Dealer.java

package blackjack.domain.person;

import blackjack.domain.card.Card;
import blackjack.domain.card.CardDeck;
import blackjack.domain.card.Denomination;
import java.util.ArrayList;
import java.util.List;

public class Dealer extends Person {

    private static final int FIRST_INDEX = 0;
    private static final int INITIAL_PICK_NUMBER = 2;
    private static final int DEALER_MAXIMUM_SUM = 16;

    private final CardDeck cardDeck = new CardDeck();

    public Dealer() {
        this.cards.addAll(getInitialPickedCards());
    }

    public List<Card> getInitialPickedCards() {
        List<Card> cards = new ArrayList<>();
        for (int i = 0; i < INITIAL_PICK_NUMBER; i++) {
            cards.add(cardDeck.pickOneCard());
        }
        return cards;
    }

    public Card getPickedCard() {
        return cardDeck.pickOneCard();
    }

    public Card getOpenedCard() {
        return cards.get(FIRST_INDEX);
    }

    public int getSumOfCards() {
        return cards.stream()
            .mapToInt(card -> card.getDenomination().getValue())
            .sum();
    }

    @Override
    public void addCard(Card card) {
        cards.add(card);
        if (card.getDenomination().equals(Denomination.ACE) && sum < 10) {
            sum += 11;
            return;
        }
        sum += card.getDenomination().getValue();
    }

    public boolean canGetCard() {
        return sum <= DEALER_MAXIMUM_SUM;
    }
}