import { providers } from "ethers"

import { IndexMarketCapProvider } from "../marketcap"
import { CoinGeckoService } from "../../utils"

interface TvlProvider {
  getTvl(): Promise<number>
}

const indices = [
  "0x2aF1dF3AB0ab157e1E2Ad8F88A7D04fbea0c7dc6", // BED
  "0x55b2CFcfe99110C773f00b023560DD9ef6C8A13B", // cdETI
  "0x72e364F2ABdC788b7E918bc238B21f109Cd634D7", // MVI
  "0x1494CA1F11D487c2bBe4543E90080AeBa4BA3C2b", // DPI
  "0x65c4C0517025Ec0843C9146aF266A2C5a2D148A2", // ETH2x
  "0xD2AC55cA3Bbd2Dd1e9936eC640dCb4b745fDe759", // BTC2x
  "0xc4506022Fb8090774E8A628d5084EED61D9B99Ee", // hyETH
  // TODO: temp remove MMI as it's causing whole TVL to fail
  // "0xc30FBa978743a43E736fc32FBeEd364b8A2039cD", // MMI
  "0x36c833Eed0D376f75D1ff9dFDeE260191336065e", // gtcETH
  "0x341c05c0E9b33C0E38d64de76516b2Ce970bB3BE", // dsETH
  "0x7C07F7aBe10CE8e33DC6C5aD68FE033085256A84", // icETH
  "0x1B5E16C5b20Fb5EE87C61fE9Afe735Cca3B21A65", // ic21
]

export class IndexTvlProvider implements TvlProvider {
  constructor(
    private readonly provider:
      | providers.JsonRpcProvider
      | providers.StaticJsonRpcProvider,
    private readonly coingeckoService: CoinGeckoService,
  ) {}

  async getTvl(): Promise<number> {
    const marketCapProvider = new IndexMarketCapProvider(
      this.provider,
      this.coingeckoService,
    )
    const promises = indices.map((index) =>
      marketCapProvider.getMarketCap(index),
    )
    const results = await Promise.all(promises)
    const tvl = results.reduce(
      (prevValue, currValue) => prevValue + currValue,
      0,
    )
    return tvl
  }
}