LuckyNumber

using System;

class LuckyNumber
{
    static void Main()
    {
        //console options
        Console.WindowHeight = 40;
        Console.BufferWidth = Console.WindowWidth = 50;
        Console.Title = "Lucky Number!";

        Console.WriteLine("          Welcome to Lucky Number game!");
        Console.WriteLine("            Created by Fundamentalen   ");
        Console.WriteLine();
        Console.WriteLine("-|---------------------------------------------|-");
        Console.WriteLine("-|                 Difficulty                  |-");
        Console.WriteLine("-|---------------------------------------------|-");
        Console.WriteLine("-|                    Easy                     |-");
        Console.WriteLine("-|                   Normal                    |-");
        Console.WriteLine("-|                    Hard                     |-");
        Console.WriteLine("-|                 Impossible                  |-");
        Console.WriteLine("-|                  Challenge                  |-");
        Console.WriteLine("-|---------------------------------------------|-");
        Console.WriteLine();

        string choice = string.Empty;
        while (choice != "Easy" && choice != "Normal" && choice != "Hard" && choice != "Impossible" &&
               choice != "easy" && choice != "normal" && choice != "hard" && choice != "impossible" &&
               choice != "Challenge" && choice != "challenge")
        {
            Console.Write("           Enter your choice: ");
            choice = Console.ReadLine();
        }

        Console.Clear();

        //CHALLANGE
        if (choice == "Challenge" || choice == "challenge")
        {
            Console.WriteLine("Interval for searching[x..y]");
            Console.WriteLine("Maximum is " + int.MaxValue);
            Console.WriteLine("Minimum is " + int.MinValue);
            Console.Write("x: ");
            int x = int.Parse(Console.ReadLine());
            Console.Write("y: ");
            int y = int.Parse(Console.ReadLine());
            Console.Write("Lives: ");
            int lives = int.Parse(Console.ReadLine());

            int c = 0;

            if (x > y)
            {
                c = x;
                x = y;
                y = c;
            }

            Console.WriteLine();

            Console.Write("Challenge ");
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("[{0}...{1}]", x, y);
            Console.ResetColor();
            Console.Write("Attempts: ");
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine("{0}{1}", lives, ((char)3));
            Console.ResetColor();
            Console.WriteLine("Write 'start' to begin the game!");

            string start = string.Empty;
            while (start != "start")
            {
                Console.Write("Command: ");
                start = Console.ReadLine();
            }

            Console.WriteLine();

            Random randomNumber = new Random();
            int theNumber = randomNumber.Next(x, y);

            while (start == "start")
            {
                if (lives < 1)
                {
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine("GAME OVER!");
                    Console.WriteLine("The number was " + theNumber);
                    Console.ResetColor();
                    break;
                }
                else if (lives == 1)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("Last chance...");
                    Console.ResetColor();
                }
                else if (lives > 1)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("{0}{1}", lives, ((char)3));
                    Console.ResetColor();
                }

                int userNumber;
                Console.Write("Guess: ");
                string readNumber = Console.ReadLine();
                bool parsedNumber = int.TryParse(readNumber, out userNumber);

                if (!parsedNumber)
                {
                    Console.WriteLine("Invalid input!");
                    Console.WriteLine();
                    continue;
                }

                if (userNumber > y || userNumber < x)
                {
                    Console.WriteLine("Invalid input!");
                    Console.WriteLine();
                    continue;
                }
                else if (userNumber == theNumber)
                {
                    Console.WriteLine();
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine("You found the number, well done!");
                    Console.ResetColor();
                    break;
                }
                else if (userNumber > theNumber)
                {
                    Console.WriteLine("DOWN");
                    lives--;
                }
                else if (userNumber < theNumber)
                {
                    Console.WriteLine("UP");
                    lives--;
                }

                Console.WriteLine();
            }
        }

        //EASY
        if (choice == "Easy" || choice == "easy")
        {
            int lives = 8;

