from sqlmodel import SQLModel
from pydantic import ConfigDict
from typing import Optional, List

class BookBase(SQLModel):
    title: str
    description: str

    model_config = ConfigDict( #pyright: ignore
        json_schema_extra={
            "example": {
                "title": "book_title",
                "description": "book_description"
            }
        }
    )

class BookCreate(BookBase):
    pass

class BookUpdate(SQLModel):
    title: Optional[str] = None
    description: Optional[str] = None

class BookRead(BookBase):
    id: int

class BookList(SQLModel):
    books: List[BookRead]
    total: int