/**
 * Pacifica数据接口客户端
 *
 * 负责处理Pacifica DEX的所有数据查询接口
 * 包括价格、订单簿、K线、交易历史等
 */

import { UniversalHttpClient } from '@/utils/universalHttpClient'
import { HttpClientRequest, HttpClientResponse } from '@/types/httpClient'
import {
  PacificaPriceData,
  PacificaTicker,
  PacificaOrderBook,
  PacificaKline,
  PacificaTrade,
  PacificaAggTrade,
  PacificaSymbol,
  PacificaMarketDataParams,
  PacificaApiResponse,
  PacificaListResponse,
} from '@/types/pacifica'

export class PacificaDataClient {
  private httpClient: UniversalHttpClient
  private accountId: string

  constructor(httpClient: UniversalHttpClient, accountId: string) {
    this.httpClient = httpClient
    this.accountId = accountId
  }

  // ======================== 市场数据接口 ========================

  /**
   * 获取交易对信息
   */
  async getExchangeInfo(): Promise<PacificaApiResponse<{ symbols: PacificaSymbol[] }>> {
    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: '/api/v3/exchangeInfo',
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<{ symbols: PacificaSymbol[] }>(request)
    return this.wrapResponse(response)
  }

  /**
   * 获取单个交易对最新价格
   */
  async getPrice(symbol: string): Promise<PacificaApiResponse<PacificaPriceData>> {
    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: `/api/v3/ticker/price?symbol=${symbol}`,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<PacificaPriceData>(request)
    return this.wrapResponse(response)
  }

  /**
   * 获取所有交易对价格
   */
  async getAllPrices(): Promise<PacificaApiResponse<PacificaPriceData[]>> {
    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: '/api/v3/ticker/price',
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<PacificaPriceData[]>(request)
    return this.wrapResponse(response)
  }

  /**
   * 获取24hr价格变动统计
   */
  async getTicker24hr(symbol?: string): Promise<PacificaApiResponse<PacificaTicker | PacificaTicker[]>> {
    const url = symbol ? `/api/v3/ticker/24hr?symbol=${symbol}` : '/api/v3/ticker/24hr'

    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<PacificaTicker | PacificaTicker[]>(request)
    return this.wrapResponse(response)
  }

  /**
   * 获取订单簿深度
   */
  async getOrderBook(symbol: string, limit: number = 100): Promise<PacificaApiResponse<PacificaOrderBook>> {
    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: `/api/v3/depth?symbol=${symbol}&limit=${limit}`,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<PacificaOrderBook>(request)
    return this.wrapResponse(response)
  }

  /**
   * 获取最近成交记录
   */
  async getRecentTrades(symbol: string, limit: number = 500): Promise<PacificaApiResponse<PacificaTrade[]>> {
    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: `/api/v3/trades?symbol=${symbol}&limit=${limit}`,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<PacificaTrade[]>(request)
    return this.wrapResponse(response)
  }

  /**
   * 获取历史成交记录
   */
  async getHistoricalTrades(
    symbol: string,
    params: PacificaMarketDataParams = {},
  ): Promise<PacificaApiResponse<PacificaTrade[]>> {
    const queryParams = new URLSearchParams()
    queryParams.append('symbol', symbol)

    if (params.limit) queryParams.append('limit', params.limit.toString())
    if (params.fromId) queryParams.append('fromId', params.fromId.toString())

    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: `/api/v3/historicalTrades?${queryParams.toString()}`,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<PacificaTrade[]>(request)
    return this.wrapResponse(response)
  }

  /**
   * 获取聚合交易记录
   */
  async getAggTrades(
    symbol: string,
    params: PacificaMarketDataParams = {},
  ): Promise<PacificaApiResponse<PacificaAggTrade[]>> {
    const queryParams = new URLSearchParams()
    queryParams.append('symbol', symbol)

    if (params.limit) queryParams.append('limit', params.limit.toString())
    if (params.fromId) queryParams.append('fromId', params.fromId.toString())
    if (params.startTime) queryParams.append('startTime', params.startTime.toString())
    if (params.endTime) queryParams.append('endTime', params.endTime.toString())

    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: `/api/v3/aggTrades?${queryParams.toString()}`,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<PacificaAggTrade[]>(request)
    return this.wrapResponse(response)
  }

  /**
   * 获取K线数据
   */
  async getKlines(
    symbol: string,
    interval: string,
    params: PacificaMarketDataParams = {},
  ): Promise<PacificaApiResponse<PacificaKline[]>> {
    const queryParams = new URLSearchParams()
    queryParams.append('symbol', symbol)
    queryParams.append('interval', interval)

    if (params.limit) queryParams.append('limit', params.limit.toString())
    if (params.startTime) queryParams.append('startTime', params.startTime.toString())
    if (params.endTime) queryParams.append('endTime', params.endTime.toString())

    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: `/api/v3/klines?${queryParams.toString()}`,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<any[]>(request)

