class Cards implements BelotConstants
{
	Cards() 
	{
		currentPosition = 0;
		deck = new Card[CARDS_IN_DECK];

		int cardNumber = 0;
		int cardIndex = 0;

		for (int s = CLUBS; s <= SPADES; s++)
		{
			for (int r = EIGHT; r <= ACE; r++)
			{
				deck[cardNumber] = new Card 
					(s, r, VALUES[r], cardIndex);
 				cardIndex++;
				cardNumber++;
			}
			cardIndex = cardIndex + 3;   // skip when suit changes
		}
	}

	public void assignValues(int trump)
	{
		for (int i = 0; i < deck.length; i++)
			deck[i].updateValue(trump);
	}

	public Card getNextCard ()
	{
		Card temp = deck[currentPosition];
		currentPosition++;
		return temp;
	}

	public Card showNextCard ()
	{
		return deck[currentPosition];
	}

	public void shuffle()
	{
		Card card;
		int swapPosition;

		currentPosition = 0;  // interface

		for (int i = 0; i < deck.length; i++)
		{
			swapPosition = (int) (Math.random() * deck.length);
			card = deck[i];
			deck[i] = deck[swapPosition];
			deck[swapPosition] = card;
		}
	}

	public Card getCard (int position)   // interface
	{
		return deck[position];
	}

	private Card [] deck;
	private int currentPosition;
}