# -*- coding: utf-8 -*-
from django.contrib.auth import get_user_model

from django.db import models


class Partner(models.Model):
    """ e.g. Citilink"""
    pass


class PartnerSource(models.Model):
    """
        mobile: m.cilitink
        desktop: www.citilink
    """
    partner = models.ForeignKey(Partner)


class Item(models.Model):
    """
    detail page url
    """
    source = models.ForeignKey(PartnerSource)


class ItemPrice(models.Model):
    """
    base, current, discount
    """
    item = models.ForeignKey(Item)


class UserGroup(models.Model):
    """
    groups for items
    """
    user = models.ForeignKey(get_user_model())
    # items = models.ManyToManyField(Item, through=UserItem)

class UserItem(models.Model):
    """
    items in user groups
    """
    group = models.ForeignKey(UserGroup)
    user = models.ForeignKey(get_user_model())
    item = models.ForeignKey(Item)