// TAdminPanel.java
package com.WR.StudentMS.view;

import javax.swing.*;

import com.WR.StudentMS.dao.mysql.TAdmindaoimplzh;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class TAdminPanel extends JPanel {
    private JTextField txtUserName;
    private JPasswordField txtOldPassword;
    private JPasswordField txtNewPassword;
    private JButton btnModify;
    private JButton btnReset;
    
    private TAdmindaoimplzh adminDao; // 数据访问对象


    public TAdminPanel() {
        adminDao = new TAdmindaoimplzh(); // 初始化数据访问对象

        // 设置面板布局
        setLayout(new GridLayout(4, 2, 5, 5));
        setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));

        // 初始化组件
        txtUserName = new JTextField(20);
        txtOldPassword = new JPasswordField(20);
        txtNewPassword = new JPasswordField(20);
        btnModify = new JButton("修改");
        btnReset = new JButton("重置");

        // 添加组件到面板
        add(new JLabel("用户名："));
        add(txtUserName);
        add(new JLabel("原密码："));
        add(txtOldPassword);
        add(new JLabel("新密码："));
        add(txtNewPassword);
        add(btnModify);
        add(btnReset);

        // 为按钮添加事件监听器
        btnModify.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                modifyPassword();
            }
        });

        btnReset.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                resetForm();
            }
        });
    }

    private void modifyPassword() {
        String userName = txtUserName.getText();
        String oldPassword = new String(txtOldPassword.getPassword());
        String newPassword = new String(txtNewPassword.getPassword());

        if (adminDao.verifyCredentials(userName, oldPassword)) {
            // 如果凭证验证成功，调用 changePassword 方法更新密码
            int result = adminDao.changePassword(userName, newPassword);
            if (result > 0) {
                JOptionPane.showMessageDialog(null, "密码修改成功！");
                resetForm(); // 清空表单
            } else {
                JOptionPane.showMessageDialog(null, "密码更新失败，请重试。");
            }
        } else {
            // 如果凭证验证失败，显示错误信息并清空原密码输入框
            showError("用户名或原密码错误！");
            txtOldPassword.setText(""); // 清空原密码
        }
    }
    private void resetForm() {
        txtUserName.setText("");
        txtOldPassword.setText("");
        txtNewPassword.setText("");
    }



    private void showError(String message) {
        // 显示错误信息的方法，可能需要更新UI来显示红色提醒
        JOptionPane.showMessageDialog(null, message);
    }
}