from datetime import datetime
from typing import Optional
from sqlalchemy import String, Text, DateTime, func
from sqlalchemy.orm import Mapped, mapped_column
from app.database import Base


class AppSetting(Base):
    __tablename__ = "app_settings"
    key: Mapped[str] = mapped_column(String(100), primary_key=True)
    value: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
    updated_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), onupdate=func.now())