name: Build and Deploy Backend

on:
  push:
    branches:
      - main
      - dev
    paths:
      - 'Backend/**'
  workflow_dispatch:

jobs:
  build:
    name: Build Backend Docker Image
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Login to Docker Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ vars.DOCKER_REGISTRY }}
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
          insecure: true

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ vars.DOCKER_REGISTRY }}/elearning-backend
          tags: |
            type=ref,event=branch
            type=sha,prefix=
            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: ./Backend
          file: ./Backend/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          insecure: true

  deploy:
    name: Deploy Backend to Server
    runs-on: ubuntu-latest
    needs: build
    if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/dev'
    steps:
      - name: Remote Deploy
        uses: appleboy/ssh-action@v1.2.1
        with:
          host: ${{ vars.SSH_DEPLOY_HOST }}
          port: ${{ vars.SSH_DEPLOY_PORT }}
          username: ${{ secrets.SSH_DEPLOY_USER }}
          password: ${{ secrets.SSH_DEPLOY_PASSWORD }}
          script: eval "${{ secrets.SSH_DEPLOY_BACKEND_CMD }}"