import 'dotenv/config'
/**
 * 简化的环境变量管理器
 * 统一处理所有环境变量读取，避免重复的 process.env 调用
 */
export class SimpleEnv {
  /**
   * 获取环境变量值
   */
  static get(key, defaultValue) {
    if (this.cache.has(key)) {
      return this.cache.get(key)
    }
    const value = process.env[key] || defaultValue
    this.cache.set(key, value)
    return value
  }
  /**
   * 获取必需的环境变量值，如果不存在则抛出错误
   */
  static require(key) {
    const value = this.get(key)
    if (!value) {
      throw new Error(`Required environment variable ${key} is not set`)
    }
    return value
  }
  /**
   * 获取布尔值环境变量
   */
  static bool(key, defaultValue = false) {
    const value = this.get(key)
    if (!value) return defaultValue
    return ['true', '1', 'yes', 'on'].includes(value.toLowerCase())
  }
  /**
   * 获取数字环境变量
   */
  static number(key, defaultValue) {
    const value = this.get(key)
    if (!value) return defaultValue
    const num = parseInt(value, 10)
    return isNaN(num) ? defaultValue : num
  }
  /**
   * 获取 JSON 环境变量
   */
  static json(key, defaultValue) {
    const value = this.get(key)
    if (!value) return defaultValue
    try {
      return JSON.parse(value)
    } catch {
      return defaultValue
    }
  }
  /**
   * 获取数组环境变量（逗号分隔）
   */
  static array(key, defaultValue = []) {
    const value = this.get(key)
    if (!value) return defaultValue
    return value
      .split(',')
      .map(s => s.trim())
      .filter(s => s.length > 0)
  }
  /**
   * 清除缓存
   */
  static clearCache() {
    this.cache.clear()
  }
  /**
   * 批量获取带前缀的环境变量
   */
  static getPrefix(prefix) {
    const result = {}
    Object.keys(process.env).forEach(key => {
      if (key.startsWith(prefix)) {
        const shortKey = key.slice(prefix.length)
        const value = process.env[key]
        if (value) {
          result[shortKey] = value
        }
      }
    })
    return result
  }
}
SimpleEnv.cache = new Map()
/**
 * 预定义的配置键，只包含需要从环境变量读取的配置
 */
export const EnvKeys = {
  // 基础配置 (可选，有默认值)
  NODE_ENV: 'NODE_ENV',
  LOG_LEVEL: 'LOG_LEVEL',
  // Aster DEX 认证 (必需)
  ASTER_ORDER_USER: 'ASTER_ORDER_USER',
  ASTER_API_KEY: 'ASTER_API_KEY',
  ASTER_API_SECRET: 'ASTER_API_SECRET',
  // Aster 第二账户 (可选)
  ASTER2_ORDER_USER: 'ASTER2_ORDER_USER',
  ASTER2_ORDER_SIGNER: 'ASTER2_ORDER_SIGNER',
  PRIVATE_KEY2: 'PRIVATE_KEY2',
  // Pacifica DEX 认证 (必需)
  PACIFICA_ACCOUNT: 'PACIFICA_ACCOUNT',
  PACIFICA_ACCOUNT_PRIVATE_KEY: 'PACIFICA_ACCOUNT_PRIVATE_KEY',
  // 测试配置 (可选)
  PACIFICA_ENABLE_TEST_ORDER: 'PACIFICA_ENABLE_TEST_ORDER',
  PACIFICA_TEST_QTY: 'PACIFICA_TEST_QTY',
  // Binance (可选)
  BINANCE_API_KEY: 'BINANCE_API_KEY',
  BINANCE_SECRET_KEY: 'BINANCE_SECRET_KEY',
  // Proxy 配置 (可选)
  PROXY_ENABLED: 'PROXY_ENABLED',
  PROXY_PROTOCOL: 'PROXY_PROTOCOL',
  PROXY_HOST: 'PROXY_HOST',
  PROXY_PORT: 'PROXY_PORT',
  PROXY_USERNAME: 'PROXY_USERNAME',
  PROXY_PASSWORD: 'PROXY_PASSWORD',
  // 高级代理配置 (会话管理)
  PROXY_SESSION_PREFIX: 'PROXY_SESSION_PREFIX',
  PROXY_SESSION_SUFFIX: 'PROXY_SESSION_SUFFIX',
