name: Build and Deploy Backend

on:
  push:
    branches:
      - main
  workflow_dispatch:

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: .
          push: true
          tags: ${{ secrets.DOCKER_USERNAME }}/skript-be:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max

  deploy:
    needs: build-and-push
    runs-on: ubuntu-latest
    steps:
      - name: Deploy via SSH
        uses: appleboy/ssh-action@v1.0.0
        with:
          host: ${{ secrets.HOST }}
          username: ${{ secrets.USERNAME }}
          key: ${{ secrets.KEY }}
          port: ${{ secrets.PORT }}
          script: |
            # Pull latest image
            docker pull ${{ secrets.DOCKER_USERNAME }}/skript-be:latest
            
            # Stop existing container
            docker stop skript-be || true
            docker rm skript-be || true
            
            # Run new container
            docker run -d \
              --name skript-be \
              --restart always \
              --network gitea \
              -p 1502:3000 \
              -e DATABASE_URL='${{ secrets.DATABASE_URL }}' \
              -e REDIS_HOST='${{ secrets.REDIS_HOST }}' \
              -e JWT_SECRET='${{ secrets.JWT_SECRET }}' \
              -e GEMINI_API_KEY='${{ secrets.GEMINI_API_KEY }}' \
              ${{ secrets.DOCKER_USERNAME }}/skript-be:latest
            
            # Prune unused images to save space
            docker image prune -f