from sqlalchemy import Integer, Column, String, Boolean
from sqlalchemy.orm import relationship

from models import BaseModel


class BarcodeTemplateAttribute(BaseModel):
    __tablename__ = 'barcode_template_attributes'
    id = Column(Integer, autoincrement=True, primary_key=True, index=True)
    name = Column(String, nullable=False, index=True, comment='Название атрибута')
    label = Column(String, nullable=False, index=True, comment='Метка атрибута')


class BarcodeTemplate(BaseModel):
    __tablename__ = 'barcode_templates'
    id = Column(Integer, autoincrement=True, primary_key=True, index=True)
    name = Column(String, nullable=False, index=True, comment='Название шаблона')
    attributes = relationship('BarcodeTemplateAttributeLink',
                              back_populates='barcode_template',
                              cascade="all, delete-orphan",
                              lazy='joined')
    is_default = Column(Boolean, nullable=False, default=False, comment='По умолчанию')