  PROXY_SESSION_STATIC: 'PROXY_SESSION_STATIC',
  // 交易所专用代理 (可选，优先级高于全局代理)
  ASTER_PROXY_PROTOCOL: 'ASTER_PROXY_PROTOCOL',
  ASTER_PROXY_HOST: 'ASTER_PROXY_HOST',
  ASTER_PROXY_PORT: 'ASTER_PROXY_PORT',
  ASTER_PROXY_USER: 'ASTER_PROXY_USER',
  ASTER_PROXY_PASS: 'ASTER_PROXY_PASS',
  ASTER_PROXY_SESSION_PREFIX: 'ASTER_PROXY_SESSION_PREFIX',
  ASTER_PROXY_SESSION_SUFFIX: 'ASTER_PROXY_SESSION_SUFFIX',
  ASTER_PROXY_SESSION_STATIC: 'ASTER_PROXY_SESSION_STATIC',
  // Pacifica专用代理
  PACIFICA_PROXY_PROTOCOL: 'PACIFICA_PROXY_PROTOCOL',
  PACIFICA_PROXY_HOST: 'PACIFICA_PROXY_HOST',
  PACIFICA_PROXY_PORT: 'PACIFICA_PROXY_PORT',
  PACIFICA_PROXY_USER: 'PACIFICA_PROXY_USER',
  PACIFICA_PROXY_PASS: 'PACIFICA_PROXY_PASS',
  PACIFICA_PROXY_SESSION_PREFIX: 'PACIFICA_PROXY_SESSION_PREFIX',
  PACIFICA_PROXY_SESSION_SUFFIX: 'PACIFICA_PROXY_SESSION_SUFFIX',
  PACIFICA_PROXY_SESSION_STATIC: 'PACIFICA_PROXY_SESSION_STATIC',
  // Binance专用代理
  BINANCE_PROXY_PROTOCOL: 'BINANCE_PROXY_PROTOCOL',
  BINANCE_PROXY_HOST: 'BINANCE_PROXY_HOST',
  BINANCE_PROXY_PORT: 'BINANCE_PROXY_PORT',
  BINANCE_PROXY_USER: 'BINANCE_PROXY_USER',
  BINANCE_PROXY_PASS: 'BINANCE_PROXY_PASS',
  BINANCE_PROXY_SESSION_PREFIX: 'BINANCE_PROXY_SESSION_PREFIX',
  BINANCE_PROXY_SESSION_SUFFIX: 'BINANCE_PROXY_SESSION_SUFFIX',
  BINANCE_PROXY_SESSION_STATIC: 'BINANCE_PROXY_SESSION_STATIC',
}
/**
 * 统一的配置对象 - 将固定配置写死，只有认证信息从环境变量读取
 */
export const Config = {
  // 基础配置
  nodeEnv: () => SimpleEnv.get(EnvKeys.NODE_ENV, 'development'),
  logLevel: () => SimpleEnv.get(EnvKeys.LOG_LEVEL, 'info'),
  isDev: () => Config.nodeEnv() === 'development',
  isProd: () => Config.nodeEnv() === 'production',
  // Aster 配置 - 固定的服务端点，只有认证信息动态
  aster: {
    // 固定配置 - 不从环境变量读取
    wsUrl: 'wss://fstream.asterdex.com',
    httpBase: 'https://fapi.asterdex.com',
    subscribeSymbols: ['BTCUSDT', 'ETHUSDT'],
    wsPingInterval: 30000,
    wsPongTimeout: 10000,
    wsReconnectInterval: 5000,
    wsMaxReconnectAttempts: 10,
    recvWindow: 50000,
    // 动态配置 - 从环境变量读取
    orderUser: () => SimpleEnv.get(EnvKeys.ASTER_ORDER_USER),
    apiKey: () => SimpleEnv.get(EnvKeys.ASTER_API_KEY),
    apiSecret: () => SimpleEnv.get(EnvKeys.ASTER_API_SECRET),
    // 第二账户
    orderUser2: () => SimpleEnv.get(EnvKeys.ASTER2_ORDER_USER),
    orderSigner2: () => SimpleEnv.get(EnvKeys.ASTER2_ORDER_SIGNER),
    privateKey2: () => SimpleEnv.get(EnvKeys.PRIVATE_KEY2),
  },
  // Pacifica 配置 - 固定的服务端点，只有认证信息动态
  pacifica: {
    // 固定配置 - 不从环境变量读取
    baseUrl: 'https://api.pacifica.fi',
    wsUrl: 'wss://ws.pacifica.fi/ws',
    symbol: 'BTC-USD',
    defaultQty: 0.001,
    // 动态配置 - 从环境变量读取
    account: () => SimpleEnv.get(EnvKeys.PACIFICA_ACCOUNT),
    accountPrivateKey: () => SimpleEnv.get(EnvKeys.PACIFICA_ACCOUNT_PRIVATE_KEY),
    enableTestOrder: () => SimpleEnv.bool(EnvKeys.PACIFICA_ENABLE_TEST_ORDER, false),
    testQty: () => SimpleEnv.number(EnvKeys.PACIFICA_TEST_QTY, 0.001),
  },
