from django.test import TestCase
from django.contrib.auth.models import User
from django.utils import timezone
from rest_framework import status
from rest_framework.test import APITestCase, APIRequestFactory, force_authenticate

from webapp.models import Event
from webapp.serializers import EventSerializer
from webapp.tests.tag_fixture import tagBuilder, createTagIcon


class EventTestCase(APITestCase):

    def setUp(self):
        tag1 = tagBuilder()
        tag2 = tagBuilder("testtag2")
        self.testTagId = tag1.id

        # Visible and relevant
        Event.objects.create(
            title_fi="Testitapahtuma1",
            title_en="TestEvent1",
            visible=True,
            description_fi="diidadaapa",
            description_en="diidadaapa EN",
            content_fi="lorem ipsum",
            content_en="lorem ipsum EN",
            start_time=timezone.datetime(2019, 11, 9, 12, 0, 0),
            end_time=timezone.datetime(2020, 11, 9, 13, 0, 0),
            location="Testimaa"
        )
        # Invisible but relevant
        Event.objects.create(
            title_fi="Testitapahtuma1",
            title_en="TestEvent2",
            visible=False,
            description_fi="diidadaapa",
            description_en="diidadaapa EN",
            content_fi="lorem ipsum",
            content_en="lorem ipsum EN",
            start_time=timezone.datetime(2018, 12, 9, 12, 0, 0),
            end_time=timezone.datetime(2020, 12, 9, 13, 0, 0),
            location="Testimaan kerhohuone"
        )
        # Visible but unrelevant
        Event.objects.create(
            title_fi="Testitapahtuma3",
            title_en="TestEvent3",
            visible=True,
            description_fi="diidadaapa",
            description_en="diidadaapa EN",
            content_fi="lorem ipsum",
            content_en="lorem ipsum EN",
            start_time=timezone.datetime(2018, 12, 9, 12, 0, 0),
            end_time=timezone.datetime(2018, 12, 9, 13, 0, 0),
            location="Testimaan kerhohuone"
        )
        # Visible and relevant
        Event.objects.create(
            title_fi="Testitapahtuma4",
            title_en="TestEvent4",
            visible=True,
            description_fi="diidadaapa",
            description_en="diidadaapa EN",
            content_fi="lorem ipsum",
            content_en="lorem ipsum EN",
            start_time=timezone.datetime(2018, 12, 9, 12, 0, 0),
            end_time=timezone.datetime(2020, 12, 9, 13, 0, 0),
            location="Testimaan kerhohuone"
        )
        Event.objects.get(title_en="TestEvent1").tags.add(tag1)
        Event.objects.get(title_en="TestEvent2").tags.add(tag2)
        self.testEventId = Event.objects.get(title_en="TestEvent1").id
        self.assertEqual(Event.objects.count(), 4)

        username, password = 'test_admin', 'password123'
        self.authClient = User.objects.create_superuser(username, 'myemail@test.com', password)

    def test_get_events(self):
        # Get from API
        response = self.client.get("/api/events/", format="json")
        # Response 200
        self.assertTrue(response.status_code, status.HTTP_200_OK)
        # Response should not have old events and invisible
        self.assertEqual(len(response.data["results"]), 2)
        # Check that serialized data is equal to received response
        expected_events = EventSerializer(
            Event.objects.filter(title_en__in=("TestEvent1", "TestEvent4")).order_by("start_time"),
            many=True,
            context={
                "request": APIRequestFactory().get(r"http://testserver/api/events/")
            }
        )
        self.assertEqual(response.data["results"], expected_events.data)

    def test_get_single_event(self):
        response = self.client.get(f"/api/events/{self.testEventId}/", format="json")
        self.assertEqual(response.status_code, status.HTTP_200_OK)

        serializer = EventSerializer(
            Event.objects.get(title_en="TestEvent1"),
            context={
                "request": APIRequestFactory().get(r"http://testserver/api/events/")
            }
        )
        self.assertEqual(response.data, serializer.data)

    def test_get_invalid_event(self):
        response = self.client.get("/api/events/15/", format="json")
        self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)

    def test_post_event(self):
        # Authenticate
        self.client.force_authenticate(user=self.authClient)
        response = self.client.post(
            "/api/events/",
            {
                "tags": [self.testTagId],
                "tag_id": [self.testTagId],
                "visible": True,
                "title": "POST Testi",
                # "title_fi": "POST Testi",
                # "title_en": "POST Test",
                "description": "ABC",
                # "description_fi": "ABC",
                # "description_en": "CBA",
                "content": "Benis",
                # "content_fi": "Benis",
                # "content_en": "Bensels :DDD",
                "start_time": timezone.now(),
                "end_time": timezone.now(),
                "signup_id": []
            },
            format='json'
        )

        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        self.assertEqual(Event.objects.count(), 5)

    def test_post_event_unauth(self):
        response = self.client.post(
            "/api/events/",
            {
                "tags": [self.testTagId],
                "tag_id": [self.testTagId],
                "visible": True,
                "title": "POST Testi",
                # "title_fi": "POST Testi",
                # "title_en": "POST Test",
                "description": "ABC",
                # "description_fi": "ABC",
                # "description_en": "CBA",
                "content": "Benis",
                # "content_fi": "Benis",
                # "content_en": "Bensels :DDD",
                "start_time": timezone.now(),
                "end_time": timezone.now(),
                "signup_id": []
            },
            format='json'
        )

        self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)
        self.assertEqual(Event.objects.count(), 4)

    def test_update_event(self):
        pass

    def test_update_event_unauth(self):
        pass

    def test_delete_event(self):
        pass

    def test_delete_event_unauth(self):
        pass