name: Deploy Mnemo Cards

on:
  workflow_dispatch:
  push:
    branches:
      - master

jobs:
  deploy-backend:
    name: Deploy Backend
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Setup SSH
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.SSH_KEY }}" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
          ssh-keyscan -H ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts

      - name: Sync Source Code
        run: |
          # Sync common packages
          rsync -avz --delete --exclude '.*' --exclude 'build' --exclude 'doc' \
            mnemo_cards_common \
            mnemo_cards_common_backend \
            ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:~/

          # Sync backend project
          rsync -avz --delete --exclude '.*' --exclude 'build' --exclude 'server.exe' \
            mnemo_cards_backend \
            ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:~/

      - name: Build and Deploy Backend
        run: |
          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e -v
            
            cd ~/mnemo_cards_backend
            
            # Get dependencies and compile
            echo "📦 Getting dependencies..."
            dart pub get
            
            echo "🔨 Compiling server..."
            dart compile exe --verbose lib/main.dart -o server_build.exe
            
            # Stop service
            echo "🛑 Stopping service..."
            sudo systemctl stop mnemo_cards_server || true
            
            # Update service file
            echo "⚙️ Updating service configuration..."
            sudo chmod 777 mnemo_cards_server.service
            sudo cp mnemo_cards_server.service /etc/systemd/system/
            
            # Update executable
            echo "🔄 Replacing executable..."
            sudo cp server_build.exe server.exe
            rm server_build.exe
            
            # Check certificates and configure mode
            if [ -d "/etc/letsencrypt/live/api.mnemo-cards.online" ]; then
                echo "✅ Let's Encrypt certificates found. Configuring dual mode..."
                sudo sed -i 's|ExecStart=/root/mnemo_cards_backend/server.exe.*|ExecStart=/root/mnemo_cards_backend/server.exe --dual --certs /etc/letsencrypt/live/api.mnemo-cards.online -a 0.0.0.0 -p 8081|' /etc/systemd/system/mnemo_cards_server.service
            else
                echo "⚠️ No certificates found. Configuring HTTP mode..."
                sudo sed -i 's|ExecStart=/root/mnemo_cards_backend/server.exe.*|ExecStart=/root/mnemo_cards_backend/server.exe -a 0.0.0.0 -p 8081|' /etc/systemd/system/mnemo_cards_server.service
            fi
            
            # Reload and restart
            echo "🚀 Restarting service..."
            sudo systemctl daemon-reload
            sudo systemctl start mnemo_cards_server
            
            # Check status
            sleep 2
            systemctl status mnemo_cards_server --no-pager
            
            # Гарантируем, что nginx запущен (важно для работы code.mnemo-cards.online)
            echo "🔍 Проверяем статус nginx..."
            if sudo systemctl is-active --quiet nginx; then
                echo "✅ nginx уже запущен"
                # Перезагружаем конфигурацию на всякий случай
                if sudo nginx -t 2>/dev/null; then
                    sudo systemctl reload nginx
                    echo "✅ Конфигурация nginx перезагружена"
                fi
            else
                echo "⚠️  nginx не запущен, запускаем..."
                if sudo nginx -t 2>/dev/null; then
                    sudo systemctl start nginx
                    sleep 2
                    if sudo systemctl is-active --quiet nginx; then
                        echo "✅ nginx успешно запущен"
                    else
                        echo "❌ Ошибка: не удалось запустить nginx!"
                        sudo systemctl status nginx --no-pager || true
                    fi
                else
                    echo "❌ Ошибка в конфигурации nginx!"
                    sudo nginx -t || true
                fi
            fi
          ENDSSH

  deploy-web:
    name: Deploy Web App
    runs-on: ubuntu-latest
    needs: deploy-backend
    if: always() # Run even if backend fails (optional, but usually good to separate)
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Setup Flutter
        uses: subosito/flutter-action@v2
        with:
          flutter-version: '3.35.5' # Adjust version as needed
          channel: 'stable'

      - name: Setup SSH
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.SSH_KEY }}" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
          ssh-keyscan -H ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts

      - name: Build Web App
        run: |
          cd mnemo_cards_web_v2
          flutter pub get
          flutter build web --release --dart-define=API_BASE_URL=https://api.mnemo-cards.online --dart2js-optimization=O4

      - name: Deploy Web App
        run: |
          # Sync build artifacts
          rsync -avz --delete build/web/ ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:/var/www/mnemo_cards/

      - name: Fix Permissions
        run: |
          ssh ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} "chown -R www-data:www-data /var/www/mnemo_cards && chmod -R 755 /var/www/mnemo_cards"