import { AssetBNB } from '@d11k-ts/utils'
import axios from 'axios'

import { BNB_DECIMAL } from '../types'

import { BalancesResult, TransferResult } from './types'

class BnbDojTestnetClient {
  protected dojTestnetUrl = ''

  constructor(dojTestnetUrl: string) {
    this.dojTestnetUrl = dojTestnetUrl
  }

  async getBalance(address: string): Promise<number> {
    const response = await axios.get(`${this.dojTestnetUrl}/accounts`)
    if (response.status !== 200) {
      throw new Error(
        `Unable to retrieve balance for address. Dojima binance gateway responded with status ${response.status}.`,
      )
    }

    let balance: number
    const data: Array<BalancesResult> = response.data
    if (data.length > 0) {
      const balanceObj = data.find((res) => res.address === address)
      if (balanceObj && balanceObj.balances && balanceObj.balances.length > 0) {
        const bal = balanceObj.balances.find((res) => res.denom === AssetBNB.symbol)
        balance = bal ? bal.amount / Math.pow(10, BNB_DECIMAL) : 0
      } else {
        balance = 0
      }
    } else {
      balance = 0
    }
    return balance
  }

  async transfer(recipient: string, amount: number, address: string, memo?: string): Promise<string> {
    const dataObj = memo
      ? {
          from: `${address}`,
          to: `${recipient}`,
          coins: [
            {
              denom: AssetBNB.symbol,
              amount: amount * Math.pow(10, BNB_DECIMAL),
            },
          ],
          memo: `${memo}`,
        }
      : {
          from: `${address}`,
          to: `${recipient}`,
          coins: [
            {
              denom: AssetBNB.symbol,
              amount: amount * Math.pow(10, BNB_DECIMAL),
            },
          ],
        }

    const axiosData = JSON.stringify([dataObj])
    const response = await axios.post(`${this.dojTestnetUrl}/broadcast/easy`, axiosData)
    if (response.status !== 200) {
      throw new Error(
        `Unable to broadcast transaction. Dojima binance gateway responded with status ${response.status}.`,
      )
    }

    const data: TransferResult = response.data
    return data.hash
  }
}

export { BnbDojTestnetClient }