export enum ExplorerDataType {
  TRANSACTION = 'transaction',
  TOKEN = 'token',
  ADDRESS = 'address',
  BLOCK = 'block',
}

/**
 * Return the explorer link for the given data and data type
 * @param chainId the ID of the chain for which to return the data
 * @param data the data to return a link for
 * @param type the type of the data
 */
export function getExplorerLink(chainId: number, data: string, type: ExplorerDataType): string {
  let prefix
  if (chainId === 1) prefix = `https://etherscan.io`
  else if (chainId === 3) prefix = `https://ropsten.etherscan.io`
  else if (chainId === 5) prefix = `https://goerli.etherscan.io`
  else if (chainId === 25) prefix = `https://cronoscan.com`
  else if (chainId === 56) prefix = `https://bscscan.io`
  else if (chainId === 137) prefix = `https://polygonscan.com`
  else if (chainId === 250) prefix = `https://ftmscan.com`
  else if (chainId === 43114) prefix = `https://cchain.explorer.avax.network`

  switch (type) {
    case ExplorerDataType.TRANSACTION: {
      return `${prefix}/tx/${data}`
    }
    case ExplorerDataType.TOKEN: {
      return `${prefix}/token/${data}`
    }
    case ExplorerDataType.BLOCK: {
      return `${prefix}/block/${data}`
    }
    case ExplorerDataType.ADDRESS:
    default: {
      return `${prefix}/address/${data}`
    }
  }
}