"""Comment model."""
from sqlalchemy import Column, Integer, String, ForeignKey, DateTime, Text
from sqlalchemy.orm import relationship
from datetime import datetime
from app.database import Base

class Comment(Base):
    """Comment model."""
    __tablename__ = "comments"

    id = Column(Integer, primary_key=True, index=True)
    content = Column(Text, nullable=False)
    author_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    table_id = Column(Integer, ForeignKey("tables.id"), nullable=True)
    record_id = Column(Integer, nullable=True)
    created_at = Column(DateTime, default=datetime.utcnow)
    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)

    author = relationship("User", back_populates="comments")