import pytest
from django.core import mail
from django.urls import reverse
from rest_framework import status
from rest_framework.test import APIClient

from openslides.core.config import config
from openslides.users.models import Group, PersonalNote, User
from openslides.users.serializers import UserFullSerializer
from openslides.utils.autoupdate import inform_changed_data
from openslides.utils.test import TestCase

from ..helpers import count_queries


@pytest.mark.django_db(transaction=False)
def test_user_db_queries():
    """
    Tests that only the following db queries are done:
    * 2 requests to get the list of all users and
    * 1 requests to get the list of all groups.
    """
    for index in range(10):
        User.objects.create(username='user{}'.format(index))

    assert count_queries(User.get_elements) == 3


@pytest.mark.django_db(transaction=False)
def test_group_db_queries():
    """
    Tests that only the following db queries are done:
    * 1 request to get the list of all groups.
    * 1 request to get the permissions
    """
    for index in range(10):
        Group.objects.create(name='group{}'.format(index))

    assert count_queries(Group.get_elements) == 2


class UserGetTest(TestCase):
    """
    Tests to receive a users via REST API.
    """
    def test_get_with_user_who_is_in_group_with_pk_1(self):
        """
        It is invalid, that a user is in the group with the pk 1. But if the
        database is invalid, the user should nevertheless be received.
        """
        admin = User.objects.get(username='admin')
        group1 = Group.objects.get(pk=1)
        admin.groups.add(group1)
        self.client.login(username='admin', password='admin')

        response = self.client.get('/rest/users/user/1/')

        self.assertEqual(response.status_code, 200)

    def test_get_with_user_without_permissions(self):
        group = Group.objects.get(pk=1)
        permission_string = 'users.can_see_name'
        app_label, codename = permission_string.split('.')
        permission = group.permissions.get(content_type__app_label=app_label, codename=codename)
        group.permissions.remove(permission)
        inform_changed_data(group)
        config['general_system_enable_anonymous'] = True
        guest_client = APIClient()

        response = guest_client.get('/rest/users/user/1/')

        self.assertEqual(response.status_code, 404)


class UserCreate(TestCase):
    """
    Tests creation of users via REST API.
    """
    def test_simple_creation(self):
        self.client.login(username='admin', password='admin')

        response = self.client.post(
            reverse('user-list'),
            {'last_name': 'Test name keimeiShieX4Aekoe3do'})

        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        new_user = User.objects.get(username='Test name keimeiShieX4Aekoe3do')
        self.assertEqual(response.data['id'], new_user.id)

    def test_creation_with_group(self):
        self.client.login(username='admin', password='admin')
        # These are the builtin groups 'Delegates' and 'Staff'. The pks are valid.
        group_pks = (2, 3,)

        self.client.post(
            reverse('user-list'),
            {'last_name': 'Test name aedah1iequoof0Ashed4',
             'groups_id': group_pks})

        user = User.objects.get(username='Test name aedah1iequoof0Ashed4')
        self.assertTrue(user.groups.filter(pk=group_pks[0]).exists())
        self.assertTrue(user.groups.filter(pk=group_pks[1]).exists())

    def test_creation_with_default_group(self):
        self.client.login(username='admin', password='admin')
        # This is the builtin groups 'default'.
        # The pk is valid. But this group can not be added to users.
        group_pk = (1,)

        response = self.client.post(
            reverse('user-list'),
            {'last_name': 'Test name aedah1iequoof0Ashed4',
             'groups_id': group_pk})

        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'groups_id': ["Invalid pk \"%d\" - object does not exist." % group_pk]})


class UserUpdate(TestCase):
    """
    Tests update of users via REST API.
    """
    def test_simple_update_via_patch(self):
        """
        Test to only update the last_name with a patch request.

        The field username *should not* be changed by the request.
        """
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        # This is the builtin user 'Administrator' with username 'admin'. The pk is valid.
        user_pk = User.objects.get(username='admin').pk

        response = admin_client.patch(
            reverse('user-detail', args=[user_pk]),
            {'last_name': 'New name tu3ooh5Iez5Aec2laefo'})

        self.assertEqual(response.status_code, status.HTTP_200_OK)
        user = User.objects.get(pk=user_pk)
        self.assertEqual(user.last_name, 'New name tu3ooh5Iez5Aec2laefo')
        self.assertEqual(user.username, 'admin')

    def test_simple_update_via_put(self):
        """
        Test to only update the last_name with a put request.

