using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}

​

/// A deck of cards is generic.

/// You can have cards for blackjack, poker, etc.

public class Deck<T> where T : Card{

​

    private IList<Card> _cards;

    private int _index;

    public Deck(IList<Card> cards) : base(){

        _cards = new List<Card>(cards); 

    }   

    public void Shuffle(){

        // TODO shuffle cards

        // if you use Random, don't instanciate it locally, but globally (singleton?)

    }

    public Card PickCard(){

        if(_index >= _cards.Count){

            return null;

        }

        var card = _cards[_index];

        _index++;

        return card;

    }

    public int GetRemainingCardsCount(){

        return _cards.Count - _index;

    }

}

​

​

/// The card itself doesn't have any score by default.

// The score is defined by the game.

// Usually it will be the Number.

public abstract class Card{

    public int Number {get; set;}

    public Suit Suit {get; set;}

    public bool IsVailable {get; set;}

    public abstract int Score();

}

​

public class Game{

    public string Name {get; set;}

    public List<Card> Cards {get; set;}

}

​

​

public class Blackjack : Game{

    private Dealer _dealer;

    public void StartGame(){

    }

​

    public void ShuffleCards(){

    }

}

​

​

public class Player{

    public string Name {get; set;}

    public List<Card> Hand {get; set;}

}

​

​

​

public class Dealer{

​

​

}

​

public enum Suit{

​

    Hearts, 

    Spades, 

    Diamonds, 

    Clubs

}