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

namespace AceyDucey
{
    class Program
    {
        private bool _Running;
        private bool _GameOver;
        private int _Wallet;
        private int[] _Cards = new int[3] { 0, 0, 0 };
        private Random _Random = new Random(Environment.TickCount);
        private string AskQuestion(string prompt)
        {
            while(true)
            {
                Console.WriteLine($"{prompt}? ");
                string ans = Console.ReadLine().ToUpper();
                if (String.IsNullOrWhiteSpace(ans))
                    Console.WriteLine("PLEASE ANSWER THE QUESTION.");
                else
                    return ans;
            }
        }
        private int GetIntInput(string prompt)
        {
            while(true)
            {
                Console.Write($"{prompt} ");
                string ans = Console.ReadLine();
                if (int.TryParse(ans, out int value)) return value;
                Console.WriteLine("YOU DID NOT ENTER AN INTEGER.");
            }
        }
        private int AskForBet()
        {
            while(true)
            {
                int bet = GetIntInput("WHAT IS YOUR BET?");
                if (bet < 0)
                    Console.WriteLine("PLEASE BET A NON-NEGATIVE AMOUNT.");
                else if (bet > _Wallet)
                {
                    Console.WriteLine("SORRY MY FRIEND, BUT YOU BET TOO MUCH.");
                    Console.WriteLine($"YOU HAVE ONLY {_Wallet} DOLLARS TO BET.");
                }
                else
                    return bet;
            }
        }
        private bool AskToPlayAgain()
        {
            while(true)
            {
                string ans = AskQuestion("DO YOU WANT TO PLAY AGAIN");
                if (ans == "YES" || ans == "Y") return true;
                if(ans == "NO" || ans == "N") return false;
                Console.WriteLine("PLEASE ANSWER \"YES\" OR \"NO\"");
            }
        }
        private bool AskToSeeTheRules()
        {
            while (true)
            {
                string ans = AskQuestion("DO YOU WANT TO SEE THE RULES");
                if (ans == "YES" || ans == "Y") return true;
                if (ans == "NO" || ans == "N") return false;
                Console.WriteLine("PLEASE ANSWER \"YES\" OR \"NO\"");
            }
        }
        private void DisplayCard(int card)
        {
            if (card == 11) Console.WriteLine("JACK");
            else if (card == 12) Console.WriteLine("QUEEN");
            else if (card == 13) Console.WriteLine("KING");
            else if (card == 14) Console.WriteLine("ACE");
            else Console.WriteLine($"{card}");
        }
        private void DisplayRules()
        {
            Console.WriteLine("ACEY DUCEY IS PLAYED IN THE FOLLOWING MANNER:");
            Console.WriteLine("THE DEALER (COMPUTER) DEALS TWO CARDS FACE UP");
            Console.WriteLine("YOU HAVE THE OPTION TO BET OR NOT BET DEPENDING");
            Console.WriteLine("ON WHETHER OR NOT YOU FEEL THE NEXT CARD WILL");
            Console.WriteLine("HAVE A VALUE BETWEEN THE FIRST TWO.\r\n");
            Console.WriteLine("IF YOU DO NOT WANT TO BET, INPUT A 0 (ZERO).");
        }
        private int GenerateRandomNumber(int minimum, int maximum, bool show)
        {
            int value = _Random.Next(minimum, maximum + 1);
            if (show) Console.WriteLine($"{value}");
            return value;
        }
        private int SelectCard()
        {
            while(true)
            {
                int card = GenerateRandomNumber(2, 14, false);
                if (card != _Cards[0] && card != _Cards[1] && card != _Cards[2])
                {
                    DisplayCard(card);
                    return card;
                }
            }
        }
        public void Run()
        {
            Console.WriteLine("*** ACEY DUCEY : C# ***");
            _Running = true;
            if (AskToSeeTheRules()) DisplayRules();
            while(_Running)
            {
                _Cards[0] = _Cards[1] = _Cards[2] = 0;
                _Wallet = 100;
                _GameOver = false;
                while(!_GameOver)
                {
                    Console.WriteLine($"YOU NOW HAVE {_Wallet} DOLLARS.");
                    _Cards[0] = SelectCard();
                    _Cards[1] = SelectCard();
                    int bet = AskForBet();
                    if (bet > 0)
                    {
                        _Cards[2] = SelectCard();
                        if ((_Cards[2] > _Cards[0] && _Cards[2] < _Cards[1]) || (_Cards[2] > _Cards[1] && _Cards[2] < _Cards[0]))
                        {
                            Console.WriteLine("YOU WIN!!!");
                            _Wallet += bet;
                        }
                        else
                        {
                            Console.WriteLine("SORRY, YOU LOSE.");
                            _Wallet -= bet;
                        }
                        if (_Wallet < 1)
                        {
                            Console.WriteLine("SORRY FRIEND, YOU ARE BROKE.");
                            _GameOver = true;
                        }
                    }
                    else
                        _GameOver = true;
                }
                Console.WriteLine("*** GAME OVER ***");
                _Running = AskToPlayAgain();
            }
            Console.WriteLine("OK, HOPE YOU HAD FUN.");
            Console.WriteLine("THANKS FOR PLAYING!");
        }
        static void Main(string[] args)
        {
            Program P = new Program();
            P.Run();
            Console.ReadLine();
        }
    }
}