using System;

public class Program {

    public static void Main() {

        int choice = 0;

        Debit myDebit = new Debit();

        Double amount = 0.0d;

        while(choice != 5) {

            //Console.Clear();

            myDebit.displayDetails();

            displayChoices();

            int.TryParse(Console.ReadLine(), out choice);

            if (choice < 0 || choice > 5) {

                Console.WriteLine("\nINVALID CHOICE, Please input from 1 - 5.");

                //int.TryParse(Console.ReadLine(), out choice);

            } else if (choice == 1) {

                Console.WriteLine("Enter amount: ");

                Double.TryParse(Console.ReadLine(), out amount);

                myDebit.depositCash(amount);

            } else if (choice == 2) {

                Console.WriteLine("Enter amount: ");

                Double.TryParse(Console.ReadLine(), out amount);

                if (!myDebit.withdrawCash(amount)) {

                    Console.WriteLine("INSUFFICIENT FUNDS.");

                }

            } else if (choice == 3) {

                continue;

            } else if (choice == 4) {

                Console.WriteLine("Enter rate: ");

                Double.TryParse(Console.ReadLine(), out amount);

                Console.WriteLine("Interest incurred: " + String.Format("{0:0.00}", (myDebit.inquireBalance() * (amount/100.0/12.0))));

                myDebit.calculateInterest(amount);

            } else {

                break;

            }

            Console.WriteLine("-----------------------------\n\n");

        }

        Console.WriteLine("End of Program.");

    }

    static void displayChoices() {

        Console.WriteLine("\n\nDEBIT CARD TRANSACTION");

        Console.WriteLine("\n[1] Deposit Cash");

        Console.WriteLine("[2] Withdraw Cash");

        Console.WriteLine("[3] Inquire Balance");

        Console.WriteLine("[4] Calculate Interest Rate");

        Console.WriteLine("[5] Exit");

        Console.WriteLine("\nEnter your Choice to execute action: ");

    }

}

​

class Name {

    private String firstName, middleName, lastName;

    public Name() {

        firstName = "\t\t  Christian Breth";

        middleName = "Mamac";

        lastName = "Burgos";

    }

    public Name(String firstName, String middleName, String lastName) {

        this.firstName = firstName;

        this.middleName = middleName;

        this.lastName = lastName;

    }

    public String getFullName() {

        return firstName + " " + middleName + " " + lastName;

    }

    public void setName(String firstName, String middleName, String lastName) {

        this.firstName = firstName;

        this.middleName = middleName;

        this.lastName = lastName;

    }

}

​

class Debit {

    private Name myName;

    private String accountNumber;

    private Double balance;

    public Debit() {

        myName = new Name();

        accountNumber = "0526-1126-1999";

        balance = 1000.00d;

    }

    public Debit(Name name, String accountNumber, Double bal) {

        myName = name;

        this.accountNumber = accountNumber;

        balance = bal;

    }

    public Double inquireBalance() {

        return balance;

    }

    public void depositCash(Double amount) {

        balance += amount;

    }

    public bool withdrawCash(Double amount) {

        if (amount > balance) {

            return false;

        } else {

            balance -= amount;

            return true;

        }

    }

    public Double calculateInterest(Double rate) {

        return balance *= (1.0 + (rate/100.0/12.0));

    }

    public String getName() {

        return myName.getFullName();

    }

    public String getAccountNumber() {

        return accountNumber;

    }

    public void displayDetails() {

        Console.WriteLine("Name: " + myName.getFullName());

        Console.WriteLine("Account number: " + accountNumber);

        Console.WriteLine("Balance:\t\t" + String.Format("{0:0.00}", balance));

    }

}