from sqlalchemy import Column, String, Integer, ForeignKey, DateTime
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from core.database import Base
import uuid

class Dog(Base):
    __tablename__ = "dogs"
    id = Column(String, primary_key=True, default=lambda: str(uuid.uuid4()))
    name = Column(String, nullable=False)
    breed = Column(String, nullable=False)
    age = Column(Integer, nullable=False)
    owner_id = Column(String, ForeignKey("users.id"), nullable=False)
    owner = relationship("User", back_populates="dogs")
    created_at = Column(DateTime, default=func.now())
    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())