from django.contrib.auth.models import Group
from django.contrib.auth import get_user_model
from django.test import TestCase
from datetime import timedelta
from django.utils import timezone
from .models import (UserSubscription, GroupSubscription)
from event.models import Event

User = get_user_model()


class SubscriptionTest(TestCase):
    @classmethod
    def setUpTestData(cls):
        cls.root = User.objects.create(username='root')
        cls.user_true = User.objects.create(username='usertrue')
        cls.user_false = User.objects.create(username='userfalse')
        cls.user_group_true = User.objects.create(username='usergrouptrue')
        cls.user_group_false = User.objects.create(username='usergroupfalse')

        cls.group = Group.objects.create(name="TestGroup")
        cls.user_group_true.groups.add(cls.group)
        cls.user_group_false.groups.add(cls.group)

        cls.event = Event.objects.create(
            title='TestEvent',
            slug='test',
            created_by=cls.root,
            creation_date=timezone.now(),
            description="Ceci est un test",
            beginning_date=timezone.now()
            + timedelta(days=30),
            ending_date=timezone.now()
            + timedelta(days=31),
        )
        cls.groupsub = GroupSubscription.objects.create(
            content_object=cls.event,
            group=cls.group
        )
        cls.groupunsub = UserSubscription.objects.create(
            content_object=cls.event,
            user=cls.user_group_false,
            is_unsub=True
        )
        cls.userunsub = UserSubscription.objects.create(
            content_object=cls.event,
            user=cls.user_false,
            is_unsub=True
        )
        cls.usersub = UserSubscription.objects.create(
            content_object=cls.event,
            user=cls.user_true,
            is_unsub=False
        )

    def test_all_subs(self):
        self.assertSetEqual(set(self.event.get_all_subscribers()),
                         {self.user_true, self.user_group_true})