from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, BigInteger
from sqlalchemy.orm import relationship

from models import BaseModel


class Client(BaseModel):
    __tablename__ = 'clients'
    id = Column(Integer, autoincrement=True, primary_key=True, index=True)
    name = Column(String, nullable=False, unique=True, comment='Название клиента')
    created_at = Column(DateTime, nullable=False, comment='Дата создания')

    products = relationship('Product', back_populates='client')
    details = relationship('ClientDetails', uselist=False, back_populates='client', cascade='all, delete')

    barcode_template_id = Column(Integer, ForeignKey('barcode_templates.id'), nullable=True)
    barcode_template = relationship('BarcodeTemplate', lazy='selectin')


class ClientDetails(BaseModel):
    __tablename__ = 'client_details'

    id = Column(Integer, autoincrement=True, primary_key=True, index=True)

    client_id = Column(Integer, ForeignKey('clients.id'), unique=True, nullable=False, comment='ID клиента')
    client = relationship('Client', back_populates='details', cascade='all, delete', uselist=False)

    telegram = Column(String)
    phone_number = Column(String)
    inn = Column(String)
    email = Column(String)

    last_modified_at = Column(DateTime, nullable=False)

    modified_by_user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
    modified_by_user = relationship('User')