from datetime import datetime
from sqlalchemy import Column, Integer, DateTime

# Import Base from database.py to ensure models use the same Base instance
from ..database import Base

class BaseModel(Base):
    __abstract__ = True
    
    id = Column(Integer, primary_key=True, autoincrement=True)
    created_at = Column(DateTime, default=datetime.utcnow)
    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
    
    def __repr__(self):
        return f"<{self.__class__.__name__} {self.id}>"