name: Build & Deploy KLZ Cables

on:
  push:
    branches: [main]

jobs:
  build-and-deploy:
    runs-on: docker

    steps:
      # ═══════════════════════════════════════════════════════════════════════════════
      # LOGGING: Workflow Start - Full Transparency
      # ═══════════════════════════════════════════════════════════════════════════════
      - name: 📋 Log Workflow Start
        run: |
          echo "╔══════════════════════════════════════════════════════════════════════════════╗"
          echo "║ KLZ Cables Deployment Workflow Started                                      ║"
          echo "╚══════════════════════════════════════════════════════════════════════════════╝"
          echo ""
          echo "📋 Workflow Information:"
          echo "  • Repository: ${{ github.repository }}"
          echo "  • Branch: ${{ github.ref }}"
          echo "  • Commit: ${{ github.sha }}"
          echo "  • Actor: ${{ github.actor }}"
          echo "  • Run ID: ${{ github.run_id }}"
          echo "  • Timestamp: $(date -u +'%Y-%m-%d %H:%M:%S UTC')"
          echo ""
          echo "🔍 Environment Details:"
          echo "  • Runner OS: ${{ runner.os }}"
          echo "  • Workspace: ${{ github.workspace }}"
          echo ""

      - name: Checkout repository
        uses: actions/checkout@v4

      # ═══════════════════════════════════════════════════════════════════════════════
      # LOGGING: Registry Login Phase
      # ═══════════════════════════════════════════════════════════════════════════════
      - name: 🔐 Login to private registry
        run: |
          echo "╔══════════════════════════════════════════════════════════════════════════════╗"
          echo "║ Step: Registry Login                                                         ║"
          echo "╚══════════════════════════════════════════════════════════════════════════════╝"
          echo ""
          echo "🔐 Authenticating with private registry..."
          echo "  Registry: registry.infra.mintel.me"
          echo "  User: ${{ secrets.REGISTRY_USER != '' && '***' || 'NOT SET' }}"
          echo ""
          
          # Execute login with error handling
          if echo "${{ secrets.REGISTRY_PASS }}" | docker login registry.infra.mintel.me -u "${{ secrets.REGISTRY_USER }}" --password-stdin 2>&1; then
            echo "✅ Registry login successful"
          else
            echo "❌ Registry login failed"
            exit 1
          fi
          echo ""

      # ═══════════════════════════════════════════════════════════════════════════════
      # LOGGING: Build Phase
      # ═══════════════════════════════════════════════════════════════════════════════
      - name: 🏗️ Build Docker image
        run: |
          echo "╔══════════════════════════════════════════════════════════════════════════════╗"
          echo "║ Step: Build Docker Image                                                     ║"
          echo "╚══════════════════════════════════════════════════════════════════════════════╝"
          echo ""
          echo "🏗️ Building Docker image with buildx..."
          echo "  Platform: linux/arm64"
          echo "  Target: registry.infra.mintel.me/mintel/klz-cables.com:latest"
          echo ""
          echo "📦 Build Arguments (NEXT_PUBLIC_* only - baked into client bundle):"
          echo "  • NEXT_PUBLIC_BASE_URL: ${{ secrets.NEXT_PUBLIC_BASE_URL != '' && '***' || 'NOT SET' }}"
          echo "  • NEXT_PUBLIC_UMAMI_WEBSITE_ID: ${{ secrets.NEXT_PUBLIC_UMAMI_WEBSITE_ID != '' && '***' || 'NOT SET' }}"
          echo "  • NEXT_PUBLIC_UMAMI_SCRIPT_URL: ${{ secrets.NEXT_PUBLIC_UMAMI_SCRIPT_URL != '' && '***' || 'NOT SET' }}"
          echo ""
          echo "⏱️ Build started at: $(date -u +'%Y-%m-%d %H:%M:%S UTC')"
          echo ""
          
          # Execute build with detailed logging
          set -e
          docker buildx build \
            --pull \
            --platform linux/arm64 \
            --build-arg NEXT_PUBLIC_BASE_URL="${{ secrets.NEXT_PUBLIC_BASE_URL }}" \
            --build-arg NEXT_PUBLIC_UMAMI_WEBSITE_ID="${{ secrets.NEXT_PUBLIC_UMAMI_WEBSITE_ID }}" \
            --build-arg NEXT_PUBLIC_UMAMI_SCRIPT_URL="${{ secrets.NEXT_PUBLIC_UMAMI_SCRIPT_URL }}" \
            -t registry.infra.mintel.me/mintel/klz-cables.com:latest \
            --push .
          
