using System;
using System.Collections.Generic;
using System.Text;

namespace Blackjack
{
    class Program
    {
        static void Main(string[] args)
        {
            Card fiveC = new Card("5", "Clubs"); //New instance from a new constructor            
            fiveC.display();
            Card twoH = new Card("2", "Hearts");
            twoH.display();
            Card aceD = new Card("Ace", "Diamonds");
            aceD.display();
        }
    }
    class Card
    {
        private string name;
        private int value;   //Instance variable of the card class
        private string suit; //Instance variable of the card class

        public Card(string name, string suit)
        {
            this.name = name;
            this.suit = suit;
            if(name.Equals("Ace"))
            {
                value=11;
            }
            else if (name.Equals("King") || name.Equals("Queen") || name.Equals("Jack"))
            {
                value = 10;
            }
            else
            {
                value = Convert.ToInt16(name);
            }
        }
        public void display()
        {
            Console.WriteLine(name + " of " + suit);
        }
        public string getName()
        {
            return name;
        }
        public int getValue()
        {
            return value;
        }
        public string getSuit()
        {
            return suit;
        }
    }
    class Deck
    {
        private Card[] cards = new Card[52];
        private int top = 0;

        public Deck()
        {
            string[] suits = ("Hearts,Diamonds,Spades,Clubs").Split(",");
            string[] names = ("1,2,3,4,5,6,7,8,9,10,Jack,Queen,King,Ace").Split(",");
            int pos = 0;
            for (int i = 0; i < names.Length(); i++)
            {
                for (int j = 0; j < suits.Length(); j++)
                {
                    cards[pos] = new Card(names[i], suits[j]);
                    pos++;
                }
            }
        }
        private void Swap()
        {
            Random r = new Random();
            int pos1 = r.Next(0, 52);
            int pos2 = r.Next(0, 52);
            Card temp = cards[pos1];
            cards[pos1] = cards[pos2];
            cards[pos2] = temp;
        }
        public void shuffle()
        {
            for (int i = 0; i < 500; i++)
            {
                this.Swap();
            }
            top = 0;
        }
        public Card getCard()
        {
            if (top==52)
            {
                this.shuffle();
            }
            top++;
            return cards[top - 1];   
        }
    }
    class Hand
    {
        private Card[] cards = new Card[21];
        private int cnt = 0;

        //Constructor Created for us because we need nothing
        public void addCard(Card c)
        {
            cards[cnt%cards.Length] = c;
            cnt++;
        }
        public int[] getValues()
        {
            int sum = 0;
            int numAces = 0;
            for (int i = 0; i < cnt; i++)
            {
                if (cards[i].getValue() = 11)
                {
                    numAces++;
                }
                else
                {
                    sum += cards[i].getValue();
                }
            }
            int[] vals = new int[numAces + 1];
            for (int i = 0; i < vals.Length; i++)
            {
                vals[i] = sum + (numAces + (i * 10));
            }
            return vals;
        }
        public void display()
        {
            for (int i = 0; i < cnt; i++)
            {
                cards[i].display();
            }
        }
    }
    class Player
    {
        private Hand h = new Hand();
        private String name;
        public Player(String name)
        {
            this.name.Equals(name);
        }
        protected void addCard(Card c)

        {
            h.addCard(c);
        }
        protected void display()
        {
            h.display();
        }
        protected void reset()
        {
            h = new Hand();
        }
        protected int getValue()
        {
            int[] vals = h.getValues();
            Array.Sort(vals);
            int max = vals[0];
            for (int i = 0; i < vals.Length; i++)
            {
                if (vals[i] <= 21)
                {
                    max = vals[i];
                }
            }
            return max;
        }
        protected String getName()
        {
            return name;
        }
    }
    class Dealer : Player
    {
        Player[] players = new Player[1];
        Deck d = new Deck();
        public Dealer(String name)
        {
            super(name);
            players[0] = this;
        }
        public void addPlayer(Player p)
        {
            Player[] temp = new Player[players.Length + 1];
            for (int i = 0; i < players.Length; i++)
            {
                temp[i] = players[i];
            }
            players = temp;
        }
        public void shuffle()
        {
            d.shuffle();
        }
        public void deal()
        {
            this.shuffle();
            for (int i = 0; i < 2; i++)
            {
                for (int j = 0; j < players.Length; j++)
                {
                    players[j].addCard(d.getCard());
                }
            }
        }
        public void reset()
        {
            for (int i = 0; i < players.Length; i++)
            {
                players[i].reset();
            }
        }
        public Player determineWinner()
        {
            //Do this for an assignment
        }
    }
}