import { type Address, checksumAddress } from "../../../utils/address.js";
import type { Account } from "../../interfaces/wallet.js";

/**
 * @internal
 */
export function validateAccountAddress(account: Account, address: Address) {
  if (checksumAddress(account.address) !== checksumAddress(address)) {
    throw new Error(
      `Failed to validate account address (${account.address}), differs from ${address}`,
    );
  }
}

/**
 * @internal
 */
export function parseEip155ChainId(chainId: string): number {
  const chainIdParts = chainId.split(":");
  const chainIdAsNumber = Number.parseInt(chainIdParts[1] ?? "0");
  if (
    chainIdParts.length !== 2 ||
    chainIdParts[0] !== "eip155" ||
    chainIdAsNumber === 0 ||
    !chainIdAsNumber
  ) {
    throw new Error(
      `Invalid chainId ${chainId}, should have the format 'eip155:1'`,
    );
  }
  return chainIdAsNumber;
}