/*
 * Deck.java
 */

package boondock.holdem.Cards;

import java.util.*;

/**
 * Class that develops and manipulates a deck of cards.
 *
 * @author  Jonathan O'Keefe
 * @author  Scott Semonian
 * @author  Matt Brinza
 * @author  Hamid R. Tahsildoost
 *
 * @author	The Boondock Saints
 * @author No Limit Texas Holdem
 */
public class Deck{
	private List cards;
	private ListIterator deck;

	/**
	 * Sets up a new, shuffled Deck of Cards
	 */
	public Deck (){
		Card cardArray[] = new Card[52];
		for( int cnt=0; cnt < 52; cnt++ )
			cardArray[cnt] = new Card( cnt );
		cards = Arrays.asList( cardArray );
		Collections.shuffle( cards );
		deck = cards.listIterator();
	}

	/**
	 * Sets up a new, shuffled Deck of Cards
	 * @param numDecks The number of Decks in play
	 */
	public Deck (int numDecks){
		Card cardArray[] = new Card[52*numDecks];
		for( int cnt=0; cnt < 52*numDecks; cnt++ )
			cardArray[cnt] = new Card( cnt );
		cards = Arrays.asList( cardArray );
		Collections.shuffle( cards );
 		deck = cards.listIterator();
	}

	/**
	 * Deals the next Card
	 * @return Next card in Deck
	 */
	public Card nextCard (){
		return (Card)deck.next();
	}

	/**
	 * Shuffles the Deck
	 */
	public void shuffle(){
		Collections.shuffle( cards );
		deck = cards.listIterator();
	}

	/**
	 * Gets previous card from the deck (obsolete)
	 * @return Previous card in deck.
	 */
	public Card previousCard (){
		return (Card)deck.previous();
	}

}