from typing import Optional
from pydantic import BaseModel

class HotwordBase(BaseModel):
    word: str
    weight: Optional[float] = 1.0

class HotwordCreate(HotwordBase):
    pass

class HotwordUpdate(HotwordBase):
    word: Optional[str] = None

class Hotword(HotwordBase):
    id: int
    pinyin: Optional[str] = None
    scope: str

    class Config:
        from_attributes = True