import databases
import ormar
import sqlalchemy

database = databases.Database("sqlite:///db.sqlite")
metadata = sqlalchemy.MetaData()


class Book(ormar.Model):
    class Meta:
        tablename = "books"
        metadata = metadata
        database = database

    id: int = ormar.Integer(primary_key=True)
    title: str = ormar.String(max_length=200)
    author: str = ormar.String(max_length=100)
    genre: str = ormar.String(
        max_length=100,
        default="Fiction",
        choices=["Fiction", "Adventure", "Historic", "Fantasy"],
    )


await Book.objects.create(title="Tom Sawyer", author="Twain, Mark", genre="Adventure")
await Book.objects.create(
    title="War and Peace in Space", author="Tolstoy, Leo", genre="Fantasy"
)
await Book.objects.create(title="Anna Karenina", author="Tolstoy, Leo", genre="Fiction")

# delete accepts kwargs that will be used in filter
# acting in same way as queryset.filter(**kwargs).delete()
await Book.objects.delete(genre="Fantasy")  # delete all fantasy books
all_books = await Book.objects.all()
assert len(all_books) == 2