name: CI/CD Pipeline

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main, develop ]

env:
  PYTHON_VERSION: '3.11'
  NODE_VERSION: '18'

jobs:
  # ==============================================
  # Backend тесты
  # ==============================================
  backend-tests:
    runs-on: ubuntu-latest
    
    services:
      postgres:
        image: postgres:16-alpine
        env:
          POSTGRES_DB: test_db
          POSTGRES_USER: test_user
          POSTGRES_PASSWORD: test_password
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432
      
      redis:
        image: redis:7-alpine
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 6379:6379
    
    steps:
      - uses: actions/checkout@v3
      
      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION }}
      
      - name: Install dependencies
        working-directory: ./backend
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt
      
      - name: Lint with flake8
        working-directory: ./backend
        run: |
          pip install flake8
          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
      
      - name: Run tests
        working-directory: ./backend
        env:
          DATABASE_URL: postgresql://test_user:test_password@localhost:5432/test_db
          REDIS_URL: redis://localhost:6379/0
          SECRET_KEY: test-secret-key
          DEBUG: 'False'
        run: |
          python manage.py test --noinput
      
      - name: Check migrations
        working-directory: ./backend
        run: |
          python manage.py makemigrations --check --dry-run

  # ==============================================
  # Frontend тесты
  # ==============================================
  frontend-tests:
    runs-on: ubuntu-latest
    
    steps:
      - uses: actions/checkout@v3
      
      - name: Set up Node.js
        uses: actions/setup-node@v3
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'
          cache-dependency-path: ./frontend/package-lock.json
      
      - name: Install dependencies
        working-directory: ./frontend
        run: npm ci
      
      - name: Lint
        working-directory: ./frontend
        run: npm run lint || true
      
      - name: Type check
        working-directory: ./frontend
        run: npm run type-check || true
      
      - name: Build
        working-directory: ./frontend
        env:
          NEXT_PUBLIC_API_URL: http://localhost:8123/api
        run: npm run build

  # ==============================================
  # Docker build
  # ==============================================
  docker-build:
    runs-on: ubuntu-latest
    needs: [backend-tests, frontend-tests]
    
    steps:
      - uses: actions/checkout@v3
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      
      - name: Build backend image
        uses: docker/build-push-action@v4
        with:
          context: ./backend
          push: false
          tags: platform-backend:test
          cache-from: type=gha
          cache-to: type=gha,mode=max
      
      - name: Build frontend image
        uses: docker/build-push-action@v4
        with:
          context: ./frontend
          push: false
          tags: platform-frontend:test
          cache-from: type=gha
          cache-to: type=gha,mode=max

  # ==============================================
  # Deploy (только для main ветки)
  # ==============================================
  deploy:
    runs-on: ubuntu-latest
    needs: [docker-build]
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
    
    steps:
      - uses: actions/checkout@v3
      
      - name: Deploy to production
        run: |
          echo "Deploy to production server"
          # Здесь будет команда деплоя на сервер
          # Например, через SSH или через Docker registry