          BUILD_EXIT_CODE=$?
          if [ $BUILD_EXIT_CODE -eq 0 ]; then
            echo ""
            echo "✅ Build completed successfully at: $(date -u +'%Y-%m-%d %H:%M:%S UTC')"
            echo ""
            echo "📊 Image Details:"
            IMAGE_SIZE=$(docker inspect registry.infra.mintel.me/mintel/klz-cables.com:latest --format='{{.Size}}')
            IMAGE_SIZE_MB=$((IMAGE_SIZE / 1024 / 1024))
            echo "  • Size: ${IMAGE_SIZE_MB}MB"
            docker inspect registry.infra.mintel.me/mintel/klz-cables.com:latest --format='  • Created: {{.Created}}'
            docker inspect registry.infra.mintel.me/mintel/klz-cables.com:latest --format='  • Architecture: {{.Architecture}}'
          else
            echo ""
            echo "❌ Build failed with exit code: $BUILD_EXIT_CODE"
            exit $BUILD_EXIT_CODE
          fi
          echo ""

      # ═══════════════════════════════════════════════════════════════════════════════
      # LOGGING: Deployment Phase
      # ═══════════════════════════════════════════════════════════════════════════════
      - name: 🚀 Deploy to production server
        run: |
          echo "╔══════════════════════════════════════════════════════════════════════════════╗"
          echo "║ Step: Deploy to Production Server                                            ║"
          echo "╚══════════════════════════════════════════════════════════════════════════════╝"
          echo ""
          echo "🚀 Starting deployment process..."
          echo "  Target Server: alpha.mintel.me"
          echo "  Deploy User: deploy (via sudo from root)"
          echo "  Target Path: /home/deploy/sites/klz-cables.com"
          echo ""
          
          # Setup SSH with logging
          echo "🔐 Setting up SSH connection..."
          mkdir -p ~/.ssh
          echo "${{ secrets.ALPHA_SSH_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          
          echo "🔑 Adding host to known_hosts..."
          ssh-keyscan -H alpha.mintel.me >> ~/.ssh/known_hosts 2>/dev/null
          if [ $? -eq 0 ]; then
            echo "✅ Host key added successfully"
          else
            echo "⚠️ Warning: Could not add host key"
          fi
          echo ""
          
          # Create .env file content
          echo "📝 Preparing environment configuration..."
          cat > /tmp/klz-cables.env << EOF
          # ============================================================================
          # KLZ Cables - Production Environment Configuration
          # ============================================================================
          # Auto-generated by CI/CD workflow
          # DO NOT EDIT MANUALLY - Changes will be overwritten on next deployment
          # ============================================================================
          
          # Application
          NODE_ENV=production
          NEXT_PUBLIC_BASE_URL=${{ secrets.NEXT_PUBLIC_BASE_URL }}
          
          # Analytics (Umami)
          NEXT_PUBLIC_UMAMI_WEBSITE_ID=${{ secrets.NEXT_PUBLIC_UMAMI_WEBSITE_ID }}
          NEXT_PUBLIC_UMAMI_SCRIPT_URL=${{ secrets.NEXT_PUBLIC_UMAMI_SCRIPT_URL }}
          
          # Error Tracking (GlitchTip/Sentry)
          SENTRY_DSN=${{ secrets.SENTRY_DSN }}
          
          # Email Configuration (Mailgun)
          MAIL_HOST=${{ secrets.MAIL_HOST }}
          MAIL_PORT=${{ secrets.MAIL_PORT }}
          MAIL_USERNAME=${{ secrets.MAIL_USERNAME }}
          MAIL_PASSWORD=${{ secrets.MAIL_PASSWORD }}
          MAIL_FROM=${{ secrets.MAIL_FROM }}
          MAIL_RECIPIENTS=${{ secrets.MAIL_RECIPIENTS }}
          
