using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

            int LoginAttempts = 0;

​

            LoadLogin(LoginAttempts);

​

            Console.WriteLine("Returned to Main");

            Console.Read();

​

    }

    //-----------------------------------------------------------------------------------------------------

    public static void ReadLoginDetails(int CheckAttempt)

    {

        string username = string.Empty;

        string password = string.Empty;

        //Ask for username details

        Console.Write("Login Username: ");

        username = Console.ReadLine();

        //Ask for password

        Console.Write("Password: ");

        password = Console.ReadLine();

        //Call authentication method

        Authenticate(username, password, CheckAttempt);

    }

    //-----------------------------------------------------------------------------------------------------

    public static void Authenticate(string username, string password, int CheckAttempt)

    {

        int access = 0;

        //Check Username

        if (username == "root")

        {

            access++;

        }

        else

        {

            //Do nothing

        }

        //Check Password

        if (password == "root")

        {

            access++;

        }

        else

        {

            //Do nothing

        }

        //Authenticate

        if (access >= 2)

        {

            LoginSuccess();

        }

        else

        {

            Console.WriteLine("Login Failed");

            CheckAttempt++;

            LoadLogin(CheckAttempt);

        }

    }

    //-----------------------------------------------------------------------------------------------------

    public static void LoadLogin(int Attempts)

    {

        if (Attempts <= 2)

        {

            ReadLoginDetails(Attempts);

        }

        else

        {

            LoginFailed(Attempts);

        }

    }

    //-----------------------------------------------------------------------------------------------------

    public static void LoginSuccess()

    {

        Console.WriteLine("Login successful");

    }

    //-----------------------------------------------------------------------------------------------------

    public static void LoginFailed(int Attempts)

    {

        Console.WriteLine("Login failed for " + Attempts + " attempts. Exiting Application");

        return;

    }

}

​

​

​

​