name: Cerberus Integration

on:
  push:
    branches: [ main, development, 'feature/**' ]
    paths:
      - 'backend/internal/caddy/**'
      - 'backend/internal/security/**'
      - 'backend/internal/handlers/security*.go'
      - 'backend/internal/models/security*.go'
      - 'scripts/cerberus_integration.sh'
      - 'Dockerfile'
      - '.github/workflows/cerberus-integration.yml'
  pull_request:
    branches: [ main, development ]
    paths:
      - 'backend/internal/caddy/**'
      - 'backend/internal/security/**'
      - 'backend/internal/handlers/security*.go'
      - 'backend/internal/models/security*.go'
      - 'scripts/cerberus_integration.sh'
      - 'Dockerfile'
      - '.github/workflows/cerberus-integration.yml'
  # Allow manual trigger
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  cerberus-integration:
    name: Cerberus Security Stack Integration
    runs-on: ubuntu-latest
    timeout-minutes: 20

    steps:
      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0

      - name: Build Docker image
        run: |
          docker build \
            --no-cache \
            --build-arg VCS_REF=${{ github.sha }} \
            -t charon:local .

      - name: Run Cerberus integration tests
        id: cerberus-test
        run: |
          chmod +x scripts/cerberus_integration.sh
          scripts/cerberus_integration.sh 2>&1 | tee cerberus-test-output.txt
          exit ${PIPESTATUS[0]}

      - name: Dump Debug Info on Failure
        if: failure()
        run: |
          echo "## 🔍 Debug Information" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          echo "### Container Status" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
          docker ps -a --filter "name=charon" --filter "name=cerberus" --filter "name=backend" >> $GITHUB_STEP_SUMMARY 2>&1 || true
          echo '```' >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          echo "### Security Status API" >> $GITHUB_STEP_SUMMARY
          echo '```json' >> $GITHUB_STEP_SUMMARY
          curl -s http://localhost:8480/api/v1/security/status 2>/dev/null | head -100 >> $GITHUB_STEP_SUMMARY || echo "Could not retrieve security status" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          echo "### Caddy Admin Config" >> $GITHUB_STEP_SUMMARY
          echo '```json' >> $GITHUB_STEP_SUMMARY
          curl -s http://localhost:2319/config 2>/dev/null | head -200 >> $GITHUB_STEP_SUMMARY || echo "Could not retrieve Caddy config" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          echo "### Charon Container Logs (last 100 lines)" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
          docker logs charon-cerberus-test 2>&1 | tail -100 >> $GITHUB_STEP_SUMMARY || echo "No container logs available" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY

      - name: Cerberus Integration Summary
        if: always()
        run: |
          echo "## 🔱 Cerberus Integration Test Results" >> $GITHUB_STEP_SUMMARY
          if [ "${{ steps.cerberus-test.outcome }}" == "success" ]; then
            echo "✅ **All Cerberus tests passed**" >> $GITHUB_STEP_SUMMARY
            echo "" >> $GITHUB_STEP_SUMMARY
            echo "### Test Results:" >> $GITHUB_STEP_SUMMARY
            echo '```' >> $GITHUB_STEP_SUMMARY
            grep -E "✓|PASS|TC-[0-9]|=== ALL" cerberus-test-output.txt || echo "See logs for details"
            grep -E "✓|PASS|TC-[0-9]|=== ALL" cerberus-test-output.txt >> $GITHUB_STEP_SUMMARY || echo "See logs for details" >> $GITHUB_STEP_SUMMARY
            echo '```' >> $GITHUB_STEP_SUMMARY
            echo "" >> $GITHUB_STEP_SUMMARY
            echo "### Features Tested:" >> $GITHUB_STEP_SUMMARY
            echo "- WAF (Coraza) payload inspection" >> $GITHUB_STEP_SUMMARY
            echo "- Rate limiting enforcement" >> $GITHUB_STEP_SUMMARY
            echo "- Security handler ordering" >> $GITHUB_STEP_SUMMARY
            echo "- Legitimate traffic flow" >> $GITHUB_STEP_SUMMARY
          else
            echo "❌ **Cerberus tests failed**" >> $GITHUB_STEP_SUMMARY
            echo "" >> $GITHUB_STEP_SUMMARY
            echo "### Failure Details:" >> $GITHUB_STEP_SUMMARY
            echo '```' >> $GITHUB_STEP_SUMMARY
            grep -E "✗|FAIL|Error|failed" cerberus-test-output.txt | head -30 >> $GITHUB_STEP_SUMMARY || echo "See logs for details" >> $GITHUB_STEP_SUMMARY
            echo '```' >> $GITHUB_STEP_SUMMARY
          fi

      - name: Cleanup
        if: always()
        run: |
          docker rm -f charon-cerberus-test || true
          docker rm -f cerberus-backend || true
          docker volume rm charon_cerberus_test_data caddy_cerberus_test_data caddy_cerberus_test_config 2>/dev/null || true
          docker network rm containers_default || true