name: 2026 World Cup Quant Platform - Production Deployment

on:
  push:
    branches:
      - main

jobs:
  test-and-lint:
    name: Code Quality & Testing
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'
          cache: 'pip'
          
      - name: Install Backend Dependencies
        run: pip install -r backend/requirements.txt pytest
        
      - name: Run Backend Quant Engine Tests
        run: pytest backend/app/analytics/

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          cache: 'npm'
          cache-dependency-path: frontend/package-lock.json

      - name: Run Frontend Linting
        run: |
          cd frontend
          npm ci
          npm run lint

  deploy-docker:
    name: Deploy to Production VM via Docker Compose
    needs: test-and-lint
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'
    
    steps:
      - name: Deploy to Ubuntu Server via SSH
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.PROD_SERVER_IP }}
          username: ${{ secrets.PROD_SERVER_USER }}
          key: ${{ secrets.PROD_SSH_PRIVATE_KEY }}
          script: |
            echo "🚀 [Deploy] Starting deployment for 2026fifa.wooo.work"
            
            # 進入專案目錄
            cd /opt/worldcup-quant-2026
            
            # 抓取最新程式碼
            git pull origin main
            
            # 使用 Docker Compose 重新建置並平滑重啟容器
            # --build: 強制重新編譯 Dockerfile (前端靜態檔與後端依賴)
            # -d: 背景執行
            docker-compose -f docker-compose.prod.yml up --build -d
            
            # 執行資料庫遷移 (若使用 Alembic)
            # docker exec quant_backend alembic upgrade head
            
            # 清理閒置的舊 Image 釋放伺服器空間
            docker image prune -f
            
            echo "✅ [Deploy] Deployment completed successfully!"