name: Deploy Mnemo Cards

on:
  workflow_dispatch:
  push:
    branches:
      - master
    paths:
      - 'mnemo_cards_web_v2/**'
      - 'mnemo_cards_backend/**'
      - 'mnemo_cards_common/**'
      - 'mnemo_cards_common_backend/**'
jobs:
  deploy-backend:
    name: Deploy Backend
    runs-on: ubuntu-latest
    steps:
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Checkout code
        uses: actions/checkout@v3

      - name: Install Dependencies
        run: |
          apt-get update && apt-get install -y rsync openssh-client

      - 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' --exclude 'isar' \
            mnemo_cards_backend \
            ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:~/

      - name: Obtain Certificates
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            echo "🔐 Checking Let's Encrypt certificates..."

            # Проверяем наличие multi-domain сертификата
            if [ -d "/etc/letsencrypt/live/mnemo-cards.online" ] && [ -f "/etc/letsencrypt/live/mnemo-cards.online/fullchain.pem" ]; then
                echo "✅ Let's Encrypt multi-domain сертификаты уже существуют"
                # Проверяем что nginx работает
                if ! sudo systemctl is-active --quiet nginx; then
                    echo "🚨 nginx не работает! Запускаем..."
                    sudo systemctl start nginx
                    sleep 2
                    if ! sudo systemctl is-active --quiet nginx; then
                        echo "❌ Критическая ошибка: не удалось запустить nginx!"
                        exit 1
                    fi
                fi
            else
                echo "⚠️  Сертификаты не найдены. Пытаемся получить через webroot (nginx продолжает работать)..."

                # Убеждаемся, что nginx запущен
                if ! sudo systemctl is-active --quiet nginx; then
                    echo "🚀 Запускаем nginx для webroot режима..."
                    sudo systemctl start nginx
                    sleep 2
                    if ! sudo systemctl is-active --quiet nginx; then
                        echo "❌ Критическая ошибка: не удалось запустить nginx для получения сертификатов!"
                        exit 1
                    fi
                fi

                # Создаем директорию для webroot challenge
                sudo mkdir -p /var/www/html/.well-known/acme-challenge
                sudo chown -R www-data:www-data /var/www/html

                # Убеждаемся, что nginx может обслуживать ACME challenge
                # Проверяем, есть ли конфигурация для /.well-known
                if ! grep -q "\.well-known" /etc/nginx/sites-enabled/* 2>/dev/null; then
                    echo "📝 Добавляем поддержку ACME challenge в nginx..."
                    # Создаем временную конфигурацию для ACME challenge
                    sudo printf 'server {\n    listen 80;\n    server_name _;\n    location /.well-known/acme-challenge/ {\n        root /var/www/html;\n        try_files $uri =404;\n    }\n    location / {\n        return 404;\n    }\n}\n' > /etc/nginx/sites-available/acme-challenge
                    sudo ln -sf /etc/nginx/sites-available/acme-challenge /etc/nginx/sites-enabled/acme-challenge
                    sudo nginx -t && sudo systemctl reload nginx
                fi

                # Получаем multi-domain сертификат через webroot
                echo "🔐 Получаем Let's Encrypt multi-domain сертификат через webroot..."
                if sudo certbot certonly --webroot \
                    -w /var/www/html \
                    -d mnemo-cards.online \
                    -d api.mnemo-cards.online \
                    -d code.mnemo-cards.online \
                    -d vscode.mnemo-cards.online \
                    --cert-name mnemo-cards.online \
                    --non-interactive --agree-tos --email admin@mnemo-cards.online; then
                    echo "✅ Let's Encrypt multi-domain сертификат успешно получен через webroot!"
                else
                    echo "⚠️  Не удалось получить сертификат через webroot. Продолжаем без HTTPS..."
                fi
            fi
          ENDSSH

      - name: Get Dependencies
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            cd ~/mnemo_cards_backend
            echo "📦 Getting dependencies..."
            dart pub get
          ENDSSH

      - name: Compile Server
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            cd ~/mnemo_cards_backend
            echo "🔨 Compiling server..."
            dart compile exe --verbose lib/main.dart -o server_build.exe
          ENDSSH

      - name: Stop Service
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            echo "🛑 Stopping backend service..."
            sudo systemctl stop mnemo_cards_server || true
            echo "✅ Backend service stopped"
            echo "🔍 Checking nginx status after stopping backend..."
            if sudo systemctl is-active --quiet nginx; then
                echo "✅ nginx still running"
            else
                echo "🚨 nginx also stopped! This is the problem!"
                echo "🚀 Starting nginx..."
                sudo systemctl start nginx
                sleep 2
                if sudo systemctl is-active --quiet nginx; then
                    echo "✅ nginx restarted"
                else
                    echo "❌ Failed to restart nginx!"
                    exit 1
                fi
            fi
          ENDSSH