  // Binance 配置 - 只有认证信息
  binance: {
    // 固定配置
    baseUrl: 'https://api.binance.com',
    wsUrl: 'wss://stream.binance.com:9443/ws',
    // 动态配置
    apiKey: () => SimpleEnv.get(EnvKeys.BINANCE_API_KEY),
    secretKey: () => SimpleEnv.get(EnvKeys.BINANCE_SECRET_KEY),
  },
  // Proxy 配置 - 支持全局和交易所专用代理
  proxy: {
    // 全局代理配置
    enabled: () => SimpleEnv.bool(EnvKeys.PROXY_ENABLED, false),
    protocol: () => SimpleEnv.get(EnvKeys.PROXY_PROTOCOL, 'http'),
    host: () => SimpleEnv.get(EnvKeys.PROXY_HOST),
    port: () => SimpleEnv.number(EnvKeys.PROXY_PORT, 8080),
    username: () => SimpleEnv.get(EnvKeys.PROXY_USERNAME),
    password: () => SimpleEnv.get(EnvKeys.PROXY_PASSWORD),
    // 会话管理 (高级功能)
    sessionPrefix: () => SimpleEnv.get(EnvKeys.PROXY_SESSION_PREFIX),
    sessionSuffix: () => SimpleEnv.get(EnvKeys.PROXY_SESSION_SUFFIX),
    sessionStatic: () => SimpleEnv.get(EnvKeys.PROXY_SESSION_STATIC),
    // 交易所专用代理配置
    aster: {
      protocol: () => SimpleEnv.get(EnvKeys.ASTER_PROXY_PROTOCOL, 'http'),
      host: () => SimpleEnv.get(EnvKeys.ASTER_PROXY_HOST),
      port: () => SimpleEnv.number(EnvKeys.ASTER_PROXY_PORT, 12321),
      user: () => SimpleEnv.get(EnvKeys.ASTER_PROXY_USER),
      pass: () => SimpleEnv.get(EnvKeys.ASTER_PROXY_PASS),
      sessionPrefix: () => SimpleEnv.get(EnvKeys.ASTER_PROXY_SESSION_PREFIX),
      sessionSuffix: () => SimpleEnv.get(EnvKeys.ASTER_PROXY_SESSION_SUFFIX),
      sessionStatic: () => SimpleEnv.get(EnvKeys.ASTER_PROXY_SESSION_STATIC),
      isConfigured: () => {
        return !!Config.proxy.aster.host() && !!Config.proxy.aster.user()
      },
    },
    pacifica: {
      protocol: () => SimpleEnv.get(EnvKeys.PACIFICA_PROXY_PROTOCOL, 'http'),
      host: () => SimpleEnv.get(EnvKeys.PACIFICA_PROXY_HOST),
      port: () => SimpleEnv.number(EnvKeys.PACIFICA_PROXY_PORT, 8080),
      user: () => SimpleEnv.get(EnvKeys.PACIFICA_PROXY_USER),
      pass: () => SimpleEnv.get(EnvKeys.PACIFICA_PROXY_PASS),
      sessionPrefix: () => SimpleEnv.get(EnvKeys.PACIFICA_PROXY_SESSION_PREFIX),
      sessionSuffix: () => SimpleEnv.get(EnvKeys.PACIFICA_PROXY_SESSION_SUFFIX),
      sessionStatic: () => SimpleEnv.get(EnvKeys.PACIFICA_PROXY_SESSION_STATIC),
      isConfigured: () => {
        return !!Config.proxy.pacifica.host() && !!Config.proxy.pacifica.user()
      },
    },
    binance: {
      protocol: () => SimpleEnv.get(EnvKeys.BINANCE_PROXY_PROTOCOL, 'http'),
      host: () => SimpleEnv.get(EnvKeys.BINANCE_PROXY_HOST),
      port: () => SimpleEnv.number(EnvKeys.BINANCE_PROXY_PORT, 8080),
      user: () => SimpleEnv.get(EnvKeys.BINANCE_PROXY_USER),
      pass: () => SimpleEnv.get(EnvKeys.BINANCE_PROXY_PASS),
      sessionPrefix: () => SimpleEnv.get(EnvKeys.BINANCE_PROXY_SESSION_PREFIX),
      sessionSuffix: () => SimpleEnv.get(EnvKeys.BINANCE_PROXY_SESSION_SUFFIX),
      sessionStatic: () => SimpleEnv.get(EnvKeys.BINANCE_PROXY_SESSION_STATIC),
      isConfigured: () => {
