using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Security.Cryptography;
using BeeSoft.ECLIPSE_EDV;

namespace BeeSoft.ECLIPSE_EDV
{
    class Program
    {
        public static void PrintHead()
        {
            Console.WriteLine(@"               ");
            Console.WriteLine(@"                              ");
            Console.WriteLine(@"                                  _---------_     ");
            Console.WriteLine(@"                               _-             -_ ");
            Console.WriteLine(@"                              /     ECL EDV     \");
        }
        public static void PrintBeeSoftTitle()
        {
            Console.WriteLine(@"                     ______           _____        __ _   ");
            Console.WriteLine(@"                     | ___ \         /  ___|      / _| |  ");
            Console.WriteLine(@"                     | |_/ / ___  ___\ `--.  ___ | |_| |_ ");
            Console.WriteLine(@"                     | ___ \/ _ \/ _ \`--. \/ _ \|  _| __|");
            Console.WriteLine(@"                     | |_/ /  __/  __/\__/ / (_) | | | |_ ");
            Console.WriteLine(@"                     \____/ \___|\___\____/ \___/|_|  \__|");
        }
        public static void Main(string[] args)
        {
            bool admin;
            Console.BackgroundColor = ConsoleColor.Blue;
            Console.Title = "BeeSoft ECLIPSE EDV";
            Console.WriteLine("Starting BeeSoft ECLIPSE Express Disk Version...\a");
            Thread.Sleep(3000);
            Console.Clear();
            PrintBeeSoftTitle();
            PrintHead();
            Console.BackgroundColor = ConsoleColor.Black;
            Thread.Sleep(2000);
            Console.Clear();
            Console.WriteLine("Loading login system...");
            Thread.Sleep(1000);
        login:
            Thread.Sleep(1000);
            Console.Clear();
            Console.WriteLine("Login\n---------------");
            Console.Write("Enter username: ");
            string username;
            username = Console.ReadLine();
            Console.Write("Enter password: ");
            string password;
            password = "";
            /*label enterpass: part of non-work code*/
            while (username != "guest")
            {
                ConsoleKeyInfo passchar = Console.ReadKey(true);
                if (passchar.Key == ConsoleKey.Backspace)
                {
                    if (password.Length > 0)
                        Console.CursorLeft--;
                    password = password.Remove(password.Length - 1, 1);
                    /*if ((password.Length) <= 0)
                    {
                        password = "";
                        goto enterpass;
                    }*/
                    //code didn't work - "hold start index > 0"
                }
                else if (passchar.Key == ConsoleKey.Enter)
                {
                    break;
                }
                else
                {
                    password += passchar.KeyChar.ToString();
                    Console.CursorLeft++;
                }
            }
            MD5 hasher = MD5.Create();
            byte[] passwordbytes = Encoding.UTF8.GetBytes(password);
            string passhash = Convert.ToBase64String(hasher.ComputeHash(passwordbytes));
            // At this point, we could take the information above and check to make sure it's the same as the info we have stored.
            Console.WriteLine("\n");
            Console.WriteLine("B 2009 Operating System\n\n");
            if (username == "guest")
            {
                Console.WriteLine("Welcome, guest user!");
                admin = false;
            }
            else if (username == "administrator" && password == "adpass")
            {
                Console.WriteLine("Welcome, " + username + '!' + '\n');
                admin = true;
            }
            else if (username == "bertrand" && password == "7333240421")
            {
                Console.WriteLine("Welcome, " + username + '!' + '\n');
                admin = true;
            }
            else if (username == "Nightgunner5" && passhash == "Pk3OGQyFcrZMG4kYvBCm6A==")
            {
                Console.WriteLine("Welcome, " + username + '!' + '\n');
                admin = true;
            }
            else if (username == "heather" && password == "happyduckhead_idk")
            {
                Console.WriteLine("Welcome, " + username + '!' + '\n');
                admin = true;
            }
            else if (username == "ssaamm" && password == "FREDWARDBEEFBURGER")
            {
                Console.WriteLine("Welcome, " + username + '!' + '\n');
                admin = false;
            }
            else
            {
                Console.WriteLine("ACCESS DENIED");
                goto login;
            }
        desktop:
            Thread.Sleep(1000);
            Console.Clear();
            Console.WriteLine("Loading desktop...");
            Thread.Sleep(1000);
            Console.Clear();
            Console.WriteLine("Desktop\n-----------");
            Console.WriteLine("Options: Shut Down, Programs, or Logout");
            Console.WriteLine("SLC by Cp Input Stream Manager");
            Console.WriteLine("Info on PRCP 2 in .pr>info*, .cp>info>>||, and C>>info|");
            Console.Write("Cp>>");
            string dskinp;
            dskinp = Console.ReadLine();
            if (dskinp == "logout>>||")
            {
                goto login;
            }
            else if (dskinp == "shutdown>>||")
            {

            }
            else if (dskinp == "Programs>>||")
            {
                goto ProgramSlc;
            }
            else
            {
                Console.WriteLine("Error: Invalid command");
                Thread.Sleep(1000);
                Console.Clear();
                goto desktop;
            }
        ProgramSlc:
            Console.Clear();
            Console.WriteLine("Select: .pr>, .cp>, C>>:");
            Console.Write("Select (CFLOW is the default): ");
            string prslcinp;
            prslcinp = Console.ReadLine();
            if (prslcinp == ".pr>")
            {
                Console.Clear();
                goto pr;
            }
            else if (prslcinp == ".cp>")
            {
                Console.Clear();
                goto cp;
            }
            else
            {
                Console.Clear();
                goto cf;
            }
            pr:
            PrintBeeSoftTitle();
            PrintHead();
            Console.Write(".pr>");
            string prs;
            prs = Console.ReadLine();
            if (prs == "info*")
            {
                goto info;
            }
            else if (prs == "exit*")
            {
                goto End;
            }
            else
            {
                Console.WriteLine("Error: Invalid command");
                Thread.Sleep(1000);
                Console.Clear();
                goto pr;
            }
            cp:
            PrintBeeSoftTitle();
            PrintHead();
            Console.Write(".cp>");
            string cps;
            cps = Console.ReadLine();
            if (cps == "info>>||")
            {
                goto info;
            }
            else if (cps == "exit>>||")
            {
                goto End;
            }
            else
            {
                Console.WriteLine("Error: Invalid command");
                Thread.Sleep(1000);
                Console.Clear();
                goto cp;
            }
            cf:
            PrintBeeSoftTitle();
            PrintHead();
            Console.Write("C>>");
            string cfs;
            cfs = Console.ReadLine();
            if (cfs == "info|")
            {
                goto info;
            }
            else if (cfs == "exit|")
            {
                goto End;
            }
            else
            {
                Console.WriteLine("Error: Invalid command");
                Thread.Sleep(1000);
                Console.Clear();
                goto pr;
            }
        info:
            Console.WriteLine("PRCP 2 Info\n--------");
            Console.WriteLine("PRCP 2 includes the updated .pr> and .cp> prompts, as well as CFLOW. PRCP 2 was designed for ECLIPSE, and operates starting from ECLIPSE. .pr> is, as usual, the general form prompt. .cp> is the new version of Cp>>, and C>> is still the general form CFLOW prompt.");
            Console.Read();
            goto desktop;
        End:
            {
            }
        }
    }
}