name: Deploy to Production

on:
  push:
    branches:
      - prod

jobs:
  build-and-deploy:
    needs: test
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v3
      
      - name: Force IPv4 for DNS
        run: |
          echo 'precedence ::ffff:0:0/96 100' | sudo tee -a /etc/gai.conf
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      
      - name: Login to Gitea Container Registry (with retry)
        run: |
          for i in 1 2 3 4 5; do
            echo "🔐 Login attempt $i..."
            echo "${{ secrets.REGISTRY_TOKEN }}" | docker login ${{ secrets.REGISTRY_URL }} -u ${{ secrets.REGISTRY_USERNAME }} --password-stdin && break || sleep 5
          done
      
      - name: Build backend image
        uses: docker/build-push-action@v4
        with:
          context: ./backend
          file: ./backend/Dockerfile
          push: false
          load: true
          tags: |
            ${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USERNAME }}/lediscord:prod-backend
            ${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USERNAME }}/lediscord:latest-backend
          cache-from: type=registry,ref=${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USERNAME }}/lediscord:prod-backend
          cache-to: type=inline
      
      - name: Push backend image (with retry)
        run: |
          push_with_retry() {
            local image=$1
            for i in 1 2 3 4 5; do
              echo "📤 Push attempt $i for $image..."
              if docker push "$image"; then
                echo "✅ Successfully pushed $image"
                return 0
              fi
              echo "⚠️ Push failed, waiting 10s..."
              sleep 10
            done
            echo "❌ Failed to push $image after 5 attempts"
            return 1
          }
          
          push_with_retry "${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USERNAME }}/lediscord:prod-backend"
          push_with_retry "${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USERNAME }}/lediscord:latest-backend"
      
      - name: Build frontend image
        uses: docker/build-push-action@v4
        with:
          context: ./frontend
          file: ./frontend/Dockerfile
          push: false
          load: true
          tags: |
            ${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USERNAME }}/lediscord:prod-frontend
            ${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USERNAME }}/lediscord:latest-frontend
          cache-from: type=registry,ref=${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USERNAME }}/lediscord:prod-frontend
          cache-to: type=inline
      
      - name: Push frontend image (with retry)
        run: |
          push_with_retry() {
            local image=$1
            for i in 1 2 3 4 5; do
              echo "📤 Push attempt $i for $image..."
              if docker push "$image"; then
                echo "✅ Successfully pushed $image"
                return 0
              fi
              echo "⚠️ Push failed, waiting 10s..."
              sleep 10
            done
            echo "❌ Failed to push $image after 5 attempts"
            return 1
          }
          
          push_with_retry "${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USERNAME }}/lediscord:prod-frontend"
          push_with_retry "${{ secrets.REGISTRY_URL }}/${{ secrets.REGISTRY_USERNAME }}/lediscord:latest-frontend"
      
      - name: Deploy to Nomad
        if: success()
        run: |
          echo "🚀 Deployment ready!"
          echo "Run on your server:"
          echo "  nomad job run -force lediscord.nomad"