        return !!Config.proxy.binance.host() && !!Config.proxy.binance.user()
      },
    },
    // 生成随机会话ID (8位字符)
    generateSessionId: () => {
      const chars = 'abcdefghijklmnopqrstuvwxyz0123456789'
      let result = ''
      for (let i = 0; i < 8; i++) {
        result += chars.charAt(Math.floor(Math.random() * chars.length))
      }
      return result
    },
    // 构建代理密码 (支持会话管理)
    buildPassword: exchange => {
      let config
      // 优先使用交易所专用配置
      if (exchange === 'aster' && Config.proxy.aster.isConfigured()) {
        config = {
          pass: Config.proxy.aster.pass(),
          prefix: Config.proxy.aster.sessionPrefix(),
          suffix: Config.proxy.aster.sessionSuffix(),
          static: Config.proxy.aster.sessionStatic(),
        }
      } else if (exchange === 'pacifica' && Config.proxy.pacifica.isConfigured()) {
        config = {
          pass: Config.proxy.pacifica.pass(),
          prefix: Config.proxy.pacifica.sessionPrefix(),
          suffix: Config.proxy.pacifica.sessionSuffix(),
          static: Config.proxy.pacifica.sessionStatic(),
        }
      } else if (exchange === 'binance' && Config.proxy.binance.isConfigured()) {
        config = {
          pass: Config.proxy.binance.pass(),
          prefix: Config.proxy.binance.sessionPrefix(),
          suffix: Config.proxy.binance.sessionSuffix(),
          static: Config.proxy.binance.sessionStatic(),
        }
      } else {
        // 使用全局配置
        config = {
          pass: Config.proxy.password(),
          prefix: Config.proxy.sessionPrefix(),
          suffix: Config.proxy.sessionSuffix(),
          static: Config.proxy.sessionStatic(),
        }
      }
      // 方式一：直接使用完整密码
      if (config.pass) {
        return config.pass
      }
      // 方式二：使用前后缀+会话ID
      if (config.prefix && config.suffix) {
        const sessionId = config.static || Config.proxy.generateSessionId()
        return `${config.prefix}${sessionId}${config.suffix}`
      }
      return undefined
    },
    // 获取代理URL (支持交易所专用配置)
    getUrl: exchange => {
      let proxyConfig
      // 优先使用交易所专用代理
      if (exchange === 'aster' && Config.proxy.aster.isConfigured()) {
        proxyConfig = {
          protocol: Config.proxy.aster.protocol(),
          host: Config.proxy.aster.host(),
          port: Config.proxy.aster.port(),
          username: Config.proxy.aster.user(),
          password: Config.proxy.buildPassword('aster'),
        }
      } else if (exchange === 'pacifica' && Config.proxy.pacifica.isConfigured()) {
        proxyConfig = {
          protocol: Config.proxy.pacifica.protocol(),
          host: Config.proxy.pacifica.host(),
          port: Config.proxy.pacifica.port(),
          username: Config.proxy.pacifica.user(),
          password: Config.proxy.buildPassword('pacifica'),
        }
      } else if (exchange === 'binance' && Config.proxy.binance.isConfigured()) {
        proxyConfig = {
          protocol: Config.proxy.binance.protocol(),
