name: Deploy to Testing Server

on:
  pull_request:
    branches:
      - develop
    types: [opened, synchronize, reopened]

jobs:
  deploy:
    name: Deploy to Testing Server
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == false # Только для открытых PR

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "18"
          cache: "yarn"

      - name: Install dependencies
        run: yarn install --frozen-lockfile

      - name: Run linting
        run: yarn lint:check

      - name: Build application
        run: yarn build

      - name: Build Docker image
        run: |
          docker build -t low-code-engine:testing-${{ github.event.pull_request.number }} .

      - name: Save Docker image
        run: |
          docker save low-code-engine:testing-${{ github.event.pull_request.number }} | gzip > low-code-engine-testing.tar.gz

      - name: Deploy to Testing Server
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.TESTING_SERVER_HOST }}
          username: ${{ secrets.TESTING_SERVER_USER }}
          key: ${{ secrets.TESTING_SERVER_SSH_KEY }}
          port: ${{ secrets.TESTING_SERVER_PORT || 22 }}
          script: |
            # Создаем директорию для приложения если её нет
            mkdir -p /opt/low-code-engine/testing-pr-${{ github.event.pull_request.number }}
            cd /opt/low-code-engine/testing-pr-${{ github.event.pull_request.number }}

            # Останавливаем существующие контейнеры если они есть
            docker-compose down || true

            # Удаляем старые образы
            docker image prune -f || true

      - name: Copy files to server
        uses: appleboy/scp-action@v0.1.7
        with:
          host: ${{ secrets.TESTING_SERVER_HOST }}
          username: ${{ secrets.TESTING_SERVER_USER }}
          key: ${{ secrets.TESTING_SERVER_SSH_KEY }}
          port: ${{ secrets.TESTING_SERVER_PORT || 22 }}
          source: "low-code-engine-testing.tar.gz,docker-compose.yml,docker/"
          target: "/opt/low-code-engine/testing-pr-${{ github.event.pull_request.number }}/"

      - name: Load and run Docker containers
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.TESTING_SERVER_HOST }}
          username: ${{ secrets.TESTING_SERVER_USER }}
          key: ${{ secrets.TESTING_SERVER_SSH_KEY }}
          port: ${{ secrets.TESTING_SERVER_PORT || 22 }}
          script: |
            cd /opt/low-code-engine/testing-pr-${{ github.event.pull_request.number }}

            # Загружаем Docker образ
            gunzip -c low-code-engine-testing.tar.gz | docker load

            # Создаем .env файл для тестового окружения
            cat > .env << EOF
            NODE_ENV=testing
            DB_ROOT_PASSWORD=${{ secrets.TESTING_DB_ROOT_PASSWORD }}
            DB_DATABASE=low_code_engine_pr_${{ github.event.pull_request.number }}
            DB_USERNAME=${{ secrets.TESTING_DB_USERNAME }}
            DB_PASSWORD=${{ secrets.TESTING_DB_PASSWORD }}
            DB_PORT=3306
            APP_PORT=${{ vars.TESTING_BASE_PORT || 3000 }}${{ github.event.pull_request.number }}
            REDIS_HOST=redis
            REDIS_PORT=6379
            EOF

            # Создаем docker-compose.override.yml для тестового окружения
            cat > docker-compose.override.yml << EOF
            version: "3.8"
            services:
              app:
                image: low-code-engine:testing-${{ github.event.pull_request.number }}
                ports:
                  - "\${APP_PORT}:3000"
                environment:
                  NODE_ENV: testing
                  DB_HOST: mariadb
                  DB_PORT: 3306
                  DB_USERNAME: \${DB_USERNAME}
                  DB_PASSWORD: \${DB_PASSWORD}
                  DB_DATABASE: \${DB_DATABASE}
                  REDIS_HOST: redis
                  REDIS_PORT: 6379
              
              mariadb:
                ports:
                  - "${{ vars.TESTING_BASE_DB_PORT || 3306 }}${{ github.event.pull_request.number }}:3306"
                environment:
                  MYSQL_DATABASE: \${DB_DATABASE}
              
              redis:
                image: redis:7-alpine
                ports:
                  - "${{ vars.TESTING_BASE_REDIS_PORT || 6379 }}${{ github.event.pull_request.number }}:6379"
            EOF

