import java.util.Scanner;

// 主类
public class Main {
    public static void main(String[] args) {
        BookManagementSystem bms = new BookManagementSystem();
        Scanner scanner = new Scanner(System.in);

        while (true) {
            System.out.println("\n图书管理系统");
            System.out.println("1. 添加图书");
            System.out.println("2. 显示图书列表");
            System.out.println("3. 查找图书");
            System.out.println("4. 退出");
            System.out.print("请输入选项：");

            int choice = scanner.nextInt();
            scanner.nextLine(); // 消耗换行符

            switch (choice) {
                case 1:
                    System.out.print("请输入图书ID：");
                    String id = scanner.nextLine();
                    System.out.print("请输入图书名称：");
                    String name = scanner.nextLine();
                    System.out.print("请输入图书作者：");
                    String author = scanner.nextLine();
                    bms.addBook(id, name, author);
                    break;
                case 2:
                    bms.displayBooks();
                    break;
                case 3:
                    System.out.print("请输入查找关键词：");
                    String keyword = scanner.nextLine();
                    bms.searchBook(keyword);
                    break;
                case 4:
                    System.out.println("感谢使用图书管理系统，再见！");
                    scanner.close();
                    return;
                default:
                    System.out.println("无效选项，请重新输入！");
            }
        }
    }
}