            Console.Write("Easy ");
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("[1...100]");
            Console.ResetColor();
            Console.Write("Attempts: ");
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine("{0}{1}", lives, ((char)3));
            Console.ResetColor();
            Console.WriteLine("Write 'start' to begin the game!");

            string start = string.Empty;
            while (start != "start")
            {
                Console.Write("Command: ");
                start = Console.ReadLine();
            }

            Console.WriteLine();

            Random randomNumber = new Random();
            int theNumber = randomNumber.Next(1, 100);

            while (start == "start")
            {
                if (lives < 1)
                {
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine("GAME OVER!");
                    Console.WriteLine("The number was " + theNumber);
                    Console.ResetColor();
                    break;
                }
                else if (lives == 1)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("Last chance...");
                    Console.ResetColor();
                }
                else if (lives > 1)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("{0}{1}", lives, ((char)3));
                    Console.ResetColor();
                }

                int userNumber;
                Console.Write("Guess: ");
                string readNumber = Console.ReadLine();
                bool parsedNumber = int.TryParse(readNumber, out userNumber);

                if (!parsedNumber)
                {
                    Console.WriteLine("Invalid input!");
                    Console.WriteLine();
                    continue;
                }

                if (userNumber > 100 || userNumber < 1)
                {
                    Console.WriteLine("Invalid input!");
                    Console.WriteLine();
                    continue;
                }
                else if (userNumber == theNumber)
                {
                    Console.WriteLine();
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine("You found the number, well done!");
                    Console.ResetColor();
                    break;
                }
                else if (userNumber > theNumber)
                {
                    Console.WriteLine("DOWN");
                    lives--;
                }
                else if (userNumber < theNumber)
                {
                    Console.WriteLine("UP");
                    lives--;
                }

                Console.WriteLine();
            }
        }

        //NORMAL
        if (choice == "Normal" || choice == "normal")
        {
            int lives = 10;

            Console.Write("Normal ");
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("[1...1 000]");
            Console.ResetColor();
            Console.Write("Attempts: ");
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine("{0}{1}", lives, ((char)3));
            Console.ResetColor();
            Console.WriteLine("Write 'start' to begin the game!");

            string start = string.Empty;
            while (start != "start")
            {
                Console.Write("Command: ");
                start = Console.ReadLine();
            }

            Console.WriteLine();

            Random randomNumber = new Random();
            int theNumber = randomNumber.Next(1, 1000);

            while (start == "start")
            {
                if (lives < 1)
                {
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine("GAME OVER!");
                    Console.WriteLine("The number was " + theNumber);
                    Console.ResetColor();
                    break;
                }
                else if (lives == 1)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("Last chance...");
                    Console.ResetColor();
                }
                else if (lives > 1)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("{0}{1}", lives, ((char)3));
                    Console.ResetColor();
                }

                int userNumber;
                Console.Write("Guess: ");
                string readNumber = Console.ReadLine();
                bool parsedNumber = int.TryParse(readNumber, out userNumber);

                if (!parsedNumber)
                {
                    Console.WriteLine("Invalid input!");
                    Console.WriteLine();
                    continue;
                }

                if (userNumber > 1000 || userNumber < 1)
                {
                    Console.WriteLine("Invalid input!");
                    Console.WriteLine();
                    continue;
                }
                else if (userNumber == theNumber)
                {
                    Console.WriteLine();
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine("You found the number, well done!");
                    Console.ResetColor();
                    break;
                }
                else if (userNumber > theNumber)
                {
                    Console.WriteLine("DOWN");
                    lives--;
                }
                else if (userNumber < theNumber)
                {
                    Console.WriteLine("UP");
                    lives--;
                }

                Console.WriteLine();
            }
        }

        //HARD
        if (choice == "Hard" || choice == "hard")
        {
            int lives = 12;