            # Запускаем контейнеры
            docker-compose up -d

            # Ждем пока база данных запустится
            sleep 30

            # Запускаем миграции
            docker-compose exec -T app yarn migration:run || true

            # Проверяем статус контейнеров
            docker-compose ps

      - name: Health check
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.TESTING_SERVER_HOST }}
          username: ${{ secrets.TESTING_SERVER_USER }}
          key: ${{ secrets.TESTING_SERVER_SSH_KEY }}
          port: ${{ secrets.TESTING_SERVER_PORT || 22 }}
          script: |
            cd /opt/low-code-engine/testing-pr-${{ github.event.pull_request.number }}

            # Проверяем доступность приложения
            APP_PORT=${{ vars.TESTING_BASE_PORT || 3000 }}${{ github.event.pull_request.number }}

            for i in {1..10}; do
              if curl -f http://localhost:$APP_PORT/health > /dev/null 2>&1; then
                echo "✅ Application is healthy on port $APP_PORT"
                break
              fi
              echo "⏳ Waiting for application to start... (attempt $i/10)"
              sleep 10
            done

      - name: Comment PR with deployment info
        uses: actions/github-script@v7
        with:
          script: |
            const prNumber = context.payload.pull_request.number;
            const appPort = ${{ vars.TESTING_BASE_PORT || 3000 }} + prNumber;
            const dbPort = ${{ vars.TESTING_BASE_DB_PORT || 3306 }} + prNumber;
            const redisPort = ${{ vars.TESTING_BASE_REDIS_PORT || 6379 }} + prNumber;

            const comment = `## 🚀 Testing Deployment

            Your PR has been deployed to the testing server!

            **Deployment Details:**
            - 🌐 Application URL: http://${{ secrets.TESTING_SERVER_HOST }}:${appPort}
            - 🗄️ Database Port: ${dbPort}
            - 🔴 Redis Port: ${redisPort}
            - 📁 Server Path: \`/opt/low-code-engine/testing-pr-${prNumber}\`

            **Available Commands on Server:**
            \`\`\`bash
            cd /opt/low-code-engine/testing-pr-${prNumber}
            docker-compose logs app     # View application logs
            docker-compose logs mariadb # View database logs
            docker-compose ps           # Check container status
            docker-compose exec app yarn migration:run  # Run migrations
            \`\`\`

            > **Note:** This deployment will be automatically cleaned up when the PR is closed or merged.
            `;

            github.rest.issues.createComment({
              issue_number: prNumber,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: comment
            });

  cleanup:
    name: Cleanup on PR Close
    runs-on: ubuntu-latest
    if: github.event.pull_request.state == 'closed'

    steps:
      - name: Cleanup testing environment
        uses: appleboy/ssh-action@v1.0.3
        with:
          host: ${{ secrets.TESTING_SERVER_HOST }}
          username: ${{ secrets.TESTING_SERVER_USER }}
          key: ${{ secrets.TESTING_SERVER_SSH_KEY }}
          port: ${{ secrets.TESTING_SERVER_PORT || 22 }}
          script: |
            cd /opt/low-code-engine/testing-pr-${{ github.event.pull_request.number }}

            # Останавливаем и удаляем контейнеры
            docker-compose down -v || true

            # Удаляем Docker образ
            docker rmi low-code-engine:testing-${{ github.event.pull_request.number }} || true

            # Удаляем директорию развертывания
            cd ..
            rm -rf testing-pr-${{ github.event.pull_request.number }}

            echo "✅ Cleanup completed for PR #${{ github.event.pull_request.number }}"

      - name: Comment PR with cleanup info
        uses: actions/github-script@v7
        with:
          script: |
            const comment = `## 🧹 Testing Environment Cleaned Up

            The testing deployment for this PR has been cleaned up:
            - ✅ Docker containers stopped and removed
            - ✅ Docker images cleaned up  
            - ✅ Server files removed

            Thank you for testing! 🎉
            `;

            github.rest.issues.createComment({
              issue_number: context.payload.pull_request.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: comment
            });