name: Deploy to Remote Server

on:
  # Trigger after successful build (using workflow_run)
  workflow_run:
    workflows: ["Build and Deploy Docker Image"]
    types:
      - completed
    branches: ["main"]

  # Allow manual trigger for redeployment
  workflow_dispatch:
    inputs:
      image_tag:
        description: "Image tag to deploy (default: latest)"
        required: false
        default: "latest"

env:
  GITEA_INSTANCE_URL: git.deowl.ru
  IMAGE_NAME: vkrb/quantum_backend
  REMOTE_HOST: ${{ secrets.REMOTE_HOST }}
  REMOTE_USER: ${{ secrets.REMOTE_USER }}
  COMPOSE_PATH: /usr/local/share/vkrb/quantum_backend # Path to docker-compose.yml on remote server

jobs:
  deploy:
    # Only run if the build workflow succeeded
    if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' }}
    runs-on: ubuntu-latest

    steps:
      - name: Deploy via SSH
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.REMOTE_HOST }}
          username: ${{ secrets.REMOTE_USER }}
          key: ${{ secrets.SSH_PRIVATE_KEY }}
          script_stop: true
          script: |
            cd ${{ env.COMPOSE_PATH }}

            # Get the tag to deploy
            if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
              TAG="${{ github.event.inputs.image_tag }}"
            else
              TAG="${{ github.event.workflow_run.head_sha }}"
            fi

            # Use 'latest' if no specific tag
            if [ -z "$TAG" ]; then
              TAG="latest"
            fi

            echo "Deploying tag: $TAG"

            # Method 1: Using environment variable (recommended)
            export IMAGE_TAG=$TAG
            docker compose pull app  # Pull only the app service

            # Redeploy with the new image
            docker compose up -d --no-deps --force-recreate app

            # Clean up old images
            docker image prune -f

            # Check container status
            docker compose ps