import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;
import java.util.Random;
import javax.swing.*;

public class BlackJack {
    private class Card {
        String value;
        String type;

        Card(String value, String type) {
            this.value = value;
            this.type = type;
        }

        public String toString() {
            return value + "-" + type;
        }

        public int getValue() {
            if ("AJQK".contains(value)) { // A J Q K
                if (value == "A") {
                    return 11;
                }
                return 10;
            }
            return Integer.parseInt(value); // 2-10
        }

        public boolean isAce() {
            return value == "A";
        }
    }

    ArrayList<Card> deck;
    Random random = new Random(); // shuffle deck

    // dealer
    Card hiddenCard;
    ArrayList<Card> dealerHand;
    int dealerSum;
    int dealerAceCount;

    BlackJack() {
        startGame();
    }

    public void startGame() {
        // deck
        buildDeck();
        shuffleDeck();

        // dealer
        dealerHand = new ArrayList<Card>();
        dealerSum = 0;
        dealerAceCount = 0;

        hiddenCard = deck.remove(deck.size()-1); // remove card at last index
        dealerSum += hiddenCard.getValue();
        dealerAceCount += hiddenCard.isAce() ? 1 : 0;

        Card card = deck.remove(deck.size()-1);
        dealerSum += card.getValue();
        dealerAceCount += card.isAce() ? 1: 0;
        dealerHand.add(card);

        System.out.println("Dealer:");
        System.out.println(hiddenCard);
        System.out.println(dealerHand);
        System.out.println(dealerSum);
        System.out.println(dealerAceCount);
    }

    public void buildDeck() {
        deck = new ArrayList<Card>();
        String[] values = {"A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"};
        String[] types = {"C", "D", "H", "S"};

        for (int i = 0; i < types.length; i++) {
            for (int j = 0; j < values.length; j++) {
                Card card = new Card(values[j], types[i]);
                deck.add(card);
            }
        }


        System.out.println("BUILD DECK:");
        System.out.println(deck);
    }

    public void shuffleDeck() {
        for (int i = 0; i < deck.size(); i++) {
            int j = random.nextInt(deck.size());
            Card currCard = deck.get(i);
            Card randomCard = deck.get(j);
            deck.set(i, randomCard);
            deck.set(j, currCard);
        }

        System.out.println("AFTER SHUFFLE");
        System.out.println(deck);
    }
}