import { RangoClient, EvmTransaction, Amount } from "rango-sdk-basic";
import BigNumber from "bignumber.js";

export function prepareEvmTransaction(
  evmTransaction: EvmTransaction,
  isApprove: boolean
): any {
  const manipulatedTx = {
    ...evmTransaction,
    gasPrice:
      !!evmTransaction.gasPrice && !evmTransaction.gasPrice.startsWith("0x")
        ? "0x" + parseInt(evmTransaction.gasPrice).toString(16)
        : null,
  };

  let tx = {};
  if (!!manipulatedTx.from) tx = { ...tx, from: manipulatedTx.from };
  if (isApprove) {
    if (!!manipulatedTx.approveTo) tx = { ...tx, to: manipulatedTx.approveTo };
    if (!!manipulatedTx.approveData) {
      tx = { ...tx, data: manipulatedTx.approveData };
    }
  } else {
    if (!!manipulatedTx.txTo) tx = { ...tx, to: manipulatedTx.txTo };
    if (!!manipulatedTx.txData) tx = { ...tx, data: manipulatedTx.txData };
    if (!!manipulatedTx.value) tx = { ...tx, value: manipulatedTx.value };
    if (!!manipulatedTx.gasLimit)
      tx = { ...tx, gasLimit: manipulatedTx.gasLimit };
    if (!!manipulatedTx.gasPrice)
      tx = { ...tx, gasPrice: manipulatedTx.gasPrice };
  }

  return tx;
}

export function sleep(millis: number) {
  return new Promise((resolve) => setTimeout(resolve, millis));
}

export async function checkApprovalSync(
  requestId: string,
  txId: string,
  rangoClient: RangoClient
) {
  while (true) {
    const approvalResponse = await rangoClient.isApproved(requestId, txId);
    if (approvalResponse.isApproved) {
      return true;
    }
    await sleep(3000);
  }
}

export const prettyAmount = (amount: Amount) =>
  new BigNumber(amount.amount).shiftedBy(-amount.decimals).toFixed();