name: Validate Constants SSOT

on:
  pull_request:
    branches:
      - main
      - develop
  push:
    branches:
      - main
      - develop

jobs:
  validate-constants:
    runs-on: ubuntu-latest

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          cache: 'npm'

      - name: Install root dependencies
        run: npm ci

      - name: Install Backend dependencies
        run: cd apps/backend && npm ci

      - name: Install Frontend dependencies
        run: cd apps/frontend && npm ci

      - name: Sync ENUMs (Backend → Frontend)
        run: npm run sync:enums

      - name: Validate Constants Usage (No Hardcoding)
        run: npm run validate:constants

      - name: Validate API Contract (Backend ↔ Frontend)
        run: npm run validate:api-contract

      - name: Check ENUMs Synchronization
        run: |
          if ! diff apps/backend/src/shared/constants/enums.constants.ts \
                    apps/frontend/src/shared/constants/enums.constants.ts; then
            echo "❌ ERROR: ENUMs are not synchronized between Backend and Frontend"
            echo ""
            echo "Backend ENUMs differ from Frontend ENUMs."
            echo "This usually happens when:"
            echo "  1. Backend enums.constants.ts was modified manually"
            echo "  2. Frontend enums.constants.ts was modified manually (should never happen)"
            echo "  3. sync:enums script was not run after Backend changes"
            echo ""
            echo "To fix:"
            echo "  1. Run: npm run sync:enums"
            echo "  2. Commit the changes to Frontend enums.constants.ts"
            echo "  3. Push again"
            exit 1
          fi
          echo "✅ ENUMs are properly synchronized"

      - name: Report Success
        if: success()
        run: |
          echo "╔══════════════════════════════════════════════════════════════╗"
          echo "║                                                              ║"
          echo "║  ✅ Constants SSOT Validation PASSED                         ║"
          echo "║                                                              ║"
          echo "║  All validations completed successfully:                     ║"
          echo "║  • No hardcoding detected                                    ║"
          echo "║  • API contract synchronized (Backend ↔ Frontend)            ║"
          echo "║  • ENUMs synchronized (Backend ↔ Frontend)                   ║"
          echo "║                                                              ║"
          echo "║  Your PR is ready for code review! 🚀                        ║"
          echo "║                                                              ║"
          echo "╚══════════════════════════════════════════════════════════════╝"

      - name: Report Failure
        if: failure()
        run: |
          echo "╔══════════════════════════════════════════════════════════════╗"
          echo "║                                                              ║"
          echo "║  ❌ Constants SSOT Validation FAILED                         ║"
          echo "║                                                              ║"
          echo "║  Your PR has violations that must be fixed:                  ║"
          echo "║                                                              ║"
          echo "║  Check the logs above for specific errors.                   ║"
          echo "║                                                              ║"
          echo "║  Common issues:                                              ║"
          echo "║  • P0 violations (hardcoded schemas/tables/routes)           ║"
          echo "║  • API contract mismatch (Backend vs Frontend routes)        ║"
          echo "║  • ENUMs not synchronized                                    ║"
          echo "║                                                              ║"
          echo "║  How to fix:                                                 ║"
          echo "║  1. Read the error messages above                            ║"
          echo "║  2. Fix violations in your code                              ║"
          echo "║  3. Run locally: npm run validate:all                        ║"
          echo "║  4. Commit and push fixes                                    ║"
          echo "║                                                              ║"
          echo "║  Documentation:                                              ║"
          echo "║  • docs/CONSTANTS-ARCHITECTURE.md                            ║"
          echo "║  • docs/POLITICA-CONSTANTS-SSOT.md                           ║"
          echo "║                                                              ║"
          echo "╚══════════════════════════════════════════════════════════════╝"
          exit 1