---
name: CI

on:
  push:
    branches: ["main"]
  pull_request:
    branches: ["main"]
  workflow_dispatch:

jobs:
  tests:
    name: "Python ${{ matrix.python-version }} on ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest]
        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "pypy3.9"]

    steps:
      - uses: "actions/checkout@v4"

      - uses: hynek/setup-cached-uv@v2
      - uses: extractions/setup-just@v3

      - name: "Run tox targets for ${{ matrix.python-version }}"
        env:
          V: ${{ matrix.python-version }}
        run: "uv run --group tox tox -e py$(echo $V | tr -d . | sed 's/^py//')"

      - name: "Lint"
        if: matrix.python-version == '3.13' && runner.os == 'Linux'
        run: "uv run --group tox tox -e lint"

      - name: "Upload coverage data"
        uses: "actions/upload-artifact@v4"
        with:
          name: coverage-data-${{ matrix.python-version }}
          path: ".coverage.*"
          if-no-files-found: "ignore"
          include-hidden-files: true
        if: runner.os == 'Linux'

  coverage:
    name: "Combine & check coverage."
    needs: "tests"
    runs-on: "ubuntu-latest"

    steps:
      - uses: "actions/checkout@v4"
      - uses: hynek/setup-cached-uv@v2

      - uses: "actions/download-artifact@v4"
        with:
          pattern: "coverage-data-*"
          merge-multiple: true

      - name: "Combine coverage"
        run: |
          uv sync --group test --python 3.13
          uv run coverage combine
          uv run coverage html --skip-covered --skip-empty
          uv run coverage json

          # Report and write to summary.
          uv run coverage report | sed 's/^/    /' >> $GITHUB_STEP_SUMMARY

          export TOTAL=$(python -c "import json;print(json.load(open('coverage.json'))['totals']['percent_covered_display'])")
          echo "total=$TOTAL" >> $GITHUB_ENV

      - name: "Upload HTML report."
        uses: "actions/upload-artifact@v4"
        with:
          name: "html-report"
          path: "htmlcov"

      - name: "Make badge"
        if: github.ref == 'refs/heads/main'
        uses: "schneegans/dynamic-badges-action@v1.4.0"
        with:
          # GIST_TOKEN is a GitHub personal access token with scope "gist".
          auth: ${{ secrets.GIST_TOKEN }}
          gistID: 882f02e3df32136c847ba90d2688f06e
          filename: covbadge.json
          label: Coverage
          message: ${{ env.total }}%
          minColorRange: 50
          maxColorRange: 90
          valColorRange: ${{ env.total }}

  package:
    name: "Build & verify package"
    runs-on: "ubuntu-latest"

    steps:
      - uses: "actions/checkout@v4"
      - uses: hynek/setup-cached-uv@v2

      - name: "Build package"
        run: "uv build"
      - name: "List result"
        run: "ls -l dist"
      - name: "Check wheel contents"
        run: "uvx check-wheel-contents dist/*.whl"
      - name: "Check long_description"
        run: "uvx twine check dist/*"
