using System;

using System.Threading;

​

namespace ConsoleApp12

{

    public enum ItemEnum

    {

        Rock, Paper, Scissors, Pickaxe, GlassOfWater

    }

​

    public class Program

    {

        public static void Main(string[] args)

        {

            int userScore = 0;

            int computerScore = 0;

​

            while (true)

            {

                Console.ForegroundColor = ConsoleColor.Cyan;

                Console.WriteLine("R O C K   P A P E R   S C I S S O R S");

                Console.ForegroundColor = ConsoleColor.White;

                Console.WriteLine();

​

                Console.WriteLine("Score " + userScore + ":" + computerScore);

                Console.WriteLine();

​

                ItemEnum userItem = ReadItem();

                Console.WriteLine();

                Console.Write("You guessed: ");

                WriteItem(userItem);

                Console.WriteLine();

​

                ItemEnum computerItem = GetRandomItem();

                Console.WriteLine();

                Console.Write("I guessed: ");

                WriteItem(computerItem);

                Console.WriteLine();

​

                Console.ForegroundColor = ConsoleColor.Cyan;

                Console.WriteLine("R O C K");

                Thread.Sleep(750);

                Console.WriteLine("P A P E R");

                Thread.Sleep(750);

                Console.WriteLine("S C I S S O R S");

                Thread.Sleep(750);

                Console.WriteLine("S H O O T");

                Console.ForegroundColor = ConsoleColor.White;

​

​

                if (userItem == computerItem)

                {

                    Console.WriteLine("It's a draw!");

                    continue;

                }

​

                bool gameResult = CompareItems(userItem, computerItem);

                if (gameResult)

                {

                    Console.WriteLine("Computer Wins!");

                    computerScore++;

                }

                else

                {

                    Console.WriteLine("Player Wins!");

                    userScore++;

                }

                Console.ReadLine();

                Console.Clear();

            }

        }

​

        static ItemEnum GetRandomItem()

        {

            Random rnd = new Random();

            int computerRPS = rnd.Next(5) + 1; //Next(5) return 0-4

​

            if (computerRPS == 1) return ItemEnum.Rock;

            if (computerRPS == 2) return ItemEnum.Paper;

            if (computerRPS == 3) return ItemEnum.Scissors;

            if (computerRPS == 4) return ItemEnum.Pickaxe;

            if (computerRPS == 5) return ItemEnum.GlassOfWater;

​

            return ItemEnum.Rock; //this should never happen

        }

​

        static void WriteItem(ItemEnum item)

        {

            if (item == ItemEnum.Rock) Console.Write("Rock");

            if (item == ItemEnum.Paper) Console.Write("Paper");

            if (item == ItemEnum.Scissors) Console.Write("Scissors");

            if (item == ItemEnum.Pickaxe) Console.WriteLine("Pickaxe");

            if (item == ItemEnum.GlassOfWater) Console.WriteLine("Glass of water");

        }

​

        static ItemEnum ReadItem()

        {

            while (true)

            {

                Console.WriteLine("1 - Rock");

                Console.WriteLine("2 - Paper");

                Console.WriteLine("3 - Scissors");

                Console.WriteLine("4 - Pickaxe");

                Console.WriteLine("5 - Glass of water");

                Console.Write("Please Pick: ");

​

                string input = Console.ReadLine();

​

                if (input == "1") return ItemEnum.Rock;

                if (input == "2") return ItemEnum.Paper;

                if (input == "3") return ItemEnum.Scissors;

                if (input == "4") return ItemEnum.Pickaxe;

                if (input == "5") return ItemEnum.GlassOfWater;

​

                Console.WriteLine("Invalid input");

                Console.WriteLine();

            }

        }

​

        static bool CompareItems(ItemEnum x, ItemEnum y)

        {

            if (x == ItemEnum.Rock)

            {

                if (y == ItemEnum.Paper) return false;

                if (y == ItemEnum.Scissors) return true;

                if (y == ItemEnum.Pickaxe) return false;

                if (y == ItemEnum.GlassOfWater) return true;

            }

​

            if (x == ItemEnum.Paper) 

            {

                if (y == ItemEnum.Rock) return true;

                if (y == ItemEnum.Scissors) return true;

                if (y == ItemEnum.Pickaxe) return false;

                if (y == ItemEnum.GlassOfWater) return true;

            }

​

            if (x == ItemEnum.Scissors) 

            {

                if (y == ItemEnum.Rock) return false;

                if (y == ItemEnum.Paper) return true;

                if (y == ItemEnum.Pickaxe) return true;

                if (y == ItemEnum.GlassOfWater) return false;

            }

​

            if (x == ItemEnum.Pickaxe)

            {

                if (y == ItemEnum.Rock) return true;

                if (y == ItemEnum.Paper) return false;

                if (y == ItemEnum.Scissors) return false;

                if (y == ItemEnum.GlassOfWater) return true;

            }

​

            if (x == ItemEnum.GlassOfWater)

            {

                if (y == ItemEnum.Rock) return false;

                if (y == ItemEnum.Paper) return true;

                if (y == ItemEnum.Scissors) return true;

                if (y == ItemEnum.Pickaxe) return false;

            }

​

            return false;

        }

    }

}

​