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


class Conversation(Base):
    __tablename__ = "conversations"

    id = Column(Integer, primary_key=True)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    created_at = Column(DateTime, default=datetime.now)
    summary = Column(String(50), nullable=False)

    user = relationship("User", back_populates="conversations")
    messages = relationship("Message", back_populates="conversation")