from unittest.mock import Mock, patch

import pytest
from django.contrib.auth import get_user_model

from ...conf.test import override_dynamic_settings
from ..exceptions import OAuth2UserDataValidationError
from ..models import Subject
from ..user import get_user_from_data

User = get_user_model()


def test_activated_user_is_created_from_valid_data(db, dynamic_settings):
    user, created = get_user_from_data(
        Mock(settings=dynamic_settings, user_ip="83.0.0.1"),
        {
            "id": "1234",
            "name": "NewUser",
            "email": "user@example.com",
            "avatar": None,
        },
    )

    assert created
    assert user.id
    assert user.username == "NewUser"
    assert user.slug == "newuser"
    assert user.email == "user@example.com"
    assert user.requires_activation == User.ACTIVATION_NONE

    user_by_name = User.objects.get_by_username("NewUser")
    assert user_by_name.id == user.id

    user_by_email = User.objects.get_by_email("user@example.com")
    assert user_by_email.id == user.id


def test_user_subject_is_created_from_valid_data(db, dynamic_settings):
    user, created = get_user_from_data(
        Mock(settings=dynamic_settings, user_ip="83.0.0.1"),
        {
            "id": "1234",
            "name": "NewUser",
            "email": "user@example.com",
            "avatar": None,
        },
    )

    assert created
    assert user

    user_subject = Subject.objects.get(sub="1234")
    assert user_subject.user_id == user.id


def test_user_is_created_with_avatar_from_valid_data(db, dynamic_settings):
    user, created = get_user_from_data(
        Mock(settings=dynamic_settings, user_ip="83.0.0.1"),
        {
            "id": "1234",
            "name": "NewUser",
            "email": "user@example.com",
            "avatar": "https://placekitten.com/600/500",
        },
    )

    assert created
    assert user
    assert user.avatars
    assert user.avatar_set.exists()


@override_dynamic_settings(account_activation="admin")
def test_user_is_created_with_admin_activation_from_valid_data(db, dynamic_settings):
    user, created = get_user_from_data(
        Mock(settings=dynamic_settings, user_ip="83.0.0.1"),
        {
            "id": "1234",
            "name": "NewUser",
            "email": "user@example.com",
            "avatar": None,
        },
    )

    assert created
    assert user
    assert user.requires_activation == User.ACTIVATION_ADMIN


def user_noop_filter(*args):
    pass


def test_user_name_conflict_during_creation_from_valid_data_is_handled(
    user, dynamic_settings
):
    with pytest.raises(OAuth2UserDataValidationError) as excinfo:
        # Custom filters disable build in filters
        with patch(
            "misago.oauth2.validation.oauth2_user_data_filters",
            [user_noop_filter],
        ):
            get_user_from_data(
                Mock(settings=dynamic_settings, user_ip="83.0.0.1"),
                {
                    "id": "1234",
                    "name": user.username,
                    "email": "test@example.com",
                    "avatar": None,
                },
            )

    assert excinfo.value.error_list == ["This username is not available."]


def test_user_email_conflict_during_creation_from_valid_data_is_handled(
    user, dynamic_settings
):
    with pytest.raises(OAuth2UserDataValidationError) as excinfo:
        get_user_from_data(
            Mock(settings=dynamic_settings, user_ip="83.0.0.1"),
            {
                "id": "1234",
                "name": "NewUser",
                "email": user.email,
                "avatar": None,
            },
        )

    assert excinfo.value.error_list == ["This e-mail address is not available."]