PAIR/src/main/java/com/ui/RegisterPanel.java

package com.mathquiz.ui;

import com.mathquiz.util.EmailUtil;
import javafx.geometry.Insets;
import javafx.scene.control.*;
import javafx.scene.layout.VBox;

/**
 * 注册面板
 */
public class RegisterPanel extends VBox {

    private final TextField emailField = new TextField();
    private final TextField codeField = new TextField();
    private final PasswordField pwd1Field = new PasswordField();
    private final PasswordField pwd2Field = new PasswordField();

    public RegisterPanel(MainWindow mainWindow) {
        setPadding(new Insets(20));
        setSpacing(10);

        getChildren().addAll(
                new Label("注册"),
                new Label("邮箱:"),
                emailField,
                new Button("发送注册码") {{
                    setOnAction(e -> sendCodeAction(mainWindow));
                }},
                new Label("注册码:"),
                codeField,
                new Label("密码（6-10位，含大小写+数字）:"),
                pwd1Field,
                new Label("确认密码:"),
                pwd2Field,
                new Button("完成注册") {{
                    setOnAction(e -> registerAction(mainWindow));
                }},
                new Hyperlink("已有账号？去登录") {{
                    setOnAction(e -> mainWindow.showLoginPanel());
                }}
        );
    }

    private void sendCodeAction(MainWindow mainWindow) {
        String email = emailField.getText().trim();
        if (email.isEmpty() || !EmailUtil.isValidEmail(email)) {
            showAlert("请输入有效的邮箱地址");
            return;
        }
        // 调用服务层
        boolean sent = mainWindow.getUserService().sendRegistrationCode(email);
        if (sent) {
            showAlert("注册码已发送（模拟）");
        }
    }

    private void registerAction(MainWindow mainWindow) {
        String email = emailField.getText().trim();
        String code = codeField.getText().trim();
        String pwd1 = pwd1Field.getText();
        String pwd2 = pwd2Field.getText();

        if (!mainWindow.getUserService().verifyCode(email, code)) {
            showAlert("注册码错误");
            return;
        }

        boolean success = mainWindow.getUserService().setPassword(email, pwd1, pwd2);
        if (success) {
            showAlert("注册成功！");
            mainWindow.showGradeSelectPanel();
        } else {
            showAlert("密码不符合要求（6-10位，含大小写字母和数字）");
        }
    }

    private void showAlert(String message) {
        new Alert(Alert.AlertType.INFORMATION, message).showAndWait();
    }
}