//Shella Joy Lagare

//Ayessa Capilitan

using System;

 public class BPIATM

 {

    public static void Main(string[] args)

    {

        int pin=4040,pin1,pin2,nppin,repin;

        String choice,choice2,bill2;

        double balance = 10000.00,withdraw,deposit,bills;

        Boolean end = false;

            Console.WriteLine("BPI ATM Banking");

            Console.WriteLine("Enter the Pin:");

            pin1 = Convert.ToInt32(Console.ReadLine());

            if(pin1==pin)

        {

        while(end==false)

        {   

            Console.WriteLine("[1] Balance Inquiry");

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

            Console.WriteLine("[3] Deposit");

            Console.WriteLine("[4] Change Pin");

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

            Console.WriteLine("[x] Cancel");

            Console.WriteLine("Please select a transaction");

            choice = Console.ReadLine();

        if(choice.Equals("1"))

        {

            Console.WriteLine("The current balance in your account is: "+ balance);

        }

        else if(choice.Equals("2"))

        {

            Console.WriteLine("Please enter amount to withdraw: ");

            withdraw = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("Please collect the cash: "+withdraw);

            balance-=withdraw;

            Console.WriteLine("The current balance is now: "+ balance);

        }

        else if(choice.Equals("3"))

        {

            Console.WriteLine("Please enter amount to deposit: ");

            deposit = Convert.ToInt32(Console.ReadLine());

            balance+=deposit;

            Console.WriteLine("The current balance in the account is: "+ balance);

        }

        else if(choice.Equals("4"))

        {

            Console.WriteLine("Want to change your pin?");

        do

        {

            Console.WriteLine("Enter previous pin: ");

            pin2 = Convert.ToInt32(Console.ReadLine());

            if(pin2==pin)

            {

            do

            {

                Console.WriteLine("Enter new pin: ");

                nppin = Convert.ToInt32(Console.ReadLine());

                Console.WriteLine("Re-type new pin: ");

                repin = Convert.ToInt32(Console.ReadLine());

                if(repin==nppin)

                {

                    Console.WriteLine("Your pin has changed");

                    pin-=pin;pin+=nppin;

                    pin2=pin;

                }

                else

                {

                    Console.WriteLine("New pin mismatched. Try Again.");

                }

            }

            while(repin!=nppin);

            }

            else

            {

                Console.WriteLine("Old pin mismatched. Try Again.");

            }

        }

        while(pin2!=pin);

        }

        else if(choice.Equals("5"))

        {

            Console.WriteLine("Enter biller name(Globe, Cepalco, Parasat, Credit Card): ");

            bill2 = Console.ReadLine();

            Console.WriteLine("Enter bill amount: ");

            bills = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine(bills+" paid to "+bill2);

            balance-=bills;

            Console.WriteLine("The current balance is now: "+ balance);

        }

        else

        {

            Console.WriteLine("Thank You for Banking with us. Goodbye!");

            break;

        }

        Console.WriteLine("Proceed with another transaction? y/n: ");

        choice2 = Console.ReadLine();

        if(choice2.Equals("y")|| choice2.Equals("Y"))

        {

            //restart

        }

        else

        {

            Console.WriteLine("Thank You for Banking with us. Goodbye!");

            break;

        }

    }

    }

    }

 }