''' test for app action functionality '''
from unittest.mock import patch

from django.core.exceptions import PermissionDenied
from django.http.response import Http404
from django.test import TestCase
from django.test.client import RequestFactory

from bookwyrm import forms, models, view_actions as actions
from bookwyrm.settings import DOMAIN


#pylint: disable=too-many-public-methods
class ViewActions(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 = 'https://example.com/user/mouse'
        self.local_user.save()
        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',
            )
        self.status = models.Status.objects.create(
            user=self.local_user,
            content='Test status',
            remote_id='https://example.com/status/1',
        )
        self.settings = models.SiteSettings.objects.create(id=1)
        self.factory = RequestFactory()


    def test_register(self):
        ''' create a user '''
        self.assertEqual(models.User.objects.count(), 2)
        request = self.factory.post(
            'register/',
            {
                'username': 'nutria-user.user_nutria',
                'password': 'mouseword',
                'email': 'aa@bb.cccc'
            })
        with patch('bookwyrm.view_actions.login'):
            response = actions.register(request)
        self.assertEqual(models.User.objects.count(), 3)
        self.assertEqual(response.status_code, 302)
        nutria = models.User.objects.last()
        self.assertEqual(nutria.username, 'nutria-user.user_nutria@%s' % DOMAIN)
        self.assertEqual(nutria.localname, 'nutria-user.user_nutria')
        self.assertEqual(nutria.local, True)

    def test_register_trailing_space(self):
        ''' django handles this so weirdly '''
        request = self.factory.post(
            'register/',
            {
                'username': 'nutria ',
                'password': 'mouseword',
                'email': 'aa@bb.ccc'
            })
        with patch('bookwyrm.view_actions.login'):
            response = actions.register(request)
        self.assertEqual(models.User.objects.count(), 3)
        self.assertEqual(response.status_code, 302)
        nutria = models.User.objects.last()
        self.assertEqual(nutria.username, 'nutria@%s' % DOMAIN)
        self.assertEqual(nutria.localname, 'nutria')
        self.assertEqual(nutria.local, True)

    def test_register_invalid_email(self):
        ''' gotta have an email '''
        self.assertEqual(models.User.objects.count(), 2)
        request = self.factory.post(
            'register/',
            {
                'username': 'nutria',
                'password': 'mouseword',
                'email': 'aa'
            })
        response = actions.register(request)
        self.assertEqual(models.User.objects.count(), 2)
        self.assertEqual(response.template_name, 'login.html')

    def test_register_invalid_username(self):
        ''' gotta have an email '''
        self.assertEqual(models.User.objects.count(), 2)
        request = self.factory.post(
            'register/',
            {
                'username': 'nut@ria',
                'password': 'mouseword',
                'email': 'aa@bb.ccc'
            })
        response = actions.register(request)
        self.assertEqual(models.User.objects.count(), 2)
        self.assertEqual(response.template_name, 'login.html')

        request = self.factory.post(
            'register/',
            {
                'username': 'nutr ia',
                'password': 'mouseword',
                'email': 'aa@bb.ccc'
            })
        response = actions.register(request)
        self.assertEqual(models.User.objects.count(), 2)
        self.assertEqual(response.template_name, 'login.html')

        request = self.factory.post(
            'register/',
            {
                'username': 'nut@ria',
                'password': 'mouseword',
                'email': 'aa@bb.ccc'
            })
        response = actions.register(request)
        self.assertEqual(models.User.objects.count(), 2)
        self.assertEqual(response.template_name, 'login.html')


    def test_register_closed_instance(self):
        ''' you can't just register '''
        self.settings.allow_registration = False
        self.settings.save()
        request = self.factory.post(
            'register/',
            {
                'username': 'nutria ',
                'password': 'mouseword',
                'email': 'aa@bb.ccc'
            })
        with self.assertRaises(PermissionDenied):
            actions.register(request)

    def test_register_invite(self):
        ''' you can't just register '''
        self.settings.allow_registration = False
        self.settings.save()
        models.SiteInvite.objects.create(
            code='testcode', user=self.local_user, use_limit=1)
        self.assertEqual(models.SiteInvite.objects.get().times_used, 0)

        request = self.factory.post(
            'register/',
            {
                'username': 'nutria',
                'password': 'mouseword',
                'email': 'aa@bb.ccc',
                'invite_code': 'testcode'
            })
        with patch('bookwyrm.view_actions.login'):
            response = actions.register(request)
        self.assertEqual(models.User.objects.count(), 3)
        self.assertEqual(response.status_code, 302)
        self.assertEqual(models.SiteInvite.objects.get().times_used, 1)

