"""
In-app notification models
"""
from sqlalchemy import Column, Integer, String, DateTime, Boolean, ForeignKey, Text
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func

from database import Base


class Notification(Base):
    __tablename__ = "notifications"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
    kind = Column(String(20), nullable=False, default="info")
    title = Column(String(150), nullable=False)
    message = Column(Text, nullable=False)
    link_path = Column(String(255), nullable=True)
    entity_type = Column(String(50), nullable=True)
    entity_id = Column(Integer, nullable=True)
    is_read = Column(Boolean, default=False, nullable=False)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    read_at = Column(DateTime(timezone=True), nullable=True)

    user = relationship("User", back_populates="notifications")