GUI.java

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;

public class GUI {
    private JFrame frame;
    private Game game;
    private JTextArea gameArea;
    private JTextField inputField;
    private JButton playButton;
    private JButton saveButton;
    private JButton loadButton;
    private JLabel statusLabel;
    private int currentPlayerIndex;

    public GUI(int numPlayers) {
        game = new Game(numPlayers);
        frame = new JFrame("Crazy 8s");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(600, 400);

        gameArea = new JTextArea();
        gameArea.setEditable(false);
        JScrollPane scrollPane = new JScrollPane(gameArea);

        inputField = new JTextField(10);
        playButton = new JButton("Play");
        playButton.addActionListener(new PlayButtonListener());

        saveButton = new JButton("Save Game");
        saveButton.addActionListener(new SaveButtonListener());

        loadButton = new JButton("Load Game");
        loadButton.addActionListener(new LoadButtonListener());

        statusLabel = new JLabel("Player 1's turn");

        JPanel panel = new JPanel();
        panel.add(new JLabel("Enter card to play (e.g., '5 of Hearts'): "));
        panel.add(inputField);
        panel.add(playButton);
        panel.add(saveButton);
        panel.add(loadButton);

        frame.getContentPane().add(BorderLayout.NORTH, statusLabel);
        frame.getContentPane().add(BorderLayout.CENTER, scrollPane);
        frame.getContentPane().add(BorderLayout.SOUTH, panel);
        frame.setVisible(true);

        currentPlayerIndex = 0; // Start with Player 1
        updateGameArea();
    }

    private void updateGameArea() {
        gameArea.setText("");
        gameArea.append("Top card: " + game.getTopCard().toUnicode() + "\n\n");
        for (int i = 0; i < game.getPlayers().size(); i++) {
            Player player = game.getPlayer(i);
            gameArea.append(player.getName() + "'s hand: ");
            for (Card card : player.getHand()) {
                gameArea.append(card.toUnicode() + " ");
            }
            gameArea.append("\n");
        }
    }

    private class PlayButtonListener implements ActionListener {
        @Override
        public void actionPerformed(ActionEvent e) {
            String input = inputField.getText().trim();
            String[] parts = input.split(" of ");
            if (parts.length == 2) {
                String rank = parts[0].trim();
                String suit = parts[1].trim();
                Card card = new Card(suit, rank);
                Player currentPlayer = game.getPlayer(currentPlayerIndex);

                if (game.isValidMove(card)) {
                    game.playTurn(currentPlayer, card);
                    currentPlayerIndex = (currentPlayerIndex + 1) % game.getPlayers().size();
                    game.setCurrentPlayerIndex(currentPlayerIndex);
                    statusLabel.setText("Player " + (currentPlayerIndex + 1) + "'s turn");
                    updateGameArea();
                    if (currentPlayer.hasWon()) {
                        JOptionPane.showMessageDialog(frame, currentPlayer.getName() + " has won the game!");
                        playButton.setEnabled(false);
                    }
                } else {
                    JOptionPane.showMessageDialog(frame, "Invalid move. Please try again.");
                }
                inputField.setText("");
            } else {
                JOptionPane.showMessageDialog(frame,
                        "Invalid input. Please enter a card in the format 'Rank of Suit'.");
            }
        }
    }

    private class SaveButtonListener implements ActionListener {
        @Override
        public void actionPerformed(ActionEvent e) {
            String filePath = JOptionPane.showInputDialog(frame,
                    "Enter file path to save the game (e.g., G:/VS code/CODE/Java/projects/savegame.dat):");
            if (filePath != null && !filePath.trim().isEmpty()) {
                filePath = filePath.trim();
                try {
                    game.saveGame(filePath);
                    JOptionPane.showMessageDialog(frame, "Game saved successfully.");
                } catch (IOException ex) {
                    JOptionPane.showMessageDialog(frame, "Failed to save game: " + ex.getMessage());
                }
            } else {
                JOptionPane.showMessageDialog(frame, "Invalid file path. Please try again.");
            }
        }
    }

    private class LoadButtonListener implements ActionListener {
        @Override
        public void actionPerformed(ActionEvent e) {
            String filePath = JOptionPane.showInputDialog(frame, "Enter file path to load the game:");
            if (filePath != null && !filePath.trim().isEmpty()) {
                try {
                    Game loadedGame = Game.loadGame(filePath.trim());
                    game = loadedGame;
                    currentPlayerIndex = game.getCurrentPlayerIndex();
                    statusLabel.setText("Player " + (currentPlayerIndex + 1) + "'s turn");
                    updateGameArea();
                    JOptionPane.showMessageDialog(frame, "Game loaded successfully.");
                } catch (IOException | ClassNotFoundException ex) {
                    JOptionPane.showMessageDialog(frame, "Failed to load game: " + ex.getMessage());
                }
            } else {
                JOptionPane.showMessageDialog(frame, "Invalid file path. Please try again.");
            }
        }
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> new GUI(2));
    }
}