using System;
using Microsoft.Win32;

namespace ConsoleApp1
{
    class Program
    {
        static void welcome()
        {
            Console.WriteLine("+----------------------------------------------------------------------------------------------------+");
            Console.WriteLine("|          _____                    _____                   _______                   _____          |");
            Console.WriteLine("|         /\\    \\                  /\\    \\                 /::\\    \\                 /\\    \\         |");
            Console.WriteLine("|        /::\\    \\                /::\\    \\               /::::\\    \\               /::\\    \\        |");
            Console.WriteLine("|       /::::\\    \\              /::::\\    \\             /::::::\\    \\             /::::\\    \\       |");
            Console.WriteLine("|      /::::::\\    \\            /::::::\\    \\           /::::::::\\    \\           /::::::\\    \\      |");
            Console.WriteLine("|     /:::/\\:::\\    \\          /:::/\\:::\\    \\         /:::/~~\\:::\\    \\         /:::/\\:::\\    \\     |");
            Console.WriteLine("|    /:::/  \\:::\\    \\        /:::/__\\:::\\    \\       /:::/    \\:::\\    \\       /:::/__\\:::\\    \\    |");
            Console.WriteLine("|   /:::/    \\:::\\    \\      /::::\\   \\:::\\    \\     /:::/    / \\:::\\    \\      \\:::\\   \\:::\\    \\   |");
            Console.WriteLine("|  /:::/    / \\:::\\    \\    /::::::\\   \\:::\\    \\   /:::/____/   \\:::\\____\\   ___\\:::\\   \\:::\\    \\  |");
            Console.WriteLine("| /:::/    /   \\:::\\ ___\\  /:::/\\:::\\   \\:::\\ ___\\ |:::|    |     |:::|    | /\\   \\:::\\   \\:::\\    \\ |");
            Console.WriteLine("|/:::/____/     \\:::|    |/:::/__\\:::\\   \\:::|    ||:::|____|     |:::|    |/::\\   \\:::\\   \\:::\\____\\|");
            Console.WriteLine("|\\:::\\    \\     /:::|____|\\:::\\   \\:::\\  /:::|____| \\:::\\    \\   /:::/    / \\:::\\   \\:::\\   \\::/    /|");
            Console.WriteLine("| \\:::\\    \\   /:::/    /  \\:::\\   \\:::\\/:::/    /   \\:::\\    \\ /:::/    /   \\:::\\   \\:::\\   \\/____/ |");
            Console.WriteLine("|  \\:::\\    \\ /:::/    /    \\:::\\   \\::::::/    /     \\:::\\    /:::/    /     \\:::\\   \\:::\\    \\     |");
            Console.WriteLine("|   \\:::\\    /:::/    /      \\:::\\   \\::::/    /       \\:::\\__/:::/    /       \\:::\\   \\:::\\____\\    |");
            Console.WriteLine("|    \\:::\\  /:::/    /        \\:::\\  /:::/    /         \\::::::::/    /         \\:::\\  /:::/    /    |");
            Console.WriteLine("|     \\:::\\/:::/    /          \\:::\\/:::/    /           \\::::::/    /           \\:::\\/:::/    /     |");
            Console.WriteLine("|      \\::::::/    /            \\::::::/    /             \\::::/    /             \\::::::/    /      |");
            Console.WriteLine("|       \\::::/    /              \\::::/    /               \\::/____/               \\::::/    /       |");
            Console.WriteLine("|        \\::/____/                \\::/____/                 ~~                      \\::/    /        |");
            Console.WriteLine("|         ~~                       ~~                                                \\/____/         |");
        }

        static string inputUserName()
        {
            string userName;
            Console.WriteLine("+----------------------------------------------------------------------------------------------------+");
            Console.Write("|>USERNAME-> ");
            userName = Console.ReadLine();
            return userName;
        }

        static string inputPass()
        {
            string pass;
            Console.Write("|>PASSWORD-> ");
            pass = string.Empty;
            ConsoleKeyInfo key;
            do
            {
                key = Console.ReadKey(true);
                if (key.Key == ConsoleKey.Enter) break;
                if (key.Key == ConsoleKey.Backspace)
                {
                    if (pass.Length != 0)
                    {
                        pass = pass.Remove(pass.Length - 1);
                        Console.Write("\b \b");
                    }
                }
                else
                {
                    pass += key.KeyChar;
                    Console.Write("*");
                }
            } while (true);

            return pass;
        }

        static void messWelcome(string user = " ")
        {
            Console.WriteLine("\n*******************************\n");
            Console.WriteLine($"\t WELCOME {user.ToUpper()} \n");
            Console.WriteLine("*******************************");
        }

        static int[] enterIncome(string[] month, int[] incomes)
        {
            int input;
            for (int i = 0; i < incomes.Length; i++)
            {
                while (true)
                {
                    Console.Write($"|>INCOME FOR {month[i].ToUpper()} -> ");
                    try
                    {
                        input = int.Parse(Console.ReadLine());
                        incomes[i] = input;
                        break;
                    }
                    catch (FormatException)
                    {
                        Console.WriteLine("\n \t ERROR \n");
                    }
                }
            }
            return incomes;
        }

        static void sort(string[] month, int[] income)
        {
            int tmp;
            string temp;
            int summ = 0;

            for (int i = 0; i < income.Length; i++)
            {

                summ += income[i];
                for (int j = 1; j < income.Length; j++)
                {
                    if (income[i] > income[j])
                    {
                        tmp = income[i];
                        temp = month[i];

                        income[i] = income[j];
                        month[i] = month[j];

                        income[j] = tmp;
                        month[j] = temp;
                    }
                }
            }
            Console.WriteLine($"\n\n|>AVERAGE->  {summ / income.Length}\n");
        }

        static void messConfirm()
        {
            Console.WriteLine("\n \t CONFIRM OPERATION \n");
        }

        static void messError()
        {
            Console.WriteLine("\n \t ERROR \n");
        }

        static int Main(string[] args)
        {
            welcome();

            string userName = inputUserName();
            string pass = inputPass();

            messWelcome(userName);

            string[] month = { "january ", "february", "march   ", "april   " };
            int[] income = new int[4];

            enterIncome(month, income);

            messConfirm();

            while (true)
            {

                string validUserName = inputUserName();
                string validPass = inputPass();

                if (userName == validUserName || pass == validPass)
                {
                    sort(month, income);

                    Console.WriteLine("INCOMES \n");
                    for (int i = 0; i < income.Length; i++)
                    {
                        Console.WriteLine($"{ month[i]} -> {income[i] }");
                    }

                    break;
                }

                messError();

            }
            return 0;
        }
    }
}