package xitongshezhi;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.FlowLayout; // 添加这行导入
import java.awt.Font;
import java.awt.Frame;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.SwingConstants;
import javax.swing.border.EmptyBorder;

import home.CardMachineUI;

/**
 * 管理员登录对话框
 * 与主页面风格保持一致的不透明设计
 */
@SuppressWarnings("serial")
public class AdminLoginDialog extends JDialog {
    private JPasswordField passwordField;
    private boolean loginSuccess = false;
    
    public AdminLoginDialog(Frame parent) {
        super(parent, "", true);
        initializeUI();
    }
    
    private void initializeUI() {
        // 设置对话框属性
        setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
        setResizable(false);
        
        // 创建主面板 - 使用不透明背景
        JPanel mainPanel = new JPanel(new BorderLayout(10, 10));
        mainPanel.setBackground(new Color(15, 28, 48)); // 与主页面相同的深蓝色背景
        mainPanel.setBorder(new EmptyBorder(25, 30, 25, 30));
        mainPanel.setOpaque(true);

        // 创建标题区域
        JLabel titleLabel = new JLabel("管理员身份验证");
        titleLabel.setFont(new Font("Microsoft YaHei", Font.BOLD, 20));
        titleLabel.setForeground(new Color(52, 152, 219));
        titleLabel.setHorizontalAlignment(SwingConstants.CENTER);
        titleLabel.setBorder(new EmptyBorder(0, 0, 15, 0));

        // 创建输入区域面板
        JPanel inputPanel = new JPanel(new BorderLayout(10, 10));
        inputPanel.setBackground(new Color(15, 28, 48));
        inputPanel.setOpaque(true);
        inputPanel.setBorder(new EmptyBorder(10, 0, 10, 0));

        // 创建标签
        JLabel passwordLabel = new JLabel("请输入管理员密码:");
        passwordLabel.setFont(new Font("Microsoft YaHei", Font.PLAIN, 14));
        passwordLabel.setForeground(Color.WHITE);
        passwordLabel.setHorizontalAlignment(SwingConstants.LEFT);

        // 创建密码输入框 - 设置为不透明
        passwordField = new JPasswordField(18);
        passwordField.setFont(new Font("Microsoft YaHei", Font.PLAIN, 14));
        passwordField.setBackground(Color.WHITE); // 白色不透明背景
        passwordField.setForeground(Color.BLACK); // 黑色文字
        passwordField.setOpaque(true); // 确保不透明
        passwordField.setBorder(BorderFactory.createCompoundBorder(
                BorderFactory.createLineBorder(new Color(52, 152, 219), 2),
                BorderFactory.createEmptyBorder(8, 12, 8, 12)
        ));
        passwordField.setCaretColor(new Color(52, 152, 219));

        // 添加输入框焦点效果
        passwordField.addFocusListener(new java.awt.event.FocusAdapter() {
            public void focusGained(java.awt.event.FocusEvent evt) {
                passwordField.setBorder(BorderFactory.createCompoundBorder(
                        BorderFactory.createLineBorder(new Color(46, 204, 113), 2),
                        BorderFactory.createEmptyBorder(8, 12, 8, 12)
                ));
            }

            public void focusLost(java.awt.event.FocusEvent evt) {
                passwordField.setBorder(BorderFactory.createCompoundBorder(
                        BorderFactory.createLineBorder(new Color(52, 152, 219), 2),
                        BorderFactory.createEmptyBorder(8, 12, 8, 12)
                ));
            }
        });

        // 组装输入区域
        inputPanel.add(passwordLabel, BorderLayout.NORTH);
        inputPanel.add(passwordField, BorderLayout.CENTER);

        // 创建按钮面板
        JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 20, 0));
        buttonPanel.setBackground(new Color(15, 28, 48));
        buttonPanel.setOpaque(true);
        buttonPanel.setBorder(new EmptyBorder(15, 0, 0, 0));

        // 创建样式化按钮
        JButton confirmButton = createStyledButton("确认", new Color(46, 204, 113));
        JButton cancelButton = createStyledButton("取消", new Color(231, 76, 60));

        buttonPanel.add(confirmButton);
        buttonPanel.add(cancelButton);

        // 组装主面板
        mainPanel.add(titleLabel, BorderLayout.NORTH);
        mainPanel.add(inputPanel, BorderLayout.CENTER);
        mainPanel.add(buttonPanel, BorderLayout.SOUTH);

        // 设置对话框内容
        getContentPane().setBackground(new Color(15, 28, 48));
        getContentPane().add(mainPanel);
        pack();
        setLocationRelativeTo(getParent());
        
        // 按钮事件处理
        confirmButton.addActionListener(e -> handleLogin());
        cancelButton.addActionListener(e -> dispose());
        
        // 回车键确认
        passwordField.addActionListener(e -> handleLogin());
    }
    
    /**
     * 处理登录验证
     */
    private void handleLogin() {
        String password = new String(passwordField.getPassword());
        
        // 通过父窗口验证密码
        if (getParent() instanceof CardMachineUI) {
            CardMachineUI parentUI = (CardMachineUI) getParent();
            if (parentUI.validateAdminPassword(password)) {
                loginSuccess = true;
                dispose();
            } else {
                JOptionPane.showMessageDialog(this, 
                        "密码错误，请重新输入！", 
                        "验证失败", 
                        JOptionPane.WARNING_MESSAGE);
                passwordField.setText("");
                passwordField.requestFocus();
            }
        }
    }
    
    /**
     * 创建样式化按钮
     */
    private JButton createStyledButton(String text, Color color) {
        JButton button = new JButton(text);
        button.setFont(new Font("Microsoft YaHei", Font.BOLD, 14));
        button.setBackground(color);
        button.setForeground(Color.WHITE);
        button.setFocusPainted(false);
        button.setBorder(BorderFactory.createEmptyBorder(10, 20, 10, 20));
        button.setCursor(new Cursor(Cursor.HAND_CURSOR));

        // 鼠标悬停效果
        button.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseEntered(java.awt.event.MouseEvent evt) {
                button.setBackground(brighterColor(color));
            }

            public void mouseExited(java.awt.event.MouseEvent evt) {
                button.setBackground(color);
            }
        });

        return button;
    }
    
    private Color brighterColor(Color color) {
        int r = Math.min(255, color.getRed() + 30);
        int g = Math.min(255, color.getGreen() + 30);
        int b = Math.min(255, color.getBlue() + 30);
        return new Color(r, g, b);
    }
    
    /**
     * 显示对话框并返回登录结果
     */
    public boolean showDialog() {
        setVisible(true);
        return loginSuccess;
    }
    
    /**
     * 静态方法：显示管理员登录对话框
     */
    public static boolean showAdminLogin(Frame parent) {
        AdminLoginDialog dialog = new AdminLoginDialog(parent);
        return dialog.showDialog();
    }
}