from typing import Optional


from app.schemas.base import BaseSchema


class ItemBase(BaseSchema):
    """
    Base schema for an item.
    """

    title: Optional[str] = None
    description: Optional[str] = None


class ItemCreate(ItemBase):
    """
    Schema for creating a new item.
    """

    title: str


class ItemUpdate(ItemBase):
    """
    Schema for updating an item.
    """

    pass


class ItemInDBBase(ItemBase):
    """
    Schema for an item in the database.
    """

    id: int
    title: str
    owner_id: int


class Item(ItemInDBBase):
    """
    Schema for returning an item.
    """

    pass


class ItemInDB(ItemInDBBase):
    """
    Schema for an item in the database.
    """

    pass