from sqlalchemy import Column, Integer, String
from sqlalchemy.orm import relationship
from app.models.base import Base


class Category(Base):
    __tablename__ = "categories"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String(100), nullable=False, unique=True)
    icon = Column(String(50))
    color = Column(String(7))  # Hex color

    # Relationships
    questions = relationship("Question", back_populates="category")

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