name: CI/CD Pipeline (Simple)

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

env:
  NODE_VERSION: '20'
  DOCKER_IMAGE: portfolio-app
  CONTAINER_NAME: portfolio-app

jobs:
  # Production deployment pipeline
  production:
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/production'
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Run linting
        run: npm run lint

      - name: Run tests
        run: npm run test

      - name: Build application
        run: npm run build

      - name: Run security scan
        run: |
          echo "🔍 Running npm audit..."
          npm audit --audit-level=high || echo "⚠️ Some vulnerabilities found, but continuing..."

      - name: Build Docker image
        run: |
          docker build -t ${{ env.DOCKER_IMAGE }}:latest .
          docker tag ${{ env.DOCKER_IMAGE }}:latest ${{ env.DOCKER_IMAGE }}:$(date +%Y%m%d-%H%M%S)

      - name: Prepare for zero-downtime deployment
        run: |
          echo "🚀 Preparing zero-downtime deployment..."
          
          # Check if current container is running
          if docker ps -q -f name=portfolio-app | grep -q .; then
            echo "📊 Current container is running, proceeding with zero-downtime update"
            CURRENT_CONTAINER_RUNNING=true
          else
            echo "📊 No current container running, doing fresh deployment"
            CURRENT_CONTAINER_RUNNING=false
          fi
          
          # Ensure database and redis are running
          echo "🔧 Ensuring database and redis are running..."
          docker compose up -d postgres redis
          
          # Wait for services to be ready
          sleep 10

      - name: Verify secrets and variables before deployment
        run: |
          echo "🔍 Verifying secrets and variables..."
          
          # Check Variables
          if [ -z "${{ vars.NEXT_PUBLIC_BASE_URL }}" ]; then
            echo "❌ NEXT_PUBLIC_BASE_URL variable is missing!"
            exit 1
          fi
          if [ -z "${{ vars.MY_EMAIL }}" ]; then
            echo "❌ MY_EMAIL variable is missing!"
            exit 1
          fi
          if [ -z "${{ vars.MY_INFO_EMAIL }}" ]; then
            echo "❌ MY_INFO_EMAIL variable is missing!"
            exit 1
          fi
          
          # Check Secrets
          if [ -z "${{ secrets.MY_PASSWORD }}" ]; then
            echo "❌ MY_PASSWORD secret is missing!"
            exit 1
          fi
          if [ -z "${{ secrets.MY_INFO_PASSWORD }}" ]; then
            echo "❌ MY_INFO_PASSWORD secret is missing!"
            exit 1
          fi
          if [ -z "${{ secrets.ADMIN_BASIC_AUTH }}" ]; then
            echo "❌ ADMIN_BASIC_AUTH secret is missing!"
            exit 1
          fi
          
          echo "✅ All required secrets and variables are present"

      - name: Deploy with zero downtime
        run: |
          echo "🚀 Deploying with zero downtime..."
          
          if [ "$CURRENT_CONTAINER_RUNNING" = "true" ]; then
            echo "🔄 Performing rolling update..."
            
            # Generate unique container name
            TIMESTAMP=$(date +%s)
            TEMP_CONTAINER_NAME="portfolio-app-temp-$TIMESTAMP"
            echo "🔧 Using temporary container name: $TEMP_CONTAINER_NAME"
            
            # Clean up any existing temporary containers
            echo "🧹 Cleaning up any existing temporary containers..."
            
            # Remove specific known problematic containers
            docker rm -f portfolio-app-new portfolio-app-temp-* portfolio-app-backup || true
            
            # Find and remove any containers with portfolio-app in the name (except the main one)
            EXISTING_CONTAINERS=$(docker ps -a --format "table {{.Names}}" | grep "portfolio-app" | grep -v "^portfolio-app$" || true)
            if [ -n "$EXISTING_CONTAINERS" ]; then
              echo "🗑️ Removing existing portfolio-app containers:"
              echo "$EXISTING_CONTAINERS"
              echo "$EXISTING_CONTAINERS" | xargs -r docker rm -f || true
            fi
            