          host: Config.proxy.binance.host(),
          port: Config.proxy.binance.port(),
          username: Config.proxy.binance.user(),
          password: Config.proxy.buildPassword('binance'),
        }
      } else if (Config.proxy.enabled() && Config.proxy.host()) {
        // 全局代理
        proxyConfig = {
          protocol: Config.proxy.protocol(),
          host: Config.proxy.host(),
          port: Config.proxy.port(),
          username: Config.proxy.username(),
          password: Config.proxy.buildPassword(),
        }
      } else {
        return undefined
      }
      const { protocol, host, port, username, password } = proxyConfig
      if (username && password) {
        return `${protocol}://${username}:${password}@${host}:${port}`
      } else {
        return `${protocol}://${host}:${port}`
      }
    },
    // 检查代理是否配置 (全局或交易所专用)
    isConfigured: exchange => {
      if (exchange === 'aster') {
        return Config.proxy.aster.isConfigured()
      } else if (exchange === 'pacifica') {
        return Config.proxy.pacifica.isConfigured()
      } else if (exchange === 'binance') {
        return Config.proxy.binance.isConfigured()
      }
      return Config.proxy.enabled() && !!Config.proxy.host()
    },
    // 检查任何代理是否配置
    isAnyConfigured: () => {
      return (
        Config.proxy.isConfigured() ||
        Config.proxy.aster.isConfigured() ||
        Config.proxy.pacifica.isConfigured() ||
        Config.proxy.binance.isConfigured()
      )
    },
  },
  // 获取所有配置（用于调试）
  getAll: () => ({
    nodeEnv: Config.nodeEnv(),
    logLevel: Config.logLevel(),
    aster: {
      wsUrl: Config.aster.wsUrl,
      httpBase: Config.aster.httpBase,
      subscribeSymbols: Config.aster.subscribeSymbols,
      orderUser: Config.aster.orderUser() ? '已设置' : '未设置',
      apiKey: Config.aster.apiKey() ? '已设置' : '未设置',
    },
    pacifica: {
      baseUrl: Config.pacifica.baseUrl,
      wsUrl: Config.pacifica.wsUrl,
      symbol: Config.pacifica.symbol,
      account: Config.pacifica.account() ? '已设置' : '未设置',
      enableTestOrder: Config.pacifica.enableTestOrder(),
    },
    binance: {
      baseUrl: Config.binance.baseUrl,
      wsUrl: Config.binance.wsUrl,
      apiKey: Config.binance.apiKey() ? '已设置' : '未设置',
    },
    proxy: {
      enabled: Config.proxy.enabled(),
      configured: Config.proxy.isConfigured(),
      url: Config.proxy.getUrl() ? '已配置' : '未配置',
    },
  }),
}
/**
 * 智能账户发现器 - 简化版
 */
export class SmartAccountDiscovery {
  /**
   * 发现 Pacifica 账户
   */
  static discoverPacifica() {
    const accounts = []
    // 检查基础账户
    const baseAccount = SimpleEnv.get('PACIFICA_ACCOUNT')
    const baseKey = SimpleEnv.get('PACIFICA_ACCOUNT_PRIVATE_KEY')
    if (baseAccount && baseKey) {
      accounts.push({
        name: 'Pacifica Main',
        account: baseAccount,
        privateKey: baseKey,
        suffix: '',
      })
    }
    // 检查编号账户 (1-5)
    for (let i = 1; i <= 5; i++) {
