# .gitea/workflows/sgeupdated.yml
name: sgeUpdated CI/CD

on:
  push:
    branches:
      - main   # trigger only when code is merged into main
  workflow_dispatch:   # allow manual trigger

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/sgeUpdated
            git fetch origin main
            git reset --hard origin/main

            echo "🔍 Detecting changes..."
            CHANGED_FILES=$(git diff --name-only HEAD^ HEAD || true)
            echo "Changed files: $CHANGED_FILES"

            # --- Skip deploy if no backend/frontend changes ---
            if ! echo "$CHANGED_FILES" | grep -E "(^|/)sge-(frontend|backend)/"; then
              echo "✅ No frontend/backend changes detected. Skipping Docker rebuild."
              exit 0
            fi

            # --- Backend ---
            if echo "$CHANGED_FILES" | grep -E "(^|/)sge-backend/"; then
              echo "⚙️ Backend changes detected. Rebuilding backend..."
              cd sge-backend
              mvn clean install -DskipTests
              cd ..
              docker compose up -d --build backend
            else
              echo "✅ No backend changes detected."
            fi

            # --- Frontend ---
            if echo "$CHANGED_FILES" | grep -E "(^|/)sge-frontend/"; then
              echo "⚙️ Frontend changes detected. Rebuilding frontend..."
              cd sge-frontend
              npm install
              npm run build
              cd ..
              docker compose up -d --build frontend
            else
              echo "✅ No frontend changes detected."
            fi