/*
CardDeck ClassName:		 CardDeck.java
Purpose:	 Impements a basic 52 card deck class
Date:		 10/11/2000
Written By:	 Jason Hertzog & Mike Dise
Written For: Dr. R. Webster
*/
import java.util.*;

public class CardDeck
{
	private Vector deck = null;
	
	public CardDeck()
	{
	}
	
	public String toString ()
	{
		String strDeck = "";
		Card c;
		for (int i = 0; i < deck.size(); i++)
		{	
			c = (Card)deck.elementAt(i);
			strDeck = strDeck.concat(c.getSuit() + Integer.toString(c.getRank()) + ",");
		}
		if (strDeck.length() > 0) 
		{
			strDeck = strDeck.substring(0,strDeck.length()-1);
		}
		return strDeck;
	}
	
	public int getDeckSize() {
		return deck.size();
	}
	
	public Card dealRandomCard() 
	{
		Card t = null;
		int nextCard;
		
		if (deck.size() > 0) {
			Random rand = new Random();
			Calendar cal = new GregorianCalendar(); 

			rand.setSeed(cal.get(Calendar.MILLISECOND));
			nextCard = Math.abs(rand.nextInt()%(deck.size()-1));	
		
			t = (Card)deck.elementAt(nextCard);
			deck.removeElementAt(nextCard);
			return t;
		} else {
			return null;
		}
		
	}
		
	public Card dealTopCard() 
	{
		Card t = null;
		if (deck.size() > 0) {
			t = (Card)deck.firstElement();
			deck.removeElementAt(0);
			return t;
		} else {
			return null;
		}
	}

	public void newShuffledDeck()
	{
		int nextCard = 0;
		Random rand = new Random();
		Calendar cal = new GregorianCalendar(); 

		this.genSortedDeck();		
		Vector temp = (Vector)deck.clone();
		deck.removeAllElements();
		rand.setSeed(cal.get(Calendar.MILLISECOND));
		for (int i = 52; i > 0; i--)
		{
			nextCard = Math.abs(rand.nextInt()%i);
			deck.addElement(temp.elementAt(nextCard));
			temp.removeElementAt(nextCard);
		}
	}
	
	public void newSortedDeck()
	{
		this.genSortedDeck();
	}
	
	private void genSortedDeck()
	{
		String Suits = new String("HCDS");
		
		if (deck != null) {
			deck.removeAllElements();
		} else {
			deck = new Vector(52,1);
		}
			
		for (int i = 0; i < 4; i++)
		{
			for (int j = 0; j < 13; j++)
			{
				deck.addElement(new Card(Suits.charAt(i),j));
			}
		}
	}
}