from sqlalchemy import Column, Integer, String, Table
from sqlalchemy.orm import relationship
from sqlalchemy import ForeignKey
from ._base import Base
from ._customer import Customer
from ._group import Group
from ._job import Job


customer_group = Table('customer_group', Base.metadata,
    Column('customer_id', Integer, ForeignKey('customers.id')),
    Column('group_id', Integer, ForeignKey('groups.id'))
)
Customer.groups = relationship("Group", secondary=customer_group, back_populates="members")
Group.members = relationship("Customer", secondary=customer_group, back_populates="groups")



customer_job = Table('customer_job', Base.metadata,
    Column('customer_id', Integer, ForeignKey('customers.id')),
    Column('job_id', Integer, ForeignKey('jobs.id'))
)
Customer.jobs = relationship("Job", secondary=customer_job, back_populates="customers")
Job.customers = relationship("Customer", secondary=customer_job, back_populates="jobs")