name: CI

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

jobs:
  test-linux:
    name: Tests (Linux, Python ${{ matrix.python-version }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.9", "3.11", "3.12"]
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          cache: pip
          cache-dependency-path: |
            requirements.txt
            requirements-dev.txt

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

      - name: Syntax check
        run: |
          python -m py_compile tagsync.py
          python -c "import pathlib, py_compile; [py_compile.compile(str(p), doraise=True) for p in pathlib.Path('tagsync').rglob('*.py')]"

      - name: CLI smoke test
        run: |
          python tagsync.py --help
          python tagsync.py status

      - name: Run tests with coverage
        run: |
          pytest --cov=tagsync --cov-report=term-missing --cov-report=xml

      - name: Upload coverage artifact
        if: matrix.python-version == '3.12'
        uses: actions/upload-artifact@v3
        with:
          name: coverage-xml
          path: coverage.xml
          retention-days: 14

  test-macos:
    name: Tests (macOS)
    runs-on: macos-latest
    # macOS runners are more expensive — only run on main-branch pushes
    # and PRs that touch platform_macos.py or core logic.
    if: github.event_name == 'push' || contains(github.event.pull_request.labels.*.name, 'platform')
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Install dependencies
        run: pip install -r requirements-dev.txt

      - name: Run tests
        run: pytest -v

  test-windows:
    name: Tests (Windows)
    runs-on: windows-latest
    if: github.event_name == 'push' || contains(github.event.pull_request.labels.*.name, 'platform')
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Install dependencies
        run: pip install -r requirements-dev.txt

      - name: Run tests
        run: pytest -v