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

public class BJ extends JFrame {

 private GridBagLayout layout = new GridBagLayout();
 private GridBagConstraints gbc = new GridBagConstraints();
 private Random random = new Random();

 private JLabel cards = new JLabel();

 private JButton hit;
 private JButton stay;
 private JButton dealCards;
 private JButton increaseBet;
 private JButton decreaseBet;

 private JPanel topPanel = new JPanel();
 private JPanel playerCards = new JPanel();
 private JPanel dealerCards = new JPanel();
 private JPanel allCards = new JPanel();
 private JPanel leftPanel = new JPanel();
 private JPanel buttons;

 private JTextField playerTotal;
 private JTextField dealerTotal;
 private JTextField result;
 private JTextField bet;

 private String deck[] = new String[52];
 private String faces[] = {"two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "jack", "queen", "king", "ace"};
 private String suits[] = {"spades", "hearts", "diamonds", "clubs"};
 private int currentCard = 0;

 private boolean gameInProgress = false;

 private int xPosDealer = 0;
 private int xPosPlayer = 0;
 private int currentPlayerTotal = 0;
 private int currentDealerTotal = 0;
 private int betAmount = 0;

 private String playerCardsInHand;
 private String dealerCardsInHand;

 enum Status {WON, LOST, CONTINUE};
 private Status gameStatus;

 public BJ() {

  super("BlackJack");
  setLayout(new BorderLayout());
  hit = new JButton("HIT");

  hit.addActionListener ( new ActionListener() {

   public void actionPerformed (ActionEvent e) {

    if (e.getSource() == hit && gameInProgress == true) {

     displayPlayerCard();

    }
   }
  }
 );

  stay = new JButton("STAY");

  stay.addActionListener(

   new ActionListener() {

    public void actionPerformed (ActionEvent e) {

     if (e.getSource() == stay && gameStatus != Status.LOST) {
      while (currentDealerTotal < 17)
       displayDealerCard();
     }
     gameResult();

    }
   }
  );

  dealCards = new JButton("DEAL CARDS");
  dealCards.addActionListener (new ActionListener() {
   public void actionPerformed (ActionEvent e) {

    if (e.getSource() == dealCards && gameInProgress == false) {
     clearTable();
     startGame();
     checkStatus();
    }

   }

   });

  increaseBet = new JButton("INCREASE BET");
  decreaseBet = new JButton("DECREASE BET");

  increaseBet.addActionListener (new ActionListener() {

   public void actionPerformed (ActionEvent e) {

    if (e.getSource() == increaseBet && gameInProgress == false) {

     betAmount += 5;
     bet.setText(Integer.toString(betAmount));

    }

   }

  });

  playerTotal = new JTextField(10);
  dealerTotal = new JTextField(10);
  result = new JTextField(10);

  playerTotal.setEditable(false);
  dealerTotal.setEditable(false);
  result.setEditable(false);


  buttons = new JPanel();
  buttons.add(hit);
  buttons.add(stay);
  add(buttons, BorderLayout.SOUTH);

  topPanel.add(dealCards);
  topPanel.add(playerTotal);
  topPanel.add(dealerTotal);
  topPanel.add(result);
  add(topPanel, BorderLayout.NORTH);

  playerCards.setLayout(new GridLayout());
  dealerCards.setLayout(new GridLayout());

  fillDeck(deck);
  shuffleCards();

 }

 public void dealerTotal (String cards) {

 for (int i=0; i<faces.length; i++) {

   if (cards.equals(faces[i]) && i <=8)
    currentDealerTotal += i + 2;

   else if (cards.equals(faces[i]) && i == 12) {

    if ( (currentPlayerTotal += 11) > 21)
     currentPlayerTotal += 1;

    if ( (currentPlayerTotal += 11) == 21)
     currentPlayerTotal += 11;

   }

   else
    currentDealerTotal += 10;

