package com.ybw.mathapp.service;

import com.ybw.mathapp.entity.User;
import java.io.IOException;
import java.util.List;
import java.util.Scanner;

public class StartController {

  private double score;

  public double getScore() {
    return score;
  }

  public void setScore(double score) {
    this.score = score;
  }

  public void start() {
    Scanner scanner = new Scanner(System.in);
    while (true) {
      System.out.println("=== 数学学习软件 ===");
      System.out.println("1. 登录");
      System.out.println("2. 注册");
      System.out.print("请选择: ");

      String choice = scanner.nextLine();
      if ("1".equals(choice)) {
        if (login()) {
          showMainMenu(scanner);
        }
      } else if ("2".equals(choice)) {
        if (register()) {
          showMainMenu(scanner);
        }
      } else {
        System.out.println("无效选择，请重新输入！");
      }
    }
  }

  private boolean login() {
    System.out.println("\n=== 用户登录 ===");
    Scanner scanner = new Scanner(System.in);

    System.out.print("请输入邮箱: ");
    String email = scanner.nextLine().trim();

    System.out.print("请输入密码: ");
    String password = scanner.nextLine();

    // 这里应该调用真实的登录逻辑
    System.out.println("登录功能待实现");
    return true;
  }

  private boolean register() {
    System.out.println("\n=== 用户注册 ===");
    System.out.println("注册功能待实现");
    return true;
  }

  private void showMainMenu(Scanner scanner) {
    while (true) {
      System.out.println("\n=== 主菜单 ===");
      System.out.println("1. 开始练习");
      System.out.println("2. 修改密码");
      System.out.println("3. 退出登录");
      System.out.print("请选择: ");

      String choice = scanner.nextLine();
      if ("1".equals(choice)) {
        showLevelSelection(scanner);
      } else if ("2".equals(choice)) {
        changePassword(scanner);
      } else if ("3".equals(choice)) {
        System.out.println("退出登录成功！");
        return;
      } else {
        System.out.println("无效选择，请重新输入！");
      }
    }
  }

  private void showLevelSelection(Scanner scanner) {
    System.out.println("\n=== 选择题目级别 ===");
    System.out.println("1. 小学");
    System.out.println("2. 初中");
    System.out.println("3. 高中");
    System.out.println("4. 返回");
    System.out.print("请选择: ");

    String choice = scanner.nextLine();
    String level = null;
    switch (choice) {
      case "1": level = "小学"; break;
      case "2": level = "初中"; break;
      case "3": level = "高中"; break;
      case "4": return;
      default:
        System.out.println("无效选择！");
        return;
    }

    showQuestionCount(scanner, level);
  }

  private void showQuestionCount(Scanner scanner, String level) {
    System.out.println("\n=== 选择题目数量 ===");
    System.out.print("请输入题目数量 (10-30): ");

    try {
      int count = Integer.parseInt(scanner.nextLine());
      if (count < 10 || count > 30) {
        System.out.println("题目数量必须在10-30之间！");
        return;
      }

      startQuiz(level, count);

    } catch (NumberFormatException e) {
      System.out.println("请输入有效的数字！");
    }
  }

  private void startQuiz(String level, int count) {
    System.out.println("\n开始 " + level + " 级别答题，共 " + count + " 题");
    // 这里应该调用题目生成和答题逻辑
    System.out.println("答题功能待实现");

    // 模拟答题结果
    this.score = 0.8; // 模拟80%的正确率
    System.out.println("答题完成！得分: " + (score * 100) + "%");
  }

  private void changePassword(Scanner scanner) {
    System.out.println("\n=== 修改密码 ===");
    System.out.println("修改密码功能待实现");
  }

  public QuestionGenerator createGenerator(String level) {
    switch (level) {
      case "小学":
        return new PrimarySchoolGenerator();
      case "初中":
        return new JuniorHighGenerator();
      case "高中":
        return new SeniorHighGenerator();
      default:
        return null;
    }
  }

  public boolean isCorrectAnswer(String input, int correctAnswerIndex, List<Double> options) {
    if (input.equals(String.valueOf(options.get(correctAnswerIndex)))) {
      return true;
    } else {
      return false;
    }
  }

  public double caculateScore(int rightCount, int totalCount) {
    return rightCount / (double) totalCount;
  }
}