name: Deploy to Development

on:
  push:
    branches: [ main, master, develop ]
    paths:
      - 'src/**'
      - 'Dockerfile'
      - 'nginx.conf'
      - 'package.json'
      - 'manifests/dev/**'
  workflow_dispatch:

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

jobs:
  deploy-dev:
    runs-on: ubuntu-latest
    environment: development
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Log in to Container Registry
      uses: docker/login-action@v3
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ github.actor }}
        password: ${{ secrets.GH_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}}-

    - name: Build and push Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}

    - name: Set image tag for deployment
      run: |
        IMAGE_TAG=$(echo "${{ steps.meta.outputs.tags }}" | head -n1 | cut -d':' -f2)
        echo "IMAGE_TAG=$IMAGE_TAG" >> $GITHUB_ENV
        echo "🏷️ Using image tag: $IMAGE_TAG"

    - name: Deploy to development via webhook
      run: |
        echo "🚀 Triggering webhook deployment to development..."
        
        # Prepare deployment payload
        PAYLOAD=$(cat <<EOF
        {
          "environment": "development",
          "image": "${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}",
          "namespace": "game-2048-dev",
          "service_name": "game-2048-dev",
          "deployment_id": "${{ github.run_id }}-${{ github.run_attempt }}",
          "commit_sha": "${{ github.sha }}",
          "triggered_by": "${{ github.actor }}",
          "timestamp": "$(date -u +%Y-%m-%dT%H:%M:%SZ)"
        }
        EOF
        )
        
        # Generate HMAC signature for webhook security
        SIGNATURE=$(echo -n "$PAYLOAD" | openssl dgst -sha256 -hmac "${{ secrets.WEBHOOK_SECRET }}" -binary | base64)
        
        # Send webhook
        HTTP_CODE=$(curl -s -o /tmp/webhook_response.json -w "%{http_code}" \
          -X POST \
          -H "Content-Type: application/json" \
          -H "X-Signature-SHA256: sha256=$SIGNATURE" \
          -H "X-GitHub-Event: deployment" \
          -H "X-GitHub-Delivery: ${{ github.run_id }}" \
          -d "$PAYLOAD" \
          "${{ secrets.DEV_WEBHOOK_URL }}")
        
        echo "Webhook response code: $HTTP_CODE"
        cat /tmp/webhook_response.json || echo "No response body"
        
        if [ "$HTTP_CODE" -ge 200 ] && [ "$HTTP_CODE" -lt 300 ]; then
          echo "✅ Webhook deployment triggered successfully!"
        else
          echo "❌ Webhook deployment failed with code: $HTTP_CODE"
          exit 1
        fi

    - name: Wait for deployment to complete
      run: |
        echo "⏳ Waiting for deployment to stabilize..."
        sleep 30

    - name: Health check
      run: |
        echo "🏥 Performing health check..."
        MAX_RETRIES=10
        RETRY_COUNT=0
        
        # Get the canonical Knative domain for health check
        # Format: service-name.namespace.knative-domain
        HEALTH_URL="https://game-2048-dev.game-2048-dev.${{ secrets.KNATIVE_DOMAIN }}"
        
        while [ $RETRY_COUNT -lt $MAX_RETRIES ]; do
          echo "Attempt $((RETRY_COUNT + 1))/$MAX_RETRIES - Checking: $HEALTH_URL"
          
          if curl -f -s --max-time 10 "$HEALTH_URL" > /dev/null; then
            echo "✅ Health check passed!"
            echo "🌐 Application is available at: $HEALTH_URL"
            exit 0
          else
            echo "⚠️ Health check failed, retrying in 15 seconds..."
            sleep 15
            RETRY_COUNT=$((RETRY_COUNT + 1))
          fi
        done
        
        echo "❌ Health check failed after $MAX_RETRIES attempts"
        echo "The deployment webhook was sent successfully, but the service is not responding"
        echo "Please check your cluster logs for deployment issues"
        exit 1

    - name: Deployment summary
      if: always()
      run: |
        echo "## 🚀 Development Deployment Summary" >> $GITHUB_STEP_SUMMARY
        echo "- **Environment:** Development" >> $GITHUB_STEP_SUMMARY
        echo "- **Image:** \`${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}\`" >> $GITHUB_STEP_SUMMARY
        echo "- **Deployment Method:** Webhook-based" >> $GITHUB_STEP_SUMMARY
        echo "- **Triggered by:** ${{ github.actor }}" >> $GITHUB_STEP_SUMMARY
        echo "- **Commit:** ${{ github.sha }}" >> $GITHUB_STEP_SUMMARY
        
        if [ "${{ job.status }}" = "success" ]; then
          echo "- **Status:** ✅ Success" >> $GITHUB_STEP_SUMMARY
          echo "- **URL:** https://game-2048-dev.game-2048-dev.${{ secrets.KNATIVE_DOMAIN }}" >> $GITHUB_STEP_SUMMARY
        else
          echo "- **Status:** ❌ Failed" >> $GITHUB_STEP_SUMMARY
        fi