name: Deploy

on:
  workflow_run:
    workflows: ["CI"]
    types:
      - completed
    branches: ["main"]

jobs:
  deploy:
    runs-on: ubuntu-latest
    # Only deploy if CI workflow succeeded
    if: ${{ github.event.workflow_run.conclusion == 'success' }}

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Stop existing containers
        run: |
          # Stop and remove existing containers if they exist
          docker compose down --remove-orphans || true

      - name: Build and deploy with Docker Compose
        run: |
          # Build images
          docker compose build

          # Deploy the stack in detached mode
          export GOOGLE_BOOKS_API_KEY="${{ secrets.GOOGLE_BOOKS_API_KEY }}"
          docker compose up -d

          # Wait for health checks to pass
          echo "Waiting for application to be healthy..."
          timeout 300 sh -c 'until docker compose ps | grep -q "healthy"; do sleep 5; done'

      - name: Verify deployment
        run: |
          # Check if all services are running
          docker compose ps

          # Test if the application responds
          sleep 10
          wget --spider --no-check-certificate https://172.17.0.1:5123 || exit 1

          echo "Deployment successful!"

      - name: Cleanup old images
        run: |
          # Remove dangling images to save space
          docker image prune -f