      const account = SimpleEnv.get(`PACIFICA_ACCOUNT_${i}`)
      const key = SimpleEnv.get(`PACIFICA_PRIVATE_KEY_${i}`)
      if (account && key) {
        accounts.push({
          name: `Pacifica ${i}`,
          account,
          privateKey: key,
          suffix: `_${i}`,
        })
      }
    }
    // 检查角色账户
    const roles = ['MAIN', 'HEDGE', 'BACKUP']
    roles.forEach(role => {
      const account = SimpleEnv.get(`PACIFICA_ACCOUNT_${role}`)
      const key = SimpleEnv.get(`PACIFICA_PRIVATE_KEY_${role}`)
      if (account && key) {
        accounts.push({
          name: `Pacifica ${role.toLowerCase()}`,
          account,
          privateKey: key,
          suffix: `_${role}`,
        })
      }
    })
    return accounts
  }
  /**
   * 发现 Aster 账户
   */
  static discoverAster() {
    const accounts = []
    // 检查基础账户
    const baseUser = SimpleEnv.get('ASTER_ORDER_USER')
    const baseSigner = SimpleEnv.get('ASTER_ORDER_SIGNER')
    const baseKey = SimpleEnv.get('PRIVATE_KEY')
    if (baseUser && baseKey) {
      accounts.push({
        name: 'Aster Main',
        user: baseUser,
        signer: baseSigner,
        privateKey: baseKey,
        suffix: '',
      })
    }
    // 检查第二账户
    const user2 = SimpleEnv.get('ASTER2_ORDER_USER')
    const signer2 = SimpleEnv.get('ASTER2_ORDER_SIGNER')
    const key2 = SimpleEnv.get('PRIVATE_KEY2')
    if (user2 && key2) {
      accounts.push({
        name: 'Aster 2',
        user: user2,
        signer: signer2,
        privateKey: key2,
        suffix: '_2',
      })
    }
    // 检查编号账户 (1-3)
    for (let i = 1; i <= 3; i++) {
      const user = SimpleEnv.get(`ASTER_ORDER_USER_${i}`)
      const signer = SimpleEnv.get(`ASTER_ORDER_SIGNER_${i}`)
      const key = SimpleEnv.get(`ASTER_PRIVATE_KEY_${i}`)
      if (user && key) {
        accounts.push({
          name: `Aster ${i}`,
          user,
          signer,
          privateKey: key,
          suffix: `_${i}`,
        })
      }
    }
    return accounts
  }
  /**
   * 发现 Binance 账户
   */
  static discoverBinance() {
    const accounts = []
    // 检查基础账户
    const baseKey = SimpleEnv.get('BINANCE_API_KEY')
    const baseSecret = SimpleEnv.get('BINANCE_SECRET_KEY')
    if (baseKey && baseSecret) {
      accounts.push({
        name: 'Binance Main',
        apiKey: baseKey,
        secretKey: baseSecret,
        suffix: '',
      })
    }
    // 检查编号账户 (1-3)
    for (let i = 1; i <= 3; i++) {
      const key = SimpleEnv.get(`BINANCE_API_KEY_${i}`)
      const secret = SimpleEnv.get(`BINANCE_SECRET_KEY_${i}`)
      if (key && secret) {
        accounts.push({
          name: `Binance ${i}`,
          apiKey: key,
          secretKey: secret,
          suffix: `_${i}`,
        })
      }
    }
    return accounts
  }
  /**
   * 发现所有账户
   */
  static discoverAll() {
    return {
      pacifica: this.discoverPacifica(),
      aster: this.discoverAster(),
      binance: this.discoverBinance(),
    }
  }
}