from __future__ import annotations  # TODO: Remove if python requirement is >= 3.12 (? PEP 563 is defered)

from datetime import datetime
from typing import Any

from ..database import db
from ..database.types import Serial, UtcDateTime, ModelSerializeMixin


class Notification(db.Model, ModelSerializeMixin):
    __allow_unmapped__ = True
    __tablename__ = "notification"
    id: int = db.Column("id", Serial, primary_key=True)
    text: str = db.Column(db.Text)
    data: Any = db.Column(db.PickleType(protocol=4))
    time: datetime = db.Column(UtcDateTime, nullable=False, default=UtcDateTime.current_utc)

    user_id_: int = db.Column("user", Serial, db.ForeignKey("user.id"), nullable=False)
    plugin_id_: int = db.Column("plugin", Serial, db.ForeignKey("plugin.id"), nullable=False)
    user_: User = db.relationship("User")
    plugin_: Plugin = db.relationship(
        "Plugin", backref=db.backref("notifications_", cascade="all, delete, delete-orphan")
    )
    plugin: str

    @property
    def plugin(self) -> str:
        return self.plugin_.name