name: Multi-App CI/CD Pipeline

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main ]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: cqa-test-app

jobs:
  # 변경 감지
  detect-changes:
    runs-on: ubuntu-latest
    outputs:
      flask-changed: ${{ steps.changes.outputs.flask }}
      mcp-changed: ${{ steps.changes.outputs.mcp }}
      shared-changed: ${{ steps.changes.outputs.shared }}
    steps:
      - uses: actions/checkout@v4
      - uses: dorny/paths-filter@v2
        id: changes
        with:
          filters: |
            flask:
              - 'run_cqa_test_app.py'
              - 'functions/**'
              - 'products/**'
              - 'templates/**'
            mcp:
              - 'mcp_server.py'
            shared:
              - 'lib/**'
              - 'common/**'
              - 'requirements.txt'
              - 'Dockerfile*'

  # Flask App 빌드
  build-flask:
    needs: detect-changes
    if: needs.detect-changes.outputs.flask-changed == 'true' || needs.detect-changes.outputs.shared-changed == 'true'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      
      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      
      - name: Build and push Flask app
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile.multi
          target: flask-app
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/flask-app:latest
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/flask-app:${{ github.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  # MCP Server 빌드
  build-mcp:
    needs: detect-changes
    if: needs.detect-changes.outputs.mcp-changed == 'true' || needs.detect-changes.outputs.shared-changed == 'true'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      
      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      
      - name: Build and push MCP server
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile.multi
          target: mcp-server
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/mcp-server:latest
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/mcp-server:${{ github.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  # 통합 테스트
  integration-test:
    needs: [build-flask, build-mcp]
    if: always() && (needs.build-flask.result == 'success' || needs.build-mcp.result == 'success')
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Run integration tests
        run: |
          docker-compose -f docker-compose.multi.yml up -d
          sleep 30
          
          # Flask app 테스트
          curl -f http://localhost:10345/test || exit 1
          
          # MCP server 테스트
          curl -f http://localhost:8001/mcp || exit 1
          
          # MCP 프로토콜 테스트
          curl -X POST http://localhost:8001/mcp \
            -H "Content-Type: application/json" \
            -d '{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}' || exit 1
          
          docker-compose -f docker-compose.multi.yml down

  # 배포
  deploy:
    needs: [integration-test]
    if: github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    steps:
      - name: Deploy to production
        run: |
          echo "Deploying to production..."
          # kubectl, helm, or other deployment tools