import pytest
from django.contrib.auth.models import User
from django.http import QueryDict
from django.http.response import Http404
from django.test import RequestFactory
from django.test import TestCase
from django.urls import reverse
from django.utils.translation import activate

from .views import DraftsAPI
from .models import CaseStudy
from .models import CaseStudyDraft


class CaseStudyDraftAPITests(TestCase):
    def setUp(self):
        #  Set up a user object
        self.test_username = "testuser1"
        self.test_password = "12345"
        self.user = User.objects.create_user(
            username=self.test_username, password=self.test_password
        )
        self.user.save()

        # Some useful vars
        self.factory = RequestFactory()
        self.url = reverse("drafts")
        print(self.url)

        # Work out login URL
        next_url = QueryDict.fromkeys(["next"], self.url)
        self.login_url = reverse("auth_login") + "?" + next_url.urlencode()

        # Activate a language pack
        activate("en-gb")

    def login(self):
        return self.client.login(
            username=self.test_username, password=self.test_password
        )

    def fake_draft(self):
        draft = CaseStudyDraft(author=self.user, data='{"test":1}')
        draft.save()
        return draft

    def test_get_not_logged_in(self):
        response = self.client.get(self.url, follow=True)
        self.assertRedirects(response, self.login_url)

    def test_put_not_logged_in(self):
        response = self.client.put(self.url, follow=True)
        self.assertRedirects(response, self.login_url)

    def test_delete_not_logged_in(self):
        response = self.client.delete(self.url, follow=True)
        self.assertRedirects(response, self.login_url)

    # The following tests use the requestfactory instead of the django client.

    def test_get_empty(self):
        request = self.factory.get(self.url)
        request.user = self.user

        with pytest.raises(Http404):
            DraftsAPI.as_view()(request)

    def test_put_works(self):
        contents = '{"test":1}'

        request = self.factory.put(self.url, data=contents)
        request.user = self.user
        response = DraftsAPI.as_view()(request)

        self.assertEqual(response.status_code, 201)

    def test_get_with_draft(self):
        draft = self.fake_draft()

        request = self.factory.get(self.url)
        request.user = self.user
        response = DraftsAPI.as_view()(request)

        self.assertEqual(response.status_code, 200)
        self.assertEqual(response["Content-Type"], "application/json")
        self.assertEqual(response.content.decode(), draft.data)

    def test_update(self):
        self.fake_draft()
        new_contents = '{"fnord": 7}'

        request = self.factory.put(self.url, data=new_contents)
        request.user = self.user
        response = DraftsAPI.as_view()(request)

        self.assertEqual(response.status_code, 200)
        self.assertEqual(
            CaseStudyDraft.objects.filter(author=self.user, data=new_contents).count(),
            1,
        )

    def test_delete(self):
        self.fake_draft()

        request = self.factory.delete(self.url)
        request.user = self.user
        response = DraftsAPI.as_view()(request)

        self.assertEqual(response.status_code, 204)
        self.assertEqual(CaseStudyDraft.objects.filter(author=self.user).count(), 0)


class CaseStudyTests(TestCase):
    def test_youtube(self):
        case_study = CaseStudy()
        case_study.video = "https://www.youtube.com/watch?v=h2V4-UP7ML0"
        self.assertIs(case_study.is_video_youtube(), True)

        # case_study.video = "https://youtu.be/h2V4-UP7ML0"
        # self.assertIs(case_study.is_video_youtube(), True)