import { SuiClient } from "@mysten/sui/client";

/**
 * Retrieves the amount of a specific coin owned by a sender.
 *
 * @param client - The SuiClient instance used to interact with the blockchain.
 * @param sender - The address of the sender.
 * @param coinType - The type of the coin to retrieve the amount for.
 * @returns A Promise that resolves to the amount of the specified coin owned by the sender.
 * @throws An error if the sender or client is undefined.
 */
export async function getCoinAmount(
  client: SuiClient,
  sender: string,
  coinType: string
): Promise<number> {
  if (!sender) {
    throw new Error("Sender is undefined.");
  }
  if (!client) {
    throw new Error("Client is undefined.");
  }
  const coinInfo = await client.getBalance({
    owner: sender,
    coinType,
  });
  const tokenBalance = Number(coinInfo.totalBalance);
  console.log("Token Type : ", coinType, "Balance: ", tokenBalance);
  return tokenBalance;
}

/**
 * Retrieves the decimal value for a specific coin type.
 * @param client - The SuiClient instance.
 * @param coinType - The type of coin.
 * @returns A Promise that resolves to the decimal value of the coin.
 */
export async function getCoinDecimal(
  client: SuiClient,
  coinType: string
): Promise<any> {
  const coinMetadata = await client.getCoinMetadata({ coinType: coinType });
  if (coinMetadata) return coinMetadata.decimals;
  return 9;
}