name: Continuous integration

on:
  push: # run when commits are added to master
    branches:
      - master
    tags:
      - [ 0-9 ]{ 8 }  # match version tags with format like 20220319
  pull_request: # run on pr's against master
    branches:
      - master

env:
  default-python: "3.10"

jobs:

  check-code-formatting:
    name: Check code formatting
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Check code formatting
        uses: psf/black@stable

  check-coding-style:
    name: Check coding style
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Set up Python ${{ env.default-python }}
        uses: actions/setup-python@v2
        with:
          python-version: ${{ env.default-python }}
      - name: Upgrade pip, Install nox
        run: |
          python -m pip install --upgrade pip
          python -m pip install nox
      - name: Check coding style
        run: |
          nox --error-on-missing-interpreters --non-interactive --session lint

  check-static-types:
    name: Check static types
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Set up Python ${{ env.default-python }}
        uses: actions/setup-python@v2
        with:
          python-version: ${{ env.default-python }}
      - name: Upgrade pip, Install nox
        run: |
          python -m pip install --upgrade pip
          python -m pip install nox
      - name: Check static types
        run: |
          nox --error-on-missing-interpreters --non-interactive --session types

  tests:
    name: Run tests
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ ubuntu-latest ]
        python-version: [ "3.6", "3.7", "3.8", "3.9", "3.10" ]
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}
      - name: Determine pip cache directory
        id: pip-cache
        run: |
          echo "::set-output name=dir::$(pip cache dir)"
      - name: Cache pip cache
        uses: actions/cache@v2
        with:
          path: ${{ steps.pip-cache.outputs.dir }}
          key: ${{ runner.os }}-pip${{ matrix.python-version }}
      - name: Upgrade pip and install nox
        run: |
          python -m pip install --upgrade pip
          python -m pip install nox
      - name: Run tests
        run: |
          nox --non-interactive --session tests-${{ matrix.python-version }}

  build-docs:
    name: Test building docs
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Set up Python ${{ env.default-python }}
        uses: actions/setup-python@v2
        with:
          python-version: ${{ env.default-python }}
      - name: Upgrade pip and install nox
        run: |
          python -m pip install --upgrade pip
          python -m pip install nox
      - name: Build docs
        run: |
          nox --error-on-missing-interpreters --non-interactive --session docs

  publish:
    name: Publish to PyPi
    runs-on: ubuntu-latest
    needs:
      - check-code-formatting
      - check-coding-style
      - check-static-types
      - tests
      - build-docs
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Install dependencies
        run: python -m pip install wheel
      - name: Set version
        run: |
          if [[ "${{ github.ref }}" == "refs/tags/"* ]]
          then
            VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,' | sed -e 's/^v//')
          else
            VERSION=$(date +%Y%m%d).$(date +%H%M%S)
          fi
          echo ${VERSION}
          sed -i "s/__VERSION__/${VERSION}/g" pdfminer/__init__.py
      - name: Build package
        run: python setup.py sdist bdist_wheel
      - name: Generate changelog
        run: sed '1,/## \[/d;/## \[/Q' CHANGELOG.md > ${{ github.workspace }}-CHANGELOG.md
      - name: Publish package to PyPi
        if: startsWith(github.ref, 'refs/tags')
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          user: __token__
          password: ${{ secrets.PYPI_API_TOKEN }}
      - name: Create GitHub release
        if: startsWith(github.ref, 'refs/tags')
        uses: softprops/action-gh-release@v1
        id: create_release
        with:
          token: ${{ secrets.GITHUB_TOKEN }} # This token is provided by Actions, you do not need to create your own token
          body_path: ${{ github.workspace }}-CHANGELOG.md
          files: |
            dist/*.tar.gz
            dist/*.whl