      - name: Update Service Configuration
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            cd ~/mnemo_cards_backend
            echo "⚙️ Updating service configuration..."
            sudo chmod 777 mnemo_cards_server.service
            sudo cp mnemo_cards_server.service /etc/systemd/system/
          ENDSSH

      - name: Update Executable
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            cd ~/mnemo_cards_backend
            echo "🔄 Replacing executable..."
            sudo cp server_build.exe server.exe
            rm server_build.exe
          ENDSSH

      - name: Configure Certificates
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            # Check certificates and configure mode
            # Используем multi-domain сертификат mnemo-cards.online (если есть)
            if [ -d "/etc/letsencrypt/live/mnemo-cards.online" ] && [ -f "/etc/letsencrypt/live/mnemo-cards.online/fullchain.pem" ]; then
                echo "✅ Let's Encrypt multi-domain сертификат найден. Настраиваем HTTPS режим..."
                sudo sed -i 's|ExecStart=/root/mnemo_cards_backend/server.exe.*|ExecStart=/root/mnemo_cards_backend/server.exe --certs /etc/letsencrypt/live/mnemo-cards.online -a 0.0.0.0 -p 8081|' /etc/systemd/system/mnemo_cards_server.service
            elif [ -d "/etc/letsencrypt/live/api.mnemo-cards.online" ]; then
                echo "✅ Let's Encrypt сертификат для API найден. Настраиваем 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
          ENDSSH

      - name: Restart Service
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            echo "🚀 Restarting service..."
            sudo systemctl daemon-reload
            sudo systemctl start mnemo_cards_server
            sleep 2
            systemctl status mnemo_cards_server --no-pager
          ENDSSH

      - name: Ensure Nginx Running
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            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
                        exit 1
                    fi
                else
                    echo "❌ Ошибка в конфигурации nginx!"
                    sudo nginx -t || true
                    exit 1
                fi
            fi
          ENDSSH

  ensure-nginx-running:
    name: Ensure Nginx Running After Backend
    runs-on: ubuntu-latest
    needs: deploy-backend
    if: always() && needs.deploy-backend.result == 'success'
    steps:
      - 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: Check Nginx Status
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            echo "🔍 Проверяем статус nginx после деплоя backend..."
            if sudo systemctl is-active --quiet nginx; then
                echo "✅ nginx запущен"
                # Тестируем доступность сайтов
                if curl -I --max-time 10 https://code.mnemo-cards.online/ 2>/dev/null | grep -q "200\|301\|302"; then
                    echo "✅ code.mnemo-cards.online доступен"
                else
                    echo "⚠️  code.mnemo-cards.online недоступен"
                fi
                if curl -I --max-time 10 https://vscode.mnemo-cards.online/ 2>/dev/null | grep -q "200\|301\|302"; then
                    echo "✅ vscode.mnemo-cards.online доступен"
                else
                    echo "⚠️  vscode.mnemo-cards.online недоступен"
                fi
            else
                echo "❌ nginx не запущен! Запускаем..."
                sudo systemctl start nginx
                sleep 2
                if sudo systemctl is-active --quiet nginx; then
                    echo "✅ nginx запущен"
                else
                    echo "❌ Не удалось запустить nginx!"
                    sudo systemctl status nginx --no-pager || true
                    exit 1
                fi
            fi
          ENDSSH

  deploy-web:
    name: Deploy Web App
    runs-on: ubuntu-latest
    container: ghcr.io/cirruslabs/flutter:3.35.5
    needs: ensure-nginx-running
    if: always() && needs.ensure-nginx-running.result == 'success'
    steps:
      - name: Install System Dependencies
        run: |
          apt-get update && apt-get install -y rsync openssh-client jq git curl wget gnupg2 software-properties-common ca-certificates

      - name: Setup Node.js
        run: |
          # Install Node.js manually in container
          curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
          apt-get install -y nodejs
          echo "Node.js version: $(node --version)"
          echo "NPM version: $(npm --version)"

      - 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: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          lfs: false

      - name: Configure Git
        run: |
          git config --global http.postBuffer 52428800
          git config --global http.maxRequestBuffer 100M
          git config --global core.compression 0

