Program.cs

using System;
using System.Diagnostics;
using System.IO;
using NAudio.Wave;
using System.Threading;

class Program
{
    static string PasswordFile = "CSP.txt";
    static string MusicPath = "music.flac";

    static void Main()
    {
        Console.Title = "X-UPC";
        Console.ForegroundColor = ConsoleColor.Green;
        Console.BackgroundColor = ConsoleColor.Black;
        Console.Clear();

        // Fake loading animation
        LoadingAnimation("BOOTING X-UPC");

        // Play music in background thread
        Thread musicThread = new Thread(PlayMusic);
        musicThread.IsBackground = true;
        musicThread.Start();

        // Authentication loop
        string correctPassword = File.Exists(PasswordFile) ? File.ReadAllText(PasswordFile).Trim() : "";

        while (true)
        {
            Console.Write("Password: ");
            string? input = Console.ReadLine()?.Trim();

            if (string.IsNullOrEmpty(input) || input != correctPassword)
            {
                Console.WriteLine("INCORRECT PASSWORD\n");
                continue;
            }
            break;
        }

        ShowMenu();

        // Reset console colors before exit
        Console.ResetColor();
    }

    static void ShowMenu()
    {
        while (true)
        {
            Console.Clear();
            Console.WriteLine("***************");
            Console.WriteLine("     MENU");
            Console.WriteLine("***************\n");
            Console.WriteLine("1) List Users On PC");
            Console.WriteLine("2) Create A New User");
            Console.WriteLine("3) Change A User's Pass");
            Console.WriteLine("4) Delete A User Account");
            Console.WriteLine("5) Change Script Pass");
            Console.WriteLine("6) Exit X-UPC\n");
            Console.Write("C:\\Users> ");
            string? choice = Console.ReadLine()?.Trim();

            switch (choice)
            {
                case "1":
                    RunCommand("net user");
                    break;
                case "2":
                    Console.Write("Enter New User's Name: ");
                    string? newUser = Console.ReadLine()?.Trim();
                    Console.Write("Enter Password: ");
                    string? newPass = Console.ReadLine()?.Trim();
                    if (!Validate(newUser, newPass)) break;
                    RunCommand($"net user \"{newUser}\" \"{newPass}\" /add");
                    break;
                case "3":
                    Console.Write("Enter User's Name: ");
                    string? targetUser = Console.ReadLine()?.Trim();
                    Console.Write("Enter New Password: ");
                    string? newPassword = Console.ReadLine()?.Trim();
                    if (!Validate(targetUser, newPassword)) break;
                    RunCommand($"net user \"{targetUser}\" \"{newPassword}\"");
                    break;
                case "4":
                    Console.Write("Enter User's Name to DELETE: ");
                    string? delUser = Console.ReadLine()?.Trim();
                    if (string.IsNullOrEmpty(delUser)) break;
                    Console.Write($"Are you sure you want to delete '{delUser}'? (y/n): ");
                    string? confirm = Console.ReadLine();
                    if (confirm?.Trim().ToLower() == "y")
                    {
                        RunCommand($"net user \"{delUser}\" /delete");
                        Console.WriteLine($"User '{delUser}' deleted.");
                    }
                    else Console.WriteLine("Delete cancelled.");
                    break;
                case "5":
                    Console.Write("Enter New Script Password: ");
                    string? scriptPass = Console.ReadLine()?.Trim();
                    if (string.IsNullOrEmpty(scriptPass)) break;
                    try
                    {
                        File.WriteAllText(PasswordFile, scriptPass);
                        Console.WriteLine("Password Updated!");
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine($"Failed to update password: {ex.Message}");
                    }
                    break;
                case "6":
                    return;
                default:
                    Console.WriteLine("Invalid Option. Try again.");
                    break;
            }

            Console.WriteLine("\nPress any key to return to the menu...");
            Console.ReadKey();
        }
    }

    static void RunCommand(string command)
    {
        using (var process = new Process
        {
            StartInfo = new ProcessStartInfo
            {
                FileName = "cmd.exe",
                Arguments = "/c " + command,
                RedirectStandardOutput = true,
                UseShellExecute = false,
                CreateNoWindow = true
            }
        })
        {
            process.Start();
            Console.WriteLine(process.StandardOutput.ReadToEnd());
            process.WaitForExit();
        }
    }

    static bool Validate(string? user, string? pass)
    {
        if (string.IsNullOrWhiteSpace(user) || string.IsNullOrWhiteSpace(pass))
        {
            Console.WriteLine("User name or password cannot be empty.");
            return false;
        }
        return true;
    }

    static void LoadingAnimation(string message)
    {
        Console.Write($"[{message}]");
        for (int i = 0; i < 30; i++)
        {
            Thread.Sleep(40);
            Console.Write(".");
        }
        Console.WriteLine("\n[READY]");
        Thread.Sleep(500);
        Console.Clear();
    }

    static void PlayMusic()
    {
        try
        {
            using var audio = new AudioFileReader(MusicPath);
            using var output = new WaveOutEvent();
            output.Init(audio);
            output.Play();
            while (output.PlaybackState == PlaybackState.Playing)
            {
                Thread.Sleep(500);
            }
        }
        catch
        {
            // Ignore if music fails (missing file or wrong format)
        }
    }
}