from __future__ import annotations

from datetime import datetime

from sqlalchemy import DateTime, String, Text
from sqlalchemy.orm import Mapped, mapped_column

from backend.models.user import db


class SystemSetting(db.Model):
    __tablename__ = "system_setting"

    key: Mapped[str] = mapped_column(String(80), primary_key=True)
    value: Mapped[str] = mapped_column(Text, nullable=False, default="")
    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)