name: PR Checks

on:
  pull_request:
    branches: [main]
    types: [opened, synchronize, reopened]

jobs:
  test-validation:
    name: Test Validation
    runs-on: ubuntu-latest

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

      - name: Set up Python 3.13
        uses: actions/setup-python@v5
        with:
          python-version: "3.13"

      - name: Install uv
        uses: astral-sh/setup-uv@v4
        with:
          enable-cache: true

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

      - name: Run unit tests with strict requirements
        id: unit_tests
        run: |
          uv run pytest tests/ -v \
            -m "not requires_opensearch and not requires_langflow" \
            --cov=src \
            --cov-report=term-missing \
            --cov-report=xml \
            --cov-fail-under=1 \
            --tb=short

      - name: Test Summary
        if: always()
        run: |
          if [ "${{ steps.unit_tests.outcome }}" == "success" ]; then
            echo "✅ All unit tests passed"
            echo "PR is ready for review"
          else
            echo "❌ Tests failed"
            echo "Please fix failing tests before merging"
            exit 1
          fi

      - name: Comment PR with results
        if: always() && github.event_name == 'pull_request'
        uses: actions/github-script@v7
        with:
          script: |
            const outcome = '${{ steps.unit_tests.outcome }}';
            const icon = outcome === 'success' ? '✅' : '❌';
            const status = outcome === 'success' ? 'passed' : 'failed';

            const body = `## ${icon} Test Results

            Unit tests ${status}!

            - Python Version: 3.13
            - Tests Run: Unit tests (excluding integration)
            - Status: ${status}

            ${outcome === 'success' ? '✅ Ready for merge' : '❌ Please fix failing tests'}
            `;

            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: body
            });

  code-quality:
    name: Code Quality
    runs-on: ubuntu-latest

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

      - name: Set up Python 3.13
        uses: actions/setup-python@v5
        with:
          python-version: "3.13"

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

      - name: Install dependencies
        run: |
          uv sync --extra dev
          uv pip install ruff

      - name: Run ruff linter
        run: |
          uv run ruff check src/ tests/ --output-format=github
        continue-on-error: true

  pr-validation:
    name: PR Validation
    runs-on: ubuntu-latest
    needs: [test-validation, code-quality]
    if: always()

    steps:
      - name: Check all jobs
        run: |
          if [ "${{ needs.test-validation.result }}" != "success" ]; then
            echo "❌ Test validation failed"
            exit 1
          fi

          echo "✅ All PR checks passed"
          echo "This PR is ready to be merged to main"