from typing import Optional
from pydantic import BaseModel
try:
    # Pydantic v2
    from pydantic import ConfigDict  # type: ignore
    _HAS_V2 = True
except Exception:  # pragma: no cover
    _HAS_V2 = False

class CategoryBase(BaseModel):
    name: str
    description: Optional[str] = None

class CategoryCreate(CategoryBase):
    pass

class CategoryRead(CategoryBase):
    id: int
    if _HAS_V2:
        model_config = ConfigDict(from_attributes=True)  # type: ignore
    else:  # Pydantic v1 fallback
        class Config:  # type: ignore
            orm_mode = True