const OneTask = require('./task')
const Context = require("./context");
const Config = require("../config/config");
const BinanceSpot = require("./binance/binance-spot");
const IERC20 = require("./web3/ierc20-token");
const Token = require("./token");
const PrivateConfig = require("../PrivateConfig")

OneTask.baseInit = async function() {
  this.context = new Context()
  this.context.binanceSpot = new BinanceSpot(PrivateConfig.binanceAPIKey, PrivateConfig.binanceSecretKey)

  const pairs = Object.values(PrivateConfig.tokenMapping).map(coin => `${coin}${Config.baseIerc20Token.symbol}` )
  const exchangeInfo = await BinanceSpot.exchangeInfo(pairs)

  // 解析priceTickFilter
  const priceTickFilterMap = (() => {
    const filterMap = {}

    exchangeInfo.symbols.forEach(function(pairInfo) {
      const filter = pairInfo.filters.filter(filterObj => filterObj.filterType === 'PRICE_FILTER')[0]

      filterMap[pairInfo.symbol] = Math.log10(1 / parseFloat(filter.tickSize))
    })

    return filterMap
  })()
  // 解析lotSizeFilter
  const lotSizeFilterMap = (() => {
    const filterMap = {}

    exchangeInfo.symbols.forEach(function(pairInfo) {
      const filter = pairInfo.filters.filter(filterObj => filterObj.filterType === 'LOT_SIZE')[0]

      filterMap[pairInfo.symbol] = Math.log10(1 / parseFloat(filter.stepSize))
    })

    return filterMap
  })()

  // 初始化IERC20的token
  await IERC20.batchInit(this.context, Object.keys(PrivateConfig.tokenMapping))

  // 初始化本地token，绑定binance与IERC20
  await Token.batchInit(this.context, Object.keys(PrivateConfig.tokenMapping), priceTickFilterMap, lotSizeFilterMap)
}

module.exports = OneTask