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

from app.db.base import Base
from app.models.common import TimestampMixin, uuid4_str


class Notification(Base, TimestampMixin):
    __tablename__ = "notifications"

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=uuid4_str)
    recipient_user_id: Mapped[str] = mapped_column(String(36), nullable=False, index=True)
    title: Mapped[str] = mapped_column(String(255), nullable=False)
    body: Mapped[str | None] = mapped_column(Text, nullable=True)
    is_read: Mapped[bool] = mapped_column(nullable=False, default=False)