name: Unit Tests

on:
  pull_request:
    types: [opened, ready_for_review, synchronize]
    paths:
      - 'src/langbot/**'
      - 'tests/**'
      - '.github/workflows/run-tests.yml'
      - 'pyproject.toml'
      - 'uv.lock'
      - 'run_tests.sh'
      - 'scripts/test-*.sh'
  push:
    branches:
      - master
      - develop
    paths:
      - 'src/langbot/**'
      - 'tests/**'
      - '.github/workflows/run-tests.yml'
      - 'pyproject.toml'
      - 'uv.lock'
      - 'run_tests.sh'
      - 'scripts/test-*.sh'

jobs:
  test:
    name: Unit Tests
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ['3.11', '3.12', '3.13']
      fail-fast: false

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install uv
        uses: astral-sh/setup-uv@v4

      - name: Install dependencies
        run: uv sync --dev

      - name: Run unit + smoke tests
        run: uv run pytest tests/unit_tests/ tests/smoke/ -q --tb=short

      - name: Test Summary
        if: always()
        run: |
          echo "## Unit Tests Results" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "Python Version: ${{ matrix.python-version }}" >> $GITHUB_STEP_SUMMARY
          echo "Test Status: ${{ job.status }}" >> $GITHUB_STEP_SUMMARY

  integration:
    name: Fast Integration Tests
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Install uv
        uses: astral-sh/setup-uv@v4

      - name: Install dependencies
        run: uv sync --dev

      - name: Run fast integration tests
        run: uv run pytest tests/integration/ -m "not slow" -q --tb=short

      - name: Integration Test Summary
        if: always()
        run: |
          echo "## Integration Tests Results" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "Test Status: ${{ job.status }}" >> $GITHUB_STEP_SUMMARY

  coverage:
    name: Coverage Gate
    runs-on: ubuntu-latest
    needs: [test, integration]

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Install uv
        uses: astral-sh/setup-uv@v4

      - name: Install dependencies
        run: uv sync --dev

      - name: Run coverage (unit + smoke)
        run: |
          uv run pytest tests/unit_tests/ tests/smoke/ \
            --cov=langbot \
            --cov-report=xml \
            --cov-report=term-missing \
            --cov-fail-under=18 \
            -q --tb=short

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v5
        with:
          files: ./coverage.xml
          flags: unit-tests
          name: coverage-report
          fail_ci_if_error: false
        env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

      - name: Coverage Summary
        if: always()
        run: |
          echo "## Coverage Results" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "Threshold: 18%" >> $GITHUB_STEP_SUMMARY
          echo "Status: ${{ job.status }}" >> $GITHUB_STEP_SUMMARY