            # Also clean up any stopped containers
            docker container prune -f || true
            
            # Start new container with unique temporary name (no port mapping needed for health check)
            docker run -d \
              --name $TEMP_CONTAINER_NAME \
              --restart unless-stopped \
              --network portfolio_net \
              -e NODE_ENV=${{ vars.NODE_ENV }} \
              -e LOG_LEVEL=${{ vars.LOG_LEVEL }} \
              -e DATABASE_URL=postgresql://portfolio_user:portfolio_pass@postgres:5432/portfolio_db?schema=public \
              -e REDIS_URL=redis://redis:6379 \
              -e NEXT_PUBLIC_BASE_URL="${{ vars.NEXT_PUBLIC_BASE_URL }}" \
              -e NEXT_PUBLIC_UMAMI_URL="${{ vars.NEXT_PUBLIC_UMAMI_URL }}" \
              -e NEXT_PUBLIC_UMAMI_WEBSITE_ID="${{ vars.NEXT_PUBLIC_UMAMI_WEBSITE_ID }}" \
              -e MY_EMAIL="${{ vars.MY_EMAIL }}" \
              -e MY_INFO_EMAIL="${{ vars.MY_INFO_EMAIL }}" \
              -e MY_PASSWORD="${{ secrets.MY_PASSWORD }}" \
              -e MY_INFO_PASSWORD="${{ secrets.MY_INFO_PASSWORD }}" \
              -e ADMIN_BASIC_AUTH="${{ secrets.ADMIN_BASIC_AUTH }}" \
              ${{ env.DOCKER_IMAGE }}:latest
            
            # Wait for new container to be ready
            echo "⏳ Waiting for new container to be ready..."
            sleep 15
            
            # Health check new container using docker exec
            for i in {1..20}; do
              if docker exec $TEMP_CONTAINER_NAME curl -f http://localhost:3000/api/health > /dev/null 2>&1; then
                echo "✅ New container is healthy!"
                break
              fi
              echo "⏳ Health check attempt $i/20..."
              sleep 3
            done
            
            # Stop old container
            echo "🛑 Stopping old container..."
            docker stop portfolio-app || true
            
            # Remove old container
            docker rm portfolio-app || true
            
            # Rename new container
            docker rename $TEMP_CONTAINER_NAME portfolio-app
            
            # Update port mapping
            docker stop portfolio-app
            docker rm portfolio-app
            
            # Start with correct port
            docker run -d \
              --name portfolio-app \
              --restart unless-stopped \
              --network portfolio_net \
              -p 3000:3000 \
              -e NODE_ENV=${{ vars.NODE_ENV }} \
              -e LOG_LEVEL=${{ vars.LOG_LEVEL }} \
              -e DATABASE_URL=postgresql://portfolio_user:portfolio_pass@postgres:5432/portfolio_db?schema=public \
              -e REDIS_URL=redis://redis:6379 \
              -e NEXT_PUBLIC_BASE_URL="${{ vars.NEXT_PUBLIC_BASE_URL }}" \
              -e NEXT_PUBLIC_UMAMI_URL="${{ vars.NEXT_PUBLIC_UMAMI_URL }}" \
              -e NEXT_PUBLIC_UMAMI_WEBSITE_ID="${{ vars.NEXT_PUBLIC_UMAMI_WEBSITE_ID }}" \
              -e MY_EMAIL="${{ vars.MY_EMAIL }}" \
              -e MY_INFO_EMAIL="${{ vars.MY_INFO_EMAIL }}" \
              -e MY_PASSWORD="${{ secrets.MY_PASSWORD }}" \
              -e MY_INFO_PASSWORD="${{ secrets.MY_INFO_PASSWORD }}" \
              -e ADMIN_BASIC_AUTH="${{ secrets.ADMIN_BASIC_AUTH }}" \
              ${{ env.DOCKER_IMAGE }}:latest
              
            echo "✅ Rolling update completed!"
          else
            echo "🆕 Fresh deployment..."
            docker compose up -d
          fi
        env:
          NODE_ENV: ${{ vars.NODE_ENV }}
          LOG_LEVEL: ${{ vars.LOG_LEVEL }}
          NEXT_PUBLIC_BASE_URL: ${{ vars.NEXT_PUBLIC_BASE_URL }}
          NEXT_PUBLIC_UMAMI_URL: ${{ vars.NEXT_PUBLIC_UMAMI_URL }}
          NEXT_PUBLIC_UMAMI_WEBSITE_ID: ${{ vars.NEXT_PUBLIC_UMAMI_WEBSITE_ID }}
          MY_EMAIL: ${{ vars.MY_EMAIL }}
          MY_INFO_EMAIL: ${{ vars.MY_INFO_EMAIL }}
          MY_PASSWORD: ${{ secrets.MY_PASSWORD }}
          MY_INFO_PASSWORD: ${{ secrets.MY_INFO_PASSWORD }}
          ADMIN_BASIC_AUTH: ${{ secrets.ADMIN_BASIC_AUTH }}

      - name: Wait for container to be ready
        run: |
          sleep 10
          timeout 60 bash -c 'until curl -f http://localhost:3000/api/health; do sleep 2; done'

      - name: Health check
        run: |
          curl -f http://localhost:3000/api/health
          echo "✅ Deployment successful!"

      - name: Cleanup old images
        run: |
          docker image prune -f
          docker system prune -f