from django.db import models


class Book(models.Model):
    """Represents a book in the user's library."""

    title = models.CharField(max_length=512)
    author = models.CharField(max_length=256, blank=True, default="")
    total_pages = models.PositiveIntegerField(default=0)
    cover_image = models.URLField(blank=True, default="")
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        db_table = "books_book"
        verbose_name = "Book"
        verbose_name_plural = "Books"
        ordering = ["title"]

    def __str__(self) -> str:
        return self.title