import json

from django.test import TestCase

from users.models import User, SocialNetworks
from django.utils import timezone
from datetime import timedelta


class TestAPIViews(TestCase):
    def setUp(self):
        self.user_admin = User.objects.create_superuser('admin', 'email@email.com', 'superpassword')
        self.user_regular = User.objects.create_user('normal', 'email@email.com', 'superpassword')

        tomorrow = timezone.now() + timedelta(1)

        self.user_token = self.user_regular.oauth2_provider_accesstoken.create(expires=tomorrow, token='usertoken')
        self.admin_token = self.user_admin.oauth2_provider_accesstoken.create(expires=tomorrow, token='admintoken')

        self.user_regular.socialnetworks.twitter = 'twitter'
        self.user_regular.socialnetworks.save()

    def _admin_header(self):
        return f'Bearer {self.admin_token.token}'

    def _user_header(self):
        return f'Bearer {self.user_token.token}'

    def test_get_user_exists(self):
        response = self.client.get('/api/users/user/1', follow=True)
        self.assertEqual(response.status_code, 200)

    def test_get_user_not_exists(self):
        response = self.client.get('/api/users/user/3', follow=True)
        self.assertEqual(response.status_code, 404)

    def test_put_user_valid(self):
        new_user_data = {
            'username': 'other',
            'email': 'skrd159@gmail.com'
        }

        response = self.client.put('/api/users/user/2', json.dumps(new_user_data),
                                   HTTP_AUTHORIZATION=self._user_header())

        self.assertEqual(response.status_code, 200)

        user = User.objects.get(pk=2)
        self.assertEqual(user.username, new_user_data['username'])
        self.assertEqual(user.email, new_user_data['email'])

    def test_put_user_not_all_data(self):
        new_user_data = {
            'username': 'other',
        }

        response = self.client.put('/api/users/user/2', json.dumps(new_user_data),
                                   HTTP_AUTHORIZATION=self._user_header())

        self.assertEqual(response.status_code, 400)

    def test_put_user_not_modifying_self(self):
        new_user_data = {
            'username': 'other',
            'email': 'skrd159@gmail.com'
        }

        response = self.client.put('/api/users/user/1', json.dumps(new_user_data),
                                   HTTP_AUTHORIZATION=self._user_header())

        self.assertEqual(response.status_code, 403)

    def test_put_user_admin_not_modifying_self(self):
        new_user_data = {
            'username': 'other',
            'email': 'skrd159@gmail.com'
        }

        response = self.client.put('/api/users/user/2', json.dumps(new_user_data),
                                   HTTP_AUTHORIZATION=self._admin_header())

        self.assertEqual(response.status_code, 200)

    def test_get_social_networks_exists(self):
        response = self.client.get('/api/users/user/2/social_networks', follow=True)
        self.assertEqual(response.status_code, 200)
        self.assertEqual(response.json()['twitter'], 'twitter')

    def test_get_social_networks_not_exists(self):
        response = self.client.get('/api/users/user/3/social_networks', follow=True)
        self.assertEqual(response.status_code, 404)

    def test_put_social_networks_valid(self):
        new_social_data = {
            'twitter': 'ryuuji159',
            'facebook': '',
            'instagram': '',
            'youtube': '',
            'twitch': '',
        }

        response = self.client.put('/api/users/user/2/social_networks', json.dumps(new_social_data),
                                   HTTP_AUTHORIZATION=self._user_header())

        self.assertEqual(response.status_code, 200)

        social_networks = SocialNetworks.objects.get(user_id=2)
        self.assertEqual(social_networks.twitter, new_social_data['twitter'])
        self.assertEqual(social_networks.facebook, new_social_data['facebook'])
        self.assertEqual(social_networks.instagram, new_social_data['instagram'])
        self.assertEqual(social_networks.youtube, new_social_data['youtube'])
        self.assertEqual(social_networks.twitch, new_social_data['twitch'])

    def test_put_social_networks_invalid(self):
        # max length para los fields es 255 => len('toolong'*37) == 259
        new_social_data = {'twitter': 'toolong'*37}

        response = self.client.put('/api/users/user/2/social_networks', json.dumps(new_social_data),
                                   HTTP_AUTHORIZATION=self._user_header())

        self.assertEqual(response.status_code, 400)

    def test_put_social_networks_not_modifying_self(self):
        new_social_data = {}

        response = self.client.put('/api/users/user/1/social_networks', json.dumps(new_social_data),
                                   HTTP_AUTHORIZATION=self._user_header())

        self.assertEqual(response.status_code, 403)

    def test_put_social_networks_admin_modifying_other(self):
        new_social_data = {}

        response = self.client.put('/api/users/user/2/social_networks', json.dumps(new_social_data),
                                   HTTP_AUTHORIZATION=self._admin_header())

        self.assertEqual(response.status_code, 200)