name: Test Coverage

on:
  pull_request:
    branches:
      - main
  push:
    branches:
      - main
  schedule:
    # Run weekly on Sundays at 00:00 UTC
    - cron: '0 0 * * 0'
  workflow_dispatch:

env:
  NODE_VERSION: '20'
  PNPM_VERSION: '9.15.0'
  TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
  TURBO_TEAM: ${{ secrets.TURBO_TEAM }}

jobs:
  test-coverage:
    name: Test Coverage
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: ${{ env.PNPM_VERSION }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build shared packages
        run: pnpm run build:packages

      - name: Run tests with coverage
        run: pnpm run test --coverage || echo "Some tests failed"
        continue-on-error: true

      - name: Collect coverage reports
        run: |
          # Find all coverage directories
          find . -type d -name coverage \( -path "*/apps/*/apps/*" -o -path "*/services/*" \) > coverage_dirs.txt

          # Create combined coverage directory
          mkdir -p coverage-combined

          # Copy all coverage files
          while IFS= read -r dir; do
            if [ -f "$dir/coverage-final.json" ]; then
              PROJECT=$(echo $dir | sed 's|./apps/||' | sed 's|./services/||' | sed 's|/coverage||' | tr '/' '-')
              cp "$dir/coverage-final.json" "coverage-combined/coverage-$PROJECT.json"
            fi
          done < coverage_dirs.txt

      - name: Generate coverage summary
        run: |
          echo "## Test Coverage Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          # Find and parse coverage summaries
          find . -type f -name "coverage-summary.json" | while read -r file; do
            PROJECT=$(dirname $file | sed 's|./apps/||' | sed 's|./services/||' | sed 's|/coverage||')

            if [ -f "$file" ]; then
              LINES=$(jq -r '.total.lines.pct' "$file" 2>/dev/null || echo "0")
              STATEMENTS=$(jq -r '.total.statements.pct' "$file" 2>/dev/null || echo "0")
              FUNCTIONS=$(jq -r '.total.functions.pct' "$file" 2>/dev/null || echo "0")
              BRANCHES=$(jq -r '.total.branches.pct' "$file" 2>/dev/null || echo "0")

              echo "### $PROJECT" >> $GITHUB_STEP_SUMMARY
              echo "| Metric | Coverage |" >> $GITHUB_STEP_SUMMARY
              echo "|--------|----------|" >> $GITHUB_STEP_SUMMARY
              echo "| Lines | ${LINES}% |" >> $GITHUB_STEP_SUMMARY
              echo "| Statements | ${STATEMENTS}% |" >> $GITHUB_STEP_SUMMARY
              echo "| Functions | ${FUNCTIONS}% |" >> $GITHUB_STEP_SUMMARY
              echo "| Branches | ${BRANCHES}% |" >> $GITHUB_STEP_SUMMARY
              echo "" >> $GITHUB_STEP_SUMMARY
            fi
          done

      - name: Archive coverage reports
        uses: actions/upload-artifact@v4
        with:
          name: coverage-reports
          path: |
            apps/**/coverage
            services/**/coverage
            coverage-combined
          retention-days: 30
          if-no-files-found: warn

      - name: Check coverage thresholds
        run: |
          echo "Checking coverage thresholds..."

          # Set minimum coverage threshold
          MINIMUM_COVERAGE=50  # Start with 50%, increase gradually

          # Check each project's coverage
          find . -type f -name "coverage-summary.json" | while read -r file; do
            PROJECT=$(dirname $file | sed 's|./apps/||' | sed 's|./services/||' | sed 's|/coverage||')
            LINES=$(jq -r '.total.lines.pct' "$file" 2>/dev/null || echo "0")

            echo "Checking $PROJECT: ${LINES}% coverage"

            # Convert to integer for comparison
            LINES_INT=$(printf "%.0f" $LINES)

            if [ "$LINES_INT" -lt "$MINIMUM_COVERAGE" ]; then
              echo "⚠️ Warning: $PROJECT coverage (${LINES}%) is below minimum threshold (${MINIMUM_COVERAGE}%)"
            else
              echo "✅ $PROJECT meets coverage threshold"
            fi
          done

  # Generate coverage badge
  coverage-badge:
    name: Update Coverage Badge
    runs-on: ubuntu-latest
    needs: test-coverage
    if: github.ref == 'refs/heads/main'
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Download coverage reports
        uses: actions/download-artifact@v4
        continue-on-error: true
        id: download-coverage
        with:
          name: coverage-reports
          path: coverage-reports

      - name: Create coverage badge
        if: steps.download-coverage.outcome == 'success'
        run: |
          # Calculate overall coverage
          TOTAL_LINES=0
          COVERED_LINES=0

          find coverage-reports -type f -name "coverage-summary.json" | while read -r file; do
            LINES=$(jq -r '.total.lines.total' "$file" 2>/dev/null || echo "0")
            COVERED=$(jq -r '.total.lines.covered' "$file" 2>/dev/null || echo "0")

            TOTAL_LINES=$((TOTAL_LINES + LINES))
            COVERED_LINES=$((COVERED_LINES + COVERED))
          done

          if [ "$TOTAL_LINES" -gt 0 ]; then
            COVERAGE=$(echo "scale=2; $COVERED_LINES * 100 / $TOTAL_LINES" | bc)
            echo "Overall coverage: ${COVERAGE}%"
            echo "COVERAGE=${COVERAGE}" >> $GITHUB_ENV
          else
            echo "No coverage data found"
            echo "COVERAGE=0" >> $GITHUB_ENV
          fi

      - name: Update README badge
        if: steps.download-coverage.outcome == 'success'
        run: |
          echo "Coverage badge data ready: ${{ env.COVERAGE }}%"
          # This would update a badge in the README or create a gist
          # Implementation depends on chosen badge service (shields.io, codecov, etc.)

      - name: Skip badge update
        if: steps.download-coverage.outcome != 'success'
        run: echo "No coverage reports available - skipping badge update"