        The field username *should* be changed by the request.
        """
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        # This is the builtin user 'Administrator'. The pk is valid.
        user_pk = User.objects.get(username='admin').pk

        response = admin_client.put(
            reverse('user-detail', args=[user_pk]),
            {'last_name': 'New name Ohy4eeyei5'})

        self.assertEqual(response.status_code, 200)
        self.assertEqual(User.objects.get(pk=user_pk).username, 'New name Ohy4eeyei5')

    def test_update_deactivate_yourselfself(self):
        """
        Tests that an user can not deactivate himself.
        """
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        # This is the builtin user 'Administrator'. The pk is valid.
        user_pk = User.objects.get(username='admin').pk

        response = admin_client.patch(
            reverse('user-detail', args=[user_pk]),
            {'username': 'admin',
             'is_active': False},
            format='json')

        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)

    def test_update_yourself_non_manager(self):
        """
        Tests that an user can update himself even if he is not a manager.
        """
        user = User.objects.create_user(
            username='non-admin zeiyeGhaoXoh4awe3xai',
            password='non-admin chah1hoshohN5Oh7zouj')
        client = APIClient()
        client.login(
            username='non-admin zeiyeGhaoXoh4awe3xai',
            password='non-admin chah1hoshohN5Oh7zouj')

        response = client.put(
            reverse('user-detail', args=[user.pk]),
            {'username': 'New username IeWeipee5mahpi4quupo',
             'last_name': 'New name fae1Bu1Eyeis9eRox4xu',
             'about_me': 'New profile text Faemahphi3Hilokangei'})

        self.assertEqual(response.status_code, 200)
        user = User.objects.get(pk=user.pk)
        self.assertEqual(user.username, 'New username IeWeipee5mahpi4quupo')
        self.assertEqual(user.about_me, 'New profile text Faemahphi3Hilokangei')
        # The user is not allowed to change some other fields (like last_name).
        self.assertNotEqual(user.last_name, 'New name fae1Bu1Eyeis9eRox4xu')


class UserDelete(TestCase):
    """
    Tests delete of users via REST API.
    """
    def test_delete(self):
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        User.objects.create(username='Test name bo3zieT3iefahng0ahqu')

        response = admin_client.delete(reverse('user-detail', args=['2']))

        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
        self.assertFalse(User.objects.filter(username='Test name bo3zieT3iefahng0ahqu').exists())

    def test_delete_yourself(self):
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        # This is the builtin user 'Administrator'. The pk is valid.
        admin_user_pk = 1

        response = admin_client.delete(reverse('user-detail', args=[admin_user_pk]))

        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)


class UserResetPassword(TestCase):
    """
    Tests resetting users password via REST API by a manager.
    """
    def test_reset(self):
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        user = User.objects.create(username='Test name ooMoa4ou4mohn2eo1ree')
        user.default_password = 'new_password_Yuuh8OoQueePahngohy3'
        user.save()
        response = admin_client.post(
            reverse('user-reset-password', args=[user.pk]),
            {'password': 'new_password_Yuuh8OoQueePahngohy3_new'})
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertTrue(User.objects.get(pk=user.pk).check_password(
            'new_password_Yuuh8OoQueePahngohy3_new'))

    """
    Tests whether a random password is set as default and actual password
    if no default password is provided.
    """
    def test_set_random_initial_password(self):
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')

        serializer = UserFullSerializer()
        user = serializer.create({'username': 'Test name 9gt043qwvnj2d0cr'})
        user.save()

        default_password = User.objects.get(pk=user.pk).default_password
        self.assertIsNotNone(default_password)
        self.assertEqual(len(default_password), 8)
        self.assertTrue(User.objects.get(pk=user.pk).check_password(default_password))


class UserMassImport(TestCase):
    """
    Tests mass import of users.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')

