''' tests incoming activities'''
import json
import pathlib
from unittest.mock import patch

from django.http import HttpResponseNotAllowed, HttpResponseNotFound
from django.test import TestCase, Client

from bookwyrm import models, views

class Inbox(TestCase):
    ''' readthrough tests '''
    def setUp(self):
        ''' basic user and book data '''
        self.client = Client()
        self.local_user = models.User.objects.create_user(
            'mouse@example.com', 'mouse@mouse.com', 'mouseword',
            local=True, localname='mouse')
        self.local_user.remote_id = 'https://example.com/user/mouse'
        self.local_user.save(broadcast=False)
        with patch('bookwyrm.models.user.set_remote_server.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',
            )
        with patch('bookwyrm.models.activitypub_mixin.broadcast_task.delay'):
            self.status = models.Status.objects.create(
                user=self.local_user,
                content='Test status',
                remote_id='https://example.com/status/1',
            )

        self.create_json = {
            'id': 'hi',
            'type': 'Create',
            'actor': 'hi',
            "to": [
                "https://www.w3.org/ns/activitystreams#Public"
            ],
            "cc": [
                "https://example.com/user/mouse/followers"
            ],
            'object': {}
        }
        models.SiteSettings.objects.create()


    def test_inbox_invalid_get(self):
        ''' shouldn't try to handle if the user is not found '''
        result = self.client.get(
            '/inbox', content_type="application/json"
        )
        self.assertIsInstance(result, HttpResponseNotAllowed)

    def test_inbox_invalid_user(self):
        ''' shouldn't try to handle if the user is not found '''
        result = self.client.post(
            '/user/bleh/inbox',
            '{"type": "Test", "object": "exists"}',
            content_type="application/json"
        )
        self.assertIsInstance(result, HttpResponseNotFound)

    def test_inbox_invalid_bad_signature(self):
        ''' bad request for invalid signature '''
        with patch('bookwyrm.views.inbox.has_valid_signature') as mock_valid:
            mock_valid.return_value = False
            result = self.client.post(
                '/user/mouse/inbox',
                '{"type": "Test", "object": "exists"}',
                content_type="application/json"
            )
            self.assertEqual(result.status_code, 401)

    def test_inbox_invalid_bad_signature_delete(self):
        ''' invalid signature for Delete is okay though '''
        with patch('bookwyrm.views.inbox.has_valid_signature') as mock_valid:
            mock_valid.return_value = False
            result = self.client.post(
                '/user/mouse/inbox',
                '{"type": "Delete", "object": "exists"}',
                content_type="application/json"
            )
            self.assertEqual(result.status_code, 200)

    def test_inbox_unknown_type(self):
        ''' never heard of that activity type, don't have a handler for it '''
        with patch('bookwyrm.views.inbox.has_valid_signature') as mock_valid:
            result = self.client.post(
                '/inbox',
                '{"type": "Fish", "object": "exists"}',
                content_type="application/json"
            )
            mock_valid.return_value = True
            self.assertIsInstance(result, HttpResponseNotFound)


    def test_inbox_success(self):
        ''' a known type, for which we start a task '''
        activity = self.create_json
        activity['object'] = {
            "id": "https://example.com/list/22",
            "type": "BookList",
            "totalItems": 1,
            "first": "https://example.com/list/22?page=1",
            "last": "https://example.com/list/22?page=1",
            "name": "Test List",
            "owner": "https://example.com/user/mouse",
            "to": [
                "https://www.w3.org/ns/activitystreams#Public"
            ],
            "cc": [
                "https://example.com/user/mouse/followers"
            ],
            "summary": "summary text",
            "curation": "curated",
            "@context": "https://www.w3.org/ns/activitystreams"
        }
        with patch('bookwyrm.views.inbox.has_valid_signature') as mock_valid:
            mock_valid.return_value = True

