using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.ForegroundColor = ConsoleColor.DarkGreen;
            MainMenu();
        }
        static void MainMenu()
        {
            Logo("Please enter command.");
            Console.WriteLine("> Access system information");
            N();
            Console.WriteLine("> Access user information");
            N();
            Console.WriteLine("> Quit");
            N(); N(); N(); N(); N(); N(); N(); N();
            Console.Write("> ");
            string MainInput = Console.ReadLine();
            if (MainInput == "Access system information")
            {
                MenuSystem();
            }
            else if (MainInput == "Access user information")
            {
                MenuUser();
            }
            else if (MainInput == "Quit")
            {
            }
            else
            {
                Console.Clear();
                MainMenu();
            }
        }
        static void MenuSystem()
        {
            Logo("Please enter command.");
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("Robco Industries Unified OS");
            Console.WriteLine("Version 4 build 4.02.682.101");
            Console.WriteLine("Robco Dentium Processing Unit 70175 @ 24 MHZ");
            Console.WriteLine("8 MB Allocated RAM, 3MB Available");
            Console.BackgroundColor = ConsoleColor.Red;
            Console.ForegroundColor = ConsoleColor.White;
            WriteFullLine("**ERROR!**");
            WriteFullLine("CANNOT FIND ACCEPTABLE STORAGE MEDIUM, PLEASE CONTACT YOUR LOCAL ADMINISTRATOR!");
            Console.ResetColor();
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("Currently connected to: RobcoServer 8.2");
            N(); N();
            Console.ForegroundColor = ConsoleColor.DarkGreen;
            Console.WriteLine("> Initiate system purge");
            N();
            Console.WriteLine("> Back");
            N();
            N();
            Console.Write("> ");
            string SystemInput = Console.ReadLine();
            if (SystemInput == "Initiate system purge")
            {
                SystemPurge();
            }
            else if (SystemInput == "Back")
            {
                MainMenu();
            }
            else
            {
                MenuSystem();
            }
        }
        static void SystemPurge()
        {
            Logo("");
            Console.Write("Commencing system purge");
            Wait(".", 1, 5);
            N();
            Console.Write("Flashing system files");
            Wait(".", 1, 5);
            N();
        }
        static void MenuUser()
        {
            Logo("Please enter command.");
        }
        static void WriteFullLine(string value)
        {
            // Color entire line
            Console.WriteLine(value.PadRight(Console.WindowWidth - 1));
        }
        static void Logo(string warning)
        {
            Console.Clear();
            // Logo output
            WriteFullLine("╔═════════════════════════════════════════════════════════════════════════════╗");
            WriteFullLine("║                 ROBCO INDUSTRIES UNIFIED OPERATING SYSTEM                   ║");
            WriteFullLine("║                   COPYRIGHT 2075-2077 ROBCO. INDUSTRIES                     ║");
            WriteFullLine("║                                -VERSION 4-                                  ║");
            WriteFullLine("╚═════════════════════════════════════════════════════════════════════════════╝");
            Console.WriteLine(warning);
            N();
            N();
        }
        static void N()
        {
            Console.WriteLine();
        }
        static void Wait(string text, int delay, int repeat)
        {
            TimeSpan interval = new TimeSpan(0, 0, delay);

            for (int i = 0; i < repeat; i++)
            {
                Console.Write(text);
                Thread.Sleep(interval);
            }
        }



    }
}