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 Pen(Base):
    __tablename__ = "pens"
    id = Column(String, primary_key=True, default=lambda: str(uuid.uuid4()))
    name = Column(String, nullable=False)
    color = Column(String, nullable=False)
    brand = Column(String, nullable=False)
    price = Column(Integer, nullable=False)
    stock = Column(Integer, nullable=False)
    created_at = Column(DateTime, default=func.now())
    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())