name: Build & Deploy KLZ Cables

on:
  push:
    branches:
      - main

jobs:
  deploy:
    runs-on: docker

    steps:
      - name: Checkout repo
        uses: actions/checkout@v3

      - name: Install tools
        run: |
          apt-get update
          apt-get install -y \
            docker.io \
            openssh-client \
            rsync

      - name: Login to registry
        env:
          REGISTRY_USER: ${{ secrets.REGISTRY_USER }}
          REGISTRY_PASS: ${{ secrets.REGISTRY_PASS }}
        run: |
          echo "$REGISTRY_PASS" | DOCKER_API_VERSION=1.44 docker login registry.infra.mintel.me -u "$REGISTRY_USER" --password-stdin

      - name: Build image
        run: |
          DOCKER_API_VERSION=1.44 docker build \
            --pull \
            --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 }} \
            --build-arg NEXT_PUBLIC_SENTRY_DSN=${{ secrets.SENTRY_DSN }} \
            -t registry.infra.mintel.me/mintel/klz-cables.com:latest .

      - name: Push image
        run: DOCKER_API_VERSION=1.44 docker push registry.infra.mintel.me/mintel/klz-cables.com:latest

      - name: Setup SSH
        run: |
          mkdir -p ~/.ssh
          printf "%s\n" "${{ secrets.ALPHA_SSH_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          ssh-keyscan -H alpha.mintel.me >> ~/.ssh/known_hosts

      - name: Sync docker-compose file to server
        run: |
          echo "Checking for docker-compose file..."

          COMPOSE_FILE=""
          if [ -f "docker-compose.yml" ]; then
            COMPOSE_FILE="docker-compose.yml"
          elif [ -f "docker-compose.yaml" ]; then
            COMPOSE_FILE="docker-compose.yaml"
          else
            echo "ERROR: Keine docker-compose.yml oder .yaml gefunden!"
            exit 1
          fi

          echo "Found and syncing: $COMPOSE_FILE"

          # Use tar to bundle files and send them via SSH in a single connection
          tar czf - "$COMPOSE_FILE" varnish 2>/dev/null || tar czf - "$COMPOSE_FILE" | \
          ssh -i ~/.ssh/id_ed25519 -o StrictHostKeyChecking=no -o IPQoS=0x00 deploy@alpha.mintel.me \
          "mkdir -p /home/deploy/sites/klz-cables.com/ && tar xzf - -C /home/deploy/sites/klz-cables.com/ && echo 'Files synced successfully' && ls -la /home/deploy/sites/klz-cables.com/"
          
          echo "File sync completed"

      - name: Deploy on server
        env:
          REGISTRY_USER: ${{ secrets.REGISTRY_USER }}
          REGISTRY_PASS: ${{ secrets.REGISTRY_PASS }}
        run: |
          echo "Starting deployment on server..."
          
          # Execute deployment commands directly with proper error handling
          ssh -i ~/.ssh/id_ed25519 -o StrictHostKeyChecking=no -o IPQoS=0x00 deploy@alpha.mintel.me "
            set -e
            
            echo '=== Starting deployment ==='
            cd /home/deploy/sites/klz-cables.com
            
            echo '=== Creating .env ==='
            echo 'SENTRY_DSN=${{ secrets.SENTRY_DSN }}' > .env
            
            echo '=== Logging into Docker registry ==='
            echo '${{ secrets.REGISTRY_PASS }}' | docker login registry.infra.mintel.me -u '${{ secrets.REGISTRY_USER }}' --password-stdin
            if [ $? -eq 0 ]; then
              echo '✓ Registry login successful'
            else
              echo '✗ Registry login failed'
              exit 1
            fi
            
            echo '=== Checking current containers ==='
            docker compose ps

            echo '=== Checking current image ==='
            docker images registry.infra.mintel.me/mintel/klz-cables.com:latest

            echo '=== Removing local image to force fresh pull ==='
            docker rmi registry.infra.mintel.me/mintel/klz-cables.com:latest || true

            echo '=== Pulling latest image ==='
            docker compose pull
            echo '✓ Image pull command completed'

            echo '=== Verifying new image after pull ==='
            docker images registry.infra.mintel.me/mintel/klz-cables.com:latest

            echo '=== Checking if image was actually updated ==='
            if docker inspect registry.infra.mintel.me/mintel/klz-cables.com:latest >/dev/null 2>&1; then
              echo '✓ Image exists locally'
            else
              echo '✗ Image pull failed - image not found locally'
              exit 1
            fi
            
            echo '=== Stopping all containers ==='
            docker compose down
            echo '✓ Containers stopped'
            
            echo '=== Starting all containers ==='
            docker compose up -d
            echo '✓ Containers started'
            
            echo '=== Waiting for containers to be ready (20 seconds) ==='
            sleep 20
            
            echo '=== Verifying deployment status ==='
            docker compose ps
            
            echo '=== Checking app container logs ==='
            docker compose logs --tail=30 app
            
            echo '=== Checking varnish container logs ==='
            docker compose logs --tail=20 varnish

            echo '=== Verifying application health ==='
            # Wait a bit more for the app to be fully ready
            sleep 10
            if curl -f -s http://localhost:80/health > /dev/null 2>&1; then
              echo '✓ Application health check passed'
            else
              echo '✗ Application health check failed - checking app logs'
              docker compose logs --tail=50 app
              exit 1
            fi

            echo '=== Cleaning up old images ==='
            docker image prune -f --filter 'until=24h'

            echo '=== Deployment completed successfully ==='
          "

          echo "Deployment completed"