// Banner: Deck class for managing a standard 52-card deck.
public class Deck {

    private Card[] cards;
    private int top; // Tracks the top of the deck

    public Deck() {
        cards = new Card[52];
        int index = 0;
        for (int suit = 1; suit <= 4; suit++) {
            for (int rank = 1; rank <= 13; rank++) {
                cards[index++] = new Card(suit, rank);
            }
        }
        top = 0;
    }

    public void shuffle() {
        List<Card> cardList = Arrays.asList(cards);
        Collections.shuffle(cardList);
        cards = cardList.toArray(new Card[0]);
    }

    public Card deal() {
        if (top < cards.length) {
            return cards[top++];
        }
        throw new IllegalStateException("No cards left in the deck!");
    }

    public void resetDeck() {
        top = 0;
        shuffle();
    }
}