            with patch('bookwyrm.views.inbox.activity_task.delay'):
                result = self.client.post(
                    '/inbox',
                    json.dumps(activity),
                    content_type="application/json"
                )
        self.assertEqual(result.status_code, 200)


    def test_handle_create_status(self):
        ''' the "it justs works" mode '''
        self.assertEqual(models.Status.objects.count(), 1)

        datafile = pathlib.Path(__file__).parent.joinpath(
            '../data/ap_quotation.json')
        status_data = json.loads(datafile.read_bytes())
        models.Edition.objects.create(
            title='Test Book', remote_id='https://example.com/book/1')
        activity = self.create_json
        activity['object'] = status_data

        views.inbox.activity_task(activity)

        status = models.Quotation.objects.get()
        self.assertEqual(
            status.remote_id, 'https://example.com/user/mouse/quotation/13')
        self.assertEqual(status.quote, 'quote body')
        self.assertEqual(status.content, 'commentary')
        self.assertEqual(status.user, self.local_user)
        self.assertEqual(models.Status.objects.count(), 2)

        # while we're here, lets ensure we avoid dupes
        views.inbox.activity_task(activity)
        self.assertEqual(models.Status.objects.count(), 2)


    def test_handle_create_status_remote_note_with_mention(self):
        ''' should only create it under the right circumstances '''
        self.assertEqual(models.Status.objects.count(), 1)
        self.assertFalse(
            models.Notification.objects.filter(user=self.local_user).exists())

        datafile = pathlib.Path(__file__).parent.joinpath(
            '../data/ap_note.json')
        status_data = json.loads(datafile.read_bytes())
        activity = self.create_json
        activity['object'] = status_data

        views.inbox.activity_task(activity)
        status = models.Status.objects.last()
        self.assertEqual(status.content, 'test content in note')
        self.assertEqual(status.mention_users.first(), self.local_user)
        self.assertTrue(
            models.Notification.objects.filter(user=self.local_user).exists())
        self.assertEqual(
            models.Notification.objects.get().notification_type, 'MENTION')

    def test_handle_create_status_remote_note_with_reply(self):
        ''' should only create it under the right circumstances '''
        self.assertEqual(models.Status.objects.count(), 1)
        self.assertFalse(
            models.Notification.objects.filter(user=self.local_user))

        datafile = pathlib.Path(__file__).parent.joinpath(
            '../data/ap_note.json')
        status_data = json.loads(datafile.read_bytes())
        del status_data['tag']
        status_data['inReplyTo'] = self.status.remote_id
        activity = self.create_json
        activity['object'] = status_data

        views.inbox.activity_task(activity)
        status = models.Status.objects.last()
        self.assertEqual(status.content, 'test content in note')
        self.assertEqual(status.reply_parent, self.status)
        self.assertTrue(
            models.Notification.objects.filter(user=self.local_user))
        self.assertEqual(
            models.Notification.objects.get().notification_type, 'REPLY')


    def test_handle_create_list(self):
        ''' a new list '''
        activity = self.create_json
        activity['object'] = {
            "id": "https://example.com/list/22",
            "type": "BookList",
            "totalItems": 1,
            "first": "https://example.com/list/22?page=1",
            "last": "https://example.com/list/22?page=1",
            "name": "Test List",
            "owner": "https://example.com/user/mouse",
            "to": [
                "https://www.w3.org/ns/activitystreams#Public"
            ],
            "cc": [
                "https://example.com/user/mouse/followers"
            ],
            "summary": "summary text",
            "curation": "curated",
            "@context": "https://www.w3.org/ns/activitystreams"
        }
        views.inbox.activity_task(activity)
        book_list = models.List.objects.get()
        self.assertEqual(book_list.name, 'Test List')
        self.assertEqual(book_list.curation, 'curated')
        self.assertEqual(book_list.description, 'summary text')
        self.assertEqual(book_list.remote_id, 'https://example.com/list/22')