name: Coverage Report

on:
  workflow_call:

jobs:
  merge-and-upload:
    name: Merge Coverage & Upload to Codecov
    runs-on: ubuntu-latest

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

    - name: Download backend coverage
      uses: actions/download-artifact@v4
      with:
        name: backend-coverage
        path: coverage/backend

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

    - name: Download E2E coverage
      uses: actions/download-artifact@v4
      with:
        name: e2e-coverage
        path: coverage/e2e
      continue-on-error: true

    - name: Upload to Codecov (multi-format)
      uses: codecov/codecov-action@v4
      with:
        files: |
          coverage/backend/coverage.out
          coverage/frontend/lcov.info
          coverage/e2e/lcov.info
        flags: backend,frontend,e2e
        name: codecov-ackify-ce
        fail_ci_if_error: false
        verbose: true
        token: ${{ secrets.CODECOV_TOKEN }}

    - name: Generate coverage summary
      run: |
        echo "## 📊 Code Coverage Summary" >> $GITHUB_STEP_SUMMARY
        echo "" >> $GITHUB_STEP_SUMMARY
        echo "Coverage reports uploaded to Codecov:" >> $GITHUB_STEP_SUMMARY
        echo "- ✅ Backend (Go): coverage/backend/coverage.out" >> $GITHUB_STEP_SUMMARY
        echo "- ✅ Frontend (Vue/TS): coverage/frontend/lcov.info" >> $GITHUB_STEP_SUMMARY
        echo "- ✅ E2E (Cypress): coverage/e2e/lcov.info" >> $GITHUB_STEP_SUMMARY
        echo "" >> $GITHUB_STEP_SUMMARY
        echo "View detailed report: https://codecov.io/gh/${{ github.repository }}" >> $GITHUB_STEP_SUMMARY