package com.startjava.graduation;

import java.time.Year;

public class Book {

private static final int MIN_YEAR = 1800;

private String author;

private String title;

private Year publishedYear;

public Book(String author, String title, Year publicationYear) {

if (author == null || author.isBlank()) {

throw new IllegalArgumentException("Автор не может быть пустым");

}

if (title == null || title.isBlank()) {

throw new IllegalArgumentException("Название не может быть пустым");

}

if (publicationYear == null) {

throw new IllegalArgumentException("Год издания не может быть пустым");

}

if (publicationYear.isBefore(Year.of(MIN_YEAR)) || publicationYear.isAfter(Year.now())) {

throw new IllegalArgumentException(

"Год издания должен быть между " + MIN_YEAR + " и " + Year.now());

}

this.author = author;

this.title = title;

this.publishedYear = publicationYear;

}

public String getTitle() {

return title;

}

@Override

public String toString() {

return author + ", " + title + ", " + publishedYear;

}

}