      - name: Check Nginx Before Web Deploy
        run: |
          echo "🔍 Проверяем статус nginx перед деплоем web..."
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            if sudo systemctl is-active --quiet nginx; then
                echo "✅ nginx работает перед web деплоем"
                # Тестируем доступность
                if curl -I --max-time 5 https://mnemo-cards.online/ 2>/dev/null | grep -q "200\|301\|302"; then
                    echo "✅ mnemo-cards.online доступен"
                else
                    echo "⚠️  mnemo-cards.online недоступен"
                fi
                if curl -I --max-time 5 https://code.mnemo-cards.online/ 2>/dev/null | grep -q "200\|301\|302"; then
                    echo "✅ code.mnemo-cards.online доступен"
                else
                    echo "⚠️  code.mnemo-cards.online недоступен"
                fi
            else
                echo "❌ nginx не работает перед web деплоем!"
                exit 1
            fi
          ENDSSH

      - name: Build Web App
        working-directory: mnemo_cards_web_v2
        run: |
          which flutter || echo "Flutter not found in PATH"
          flutter --version || echo "Flutter command failed"
          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: |
          echo "📦 Копируем веб-приложение..."
          rsync -avz --delete mnemo_cards_web_v2/build/web/ \
            ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:/var/www/mnemo_cards/
          echo "✅ Веб-приложение скопировано"

      - name: Fix Permissions and Verify
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            echo "🔧 Исправляем права доступа..."
            chown -R www-data:www-data /var/www/mnemo_cards
            chmod -R 755 /var/www/mnemo_cards
            echo "✅ Права исправлены"

            echo "🔍 Проверяем nginx после деплоя web..."
            if sudo systemctl is-active --quiet nginx; then
                echo "✅ nginx работает"
                # Перезагружаем nginx для применения новых файлов
                echo "🔄 Перезагружаем nginx..."
                if sudo nginx -t 2>/dev/null; then
                    sudo systemctl reload nginx
                    echo "✅ nginx перезагружен"
                    sleep 2

                    # Тестируем доступность
                    if curl -I --max-time 10 https://mnemo-cards.online/ 2>/dev/null | grep -q "200\|301\|302"; then
                        echo "✅ mnemo-cards.online доступен"
                    else
                        echo "⚠️  mnemo-cards.online недоступен"
                    fi
                    if curl -I --max-time 10 https://code.mnemo-cards.online/ 2>/dev/null | grep -q "200\|301\|302"; then
                        echo "✅ code.mnemo-cards.online доступен"
                    else
                        echo "⚠️  code.mnemo-cards.online недоступен"
                    fi
                else
                    echo "❌ Ошибка в конфигурации nginx!"
                    sudo nginx -t || true
                    exit 1
                fi
            else
                echo "❌ nginx не работает! Запускаем..."
                sudo systemctl start nginx
                sleep 2
                if sudo systemctl is-active --quiet nginx; then
                    echo "✅ nginx запущен"
                else
                    echo "❌ Не удалось запустить nginx!"
                    sudo systemctl status nginx --no-pager || true
                    exit 1
                fi
            fi
          ENDSSH

  final-verification:
    name: Final Verification
    runs-on: ubuntu-latest
    needs: [deploy-backend, deploy-web]
    if: always()
    steps:
      - name: Wait and Verify All Services
        run: |
          echo "⏳ Ждем завершения всех операций..."
          sleep 10

          echo "🔍 Финальная проверка доступности всех сайтов..."
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            set -e
            echo "📊 Статус всех сервисов:"

            # Проверяем nginx
            if sudo systemctl is-active --quiet nginx; then
                echo "✅ nginx: работает"
            else
                echo "❌ nginx: НЕ работает!"
                sudo systemctl status nginx --no-pager || true
            fi

            # Проверяем backend
            if sudo systemctl is-active --quiet mnemo_cards_server; then
                echo "✅ backend: работает"
            else
                echo "❌ backend: НЕ работает!"
                sudo systemctl status mnemo_cards_server --no-pager || true
            fi

            echo ""
            echo "🌐 Тестируем доступность сайтов:"

            # Тестируем все сайты
            sites=("https://mnemo-cards.online/" "https://api.mnemo-cards.online/" "https://code.mnemo-cards.online/" "https://vscode.mnemo-cards.online/")
            for site in "${sites[@]}"; do
                if curl -I --max-time 10 "$site" 2>/dev/null | grep -q "200\|301\|302"; then
                    echo "✅ $site доступен"
                else
                    echo "❌ $site НЕДОСТУПЕН!"
                    curl -I --max-time 5 "$site" || true
                fi
            done

            echo ""
            echo "🎉 Проверка завершена!"
          ENDSSH