''' test for app action functionality '''
from unittest.mock import patch
from django.test import TestCase
from django.test.client import RequestFactory

from bookwyrm import forms, models, views
from bookwyrm.settings import DOMAIN


class StatusViews(TestCase):
    ''' viewing and creating statuses '''
    def setUp(self):
        ''' we need basic test data and mocks '''
        self.factory = RequestFactory()
        self.local_user = models.User.objects.create_user(
            'mouse@local.com', 'mouse@mouse.com', 'mouseword',
            local=True, localname='mouse',
            remote_id='https://example.com/users/mouse',
        )
        with patch('bookwyrm.models.user.set_remote_server'):
            self.remote_user = models.User.objects.create_user(
                'rat', 'rat@email.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',
            )

        work = models.Work.objects.create(title='Test Work')
        self.book = models.Edition.objects.create(
            title='Example Edition',
            remote_id='https://example.com/book/1',
            parent_work=work
        )


    def test_handle_status(self):
        ''' create a status '''
        view = views.CreateStatus.as_view()
        form = forms.CommentForm({
            'content': 'hi',
            'user': self.local_user.id,
            'book': self.book.id,
            'privacy': 'public',
        })
        request = self.factory.post('', form.data)
        request.user = self.local_user
        with patch('bookwyrm.models.activitypub_mixin.broadcast_task.delay'):
            view(request, 'comment')
        status = models.Comment.objects.get()
        self.assertEqual(status.content, '<p>hi</p>')
        self.assertEqual(status.user, self.local_user)
        self.assertEqual(status.book, self.book)

    def test_handle_status_reply(self):
        ''' create a status in reply to an existing status '''
        view = views.CreateStatus.as_view()
        user = models.User.objects.create_user(
            'rat', 'rat@rat.com', 'password', local=True)
        with patch('bookwyrm.models.activitypub_mixin.broadcast_task.delay'):
            parent = models.Status.objects.create(
                content='parent status', user=self.local_user)
        form = forms.ReplyForm({
            'content': 'hi',
            'user': user.id,
            'reply_parent': parent.id,
            'privacy': 'public',
        })
        request = self.factory.post('', form.data)
        request.user = user
        with patch('bookwyrm.models.activitypub_mixin.broadcast_task.delay'):
            view(request, 'reply')
        status = models.Status.objects.get(user=user)
        self.assertEqual(status.content, '<p>hi</p>')
        self.assertEqual(status.user, user)
        self.assertEqual(
            models.Notification.objects.get().user, self.local_user)

    def test_handle_status_mentions(self):
        ''' @mention a user in a post '''
        view = views.CreateStatus.as_view()
        user = models.User.objects.create_user(
            'rat@%s' % DOMAIN, 'rat@rat.com', 'password',
            local=True, localname='rat')
        form = forms.CommentForm({
            'content': 'hi @rat',
            'user': self.local_user.id,
            'book': self.book.id,
            'privacy': 'public',
        })
        request = self.factory.post('', form.data)
        request.user = self.local_user

        with patch('bookwyrm.models.activitypub_mixin.broadcast_task.delay'):
            view(request, 'comment')
        status = models.Status.objects.get()
        self.assertEqual(list(status.mention_users.all()), [user])
        self.assertEqual(models.Notification.objects.get().user, user)
        self.assertEqual(
            status.content,
            '<p>hi <a href="%s">@rat</a></p>' % user.remote_id)

    def test_handle_status_reply_with_mentions(self):
        ''' reply to a post with an @mention'ed user '''
        view = views.CreateStatus.as_view()
        user = models.User.objects.create_user(
            'rat', 'rat@rat.com', 'password',
            local=True, localname='rat')
        form = forms.CommentForm({
            'content': 'hi @rat@example.com',
            'user': self.local_user.id,
            'book': self.book.id,
            'privacy': 'public',
        })
        request = self.factory.post('', form.data)
        request.user = self.local_user

        with patch('bookwyrm.models.activitypub_mixin.broadcast_task.delay'):
            view(request, 'comment')
        status = models.Status.objects.get()

        form = forms.ReplyForm({
            'content': 'right',
            'user': user.id,
            'privacy': 'public',
            'reply_parent': status.id
        })
        request = self.factory.post('', form.data)
        request.user = user
        with patch('bookwyrm.models.activitypub_mixin.broadcast_task.delay'):
            view(request, 'reply')

