// ~/config/websocket.js

// Helper function untuk mendeteksi environment
const detectEnvironment = () => {
  // Jika ada environment variable NODE_ENV
  if (process.env.NODE_ENV) {
    return process.env.NODE_ENV;
  }
  
  // Deteksi berdasarkan hostname/URL jika di browser
  if (typeof window !== 'undefined') {
    const hostname = window.location.hostname;
    
    // Local development
    if (hostname === 'localhost' || hostname === '127.0.0.1') {
      return 'development';
    }
    
    // Server di jaringan lokal (IP private)
    if (hostname.match(/^192\.168\./) || 
        hostname.match(/^10\./) || 
        hostname.match(/^172\.(1[6-9]|2[0-9]|3[0-1])\./)) {
      return 'staging';
    }
    
    // Production (domain atau IP public)
    return 'production';
  }
  
  // Default fallback
  return 'development';
};

export const websocketConfig = {
  // Local Development (localhost)
  development: {
    url: 'ws://localhost:8084/api/v1/ws',
    // Alternative untuk development
    // url: 'ws://localhost:8084/api/v1/ws',
    queryParams: {
      user_id: 'QRIS',
      room: 'BANKJATIM'
    },
    options: {
      transports: ['websocket', 'polling'],
      timeout: 15000,
      reconnection: true,
      reconnectionAttempts: 3,
      reconnectionDelay: 1000,
      reconnectionDelayMax: 3000,
    }
  },
  
  // Staging/Network Server (IP jaringan)
  staging: {
    url: 'ws://10.10.150.68:8084/api/v1/ws',
    queryParams: {
      user_id: 'QRIS',
      room: 'BANKJATIM'
    },
    options: {
      transports: ['websocket', 'polling'],
      timeout: 20000,
      reconnection: true,
      reconnectionAttempts: 5,
      reconnectionDelay: 1000,
      reconnectionDelayMax: 5000,
    }
  },
  
  // Production (domain atau IP public)
  production: {
    url: 'wss://your-production-server.com/api/v1/ws',
    queryParams: {
      user_id: 'QRIS',
      room: 'BANKJATIM'
    },
    options: {
      transports: ['websocket', 'polling'],
      timeout: 30000,
      reconnection: true,
      reconnectionAttempts: 10,
      reconnectionDelay: 2000,
      reconnectionDelayMax: 10000,
      // Additional production settings
      secure: true,
      rejectUnauthorized: true,
    }
  },
  
  // Testing Environment
  test: {
    url: 'ws://test-server:8084/api/v1/ws',
    queryParams: {
      user_id: 'QRIS_TEST',
      room: 'BANKJATIM_TEST'
    },
    options: {
      transports: ['websocket'],
      timeout: 10000,
      reconnection: false,
    }
  }
};

// Helper function untuk build URL dengan query parameters
export const buildWebSocketUrl = (baseUrl, queryParams = {}) => {
  const url = new URL(baseUrl);
  Object.entries(queryParams).forEach(([key, value]) => {
    url.searchParams.append(key, value);
  });
  return url.toString();
};

// Helper function untuk mendapatkan config berdasarkan environment
export const getWebSocketConfig = () => {
  const env = detectEnvironment();
  const config = websocketConfig[env] || websocketConfig.development;
  
  // Build URL dengan query parameters
  const fullUrl = buildWebSocketUrl(config.url, config.queryParams);
  
  console.log(`🌍 Detected environment: ${env}`);
  console.log(`🔗 WebSocket URL: ${fullUrl}`);
  
  return {
    ...config,
    fullUrl,
    environment: env
  };
};

// Helper untuk override manual dengan custom query params
export const getCustomWebSocketConfig = (customUrl, customQueryParams = {}, customOptions = {}) => {
  const baseConfig = getWebSocketConfig();
  
  const mergedQueryParams = {
    ...baseConfig.queryParams,
    ...customQueryParams
  };
  
  const fullUrl = buildWebSocketUrl(customUrl, mergedQueryParams);
  
  return {
    ...baseConfig,
    url: customUrl,
    queryParams: mergedQueryParams,
    fullUrl,
    options: {
      ...baseConfig.options,
      ...customOptions
    },
    environment: 'custom'
  };
};

// Environment detection helpers
export const isProduction = () => detectEnvironment() === 'production';
export const isDevelopment = () => detectEnvironment() === 'development';
export const isStaging = () => detectEnvironment() === 'staging';

// Advanced configuration berdasarkan kondisi khusus
export const getAdvancedConfig = () => {
  const baseConfig = getWebSocketConfig();
  
  // Tambah konfigurasi khusus berdasarkan browser atau device
  if (typeof window !== 'undefined') {
    // Mobile device adjustments
    if (navigator.userAgent.match(/Mobile|Android|iPhone|iPad/)) {
      baseConfig.options.timeout = Math.min(baseConfig.options.timeout, 15000);
      baseConfig.options.reconnectionDelay = 2000;
    }
    
    // Connection type adjustments
    if ('connection' in navigator) {
      const connection = navigator.connection;
      if (connection.effectiveType === 'slow-2g' || connection.effectiveType === '2g') {
        baseConfig.options.timeout = 30000;
        baseConfig.options.reconnectionDelay = 3000;
      }
    }
  }
  
  return baseConfig;
};