import java.security.SecureRandom;

public class Deck
{
    private Card deck [];
    private int currentCard;
    private static final int NUMBEROFCARDS = 52;

    private static final SecureRandom ranNum = new SecureRandom();

    public Deck()
    {
        String value [] = {"ace", "deuce", "three", "four", "five", "six", "seven", "eight", "nine", "ten",
        "jack", "queen", "king"};
        String color [] = {"hearts", "spades", "diamonds", "clubs"};

        deck = new Card[NUMBEROFCARDS];
        currentCard=0;

        for (int i =0 ; i <deck.length; i++)
        {
            deck [i]= new Card(value[i%13], color[i/13]);
        }
    }

    public void shuffleDeck()
    {
        currentCard=0;

        for (int first=0; first<deck.length;first++)
        {
            int second= ranNum.nextInt(NUMBEROFCARDS);
            Card temp = deck[first];
            deck[first]=deck[second];
            deck[second]=temp;
        }
    }

    public Card dealCard()
    {
        if(currentCard<deck.length)
            return deck[currentCard++];
        else
            return null;
    }
}