from sqlalchemy import Column, Integer, String, Boolean, Text, ForeignKey, DateTime
from sqlalchemy.orm import relationship
from datetime import datetime

from app.database import Base


class Notification(Base):
    __tablename__ = "notifications"

    id = Column(Integer, primary_key=True, index=True)
    type = Column(String(50), nullable=False)
    title = Column(String(200), nullable=False)
    content = Column(Text, nullable=False)
    is_read = Column(Boolean, default=False)
    user_id = Column(Integer, ForeignKey("users.id"))
    related_id = Column(Integer)
    created_at = Column(DateTime, default=datetime.utcnow)

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