using System;

using System.Threading; 

​

namespace Computer_guessing_game

{

    class Program

    {

        enum RPSEnum

        {

            Rock, Paper, Scissors

        }

        enum GameResultEnum

        {

            Win, Draw, Lose

        }

​

        static RPSEnum GenerateRandomMove()

        {

​

            Random random = new Random(Guid.NewGuid().GetHashCode());

​

            int computerMoveInt = random.Next(1, 4);

            if (computerMoveInt == 1) return RPSEnum.Rock;

            if (computerMoveInt == 2) return RPSEnum.Paper;

            if (computerMoveInt == 3) return RPSEnum.Scissors;

​

            throw new Exception();

        }

        static RPSEnum ReadUserMove()

        {

            while (true)

            {

                Console.Write("Your move (R - rock, P - paper, S - scissors): ");

                string userInput = Console.ReadLine().ToUpper();

​

                if (userInput == "R") return RPSEnum.Rock;

                if (userInput == "P") return RPSEnum.Paper;

                if (userInput == "S") return RPSEnum.Scissors;

                throw new Exception();

            }

        }

        static string ConvertMoveToString(RPSEnum move)

        {

            if (move == RPSEnum.Rock) return "Rock";

            if (move == RPSEnum.Paper) return "Paper";

            if (move == RPSEnum.Scissors) return "Scissors";

​

            throw new Exception();

        }

        // this will return win if moveA wins

        static GameResultEnum GameResult(RPSEnum moveA, RPSEnum moveB)

        {

            if (moveA == RPSEnum.Rock)

            {

                if (moveB == RPSEnum.Rock) return GameResultEnum.Draw;

                if (moveB == RPSEnum.Paper) return GameResultEnum.Lose;

                if (moveB == RPSEnum.Scissors) return GameResultEnum.Win;

            }

            if (moveA == RPSEnum.Paper)

            {

                if (moveB == RPSEnum.Rock) return GameResultEnum.Win;

                if (moveB == RPSEnum.Paper) return GameResultEnum.Draw;

                if (moveB == RPSEnum.Scissors) return GameResultEnum.Lose;

            }

            if (moveA == RPSEnum.Scissors)

            {

                if (moveB == RPSEnum.Rock) return GameResultEnum.Lose;

                if (moveB == RPSEnum.Paper) return GameResultEnum.Win;

                if (moveB == RPSEnum.Scissors) return GameResultEnum.Draw;

            }

​

            throw new Exception();

        }

        static void Main(string[] args)

        {

            Console.WriteLine("Welcome to RPS game!");

            Console.WriteLine();

            int compWins = 0;

            int userWins = 0;

            Random random = new Random();

            while (true)

            {

                Console.WriteLine($"{userWins} - {compWins}");

                RPSEnum computerMove = GenerateRandomMove();

​

                Console.Write("Your move (R - rock, P - paper, S - scissors): ");

​

                RPSEnum userMove = ReadUserMove();

​

                Console.WriteLine($"I played {ConvertMoveToString(computerMove)}");

​

                GameResultEnum gameResult = GameResult(computerMove, userMove);

​

                if (gameResult == GameResultEnum.Win)

                {

                    compWins = compWins + 1;

                    Console.WriteLine("I win");

                }

                else if (gameResult == GameResultEnum.Lose)

                {

                    userWins = userWins + 1;

                    Console.WriteLine("You win");

                }

                else

                {

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

                }

                Thread.Sleep(1500);

                Console.Clear();

            }

        }

    }

}

​