    def test_mass_import(self):
        user_1 = {
            'first_name': 'first_name_kafaith3woh3thie7Ciy',
            'last_name': 'last_name_phah0jaeph9ThoongaeL',
            'groups_id': []
        }
        user_2 = {
            'first_name': 'first_name_kohdao7Eibouwee8ma2O',
            'last_name': 'last_name_kafaith3woh3thie7Ciy',
            'groups_id': []
        }
        response = self.client.post(
            reverse('user-mass-import'),
            {'users': [user_1, user_2]},
            format='json')
        self.assertEqual(response.status_code, 200)
        self.assertEqual(User.objects.count(), 3)


class UserSendIntivationEmail(TestCase):
    """
    Tests sending an email to the user.
    """
    email = "admin@test-domain.com"

    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')
        self.admin = User.objects.get()
        self.admin.email = self.email
        self.admin.save()

    def test_email_sending(self):
        data = {
            'user_ids': [self.admin.pk],
            'subject': config['users_email_subject'],
            'message': config['users_email_body']
        }
        response = self.client.post(
            reverse('user-mass-invite-email'),
            data,
            format='json')
        self.assertEqual(response.status_code, 200)
        self.assertEqual(response.data['count'], 1)
        self.assertEqual(len(mail.outbox), 1)
        self.assertEqual(mail.outbox[0].to[0], self.email)


class GroupMetadata(TestCase):
    def test_options_request_as_anonymous_user_activated(self):
        config['general_system_enable_anonymous'] = True

        response = self.client.options('/rest/users/group/')

        self.assertEqual(response.status_code, 200)
        self.assertEqual(response.data['name'], 'Group List')
        perm_list = response.data['actions']['POST']['permissions']['choices']
        self.assertEqual(type(perm_list), list)
        for item in perm_list:
            self.assertEqual(type(item), dict)
            self.assertTrue(item.get('display_name') is not None)
            self.assertTrue(item.get('value') is not None)


class GroupReceive(TestCase):
    def test_get_groups_as_anonymous_deactivated(self):
        """
        Test to get the groups with an anonymous user, when they are deactivated.
        """
        response = self.client.get('/rest/users/group/')

        self.assertEqual(response.status_code, 403)

    def test_get_groups_as_anonymous_user_activated(self):
        """
        Test to get the groups with an anonymous user, when they are activated.
        """
        config['general_system_enable_anonymous'] = True

        response = self.client.get('/rest/users/group/')

        self.assertEqual(response.status_code, 200)

    def test_logged_in_user_with_no_permission(self):
        """
        Test to get the groups with an logged in user with no permissions.
        """
        user = User(username='test')
        user.set_password('test')
        user.save()
        default_group = Group.objects.get(pk=1)
        default_group.permissions.all().delete()
        self.client.login(username='test', password='test')

        response = self.client.get('/rest/users/group/')

        self.assertEqual(response.status_code, 200)


class GroupCreate(TestCase):
    """
    Tests creation of groups via REST API.
    """
    def test_creation(self):
        self.client.login(username='admin', password='admin')
        # This contains two valid permissions of the users app.
        permissions = ('users.can_see_name', 'users.can_see_extra_data')

        response = self.client.post(
            reverse('group-list'),
            {'name': 'Test name la8eephu9vaecheiKeif',
             'permissions': permissions})

        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        group = Group.objects.get(name='Test name la8eephu9vaecheiKeif')
        for permission in permissions:
            app_label, codename = permission.split('.')
            self.assertTrue(group.permissions.get(content_type__app_label=app_label, codename=codename))

    def test_failed_creation_invalid_value(self):
        self.client.login(username='admin', password='admin')
        permissions = ('invalid_permission',)

        response = self.client.post(
            reverse('group-list'),
            {'name': 'Test name ool5aeb6Rai2aiLaith1',
             'permissions': permissions})

        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(
            response.data,
            {'permissions': ['Incorrect value "invalid_permission". Expected app_label.codename string.']})

    def test_failed_creation_invalid_permission(self):
        self.client.login(username='admin', password='admin')
        permissions = ('invalid_app.invalid_permission',)

        response = self.client.post(
            reverse('group-list'),
            {'name': 'Test name wei2go2aiV3eophi9Ohg',
             'permissions': permissions})

