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

from app.models.base import Base, TimestampMixin


class SystemConfig(Base, TimestampMixin):
    __tablename__ = "system_configs"

    id: Mapped[str] = mapped_column(String(32), primary_key=True)
    key: Mapped[str] = mapped_column(String(64), unique=True, index=True)
    value: Mapped[str] = mapped_column(Text)
    description: Mapped[str | None] = mapped_column(String(256), nullable=True)