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 ...common_groups import GROUP_DEFAULT_PK, GROUP_DELEGATE_PK, GROUP_STAFF_PK
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=f"user{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=f"group{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")
        group_pks = (GROUP_DELEGATE_PK, GROUP_STAFF_PK)

        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")
        group_pk = (GROUP_DEFAULT_PK,)

        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=GROUP_DEFAULT_PK)
        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")
        group_pk = GROUP_DELEGATE_PK
        # 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 contains one valid permission of the users app.
        permissions = ("users.can_see_name",)

        response = admin_client.put(
            reverse("group-detail", args=[GROUP_DELEGATE_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_see_frontpage",
            "core.can_see_projector",
            "mediafiles.can_manage",
            "mediafiles.can_see",
            "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
                )
            )

    def test_set_single_permission(self):
        admin_client = APIClient()
        admin_client.login(username="admin", password="admin")

        response = admin_client.post(
            reverse("group-set-permission", args=[GROUP_DEFAULT_PK]),
            {"perm": "users.can_manage", "set": True},
            format="json",
        )

        self.assertEqual(response.status_code, status.HTTP_200_OK)
        group = Group.objects.get(pk=GROUP_DEFAULT_PK)
        self.assertTrue(
            group.permissions.get(
                content_type__app_label="users", codename="can_manage"
            )
        )

    def test_add_single_permission_wrong_permission(self):
        admin_client = APIClient()
        admin_client.login(username="admin", password="admin")

        response = admin_client.post(
            reverse("group-set-permission", args=[GROUP_DEFAULT_PK]),
            {"perm": "not_existing.permission", "set": True},
            format="json",
        )

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

    def test_remove_single_permission(self):
        admin_client = APIClient()
        admin_client.login(username="admin", password="admin")

        response = admin_client.post(
            reverse("group-set-permission", args=[GROUP_DEFAULT_PK]),
            {"perm": "users.can_see_name", "set": False},
            format="json",
        )

        self.assertEqual(response.status_code, status.HTTP_200_OK)
        group = Group.objects.get(pk=GROUP_DEFAULT_PK)
        self.assertFalse(
            group.permissions.filter(
                content_type__app_label="users", codename="can_see"
            ).exists()
        )


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")

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


class PersonalNoteTest(TestCase):
    """
    Tests for PersonalNote model.
    """

    def setUp(self):
        self.admin = User.objects.get(username="admin")

    def test_anonymous_without_personal_notes(self):
        personal_note = PersonalNote.objects.create(
            user=self.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_create(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)

    def test_anonymous_create(self):
        guest_client = APIClient()
        response = guest_client.post(
            reverse("personalnote-list"), {"notes": {}}, format="json"
        )
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
        self.assertFalse(PersonalNote.objects.exists())

    def test_create_twice(self):
        admin_client = APIClient()
        admin_client.login(username="admin", password="admin")
        response = admin_client.post(
            reverse("personalnote-list"), {"notes": {}}, format="json"
        )
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        response = admin_client.post(
            reverse("personalnote-list"), {"notes": {}}, format="json"
        )
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)

    def test_update(self):
        admin_client = APIClient()
        admin_client.login(username="admin", password="admin")
        personal_note = PersonalNote.objects.create(
            user=self.admin, notes="test_note_ld3mo1xjcnKNC(836qWe"
        )
        response = admin_client.put(
            reverse("personalnote-detail", args=[personal_note.pk]),
            {"notes": "test_note_do2ncoi7ci2fm93LjwlO"},
            format="json",
        )
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(
            PersonalNote.objects.get().notes, "test_note_do2ncoi7ci2fm93LjwlO"
        )

    def test_update_other_user(self):
        user = User.objects.create(username="user")
        admin_client = APIClient()
        admin_client.login(username="admin", password="admin")
        personal_note = PersonalNote.objects.create(
            user=user, notes="test_note_fof3joqmcufh32fn(/2f"
        )
        response = admin_client.put(
            reverse("personalnote-detail", args=[personal_note.pk]),
            {"notes": "test_note_1qowuddm3d8mF8h29fwI"},
            format="json",
        )
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
        self.assertEqual(
            PersonalNote.objects.get().notes, "test_note_fof3joqmcufh32fn(/2f"
        )