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

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            int Keuze = 0;
            string KeuzeString = "";
            string CPUKeuzeString = "";
            int Win = 0;
            int Gelijk = 0;
            int Verloren = 0;

            goto Menu;

        Menu:
            Keuze = 0;
            Console.Clear();
            Console.WriteLine("Hello, what do you wish to do?");
            Console.WriteLine("1 = Play, 2 = Scores, 3 = Exit");
            string EersteInput = Console.ReadLine();

            if (EersteInput == "1")
            {
                goto StartSpel;
            } else if (EersteInput == "2")
            {
                goto Scores;
            } else if (EersteInput == "3")
            {
                goto SluitApp;
            } else
            {
                goto Menu;
            }

        StartSpel:
            Console.Clear();
            Random RandomNum = new Random();
            int CPUKeuze = RandomNum.Next(1, 4);

            if (CPUKeuze == 1)
            {
                CPUKeuzeString = "Scissors";
            } else if (CPUKeuze == 2)
            {
                CPUKeuzeString = "Stone";
            } else if (CPUKeuze == 3)
            {
                CPUKeuzeString = "Paper";
            }
            //1 == schaar, 2 == steen, 3 == papier
            //1 ^ 3, 2 ^ 1, 3 ^ 2, 1 == 1, 2 == 2, 3 = 3
            Console.WriteLine("Choose: 1 = Scissors, 2 = Rock, 3 = Paper");
            string DerdeKeuze = Console.ReadLine();
            Console.WriteLine("");
            if (DerdeKeuze == "1")
            {
                Keuze = 1;
                KeuzeString = "Scissors";
                goto TweedeFase;
            } else if (DerdeKeuze == "2")
            {
                Keuze = 2;
                KeuzeString = "Stone"; 
                goto TweedeFase;
            } else if (DerdeKeuze == "3")
            {
                Keuze = 3;
                KeuzeString = "Paper";
                goto TweedeFase;
            } else
            {
                goto StartSpel;
            }

        TweedeFase:
            Console.Clear();
            Console.WriteLine("You chose: {0}, the CPU chose: {1}",KeuzeString, CPUKeuzeString);

            if (Keuze == CPUKeuze)
            {
                Console.WriteLine("It's a tie.");
                Console.WriteLine("Do you wish to play again? 1 = Menu, 2 = Exit");
                string VierdeKeuze = Console.ReadLine();
                Gelijk += 1;
                if (VierdeKeuze == "1")
                {
                    goto Menu;
                }
                else if (VierdeKeuze == "2")
                {
                    goto SluitApp;
                }
            }
            if (CPUKeuze == 1)
            {
                if (Keuze == 3)
                {
                    Console.WriteLine("CPU wins. (CPU: {0}, P1: {1})", CPUKeuzeString, CPUKeuzeString);
                    Console.WriteLine("Do you wish to play again? 1 = Menu, 2 = Exit");
                    string VierdeKeuze = Console.ReadLine();
                    Verloren += 1;
                    if (VierdeKeuze == "1")
                    {
                        goto Menu;
                    }
                    else if (VierdeKeuze == "2")
                    {
                        goto SluitApp;
                    }
                }
                else
                {
                    Console.WriteLine("Player wins. (P1: {0}, CPU: {1})", KeuzeString, CPUKeuzeString);
                    Console.WriteLine("Do you wish to play again? 1 = Menu, 2 = Exit");
                    string VierdeKeuze = Console.ReadLine();
                    Win += 1;
                    if (VierdeKeuze == "1")
                    {
                        goto Menu;
                    }
                    else if (VierdeKeuze == "2")
                    {
                        goto SluitApp;
                    }
                }
            }
            if (CPUKeuze == 2)
            {
                if (Keuze == 1)
                {
                    Console.WriteLine("CPU wins. (CPU: {0}, P1: {1})", CPUKeuzeString, CPUKeuzeString);
                    Console.WriteLine("Do you wish to play again? 1 = Menu, 2 = Exit");
                    string VierdeKeuze = Console.ReadLine();
                    Verloren += 1;
                    if (VierdeKeuze == "1")
                    {
                        goto Menu;
                    }
                    else if (VierdeKeuze == "2")
                    {
                        goto SluitApp;
                    }
                } else
                {
                    Console.WriteLine("Player wins. (P1: {0}, CPU: {1})", KeuzeString, CPUKeuzeString);
                    Console.WriteLine("Do you wish to play again? 1 = Menu, 2 = Exit");
                    string VierdeKeuze = Console.ReadLine();
                    Win += 1;
                    if (VierdeKeuze == "1")
                    {
                        goto Menu;
                    } else if (VierdeKeuze == "2")
                    {
                        goto SluitApp;
                    }
                }
            }
            if (CPUKeuze == 3)
            {
                if (Keuze == 2)
                {
                    Console.WriteLine("CPU wins. (CPU: {0}, P1: {1})", CPUKeuzeString, CPUKeuzeString);
                    Console.WriteLine("Do you wish to play again? 1 = Menu, 2 = Exit");
                    string VierdeKeuze = Console.ReadLine();
                    Verloren += 1;
                    if (VierdeKeuze == "1")
                    {
                        goto Menu;
                    }
                    else if (VierdeKeuze == "2")
                    {
                        goto SluitApp;
                    }
                } else
                {
                    Console.WriteLine("Player wins. (P1: {0}, CPU: {1})", KeuzeString, CPUKeuzeString);
                    Console.WriteLine("Do you wish to play again? 1 = Menu, 2 = Exit");
                    string VierdeKeuze = Console.ReadLine();
                    Win += 1;
                    if (VierdeKeuze == "1")
                    {
                        goto Menu;
                    }
                    else if (VierdeKeuze == "2")
                    {
                        goto SluitApp;
                    }
                }
            }


        Scores:
            Console.Clear();
            Console.WriteLine("Wins: {0}, Losses: {1}, Draws: {2}", Win, Verloren, Gelijk);
            Console.WriteLine("What do you want to do? 1 = Main Menu, 2 = Exit");
            string KeuzeTwee = Console.ReadLine();

            if (KeuzeTwee == "1")
            {
                goto Menu;
            } else if (KeuzeTwee == "2")
            {
                goto SluitApp;
            } else
            {
                goto Scores;
            }

        SluitApp:
            System.Environment.Exit(1);
        }
    }
}