MyMathQuiz_UI/src/main/java/com/student/mathquiz/view/LoginViewController.java

package com.student.mathquiz.view;

import com.student.mathquiz.MainApp;
import com.student.mathquiz.service.IUserService;
import javafx.fxml.FXML;
import javafx.scene.control.Label;
import javafx.scene.control.PasswordField;
import javafx.scene.control.TextField;

public class LoginViewController {
  @FXML private TextField emailField;
  @FXML private PasswordField passwordField;
  @FXML private Label statusLabel;

  private MainApp mainApp;
  private IUserService userService;

  public void setMainApp(MainApp mainApp) {
    this.mainApp = mainApp;
    this.userService = mainApp.getUserService();
  }

  // 在 LoginViewController.java 中
  @FXML
  private void handleLogin() {
    String identifier = emailField.getText(); // 我们把变量名改得更准确
    String password = passwordField.getText();

    // ★★★ 调用新的 login 方法，它会返回一个 User 对象 ★★★
    com.student.mathquiz.model.User loggedInUser = userService.login(identifier, password);

    if (loggedInUser != null) { // 如果返回的不是 null，说明登录成功
      // ★★★ 把完整的 User 对象传给 MainApp ★★★
      mainApp.handleLoginSuccess(loggedInUser);
    } else {
      statusLabel.setText("用户名/邮箱或密码错误！");
    }
  }


  @FXML
  private void handleGoToRegister() {
    mainApp.showRegisterView();
  }
}