Rock Paper Scissors v1.0

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RockPaperScissorApp
{
    class Program
    {
        static string userChoice = "";
        static string userChoiceInput;
        static string cpuChoice;
        static string rock = "Rock";
        static string paper = "Paper";
        static string scissors = "Scissors";
        static int gameCount = 0;
        static int winCount = 0;
        static int tieCount = 0;

        static void Main(string[] args)
        {
            //Loop to keep the game running
            bool playAgain = true;
            do
            {
                bool inputCorrect = false;
                //Check to see if user input equals Rock, Paper, or Scissors
                do
                {
                    Console.Clear();
                    Console.Write(@"Please enter ""{0}"", ""{1}"", or ""{2}"" : ", rock, paper, scissors);
                    userChoiceInput = Console.ReadLine();
                    userChoice = userChoiceInput.First().ToString().ToUpper() + userChoiceInput.Substring(1).ToLower();

                    if ((userChoiceInput.Equals(rock, StringComparison.OrdinalIgnoreCase)) ||
                    (userChoiceInput.Equals(paper, StringComparison.OrdinalIgnoreCase)) ||
                    (userChoiceInput.Equals(scissors, StringComparison.OrdinalIgnoreCase)))
                    {
                        inputCorrect = true;
                    }
                    else
                    {
                        Console.Clear();
                        Console.WriteLine("Input Invalid");
                    }
                } while (!inputCorrect);

                Console.WriteLine($"You chose {userChoice}");

                //Set Rock, Paper, Scissors array
                string[] cpuChoose = new string[] { "Rock", "Paper", "Scissors" };

                Random rnd = new Random();
                int cpuIndex = rnd.Next(0, 3);
                cpuChoice = cpuChoose[cpuIndex];

                Console.Clear();
                Console.WriteLine("User chooses {0}", userChoice);
                Console.WriteLine("Computer chooses {0}", cpuChoice);
                Play();
                Console.WriteLine("");
                Console.WriteLine($"Game Count: {gameCount}");
                Console.WriteLine($"Wins: { winCount}");
                Console.WriteLine($"Losses: {gameCount - winCount}");
                Console.WriteLine("Win Percent: TODO");

                Console.WriteLine("");
                Console.WriteLine(@"Play Again? Enter ""Y"" or ""N"" ");
                string playAgainInput = Console.ReadLine();

                if(playAgainInput == "N" || playAgainInput =="n")
                {
                    playAgain = false;
                }

            } while (playAgain);

         Console.WriteLine("Program Ended");

        }

        //Check to see who wins round
        static void Play()
        {
            if (userChoice == cpuChoice)
            {
                Console.WriteLine("Tie");
                tieCount++;
            }
            else
            {
                if (userChoice == "Rock" && cpuChoice == "Scissors")
                {
                    Console.WriteLine("You Win!");
                    winCount++;
                }
                if (userChoice == "Rock" && cpuChoice == "Paper")
                {
                    Console.WriteLine("You Lose");
                }
                if (userChoice == "Paper" && cpuChoice == "Rock")
                {
                    Console.WriteLine("You Win!");
                    winCount++;
                }
                if (userChoice == "Paper" && cpuChoice == "Scissors")
                {
                    Console.WriteLine("You Lose");
                }
                if (userChoice == "Scissors" && cpuChoice == "Paper")
                {
                    Console.WriteLine("You Win!");
                    winCount++;
                }
                if (userChoice == "Scissors" && cpuChoice == "Rock")
                {
                    Console.WriteLine("You Lose");
                }
            }
            gameCount++;
        }

    }
}