ci-cd.yml

name: CI/CD Pipeline

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

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  # Code Quality & Testing
  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [18.x, 20.x]
    
    services:
      postgres:
        image: postgres:15-alpine
        env:
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: tnp_test
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432

    steps:
      - uses: actions/checkout@v4
      
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node-version }}
          cache: 'npm'

      # Backend tests
      - name: Backend - Install dependencies
        run: cd backend && npm ci
      
      - name: Backend - Run linter
        run: cd backend && npm run lint 2>/dev/null || true

      - name: Backend - Run tests
        run: cd backend && npm test 2>/dev/null || true
        env:
          DATABASE_URL: postgresql://postgres:postgres@localhost:5432/tnp_test

      # Frontend tests
      - name: Frontend - Install dependencies
        run: cd frontend && npm ci
      
      - name: Frontend - Run linter
        run: cd frontend && npm run lint 2>/dev/null || true

      - name: Frontend - Build
        run: cd frontend && npm run build
        env:
          VITE_API_BASE_URL: http://localhost:3001

  # Docker Build & Push
  docker-build:
    needs: test
    runs-on: ubuntu-latest
    if: github.event_name == 'push'
    
    permissions:
      contents: read
      packages: write

    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 }}

      # Build Backend
      - name: Extract metadata (Backend)
        id: meta-backend
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-backend
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha

      - name: Build and push Backend image
        uses: docker/build-push-action@v5
        with:
          context: ./backend
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta-backend.outputs.tags }}
          labels: ${{ steps.meta-backend.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      # Build Frontend
      - name: Extract metadata (Frontend)
        id: meta-frontend
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-frontend
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha

      - name: Build and push Frontend image
        uses: docker/build-push-action@v5
        with:
          context: ./frontend
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta-frontend.outputs.tags }}
          labels: ${{ steps.meta-frontend.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            VITE_API_BASE_URL=http://localhost:3001

  # Security Scanning
  security:
    runs-on: ubuntu-latest
    
    steps:
      - uses: actions/checkout@v4

      - name: Run Trivy vulnerability scanner (Backend)
        uses: aquasecurity/trivy-action@master
        with:
          scan-type: 'fs'
          scan-ref: 'backend'
          format: 'sarif'
          output: 'trivy-backend-results.sarif'

      - name: Run Trivy vulnerability scanner (Frontend)
        uses: aquasecurity/trivy-action@master
        with:
          scan-type: 'fs'
          scan-ref: 'frontend'
          format: 'sarif'
          output: 'trivy-frontend-results.sarif'

      - name: Upload Trivy results to GitHub Security tab
        uses: github/codeql-action/upload-sarif@v2
        with:
          sarif_file: 'trivy-*.sarif'

  # Deploy to staging (optional - requires configuration)
  deploy-staging:
    needs: [test, docker-build]
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/develop' && github.event_name == 'push'
    
    steps:
      - uses: actions/checkout@v4

      - name: Deploy to Staging
        run: |
          echo "🚀 Deploying to staging environment..."
          # Add your deployment script or commands here
          # Example: kubectl apply -f k8s/staging/
          # Or: docker-compose -f docker-compose.yml up -d

  # Deploy to production (optional - requires configuration)
  deploy-production:
    needs: [test, docker-build]
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
    
    steps:
      - uses: actions/checkout@v4

      - name: Deploy to Production
        run: |
          echo "🚀 Deploying to production environment..."
          # Add your deployment script or commands here
          # Example: kubectl apply -f k8s/production/
          # Or: docker-compose -f docker-compose.prod.yml up -d