using System;

​

namespace Bank_ex1

{

    class NoMuchMoney : Exception

    {

        public NoMuchMoney(string message) : base(message)

        { }

    }

    class UserUnAuthenticated : Exception

    {

        public UserUnAuthenticated(string message) : base(message)

        { }

    }

    class PremiumCustomer : Exception

    {

        public PremiumCustomer(string message) : base(message)

        { }

    }

    class CustomerException: ArgumentException

    {

        public CustomerException(string message) : base(message)

        {  }

    }

    class Customer

    {

        public int CustomerId { get; private set; }

        public string Name { get; private set; }

        public string Email { get; private set; }

        public string Password { get; private set; }

        public int AccountBalance { get; private set; }

        public bool IsConnected { get; private set; }

​

        public Customer() { }

        public Customer(string name, string pass, string email)

        {

            if (string.IsNullOrWhiteSpace(name) || string.IsNullOrWhiteSpace(pass))

            {

                throw new CustomerException("Name or Password can not be empty.");//to do: loop for sing in!

            }

​

            Name = name;

            AccountBalance = 0;

            IsConnected = false;

            Password = pass;

            Email = email;

        }

        public int CashPull(int cash_to_pull)

        {

            //if the user is connected? if no then exeption UserUnAuthenticated

            if (IsConnected)

            {

                //if no money then exeption NoMuchMoney

                if(cash_to_pull > AccountBalance)

                {

                    throw new NoMuchMoney("Sorry you don't have anoth money on our accoun");

                }

                else

                {//update the balance in the account

                    AccountBalance -= cash_to_pull;

                }

            }

            else

            {

                throw new UserUnAuthenticated("Please log in first");

            }

            //return balance in the account

            return AccountBalance;

        }

​

        public void LogIn(string name, string password)

        {

            //if name and pass is correct -> connection true 

            if(name == Name && password == Password)

            {

                IsConnected = true;

                Console.WriteLine(Name, " Welconm to our Bank!");

            }

            else

            {

                throw new UserUnAuthenticated("Password or user name isn't correct");

                //Console.Write("enter new credention");//to do: loop for log in!

            }

        }

​

        public void DepositingMoney(int mount)

        {

            //if the user is connected? if no then exeption UserUnAuthenticated

            if (IsConnected)

            {

                //add amount of money to account

                AccountBalance += mount;

​

                //if more then 10K in bank acount this is PremiumCustomer

                if(AccountBalance >= 1000)

                {

                    throw new PremiumCustomer("Welcome you became a premium customer");

                }

            }

            else

            {

                throw new UserUnAuthenticated("Please log in first");

            }

​

​

        }

    }

    public class Program

    {

        public static void Main(string[] args)

        {

            //sing in 

            Console.Write("New user pleass enter our name:");

            var name = Console.ReadLine();

            Console.Write("New user pleass enter our password:");

            var pass = Console.ReadLine();

            Console.Write("New user pleass enter our email:");

            var email = Console.ReadLine();

​

            Customer customer = new Customer();

​

            try

            {

                customer = new Customer(name, pass, email);

            }

            catch (CustomerException ex)

            {

                Console.WriteLine("Fail: " + ex.Message );

            }

            finally

            {

                Console.WriteLine("Sing in successfully");

            }

​

            try

            {

                //log in 

                Console.Write("To log in pleass enter our name:");

                var loginName = Console.ReadLine();

                Console.Write("To log in pleass enter our password:");

                var loginPass = Console.ReadLine();

​

                customer.LogIn(loginName, loginPass);

​

                //Deposit money

                Console.Write("Please enter how much money you want to deposit:");

                int moneyToDeposit = Int32.Parse(Console.ReadLine());

                try

                {

                    customer.DepositingMoney(moneyToDeposit);

                }

                catch (PremiumCustomer ex)

                {

                    Console.WriteLine("PremiumCustomer:" + ex.Message);

                }

​

                //Pull money

                Console.Write("Please enter how much money you want to pull:");

                int moneyToPull = Int32.Parse(Console.ReadLine());

​

                try

                {

                    int myAccount = customer.CashPull(moneyToPull);

                    Console.WriteLine("The amount of money in our account is: ", myAccount);

                }

                catch (NoMuchMoney ex)

                {

                    Console.WriteLine("NoMuchMoney: " + ex.Message);

                }

            }

            catch (UserUnAuthenticated ex)

            {

                Console.WriteLine("Login: " + ex.Message);

            }

​

       var read = Console.ReadLine();

        }

    }

​

}

​