        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(
            response.data,
            {'permissions': ['Invalid permission "invalid_app.invalid_permission". Object does not exist.']})


class GroupUpdate(TestCase):
    """
    Tests update of groups via REST API.
    """
    def test_simple_update_via_patch(self):
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        # This is the builtin group 'Delegates'. The pk is valid.
        group_pk = 2
        # This contains one valid permission of the users app.
        permissions = ('users.can_see_name',)

        response = admin_client.patch(
            reverse('group-detail', args=[group_pk]),
            {'permissions': permissions})

        self.assertEqual(response.status_code, status.HTTP_200_OK)
        group = Group.objects.get(pk=group_pk)
        for permission in permissions:
            app_label, codename = permission.split('.')
            self.assertTrue(group.permissions.get(content_type__app_label=app_label, codename=codename))

    def test_simple_update_via_put(self):
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        # This is the builtin group 'Delegates'. The pk is valid.
        group_pk = 2
        # This contains one valid permission of the users app.
        permissions = ('users.can_see_name',)

        response = admin_client.put(
            reverse('group-detail', args=[group_pk]),
            {'permissions': permissions})

        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'name': ['This field is required.']})

    def test_update_via_put_with_new_permissions(self):
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        group = Group.objects.create(name='group_name_inooThe3dii4mahWeeSe')
        # This contains all permissions.
        permissions = [
            'agenda.can_be_speaker',
            'agenda.can_manage',
            'agenda.can_see',
            'agenda.can_see_internal_items',
            'assignments.can_manage',
            'assignments.can_nominate_other',
            'assignments.can_nominate_self',
            'assignments.can_see',
            'core.can_manage_config',
            'core.can_manage_projector',
            'core.can_manage_tags',
            'core.can_manage_chat',
            'core.can_see_frontpage',
            'core.can_see_projector',
            'core.can_use_chat',
            'mediafiles.can_manage',
            'mediafiles.can_see',
            'mediafiles.can_see_hidden',
            'mediafiles.can_upload',
            'motions.can_create',
            'motions.can_manage',
            'motions.can_see',
            'motions.can_support',
            'users.can_manage',
            'users.can_see_extra_data',
            'users.can_see_name',
        ]

        response = admin_client.put(
            reverse('group-detail', args=[group.pk]),
            {'name': 'new_group_name_Chie6duwaepoo8aech7r',
             'permissions': permissions},
            format='json')

        self.assertEqual(response.status_code, status.HTTP_200_OK)
        group = Group.objects.get(pk=group.pk)
        for permission in permissions:
            app_label, codename = permission.split('.')
            self.assertTrue(group.permissions.get(content_type__app_label=app_label, codename=codename))


class GroupDelete(TestCase):
    """
    Tests delete of groups via REST API.
    """
    def test_delete(self):
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        group = Group.objects.create(name='Test name Koh4lohlaewoog9Ahsh5')

        response = admin_client.delete(reverse('group-detail', args=[group.pk]))

        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
        self.assertFalse(Group.objects.filter(name='Test name Koh4lohlaewoog9Ahsh5').exists())

    def test_delete_builtin_groups(self):
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        # The pk of builtin group 'Default'
        group_pk = 1

        response = admin_client.delete(reverse('group-detail', args=[group_pk]))
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)


class PersonalNoteTest(TestCase):
    """
    Tests for PersonalNote model.
    """
    def test_anonymous_without_personal_notes(self):
        admin = User.objects.get(username='admin')
        personal_note = PersonalNote.objects.create(user=admin, notes='["admin_personal_note_OoGh8choro0oosh0roob"]')
        config['general_system_enable_anonymous'] = True
        guest_client = APIClient()
        response = guest_client.get(reverse('personalnote-detail', args=[personal_note.pk]))
        self.assertEqual(response.status_code, 404)

    def test_admin_send_JSON(self):
        admin_client = APIClient()
        admin_client.login(username='admin', password='admin')
        response = admin_client.post(
            reverse('personalnote-list'),
            {
                "notes": {
                    "example-model": {
                        "1": {
                            "note": "note for the example.model with id 1 Oohae1JeuSedooyeeviH",
                            "star": True
                        }
                    }
                }
            },
            format='json'
        )
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)