package controller;

import javax.swing.JOptionPane;

import model.Create;
import model.Login;
import model.Paper;
import view.ExamFrame;

/**
 * 题目生成控制器：接收题数与用户信息，调用 Create 生成 Paper 并打开 ExamFrame
 */
public class FunctionController {

  private Login.Account user;

  public FunctionController(Login.Account user) {
    this.user = user;
  }

  public void startExam(int n) {
    if (n < 10 || n > 30) {
      JOptionPane.showMessageDialog(null, "题目数量的有效输入范围是 10-30");
      return;
    }
    Paper paper = Create.create(n, user.level, user);
    if (paper == null || paper.size() == 0) {
      JOptionPane.showMessageDialog(null, "未能生成题目（可能因去重约束导致）。");
      return;
    }
    JOptionPane.showMessageDialog(null, "已生成 " + paper.size() + " 道题，开始答题。");
    new ExamFrame(paper, user);
  }
}