name: sgeUpdated CI/CD

on:
  push:
    branches:
      - main
  workflow_dispatch:

concurrency:
  group: sgeupdated-deploy-${{ github.ref }}
  cancel-in-progress: true

jobs:
  deploy:
    runs-on: ubuntu-latest

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

      - name: Deploy over SSH
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.SERVER_HOST }}
          username: ${{ secrets.SERVER_USER }}
          key: ${{ secrets.SSH_PRIVATE_KEY }}
          script_stop: true
          script: |
            set -euo pipefail

            cd /home/ubuntu/Bgreen/sgeUpdated

            echo "📦 Fetching latest code from your fork..."
            git fetch myfork main

            # Detect which files changed in the last commit
            CHANGED_FILES=$(git diff --name-only HEAD HEAD~1)
            echo "🪶 Changed files:"
            echo "$CHANGED_FILES"

            echo "🔄 Resetting to your fork's main branch..."
            git reset --hard myfork/main

            BACKEND_CHANGED=false
            FRONTEND_CHANGED=false

            # Check if backend folder changed
            if echo "$CHANGED_FILES" | grep -q "^sge-backend/"; then
              BACKEND_CHANGED=true
            fi

            # Check if frontend folder changed
            if echo "$CHANGED_FILES" | grep -q "^sge-frontend/"; then
              FRONTEND_CHANGED=true
            fi

            # Backend section (currently commented out)
            # if [ "$BACKEND_CHANGED" = true ]; then
            #   echo "⚡ Backend changes detected."
            #   cd sge-backend
            #   echo "Running Maven build..."
            #   /opt/apache-maven-3.9.11/bin/mvn clean install -DskipTests
            #   cd ../..  # back to /home/ubuntu/Bgreen
            #   echo "Rebuilding backend Docker container..."
            #   docker compose up -d --build bgreen-backend
            # else
            #   echo "✅ No backend changes."
            # fi

            # Frontend section
            if [ "$FRONTEND_CHANGED" = true ]; then
              echo "⚡ Frontend changes detected."
              cd sge-frontend
              echo "Running npm build..."
              # npm install
              # npm run build
              cd ../..  # back to /home/ubuntu/Bgreen
              echo "Rebuilding frontend Docker container..."
              docker compose up -d --build bgreen-frontend
            else
              echo "✅ No frontend changes."
            fi

            # If no changes at all, just restart containers (optional)
            if [ "$BACKEND_CHANGED" = false ] && [ "$FRONTEND_CHANGED" = false ]; then
              echo "♻️ No source changes detected. Restarting containers..."
              docker compose up -d
            fi

            echo "✅ Deployment check complete."