BlackJackGameAutomator.java

package Q7_01_Deck_of_Cards;

import java.util.ArrayList;

public class BlackJackGameAutomator {
	private Deck<BlackJackCard> deck;
	private BlackJackHand[] hands;
	private static final int HIT_UNTIL = 16;
	
	public BlackJackGameAutomator(int numPlayers) {
		hands = new BlackJackHand[numPlayers];
		for (int i = 0; i < numPlayers; i++) {
			hands[i] = new BlackJackHand();
		}
	}
	
	public boolean dealInitial() {
		for (BlackJackHand hand : hands) {
			BlackJackCard card1 = deck.dealCard();
			BlackJackCard card2 = deck.dealCard();
			if (card1 == null || card2 == null) {
				return false;
			}
			hand.addCard(card1);
			hand.addCard(card2);	
		}
		return true;
	}
	
	public ArrayList<Integer> getBlackJacks() {
		ArrayList<Integer> winners = new ArrayList<Integer>();
		for (int i = 0; i < hands.length; i++) {
			if (hands[i].isBlackJack()) {
				winners.add(i);
			}
		}
		return winners;
	}
	
	public boolean playHand(int i) {
		BlackJackHand hand = hands[i];
		return playHand(hand);
	}
	
	public boolean playHand(BlackJackHand hand) {
		while (hand.score() < HIT_UNTIL) {
			BlackJackCard card = deck.dealCard();
			if (card == null) {
				return false;
			}
			hand.addCard(card);
		}
		return true;
	}	
	
	public boolean playAllHands() {
		for (BlackJackHand hand : hands) {
			if (!playHand(hand)) {
				return false;
			}
		}
		return true;
	}
	
	public ArrayList<Integer> getWinners() {
		ArrayList<Integer> winners = new ArrayList<Integer>();
		int winningScore = 0;
		for (int i = 0; i < hands.length; i++) {
			BlackJackHand hand = hands[i];
			if (!hand.busted()) {
				if (hand.score() > winningScore) {
					winningScore = hand.score();
					winners.clear();
					winners.add(i);
				} else if (hand.score() == winningScore) {
					winners.add(i);
				}
			}
		}
		return winners;
	}
	
	public void initializeDeck() {
		ArrayList<BlackJackCard> cards = new ArrayList<BlackJackCard>();
		for (int i = 1; i <= 13; i++) {
			for (int j = 0; j <= 3; j++) {
				Suit suit = Suit.getSuitFromValue(j);
				BlackJackCard card = new BlackJackCard(i, suit);
				cards.add(card);
			}
		}
		
		deck = new Deck<BlackJackCard>();
		deck.setDeckOfCards(cards);
		deck.shuffle();	
	}
	
	public void printHandsAndScore() {
		for (int i = 0; i < hands.length; i++) {
			System.out.print("Hand " + i + " (" + hands[i].score() + "): ");
			hands[i].print();
			System.out.println("");
		}
	}
}