from __future__ import annotations
from datetime import datetime, timezone
from sqlalchemy import DateTime, String, Text
from sqlalchemy.orm import Mapped, mapped_column
from steward.models.base import Base


class AppSetting(Base):
    __tablename__ = "app_settings"

    key: Mapped[str] = mapped_column(String(128), primary_key=True)
    value_json: Mapped[str] = mapped_column(Text, nullable=False)
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        nullable=False,
        default=lambda: datetime.now(timezone.utc),
        onupdate=lambda: datetime.now(timezone.utc),
    )