password to the token given to you by the PyPI project.
        # sources:
        #   - https://shambu2k.hashnode.dev/gitlab-to-pypi
        #   - http://blog.octomy.org/2020/11/deploying-python-pacakges-to-pypi-using.html?m=1
        if [ -z "$TWINE_USERNAME" ]; then
          echo "WARNING: TWINE_USERNAME not set!"
        fi
        if [ -z "$TWINE_PASSWORD" ]; then
          echo "WARNING: TWINE_PASSWORD not set!"
        fi
        twine check dist/*
        twine upload dist/*

  deploy-github-release:
    # only deploy on tags, see https://stackoverflow.com/a/58478262/1320237
    if: startsWith(github.ref, 'refs/tags/v')
    needs:
      - run-tests
    runs-on: ubuntu-latest
    environment:
      name: github-release
    steps:
      - uses: actions/checkout@v4
      - name: create release
        uses: ncipollo/release-action@v1