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

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)
    color = Column(String)
    weight = Column(Float)
    is_vaccinated = Column(Boolean, default=False)
    microchip_number = Column(String, unique=True)
    gender = Column(String)
    is_neutered = Column(Boolean, default=False)
    description = Column(String)
    created_at = Column(DateTime, default=func.now())
    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())