          EOF
          
          echo "✅ Environment file prepared"
          echo ""
          
          # Execute deployment commands with detailed logging
          echo "📡 Connecting to server and executing deployment..."
          echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
          echo ""
          
          # Copy .env file to server
          echo "📤 Uploading environment configuration..."
          scp -o StrictHostKeyChecking=accept-new \
              -o ServerAliveInterval=30 \
              -o ServerAliveCountMax=3 \
              -o ConnectTimeout=10 \
              /tmp/klz-cables.env \
              root@alpha.mintel.me:/home/deploy/sites/klz-cables.com/.env
          
          if [ $? -eq 0 ]; then
            echo "✅ Environment file uploaded successfully"
          else
            echo "❌ Failed to upload environment file"
            exit 1
          fi
          echo ""
          
          # SSH to server and run deployment
          echo "🚀 Executing deployment on server..."
          ssh -o StrictHostKeyChecking=accept-new \
              -o ServerAliveInterval=30 \
              -o ServerAliveCountMax=3 \
              -o ConnectTimeout=10 \
              root@alpha.mintel.me bash << EOF
          set -e
          
          PROJECT_DIR="/home/deploy/sites/klz-cables.com"
          cd "\$PROJECT_DIR"
          
          echo "🔒 Securing environment file..."
          chmod 600 .env
          chown deploy:deploy .env
          
          echo "🔐 Logging into Docker registry..."
          echo "${{ secrets.REGISTRY_PASS }}" | docker login registry.infra.mintel.me -u "${{ secrets.REGISTRY_USER }}" --password-stdin
          
          echo "🔄 Pulling latest image..."
          docker pull registry.infra.mintel.me/mintel/klz-cables.com:latest
          
          echo "🔄 Stopping existing containers..."
          docker-compose down
          
          echo "🚀 Starting new containers..."
          docker-compose up -d
          
          echo "⏳ Waiting for services to be healthy..."
          MAX_RETRIES=12
          RETRY_COUNT=0
          until curl -s -f http://localhost:3000/health > /dev/null || [ \$RETRY_COUNT -eq \$MAX_RETRIES ]; do
            echo "  • Waiting for health check... (\$((RETRY_COUNT + 1))/\$MAX_RETRIES)"
            sleep 5
            RETRY_COUNT=\$((RETRY_COUNT + 1))
          done

          if [ \$RETRY_COUNT -eq \$MAX_RETRIES ]; then
            echo "❌ Health check failed after \$MAX_RETRIES retries"
            echo "🔍 Container logs:"
            docker-compose logs --tail=50
            exit 1
          fi

          echo "✅ Health check passed!"
          
          echo "🔍 Checking service status..."
          docker-compose ps
          
          echo ""
          echo "✅ Deployment complete!"
          EOF
          
          DEPLOY_EXIT_CODE=$?
          echo ""
          
          # Clean up temporary env file
          rm -f /tmp/klz-cables.env
          
          if [ $DEPLOY_EXIT_CODE -eq 0 ]; then
            echo "✅ Deployment completed successfully at: $(date -u +'%Y-%m-%d %H:%M:%S UTC')"
          else
            echo "❌ Deployment failed with exit code: $DEPLOY_EXIT_CODE"
            echo ""
            echo "🔍 Troubleshooting Tips:"
            echo "  • Check server connectivity: ping alpha.mintel.me"
            echo "  • Verify SSH key permissions on server"
            echo "  • Check disk space on target server"
            echo "  • Review docker compose configuration"
            echo "  • Verify all required secrets are set in Gitea"
            exit $DEPLOY_EXIT_CODE
          fi
          echo ""

