''' test incoming activities '''
from unittest.mock import patch
from django.test import TestCase

from bookwyrm import models, incoming


class Incoming(TestCase):
    ''' a lot here: all handlers for receiving activitypub requests '''
    def setUp(self):
        ''' we need basic things, like users '''
        self.local_user = models.User.objects.create_user(
            'mouse', 'mouse@mouse.com', 'mouseword', local=True)
        self.local_user.remote_id = 'http://local.com/user/mouse'
        self.local_user.save()
        with patch('bookwyrm.models.user.get_remote_reviews.delay'):
            self.remote_user = models.User.objects.create_user(
                'rat', 'rat@rat.com', 'ratword',
                local=False,
                remote_id='https://example.com/users/rat',
                inbox='https://example.com/users/rat/inbox',
                outbox='https://example.com/users/rat/outbox',
            )
        self.status = models.Status.objects.create(
            user=self.local_user,
            content='Test status',
            remote_id='http://local.com/status/1',
        )


    def test_handle_follow(self):
        ''' remote user wants to follow local user '''
        activity = {
            "@context": "https://www.w3.org/ns/activitystreams",
            "id": "https://example.com/users/rat/follows/123",
            "type": "Follow",
            "actor": "https://example.com/users/rat",
            "object": "http://local.com/user/mouse"
        }

        with patch('bookwyrm.broadcast.broadcast_task.delay'):
            incoming.handle_follow(activity)

        # notification created
        notification = models.Notification.objects.get()
        self.assertEqual(notification.user, self.local_user)
        self.assertEqual(notification.notification_type, 'FOLLOW')

        # the request should have been deleted
        requests = models.UserFollowRequest.objects.all()
        self.assertEqual(list(requests), [])

        # the follow relationship should exist
        follow = models.UserFollows.objects.get(user_object=self.local_user)
        self.assertEqual(follow.user_subject, self.remote_user)


    def test_handle_follow_manually_approved(self):
        ''' needs approval before following '''
        activity = {
            "@context": "https://www.w3.org/ns/activitystreams",
            "id": "https://example.com/users/rat/follows/123",
            "type": "Follow",
            "actor": "https://example.com/users/rat",
            "object": "http://local.com/user/mouse"
        }

        self.local_user.manually_approves_followers = True
        self.local_user.save()

        with patch('bookwyrm.broadcast.broadcast_task.delay'):
            incoming.handle_follow(activity)

        # notification created
        notification = models.Notification.objects.get()
        self.assertEqual(notification.user, self.local_user)
        self.assertEqual(notification.notification_type, 'FOLLOW_REQUEST')

        # the request should exist
        request = models.UserFollowRequest.objects.get()
        self.assertEqual(request.user_subject, self.remote_user)
        self.assertEqual(request.user_object, self.local_user)

        # the follow relationship should not exist
        follow = models.UserFollows.objects.all()
        self.assertEqual(list(follow), [])


    def test_handle_follow_accept(self):
        ''' a remote user approved a follow request from local '''
        activity = {
            "@context": "https://www.w3.org/ns/activitystreams",
            "id": "https://example.com/users/rat/follows/123#accepts",
            "type": "Accept",
            "actor": "https://example.com/users/rat",
            "object": {
                "id": "https://example.com/users/rat/follows/123",
                "type": "Follow",
                "actor": "http://local.com/user/mouse",
                "object": "https://example.com/users/rat"
            }
        }

        models.UserFollowRequest.objects.create(
            user_subject=self.local_user,
            user_object=self.remote_user
        )
        self.assertEqual(models.UserFollowRequest.objects.count(), 1)

        incoming.handle_follow_accept(activity)

        # request should be deleted
        self.assertEqual(models.UserFollowRequest.objects.count(), 0)

        # relationship should be created
        follows = self.remote_user.followers
        self.assertEqual(follows.count(), 1)
        self.assertEqual(follows.first(), self.local_user)


    def test_handle_favorite(self):
        ''' fav a status '''
        activity = {
            '@context': 'https://www.w3.org/ns/activitystreams',
            'id': 'http://example.com/fav/1',
            'actor': 'https://example.com/users/rat',
            'published': 'Mon, 25 May 2020 19:31:20 GMT',
            'object': 'http://local.com/status/1',
        }

        incoming.handle_favorite(activity)

        fav = models.Favorite.objects.get(remote_id='http://example.com/fav/1')
        self.assertEqual(fav.status, self.status)
        self.assertEqual(fav.remote_id, 'http://example.com/fav/1')
        self.assertEqual(fav.user, self.remote_user)