name: Tests

on: [push, pull_request]

jobs:
  lint:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3

    - name: Set up Python 3.12
      uses: actions/setup-python@v4
      with:
        python-version: 3.12

    - name: Configure pip caching
      uses: actions/cache@v3
      with:
        path: ~/.cache/pip
        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt')}}-${{ hashFiles('**/requirements-dev.txt') }}

    - name: Install Python dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt
        pip install -r requirements-dev.txt

    - name: Validate against psf/black
      run: python -m black --check pdfplumber tests

    - name: Validate against isort
      run: python -m isort --profile black --check-only pdfplumber tests

    - name: Validate against flake8
      run: python -m flake8 pdfplumber tests

    - name: Check type annotations via mypy
      run: python -m mypy --strict --implicit-reexport pdfplumber

  test:
    needs: lint
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.9", "3.10", "3.11", "3.12"]

    steps:
    - uses: actions/checkout@v3

    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v4
      with:
        python-version: ${{ matrix.python-version }}

    - name: Install ghostscript
      run: sudo apt update && sudo apt install ghostscript

    - name: Configure pip caching
      uses: actions/cache@v3
      with:
        path: ~/.cache/pip
        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt')}}-${{ hashFiles('**/requirements-dev.txt') }}

    - name: Install Python dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt
        pip install -r requirements-dev.txt

    - name: Run tests
      run: |
        python -m pytest --workers auto
        python -m coverage html

    - name: Upload code coverage
      uses: codecov/codecov-action@v3
      if: matrix.python-version == 3.9

    - name: Build package
      run: python setup.py build sdist