from datetime import timedelta

from django.contrib.auth import get_user_model
from django.utils import timezone
from django.urls import reverse

from rest_framework.test import APIRequestFactory, APITestCase
from rest_framework import status

from event.models import Event, Place, ActivityTag, ActivityTemplate

User = get_user_model()


class EventTest(APITestCase):
    @classmethod
    def setUpTestData(cls):
        cls.user = User.objects.create(
                        username='enarmanli',
                        email='erkan.narmanli@ens.fr',
                        first_name='Erkan',
                        last_name='Narmanli',
                    )
        cls.event_data = {
                "title": "test event",
                "slug": "test-event",
                "description": "C'est trop cool !",
                "beginning_date": "2017-07-18T18:05:00Z",
                "ending_date": "2017-07-19T18:05:00Z",
                }

    # def test_anonymous_create(self):
    #     """
    #     ensure anonymous can't create a new event object using API
    #     """
    #     url = reverse('event-list')
    #     response = self.client.post(url, self.event_data, format='json')
    #     self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)

    def test_user_create(self):
        """
        ensure we can create a new event object using API
        """
        url = reverse('event-list')
        self.client.force_authenticate(user=self.user)
        response = self.client.post(url, self.event_data, format='json')
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        self.assertEqual(Event.objects.count(), 1)
        self.assertEqual(Event.objects.get().title, 'test event')


class EventSpecificTest(APITestCase):
    """
    Tests is the EventSpecifics querysets are rendered correctly
    using the API
    """
    @classmethod
    def setUpTestData(cls):
        cls.user = User.objects.create_user(username='user', password='pass', )
        cls.event = Event.objects.create(
                        title='La Nuit 2042',
                        slug='nuit42',
                        created_by=cls.user,
                        creation_date=timezone.now(),
                        description="La nuit c'est lol",
                        beginning_date=timezone.now()
                        + timedelta(days=30),
                        ending_date=timezone.now()
                        + timedelta(days=31),
                    )
        cls.factory = APIRequestFactory()

    def test_place(self):
        Place.objects.create(name="root-place", event=None)
        Place.objects.create(name="event-place", event=self.event)

        self.client.force_authenticate(user=self.user)

        url = reverse('place-list')
        response = self.client.get(url, format='json')
        self.assertEqual(response.json()['count'], 1)

        event_id = self.event.id
        url = reverse('event-place-list', kwargs={'event_pk': event_id})
        response = self.client.get(url, format='json')
        self.assertEqual(response.json()['count'], 2)

    def test_tag(self):
        ActivityTag.objects.create(name="root-tag",
                                   is_public=True,
                                   color="#000",
                                   event=None)
        ActivityTag.objects.create(name="event-tag",
                                   is_public=True,
                                   color="#FFF",
                                   event=self.event)

        self.client.force_authenticate(user=self.user)

        url = reverse('activitytag-list')
        response = self.client.get(url, format='json')
        self.assertEqual(response.json()['count'], 1)

        event_id = self.event.id
        url = reverse('event-activitytag-list', kwargs={'event_pk': event_id})
        response = self.client.get(url, format='json')
        self.assertEqual(response.json()['count'], 2)

    def test_activitytemplate(self):
        ActivityTemplate.objects.create(title="test", event=self.event)

        self.client.force_authenticate(user=self.user)

        event_id = self.event.id
        url = reverse('event-activitytemplate-list',
                      kwargs={'event_pk': event_id})
        response = self.client.get(url, format='json')
        self.assertEqual(response.json()['count'], 1)