ci.yml

name: CI/CD Pipeline

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

env:
  NODE_VERSION: '18'
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  # Code Quality and Testing
  test:
    name: Test and Quality Checks
    runs-on: ubuntu-latest
    
    services:
      postgres:
        image: postgres:15
        env:
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: propchain_test
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432
      
      redis:
        image: redis:7
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 6379:6379

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Run ESLint
        run: npm run lint

      - name: Check Prettier formatting
        run: npm run format -- --check

      - name: Run TypeScript compilation
        run: npm run build

      - name: Run unit tests
        run: npm run test:unit
        env:
          DATABASE_URL: postgresql://postgres:postgres@localhost:5432/propchain_test
          REDIS_HOST: localhost
          NODE_ENV: test

      - name: Run integration tests
        run: npm run test:integration
        env:
          DATABASE_URL: postgresql://postgres:postgres@localhost:5432/propchain_test
          REDIS_HOST: localhost
          NODE_ENV: test

      - name: Generate test coverage
        run: npm run test:cov

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v3
        with:
          file: ./coverage/lcov.info
          flags: unittests
          name: codecov-umbrella

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

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

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

      - name: Run npm audit
        run: npm audit --audit-level=moderate

  # Build Docker Image
  build:
    name: Build Docker Image
    runs-on: ubuntu-latest
    needs: [test, security]
    if: github.event_name == 'push'
    
    outputs:
      image: ${{ steps.image.outputs.image }}
      digest: ${{ steps.build.outputs.digest }}

    steps:
      - name: Checkout code
        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: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=sha,prefix={{branch}}-
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Docker image
        id: build
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Output image
        id: image
        run: |
          echo "image=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}" >> $GITHUB_OUTPUT

  # Deploy to Staging
  deploy-staging:
    name: Deploy to Staging
    runs-on: ubuntu-latest
    needs: build
    if: github.ref == 'refs/heads/develop'
    environment: staging

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

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

  # Deploy to Production
  deploy-production:
    name: Deploy to Production
    runs-on: ubuntu-latest
    needs: build
    if: github.ref == 'refs/heads/main'
    environment: production

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

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

      - name: Health check
        run: |
          echo "Performing health check..."
          # Add health check commands here
          # Example: curl -f https://api.propchain.io/api/health

  # Notify on failure
  notify:
    name: Notify on Failure
    runs-on: ubuntu-latest
    needs: [test, security, build]
    if: failure()
    
    steps:
      - name: Notify Slack
        uses: 8398a7/action-slack@v3
        with:
          status: failure
          channel: '#ci-cd'
          text: 'Pipeline failed for ${{ github.repository }}'
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}