@Repository
public interface BookRepository extends JpaRepository<Book,Long> {

    List<Book> findByAgeRestriction(AgeRestriction input);
}


 @Autowired
    private BookService<Book, Long> bookService;

    @Autowired
    private AuthorService<Author, Long> authorService;

    @Autowired
    private CategoryService<Category, Long> categoryService;


    private AuthorRepository authorRepository;
    private BookRepository bookRepository;
    private CategoryRepository categoryRepository;

    @Autowired
    public ConsoleRunner(AuthorRepository authorRepository, BookRepository bookRepository, CategoryRepository categoryRepository) {
        this.authorRepository = authorRepository;
        this.bookRepository = bookRepository;
        this.categoryRepository = categoryRepository;
    }

    @Override
    public void run(String... strings) throws Exception {
        //seedDatabase();

        BufferedReader reader=new BufferedReader(new InputStreamReader(System.in));

        //PROBLEM 1: Books title by age restriction

//        String input=reader.readLine();
//
//        AgeRestriction age= AgeRestriction.valueOf(input.toUpperCase());
//
//        List<Book> byAgeRestriction = this.bookRepository.findByAgeRestriction(age);
//
//        for (Book book : byAgeRestriction) {
//            System.out.println(book.getTitle());
//        }
        // END OF PROBLEM 1;
}