        # invalid invite
        request = self.factory.post(
            'register/',
            {
                'username': 'nutria2',
                'password': 'mouseword',
                'email': 'aa@bb.ccc',
                'invite_code': 'testcode'
            })
        response = actions.register(request)
        self.assertEqual(models.User.objects.count(), 3)

        # bad invite code
        request = self.factory.post(
            'register/',
            {
                'username': 'nutria3',
                'password': 'mouseword',
                'email': 'aa@bb.ccc',
                'invite_code': 'dkfkdjgdfkjgkdfj'
            })
        with self.assertRaises(Http404):
            response = actions.register(request)
        self.assertEqual(models.User.objects.count(), 3)


    def test_password_reset_request(self):
        ''' send 'em an email '''
        request = self.factory.post('', {'email': 'aa@bb.ccc'})
        resp = actions.password_reset_request(request)
        self.assertEqual(resp.status_code, 302)

        request = self.factory.post(
            '', {'email': 'mouse@mouse.com'})
        with patch('bookwyrm.emailing.send_email.delay'):
            resp = actions.password_reset_request(request)
        self.assertEqual(resp.template_name, 'password_reset_request.html')

        self.assertEqual(
            models.PasswordReset.objects.get().user, self.local_user)

    def test_password_reset(self):
        ''' reset from code '''
        code = models.PasswordReset.objects.create(user=self.local_user)
        request = self.factory.post('', {
            'reset-code':  code.code,
            'password': 'hi',
            'confirm-password': 'hi'
        })
        with patch('bookwyrm.view_actions.login'):
            resp = actions.password_reset(request)
        self.assertEqual(resp.status_code, 302)
        self.assertFalse(models.PasswordReset.objects.exists())

    def test_password_reset_wrong_code(self):
        ''' reset from code '''
        models.PasswordReset.objects.create(user=self.local_user)
        request = self.factory.post('', {
            'reset-code': 'jhgdkfjgdf',
            'password': 'hi',
            'confirm-password': 'hi'
        })
        resp = actions.password_reset(request)
        self.assertEqual(resp.template_name, 'password_reset.html')
        self.assertTrue(models.PasswordReset.objects.exists())

    def test_password_reset_mismatch(self):
        ''' reset from code '''
        code = models.PasswordReset.objects.create(user=self.local_user)
        request = self.factory.post('', {
            'reset-code': code.code,
            'password': 'hi',
            'confirm-password': 'hihi'
        })
        resp = actions.password_reset(request)
        self.assertEqual(resp.template_name, 'password_reset.html')
        self.assertTrue(models.PasswordReset.objects.exists())


    def test_password_change(self):
        ''' change password '''
        password_hash = self.local_user.password
        request = self.factory.post('', {
            'password': 'hi',
            'confirm-password': 'hi'
        })
        request.user = self.local_user
        with patch('bookwyrm.view_actions.login'):
            resp = actions.password_change(request)
        self.assertNotEqual(self.local_user.password, password_hash)

    def test_password_change_mismatch(self):
        ''' change password '''
        password_hash = self.local_user.password
        request = self.factory.post('', {
            'password': 'hi',
            'confirm-password': 'hihi'
        })
        request.user = self.local_user
        resp = actions.password_change(request)
        self.assertEqual(self.local_user.password, password_hash)


    def test_edit_user(self):
        ''' use a form to update a user '''
        form = forms.EditUserForm(instance=self.local_user)
        form.data['name'] = 'New Name'
        request = self.factory.post('', form.data)
        request.user = self.local_user

        with patch('bookwyrm.broadcast.broadcast_task.delay'):
            actions.edit_profile(request)
        self.assertEqual(self.local_user.name, 'New Name')


    def test_switch_edition(self):
        ''' updates user's relationships to a book '''
        work = models.Work.objects.create(title='test work')
        edition1 = models.Edition.objects.create(
            title='first ed', parent_work=work)
        edition2 = models.Edition.objects.create(
            title='second ed', parent_work=work)
        shelf = models.Shelf.objects.create(
            name='Test Shelf', user=self.local_user)
        shelf.books.add(edition1)
        models.ReadThrough.objects.create(
            user=self.local_user, book=edition1)

        self.assertEqual(models.ShelfBook.objects.get().book, edition1)
        self.assertEqual(models.ReadThrough.objects.get().book, edition1)
        request = self.factory.post('', {
            'edition': edition2.id
        })
        request.user = self.local_user
        with patch('bookwyrm.broadcast.broadcast_task.delay'):
            actions.switch_edition(request)

        self.assertEqual(models.ShelfBook.objects.get().book, edition2)
        self.assertEqual(models.ReadThrough.objects.get().book, edition2)