    // 转换原始K线数据为结构化对象
    const klines: PacificaKline[] = response.data.map((kline: any[]) => ({
      symbol,
      openTime: kline[0],
      open: kline[1],
      high: kline[2],
      low: kline[3],
      close: kline[4],
      volume: kline[5],
      closeTime: kline[6],
      quoteVolume: kline[7],
      trades: kline[8],
      takerBuyBaseVolume: kline[9],
      takerBuyQuoteVolume: kline[10],
      interval,
      firstTradeId: 0,
      lastTradeId: 0,
    }))

    return this.wrapResponse({
      ...response,
      data: klines,
    })
  }

  /**
   * 获取平均价格
   */
  async getAvgPrice(symbol: string): Promise<PacificaApiResponse<{ mins: number; price: string }>> {
    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: `/api/v3/avgPrice?symbol=${symbol}`,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<{ mins: number; price: string }>(request)
    return this.wrapResponse(response)
  }

  /**
   * 获取服务器时间
   */
  async getServerTime(): Promise<PacificaApiResponse<{ serverTime: number }>> {
    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: '/api/v3/time',
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<{ serverTime: number }>(request)
    return this.wrapResponse(response)
  }

  /**
   * 测试连接
   */
  async ping(): Promise<PacificaApiResponse<{}>> {
    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: '/api/v3/ping',
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<{}>(request)
    return this.wrapResponse(response)
  }

  // ======================== 批量查询接口 ========================

  /**
   * 批量获取多个交易对价格
   */
  async getBatchPrices(symbols: string[]): Promise<PacificaApiResponse<PacificaPriceData[]>> {
    const symbolsParam = JSON.stringify(symbols)

    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: `/api/v3/ticker/price?symbols=${encodeURIComponent(symbolsParam)}`,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<PacificaPriceData[]>(request)
    return this.wrapResponse(response)
  }

  /**
   * 批量获取多个交易对24hr统计
   */
  async getBatch24hrTickers(symbols: string[]): Promise<PacificaApiResponse<PacificaTicker[]>> {
    const symbolsParam = JSON.stringify(symbols)

    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'GET',
      url: `/api/v3/ticker/24hr?symbols=${encodeURIComponent(symbolsParam)}`,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<PacificaTicker[]>(request)
    return this.wrapResponse(response)
  }

  // ======================== 实时数据流接口 ========================

  /**
   * 获取WebSocket连接的监听密钥
   */
  async getListenKey(): Promise<PacificaApiResponse<{ listenKey: string }>> {
    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'POST',
      url: '/api/v3/userDataStream',
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<{ listenKey: string }>(request)
    return this.wrapResponse(response)
  }

  /**
   * 延长监听密钥有效期
   */
  async keepAliveListenKey(listenKey: string): Promise<PacificaApiResponse<{}>> {
    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'PUT',
      url: `/api/v3/userDataStream?listenKey=${listenKey}`,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<{}>(request)
    return this.wrapResponse(response)
  }

  /**
   * 关闭监听密钥
   */
  async closeListenKey(listenKey: string): Promise<PacificaApiResponse<{}>> {
    const request: HttpClientRequest = {
      platform: 'pacifica',
      accountId: this.accountId,
      method: 'DELETE',
      url: `/api/v3/userDataStream?listenKey=${listenKey}`,
      headers: {
        'Content-Type': 'application/json',
      },
    }

    const response = await this.httpClient.request<{}>(request)
    return this.wrapResponse(response)
  }

  // ======================== 辅助方法 ========================

  /**
   * 包装响应数据为统一格式
   */
  private wrapResponse<T>(response: HttpClientResponse<T>): PacificaApiResponse<T> {
    return {
      data: response.data,
      success: response.status >= 200 && response.status < 300,
      code: response.status,
      message: response.statusText,
      timestamp: Date.now(),
    }
  }

  /**
   * 构建查询参数字符串
   */
  private buildQueryString(params: Record<string, any>): string {
    const queryParams = new URLSearchParams()

    Object.entries(params).forEach(([key, value]) => {
      if (value !== undefined && value !== null) {
        queryParams.append(key, value.toString())
      }
    })

    return queryParams.toString()
  }

  /**
   * 格式化符号参数
   */
  private formatSymbol(symbol: string): string {
    return symbol.toUpperCase()
  }

  /**
   * 验证时间间隔参数
   */
  private validateInterval(interval: string): boolean {
    const validIntervals = ['1m', '3m', '5m', '15m', '30m', '1h', '2h', '4h', '6h', '8h', '12h', '1d', '3d', '1w', '1M']
    return validIntervals.includes(interval)
  }

  /**
   * 获取客户端配置
   */
  getClientConfig() {
    return {
      accountId: this.accountId,
      platform: 'pacifica',
      endpoints: {
        exchangeInfo: '/api/v3/exchangeInfo',
        price: '/api/v3/ticker/price',
        ticker24hr: '/api/v3/ticker/24hr',
        orderBook: '/api/v3/depth',
        trades: '/api/v3/trades',
        klines: '/api/v3/klines',
        ping: '/api/v3/ping',
        time: '/api/v3/time',
      },
    }
  }
}