import java.util.ArrayList;
import java.util.Random;

public class Deck {
    private ArrayList<Card> cards;

    public Deck(boolean empty) {
        cards = new ArrayList<>();

        if (!empty) {
            // for each suit
            for (Suit s : Suit.values()) {
                for (int rank = 2; rank <= 14; rank++) {
                    cards.add(new Card(s, rank));
                }
            }
        }
    }

    public void print() {
        for (int i = 0; i < cards.size(); i++) {
            System.out.println((i + 1) + ". " + cards.get(i));
        }
    }

    public int getSize() {
        return cards.size();
    }

    public void add(Card c) {
        cards.add(c);
    }

    // get & remove a card by index
    public Card take(int index) {
        return cards.remove(index);
    }

    // just view a card
    public Card get(int index) {
        return cards.get(index);
    }

    // return & remove the top card
    public Card deal() {
        return cards.remove(cards.size() - 1);

    }

    public void shuffle() {
        ArrayList<Card> newCards = new ArrayList<>();
        Random rng = new Random();

        while (cards.size() > 0) {
            int index = rng.nextInt(cards.size());
            Card c = cards.get(index);
            newCards.add(c);
            cards.remove(index);
        }

        cards = newCards;
    }
}