      # ═══════════════════════════════════════════════════════════════════════════════
      # LOGGING: Workflow Summary
      # ═══════════════════════════════════════════════════════════════════════════════
      - name: 📊 Workflow Summary
        if: always()
        run: |
          echo "╔══════════════════════════════════════════════════════════════════════════════╗"
          echo "║ Workflow Summary                                                             ║"
          echo "╚══════════════════════════════════════════════════════════════════════════════╝"
          echo ""
          echo "📊 Final Status:"
          echo "  • Workflow: ${{ job.status }}"
          echo "  • Completed: $(date -u +'%Y-%m-%d %H:%M:%S UTC')"
          echo ""
          echo "🎯 Deployment Target:"
          echo "  • Image: registry.infra.mintel.me/mintel/klz-cables.com:latest"
          echo "  • Server: alpha.mintel.me"
          echo "  • Service: klz-cables.com"
          echo ""
          echo "🔐 Security Notes:"
          echo "  • All secrets are masked (*** ) in logs"
          echo "  • SSH keys are created with 600 permissions"
          echo "  • Passwords are never displayed in plain text"
          echo "  • .env file is auto-generated from Gitea secrets"
          echo "  • .env file has 600 permissions on server"
          echo ""
          echo "╔══════════════════════════════════════════════════════════════════════════════╗"
          if [ "${{ job.status }}" == "success" ]; then
            echo "║ ✅ DEPLOYMENT SUCCESSFUL                                                     ║"
          else
            echo "║ ❌ DEPLOYMENT FAILED                                                         ║"
          fi
          echo "╚══════════════════════════════════════════════════════════════════════════════╝"

      # ═══════════════════════════════════════════════════════════════════════════════
      # NOTIFICATION: Gotify
      # ═══════════════════════════════════════════════════════════════════════════════
      - name: 🔔 Gotify Notification (Success)
        if: success()
        run: |
          echo "Sending success notification to Gotify..."
          RESPONSE=$(curl -k -s -w "\n%{http_code}" -X POST "${{ secrets.GOTIFY_URL }}/message?token=${{ secrets.GOTIFY_TOKEN }}" \
            -F "title=✅ Deployment Success: ${{ github.repository }}" \
            -F "message=The deployment of ${{ github.repository }} (branch: ${{ github.ref }}) was successful.
            
            Commit: ${{ github.sha }}
            Actor: ${{ github.actor }}
            Run ID: ${{ github.run_id }}" \
            -F "priority=5")
          
          HTTP_CODE=$(echo "$RESPONSE" | tail -n1)
          BODY=$(echo "$RESPONSE" | sed '$d')
          
          echo "HTTP Status: $HTTP_CODE"
          echo "Response Body: $BODY"
          
          if [ "$HTTP_CODE" -lt 200 ] || [ "$HTTP_CODE" -ge 300 ]; then
            echo "Failed to send Gotify notification"
            exit 0 # Don't fail the workflow because of notification failure
          fi

      - name: 🔔 Gotify Notification (Failure)
        if: failure()
        run: |
          echo "Sending failure notification to Gotify..."
          RESPONSE=$(curl -k -s -w "\n%{http_code}" -X POST "${{ secrets.GOTIFY_URL }}/message?token=${{ secrets.GOTIFY_TOKEN }}" \
            -F "title=❌ Deployment Failed: ${{ github.repository }}" \
            -F "message=The deployment of ${{ github.repository }} (branch: ${{ github.ref }}) failed!
            
            Commit: ${{ github.sha }}
            Actor: ${{ github.actor }}
            Run ID: ${{ github.run_id }}
            
            Please check the logs for details." \
            -F "priority=8")
          
          HTTP_CODE=$(echo "$RESPONSE" | tail -n1)
          BODY=$(echo "$RESPONSE" | sed '$d')
          
          echo "HTTP Status: $HTTP_CODE"
          echo "Response Body: $BODY"
          
          if [ "$HTTP_CODE" -lt 200 ] || [ "$HTTP_CODE" -ge 300 ]; then
            echo "Failed to send Gotify notification"
            exit 0 # Don't fail the workflow because of notification failure
          fi