using System;

using System.Runtime.CompilerServices;

using System.Transactions;

​

namespace RockPaperScissors

/*  Requirements for this program to work:

    1: Intro to the program starting /

    2: Requesting rock, paper, or scissors from the player/

    3: Computer randomly generates one of rock, paper, or scissors /

    4: Compare player vs computer to see who wins /

    5: Add 1 point to the winner's point tally /

    6: Display point tally /

    7: Ask user if they would like to play again / 

    8: If yes, go again, if no, end the game and show final scores / */

{

    internal class Program

    {

        static void Main(string[] args)

        {

            // Setting the two points values up so they can be called on later, starts game by asking for player's name

            int playerPoints = 0;

            int computerPoints = 0;

            string playerName = "Player";

            Console.WriteLine("Let's play rock, paper, scissors!");

            Console.Write("Please enter your name: ");

            playerName = Console.ReadLine();

​

​

            // while loop that, while playAgain == true, plays out the game

            bool playAgain = true;

​

            while(playAgain){

                // set the computer's choice to be a random option of the three

                Random randomNumber = new Random();

                int computerChoice = randomNumber.Next(1, 4);

​

                // acquires player's choice

                Console.WriteLine($"Okay {playerName}, let's play!");

                Console.WriteLine("Make your choice by entering a number:\n1. Rock\n2. Paper\n3. Scissors");

                int playerChoice = Convert.ToInt32(Console.ReadLine());

​

​

                // switch statement that states what the computer chose depending on what randomNumber it was assigned

                switch(computerChoice){

                    case 1:

                        Console.WriteLine("Computer chose Rock.");

                        break;

                    case 2:

                        Console.WriteLine("Computer chose paper.");

                        break;

                    case 3: 

                        Console.WriteLine("Computer chose scissors.");

                        break;

                    default: 

                        break;

                }

​

                // series of if statements that give the different outcomes the ability to add scores to the correct side

                if(playerChoice == computerChoice){

                    Console.WriteLine("It's a tie! No points!");

                }

                else if((playerChoice == 1 && computerChoice == 2) || (playerChoice == 2 && computerChoice == 3) || (playerChoice == 3 && computerChoice == 1)){

                    Console.WriteLine("Computer wins!");

                    computerPoints++;

                    RunningScore(playerPoints, computerPoints, playerName);

                }

​

                else if((playerChoice == 2 && computerChoice == 1) || (playerChoice == 3 && computerChoice == 2) || (playerChoice == 1 && computerChoice == 3)){

                    Console.WriteLine($"{playerName} wins!");

                    playerPoints++;

                    RunningScore(playerPoints, computerPoints, playerName);

                }

​

                // this checks if the user wants to start the loop again, if "n" is entered, the scores are printed one last time and the loop ends

                Console.WriteLine("Would you like to play again? Y/N:");

                string goAgain = Console.ReadLine();

​

                if(goAgain == "n"){

                    Console.WriteLine("Thanks for playing! Here are the final scores:");

                    RunningScore(playerPoints, computerPoints, playerName);

                    playAgain = false;

                }

​

            }

​

            static void RunningScore(int playerPoints, int computerPoints, string playerName){

                Console.WriteLine($"Current score:\n{playerName}: {playerPoints}\nComputer: {computerPoints}");

            }

        }

    }

 }

​