            Console.Write("Hard ");
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("[1...10 000]");
            Console.ResetColor();
            Console.Write("Attempts: ");
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine("{0}{1}", lives, ((char)3));
            Console.ResetColor();
            Console.WriteLine("Write 'start' to begin the game!");

            string start = string.Empty;
            while (start != "start")
            {
                Console.Write("Command: ");
                start = Console.ReadLine();
            }

            Console.WriteLine();

            Random randomNumber = new Random();
            int theNumber = randomNumber.Next(1, 10000);

            while (start == "start")
            {
                if (lives < 1)
                {
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine("GAME OVER!");
                    Console.WriteLine("The number was " + theNumber);
                    Console.ResetColor();
                    break;
                }
                else if (lives == 1)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("Last chance...");
                    Console.ResetColor();
                }
                else if (lives > 1)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("{0}{1}", lives, ((char)3));
                    Console.ResetColor();
                }

                int userNumber;
                Console.Write("Guess: ");
                string readNumber = Console.ReadLine();
                bool parsedNumber = int.TryParse(readNumber, out userNumber);

                if (!parsedNumber)
                {
                    Console.WriteLine("Invalid input!");
                    Console.WriteLine();
                    continue;
                }

                if (userNumber > 10000 || userNumber < 1)
                {
                    Console.WriteLine("Invalid input!");
                    Console.WriteLine();
                    continue;
                }
                else if (userNumber == theNumber)
                {
                    Console.WriteLine();
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine("You found the number, well done!");
                    Console.ResetColor();
                    break;
                }
                else if (userNumber > theNumber)
                {
                    Console.WriteLine("DOWN");
                    lives--;
                }
                else if (userNumber < theNumber)
                {
                    Console.WriteLine("UP");
                    lives--;
                }

                Console.WriteLine();
            }
        }

        //IMPOSSIBLE
        if (choice == "Impossible" || choice == "impossible")
        {
            int lives = 14;

            Console.Write("Impossible ");
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("[1...100 000]");
            Console.ResetColor();
            Console.Write("Attempts: ");
            Console.ForegroundColor = ConsoleColor.Red;
            Console.WriteLine("{0}{1}", lives, ((char)3));
            Console.ResetColor();
            Console.WriteLine("Write 'start' to begin the game!");

            string start = string.Empty;
            while (start != "start")
            {
                Console.Write("Command: ");
                start = Console.ReadLine();
            }

            Console.WriteLine();

            Random randomNumber = new Random();
            int theNumber = randomNumber.Next(1, 100000);

            while (start == "start")
            {
                if (lives < 1)
                {
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine("GAME OVER!");
                    Console.WriteLine("The number was " + theNumber);
                    Console.ResetColor();
                    break;
                }
                else if (lives == 1)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("Last chance...");
                    Console.ResetColor();
                }
                else if (lives > 1)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("{0}{1}", lives, ((char)3));
                    Console.ResetColor();
                }

                int userNumber;
                Console.Write("Guess: ");
                string readNumber = Console.ReadLine();
                bool parsedNumber = int.TryParse(readNumber, out userNumber);

                if (!parsedNumber)
                {
                    Console.WriteLine("Invalid input!");
                    Console.WriteLine();
                    continue;
                }

                if (userNumber > 100000 || userNumber < 1)
                {
                    Console.WriteLine("Invalid input!");
                    Console.WriteLine();
                    continue;
                }
                else if (userNumber == theNumber)
                {
                    Console.WriteLine();
                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.WriteLine("You found the number, well done!");
                    Console.ResetColor();
                    break;
                }
                else if (userNumber > theNumber)
                {
                    Console.WriteLine("DOWN");
                    lives--;
                }
                else if (userNumber < theNumber)
                {
                    Console.WriteLine("UP");
                    lives--;
                }

                Console.WriteLine();
            }
        }

        Console.WriteLine();
        Console.WriteLine("If you want to try again write 'restart'");

        string restart = string.Empty;
        while (restart != "restart")
        {
            Console.Write("Command: ");
            restart = Console.ReadLine();
        }

        if (restart == "restart")
        {
            Console.Clear();
            Main();
        }
    }
}