# -*- coding: utf-8 -*-
#
# ITerativ GmbH
# http://www.iterativ.ch/
#
# Copyright (c) 2019 ITerativ GmbH. All rights reserved.
#
# Created on 2019-10-08
# @author: chrigu <christian.cueni@iterativ.ch>
from datetime import datetime

from django.db import models

from core.hep_client import HepClient
from registration.managers import LicenseManager
from users.managers import RoleManager
from users.models import Role, User


class License(models.Model):
    for_role = models.ForeignKey(Role, blank=False, null=True, on_delete=models.CASCADE)
    licensee = models.ForeignKey(User, blank=False, null=True, on_delete=models.CASCADE)
    expire_date = models.DateField(blank=False, null=True,)
    raw = models.TextField(default="")

    objects = LicenseManager()

    def is_teacher_license(self):
        return self.for_role.key == RoleManager.TEACHER_KEY

    def is_valid(self):
        return HepClient.is_product_active(datetime(self.expire_date.year, self.expire_date.month, self.expire_date.day),
                                           self.for_role.key)

    def __str__(self):
        return 'License for role: %s' % self.for_role