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package game.poker;
import java.util.Collections;
import java.util.Random;
import java.util.Stack;

import game.poker.Card.Suit;

public class Deck
{

    private Stack<Card> cards;
    private Random rand;

    public Deck()
    {
        rand = new Random();
        init();
    }

    public Deck(Random givenGenerator)
    {
        rand = givenGenerator;
        init();
    }

    public Card pop()
    {
        return cards.pop();
    }

    /**
     * Initializes a new deck of 52 cards.
     */
    private void init()
    {
        cards = new Stack<>();
        int index = 0;
        for (int rank = 1; rank <= 13; ++rank)
        {
            cards.push(new Card(rank, Suit.CLUBS));
            cards.push(new Card(rank, Suit.DIAMONDS));
            cards.push(new Card(rank, Suit.HEARTS));
            cards.push(new Card(rank, Suit.SPADES));
        }

        // Todo : Improve Shuffle Rule...
        Collections.shuffle(cards);
    }
}