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

from app.database import Base

POLICY_ROW_ID = 1


class NotificationPolicy(Base):
    """Singleton: глобальное правило severity → каналы (F-NOT-02 урезанно)."""

    __tablename__ = "notification_policy"

    id: Mapped[int] = mapped_column(primary_key=True)
    min_severity: Mapped[str] = mapped_column(String(16), default="warning")
    use_telegram: Mapped[bool] = mapped_column(Boolean, default=True)
    use_webhook: Mapped[bool] = mapped_column(Boolean, default=False)
    use_email: Mapped[bool] = mapped_column(Boolean, default=False)