const HttpKit = require('./kit/HttpKit')

class PancakeSwap {}

PancakeSwap.pairs = async function () {
  const url = 'https://api.pancakeswap.info/api/v2/pairs'
  const { data: rst } = await HttpKit.get(url)
  return rst
}

PancakeSwap.tokenList = async function () {
  const url = 'https://api.pancakeswap.info/api/v2/tokens'
  const { data: rst } = await HttpKit.get(url)
  return rst
}

PancakeSwap.tokenInfo = async function (symbol = 'WBNB', tokens) {
  if (!tokens) {
    tokens = await PancakeSwap.tokenList()
  }

  const { data: priceList } = tokens

  for (const key in priceList) {
    const token = priceList[key]

    if (symbol === token.symbol) {
      return token
    }
  }
}

PancakeSwap.priceByBNB = async function (symbol, list) {
  const token = await PancakeSwap.tokenInfo(symbol, list)

  return token ? token.price_BNB : 0
}

PancakeSwap.price = async function (symbol, list) {
  const token = await PancakeSwap.tokenInfo(symbol, list)

  return token ? token.price : 0
}

module.exports = PancakeSwap