  }

  dealerTotal.setText(Integer.toString(currentDealerTotal));
  dealerCardsInHand = "";

  if (currentDealerTotal > 21) {

   gameStatus = Status.WON;
   gameResult();

  }

 }

 public void playerTotal (String cards) {

  for (int i=0; i<faces.length; i++) {

   if (cards.equals(faces[i]) && i <=8)
    currentPlayerTotal += i + 2;

   else if (cards.equals(faces[i]) && i == 12) {

    if ( (currentPlayerTotal += 11) > 21)
     currentPlayerTotal += 1;

    else if ( (currentPlayerTotal += 11) == 21)
     currentPlayerTotal += 11;
   }

   else
    currentPlayerTotal += 10;

  }

  playerTotal.setText(Integer.toString(currentPlayerTotal));
  playerCardsInHand = "";

  checkStatus();

 }

 public void checkStatus () {

  if (currentPlayerTotal > 21) {

   gameStatus = Status.LOST;
   gameResult();

  }

  else if (currentPlayerTotal == 21) {

    while (currentDealerTotal < 17)
       displayDealerCard();

    gameResult();

  }

  else if (currentDealerTotal >= 17 && currentPlayerTotal > currentDealerTotal) {

   gameStatus = Status.WON;
   gameResult();

  }

 }

 public void startGame() {

  currentPlayerTotal = 0;
  currentDealerTotal = 0;
  displayPlayerCard();
  displayPlayerCard();
  displayDealerCard();
  displayDealerCard();
  gameInProgress = true;
  gameStatus = Status.CONTINUE;
  xPosPlayer = 3;
  xPosDealer = 3;

  if (currentCard > 40) {
   currentCard = 0;
   shuffleCards();
  }

 }

 public void gameResult() {

  if (gameStatus == Status.WON)
   result.setText("You Win!");

  else if (gameStatus == Status.LOST)
   result.setText("You Lost!");

  else if (currentDealerTotal > currentPlayerTotal)
   result.setText("You Lost!");

  else if (currentDealerTotal == currentPlayerTotal)
   result.setText("Push");

  else
   result.setText("You Win!");

  gameInProgress = false;

 }

 public void clearTable() {

 playerCards.removeAll();
 playerCards.revalidate();
 playerCards.repaint();
 dealerCards.removeAll();
 dealerCards.revalidate();
 dealerCards.repaint();
 result.setText("");
 playerCardsInHand = "";
 dealerCardsInHand = "";

 }

 public void shuffleCards() {

 for (int i=0; i<deck.length; i++) {

  int num = random.nextInt(52);
  String temp = deck[i];
  deck[i] = deck[num];
  deck[num] = temp;

 }

 }

 public void displayPlayerCard() {

  String cardName[] = deck[currentCard].split(" ");
  playerCardsInHand = cardName[0];

  String cardFile = cardName[0] + "of" + cardName[1] + ".jpg";
  Icon card = new ImageIcon(getClass().getResource(cardFile));
  playerCards.add(new JLabel(card));
  playerCards.revalidate();
  playerCards.repaint();
  add(playerCards, BorderLayout.WEST);
  currentCard++;
  playerTotal(playerCardsInHand);

 }

 public void displayDealerCard() {

  String cardName[] = deck[currentCard].split(" ");
  dealerCardsInHand = cardName[0];

  String cardFile = cardName[0] + "of" + cardName[1] + ".jpg";
  Icon card = new ImageIcon(getClass().getResource(cardFile));
  dealerCards.add(new JLabel(card));
  dealerCards.revalidate();
  dealerCards.repaint();
  add(dealerCards, BorderLayout.EAST);
  currentCard++;
  dealerTotal(dealerCardsInHand);

 }

 public void fillDeck (String[] array) {

  for (int i= 0; i<array.length; i++) {

   array[i] = faces[i % 13] + " " + suits[i/13];

  }

 }

 public static void main (String[] args) {

  BJ bj = new BJ();
  bj.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  bj.setVisible(true);
  bj.setSize(750, 750);

 }

}