        reply = models.Status.replies(status).first()
        self.assertEqual(reply.content, '<p>right</p>')
        self.assertEqual(reply.user, user)
        # the mentioned user in the parent post is only included if @'ed
        self.assertFalse(self.remote_user in reply.mention_users.all())
        self.assertTrue(self.local_user in reply.mention_users.all())

    def test_find_mentions(self):
        ''' detect and look up @ mentions of users '''
        user = models.User.objects.create_user(
            'nutria@%s' % DOMAIN, 'nutria@nutria.com', 'password',
            local=True, localname='nutria')
        self.assertEqual(user.username, 'nutria@%s' % DOMAIN)

        self.assertEqual(
            list(views.status.find_mentions('@nutria'))[0],
            ('@nutria', user)
        )
        self.assertEqual(
            list(views.status.find_mentions('leading text @nutria'))[0],
            ('@nutria', user)
        )
        self.assertEqual(
            list(views.status.find_mentions(
                'leading @nutria trailing text'))[0],
            ('@nutria', user)
        )
        self.assertEqual(
            list(views.status.find_mentions(
                '@rat@example.com'))[0],
            ('@rat@example.com', self.remote_user)
        )

        multiple = list(views.status.find_mentions(
            '@nutria and @rat@example.com'))
        self.assertEqual(multiple[0], ('@nutria', user))
        self.assertEqual(multiple[1], ('@rat@example.com', self.remote_user))

        with patch('bookwyrm.views.status.handle_remote_webfinger') as rw:
            rw.return_value = self.local_user
            self.assertEqual(
                list(views.status.find_mentions('@beep@beep.com'))[0],
                ('@beep@beep.com', self.local_user)
            )
        with patch('bookwyrm.views.status.handle_remote_webfinger') as rw:
            rw.return_value = None
            self.assertEqual(list(views.status.find_mentions(
                '@beep@beep.com')), [])

        self.assertEqual(
            list(views.status.find_mentions('@nutria@%s' % DOMAIN))[0],
            ('@nutria@%s' % DOMAIN, user)
        )

    def test_format_links(self):
        ''' find and format urls into a tags '''
        url = 'http://www.fish.com/'
        self.assertEqual(
            views.status.format_links(url),
            '<a href="%s">www.fish.com/</a>' % url)
        self.assertEqual(
            views.status.format_links('(%s)' % url),
            '(<a href="%s">www.fish.com/</a>)' % url)
        url = 'https://archive.org/details/dli.granth.72113/page/n25/mode/2up'
        self.assertEqual(
            views.status.format_links(url),
            '<a href="%s">' \
                'archive.org/details/dli.granth.72113/page/n25/mode/2up</a>' \
                % url)
        url = 'https://openlibrary.org/search' \
               '?q=arkady+strugatsky&mode=everything'
        self.assertEqual(
            views.status.format_links(url),
            '<a href="%s">openlibrary.org/search' \
                '?q=arkady+strugatsky&mode=everything</a>' % url)


    def test_to_markdown(self):
        ''' this is mostly handled in other places, but nonetheless '''
        text = '_hi_ and http://fish.com is <marquee>rad</marquee>'
        result = views.status.to_markdown(text)
        self.assertEqual(
            result,
            '<p><em>hi</em> and <a href="http://fish.com">fish.com</a> ' \
                    'is rad</p>')


    def test_to_markdown_link(self):
        ''' this is mostly handled in other places, but nonetheless '''
        text = '[hi](http://fish.com) is <marquee>rad</marquee>'
        result = views.status.to_markdown(text)
        self.assertEqual(
            result,
            '<p><a href="http://fish.com">hi</a> ' \
                    'is rad</p>')


    def test_handle_delete_status(self):
        ''' marks a status as deleted '''
        view = views.DeleteStatus.as_view()
        with patch('bookwyrm.models.activitypub_mixin.broadcast_task.delay'):
            status = models.Status.objects.create(
                user=self.local_user, content='hi')
        self.assertFalse(status.deleted)
        request = self.factory.post('')
        request.user = self.local_user
        with patch('bookwyrm.models.activitypub_mixin.broadcast_task.delay'):
            view(request, status.id)
        status.refresh_from_db()
        self.assertTrue(status.deleted)