from sqlalchemy import Column, Integer, String
from app.models.database import Base
from pydantic import BaseModel
from typing import Optional

class MerchantCategoryDB(Base):
    __tablename__ = "merchant_categories"

    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
    name = Column(String(50), nullable=False, comment="分类名称")
    sort = Column(Integer, default=0, comment="排序") 


class MerchantCategoryCreate(BaseModel):
    name: str
    sort: int = 0

class MerchantCategoryUpdate(BaseModel):
    name: Optional[str] = None
    sort: Optional[int] = None

class MerchantCategory(BaseModel):
    id: int
    name: str
    sort: int

    class Config:
        from_attributes = True