import random

from django.test import TestCase
from django.urls import reverse
from unittest.mock import patch, Mock
import requests
from requests import RequestException

from bookmarks.models import UserProfile
from bookmarks.tests.helpers import BookmarkFactoryMixin
from bookmarks.views.settings import app_version, get_version_info


class SettingsGeneralViewTestCase(TestCase, BookmarkFactoryMixin):

    def setUp(self) -> None:
        user = self.get_or_create_test_user()
        self.client.force_login(user)

    def test_should_render_successfully(self):
        response = self.client.get(reverse('bookmarks:settings.general'))

        self.assertEqual(response.status_code, 200)

    def test_should_check_authentication(self):
        self.client.logout()
        response = self.client.get(reverse('bookmarks:settings.general'), follow=True)

        self.assertRedirects(response, reverse('login') + '?next=' + reverse('bookmarks:settings.general'))

    def test_should_save_profile(self):
        form_data = {
            'theme': UserProfile.THEME_DARK,
            'bookmark_date_display': UserProfile.BOOKMARK_DATE_DISPLAY_HIDDEN,
            'bookmark_link_target': UserProfile.BOOKMARK_LINK_TARGET_SELF,
            'web_archive_integration': UserProfile.WEB_ARCHIVE_INTEGRATION_ENABLED,
            'enable_sharing': True,
        }
        response = self.client.post(reverse('bookmarks:settings.general'), form_data)

        self.user.profile.refresh_from_db()

        self.assertEqual(response.status_code, 200)
        self.assertEqual(self.user.profile.theme, form_data['theme'])
        self.assertEqual(self.user.profile.bookmark_date_display, form_data['bookmark_date_display'])
        self.assertEqual(self.user.profile.bookmark_link_target, form_data['bookmark_link_target'])
        self.assertEqual(self.user.profile.web_archive_integration, form_data['web_archive_integration'])
        self.assertEqual(self.user.profile.enable_sharing, form_data['enable_sharing'])

    def test_about_shows_version_info(self):
        response = self.client.get(reverse('bookmarks:settings.general'))
        html = response.content.decode()

        self.assertInHTML(f'''
            <tr>
                <td>Version</td>
                <td>{get_version_info(random.random())}</td>
            </tr>
        ''', html)

    def test_get_version_info_just_displays_latest_when_versions_are_equal(self):
        latest_version_response_mock = Mock(status_code=200, json=lambda: {'name': f'v{app_version}'})
        with patch.object(requests, 'get', return_value=latest_version_response_mock):
            version_info = get_version_info(random.random())
            self.assertEqual(version_info, f'{app_version} (latest)')

    def test_get_version_info_shows_latest_version_when_versions_are_not_equal(self):
        latest_version_response_mock = Mock(status_code=200, json=lambda: {'name': f'v123.0.1'})
        with patch.object(requests, 'get', return_value=latest_version_response_mock):
            version_info = get_version_info(random.random())
            self.assertEqual(version_info, f'{app_version} (latest: 123.0.1)')

    def test_get_version_info_silently_ignores_request_errors(self):
        with patch.object(requests, 'get', side_effect=RequestException()):
            version_info = get_version_info(random.random())
            self.assertEqual(version_info, f'{app_version}')

    def test_get_version_info_handles_invalid_response(self):
        latest_version_response_mock = Mock(status_code=403, json=lambda: {})
        with patch.object(requests, 'get', return_value=latest_version_response_mock):
            version_info = get_version_info(random.random())
            self.assertEqual(version_info, app_version)

        latest_version_response_mock = Mock(status_code=200, json=lambda: {})
        with patch.object(requests, 'get', return_value=latest_version_response_mock):
            version_info = get_version_info(random.random())
            self.assertEqual(version_info, app_version)