from sqlalchemy import Column, String, Text
from sqlalchemy.orm import relationship

from app.models.base import Base
from app.models.product import product_category


class Category(Base):
    """Model for anime merchandise categories."""

    name = Column(String(100), nullable=False, unique=True, index=True)
    description = Column(Text, nullable=True)

    # Relationships
    products = relationship(
        "Product", secondary=product_category, back_populates="categories"
    )

    def __repr__(self):
        return f"<Category {self.name}>"