package cn.edu.caztc.sokobangame;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.HashMap;
import java.util.Map;

public class ThemeSwitcher {
    // 当前主题索引
    private static int currentTheme = 1;
    // 主题图片缓存
    private static Map<Integer, ImageIcon[]> themeIcons = new HashMap<>();

    // 主题名称
    private static final String[] THEME_NAMES = {
        "默认主题",
        "chiikawa主题",
        "MINECRAFT主题",
        "粉色气泡主题"
    };

    // 初始化主题图片
    static {
        loadThemeIcons();
    }

    // 加载所有主题的图片
    private static void loadThemeIcons() {
        for (int theme = 1; theme <= THEME_NAMES.length; theme++) {
            ImageIcon[] icons = new ImageIcon[7];
            String suffix = theme == 1 ? "" : "(" + (theme-1) + ")";
            
            // 修改图片路径为images文件夹
            icons[0] = new ImageIcon("images/墙" + suffix + ".png");
            icons[1] = new ImageIcon("images/地板" + suffix + ".png");
            icons[2] = new ImageIcon("images/空箱子" + suffix + ".png");
            icons[3] = new ImageIcon("images/箱子" + suffix + ".png");
            icons[4] = new ImageIcon("images/箱子点" + suffix + ".png");
            icons[5] = new ImageIcon("images/player" + suffix + ".png");
            icons[6] = new ImageIcon("images/player2" + suffix + ".png");
            
            themeIcons.put(theme, icons);
        }
    }

    // 创建切换主题菜单项
    public static JMenuItem createThemeMenuItem() {
        JMenuItem themeItem = new JMenuItem("切换主题");
        themeItem.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                showThemeDialog();
            }
        });
        return themeItem;
    }

    // 显示主题选择对话框
    private static void showThemeDialog() {
        JDialog dialog = new JDialog();
        dialog.setTitle("切换主题");
        dialog.setSize(600, 700);
        dialog.setLayout(new BorderLayout());
        dialog.setLocationRelativeTo(null);

        JPanel mainPanel = new JPanel(new GridLayout(THEME_NAMES.length, 1, 10, 10));
        mainPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));

        for (int i = 0; i < THEME_NAMES.length; i++) {
            JPanel themePanel = createThemePanel(i + 1, THEME_NAMES[i]);
            mainPanel.add(themePanel);
        }

        JScrollPane scrollPane = new JScrollPane(mainPanel);
        dialog.add(scrollPane, BorderLayout.CENTER);

        JButton closeButton = new JButton("关闭");
        closeButton.addActionListener(e -> dialog.dispose());
        JPanel buttonPanel = new JPanel();
        buttonPanel.add(closeButton);
        dialog.add(buttonPanel, BorderLayout.SOUTH);

        dialog.setVisible(true);
    }

    // 创建单个主题展示面板
    private static JPanel createThemePanel(int themeIndex, String themeName) {
        JPanel panel = new JPanel(new BorderLayout());
        panel.setBorder(BorderFactory.createTitledBorder(themeName));

        JLabel titleLabel = new JLabel(themeName, JLabel.CENTER);
        titleLabel.setFont(new Font("宋体", Font.BOLD, 16));
        panel.add(titleLabel, BorderLayout.NORTH);

        JPanel iconsPanel = new JPanel(new GridLayout(1, 7, 5, 5));
        ImageIcon[] icons = themeIcons.get(themeIndex);

        // 添加素材图片
        String[] iconNames = {"墙", "地板", "空箱子", "箱子", "箱子点", "玩家一", "玩家二"};
        for (int i = 0; i < 7; i++) {
            JPanel iconPanel = new JPanel(new BorderLayout());
            iconPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

            // 缩放图片以适应显示
            ImageIcon scaledIcon = scaleIcon(icons[i], 50, 50);
            JLabel iconLabel = new JLabel(scaledIcon);
            iconLabel.setHorizontalAlignment(JLabel.CENTER);
            iconPanel.add(iconLabel, BorderLayout.CENTER);

            JLabel nameLabel = new JLabel(iconNames[i], JLabel.CENTER);
            iconPanel.add(nameLabel, BorderLayout.SOUTH);

            iconsPanel.add(iconPanel);
        }

        JButton selectButton = new JButton("选择此主题");
        selectButton.addActionListener(e -> {
            setCurrentTheme(themeIndex);
            JOptionPane.showMessageDialog(null, "已切换至" + themeName, "提示", JOptionPane.INFORMATION_MESSAGE);
        });

        JPanel centerPanel = new JPanel(new BorderLayout());
        centerPanel.add(iconsPanel, BorderLayout.CENTER);
        centerPanel.add(selectButton, BorderLayout.SOUTH);
        panel.add(centerPanel, BorderLayout.CENTER);

        return panel;
    }

    // 缩放图标
    private static ImageIcon scaleIcon(ImageIcon icon, int width, int height) {
        if (icon == null) return null;
        Image image = icon.getImage();
        Image scaledImage = image.getScaledInstance(width, height, Image.SCALE_SMOOTH);
        return new ImageIcon(scaledImage);
    }

    // 设置当前主题
    public static void setCurrentTheme(int theme) {
        currentTheme = theme;
        updateGameTheme();
    }

    // 更新游戏主题
    private static void updateGameTheme() {
        ImageIcon[] currentIcons = themeIcons.get(currentTheme);
        
        // 更新游戏中的图标
        if (MainGame.getInstance() != null) {
            MainGame.getInstance().updateTheme(currentIcons);
        }
        if (DualGame.getInstance() != null) {
            DualGame.getInstance().updateTheme(currentIcons);
        }
    }

    // 获取当前主题的图标
    public static ImageIcon getThemeIcon(int index) {
        ImageIcon[] icons = themeIcons.get(currentTheme);
        if (icons != null && index >= 0 && index < icons.length) {
            return icons[index];
        }
        return null;
    }
    
    // 添加方法获取当前主题的所有图标
    public static ImageIcon[] getCurrentThemeIcons() {
        return themeIcons.get(currentTheme);
    }
}