public static void HandleLoanMenu(string option)
        {
            LoanManagement loanManager = new LoanManagement();
            double         loanAmount;
            string         loanType = string.Empty;
            bool           isError  = false;


            try
            {
                if (option.Equals("1"))
                {
                    loanAmount = 100000;
                    loanType   = "House";
                }

                else if (option.Equals("2"))
                {
                    loanAmount = 500000;
                    loanType   = "car";
                }

                else if (option.Equals("3"))
                {
                    loanAmount = 1000000;
                    loanType   = "Business";
                }

                else
                {
                    isError = true;
                    throw new Exception("Input not recognized.");
                }

                if (!isError)
                {
                    loanManager.AddLoan(AccountHolderRepository.LoggedInAccount.Id, loanAmount, loanType);
                }
            }
            catch (Exception e)
            {
                Console.WriteLine($"Error: {e.Message}");
            }
            finally
            {
                HandleAccountHolderMenu("2");
            }
        }
        public static void HandleLoggedInAccountHolderMenu(string option)
        {
            LoanManagement      loanManagement      = new LoanManagement();
            OverdraftManagement overdraftManagement = new OverdraftManagement();

            switch (option)
            {
            case "0":
                HandleSubMenu("1");
                break;

            case "1":
                AccountHolderRepository.SaveMoney();
                HandleAccountHolderMenu("2");
                break;

            case "2":
                Menu.ResetMenuSettings();
                Console.WriteLine("     TRANSFER MENU");
                Console.Write("Enter account number: ");
                string accountNumber = Console.ReadLine();
                Console.Write("How much do you want to transfer: ");
                double amountToTransfer = Convert.ToDouble(Console.ReadLine());
                AccountHolderRepository.Transfer(accountNumber, amountToTransfer);
                HandleAccountHolderMenu("2");
                break;

            case "3":
                AccountHolderRepository.WithdrawMoney();
                HandleAccountHolderMenu("2");
                break;

            case "4":
                AccountHolderRepository.CheckBalance();
                HandleAccountHolderMenu("2");
                break;

            case "5":
                ShowLoanServiceMenu();
                string loanOption = Console.ReadLine();
                if (loanOption.Equals("0"))
                {
                    HandleAccountHolderMenu("2");
                }
                else if (loanOption.Equals("1"))
                {
                    ShowLoanMenu();
                    string minOption = Console.ReadLine();
                    if (minOption.Equals("0"))
                    {
                        HandleAccountHolderMenu("2");
                    }
                    else
                    {
                        HandleLoanMenu(minOption);
                    }
                }
                else if (loanOption.Equals("2"))
                {
                    if (loanManagement.checkLoanBalance(AccountHolderRepository.LoggedInAccount.Id, false))
                    {
                        Menu.ResetMenuSettings();
                        Console.WriteLine("     LOAN PAYBACK MENU");
                        Console.Write("How much do you want to pay: ");
                        double amountToPay = Convert.ToDouble(Console.ReadLine());
                        loanManagement.payBackLoan(AccountHolderRepository.LoggedInAccount.Id, amountToPay);
                    }
                    Menu.ShowContinueMenu();
                    HandleAccountHolderMenu("2");
                }
                else if (loanOption.Equals("3"))
                {
                    loanManagement.checkLoanBalance(AccountHolderRepository.LoggedInAccount.Id);
                    Menu.ShowContinueMenu();
                    HandleAccountHolderMenu("2");
                }

                break;

            case "6":
                ResetMenuSettings();
                Console.WriteLine("     OVERDRAFT MENU");
                Console.Write("How much overdraft?: ");
                double overdraftAmount = Convert.ToDouble(Console.ReadLine());
                if (overdraftAmount > 100000)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("Overdraft limit exceeded. Maximum overdraft is 100,000");
                }
                else if (overdraftAmount <= AccountHolderRepository.LoggedInAccount.AccountBalance)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("Overdraft less than or equal to account balance. Please proceed to withdrawal");
                }
                else
                {
                    if (!overdraftManagement.checkOverdraftBalance(AccountHolderRepository.LoggedInAccount.Id))
                    {
                        overdraftManagement.GetOverdraft(AccountHolderRepository.LoggedInAccount, overdraftAmount);
                    }
                }
                ShowContinueMenu();
                HandleAccountHolderMenu("2");

                break;

            case "7":
                ShowAccountHolderUpdateMenu();
                string updateOption = Console.ReadLine();
                UpdateAccountHolderMenu(AccountHolderRepository.LoggedInAccount.Id, updateOption);
                HandleAccountHolderMenu("2");
                break;

            case "8":
                AccountHolderRepository.ChangePassword();
                HandleAccountHolderMenu("2");
                break;

            case "9":
                AccountHolderRepository.SetPin();
                HandleAccountHolderMenu("2");
                break;

            default:
                break;
            }
        }