from __future__ import annotations

from sqlalchemy import FetchedValue
from sqlalchemy.orm import Mapped, mapped_column

from bid_doctor.core.columns import PK, DbTs, Json, Ts, UuidCol
from bid_doctor.core.db import Base


class Notification(Base):
    __tablename__ = "notification"
    id: Mapped[PK]
    tenant_id: Mapped[UuidCol]
    user_id: Mapped[UuidCol]
    kind: Mapped[str]
    project_id: Mapped[UuidCol | None]
    payload: Mapped[Json] = mapped_column(server_default=FetchedValue())
    read_at: Mapped[Ts | None]
    created_at: Mapped[DbTs]