"""
Copyright (c) 2021, VRAI Labs and/or its affiliates. All rights reserved.

This software is licensed under the Apache License, Version 2.0 (the
"License") as published by the Apache Software Foundation.

You may not use this file except in compliance with the License. You may
obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations
under the License.
"""
from functools import wraps
from typing import Union

from supertokens_python import Supertokens
from supertokens_python.exceptions import SuperTokensError
from supertokens_python.framework.django.django_request import DjangoRequest
from supertokens_python.framework.django.django_response import DjangoResponse
from supertokens_python.recipe.session import SessionRecipe


def verify_session(
        anti_csrf_check: Union[bool, None] = None, session_required: bool = True):
    def session_verify(f):
        @wraps(f)
        async def wrapped_function(request, *args, **kwargs):
            from django.http import HttpResponse
            try:
                request = DjangoRequest(request)
                recipe = SessionRecipe.get_instance()
                session = await recipe.verify_session(request, anti_csrf_check, session_required)
                request.set_session(session)
                return f(request.request, *args, **kwargs)
            except SuperTokensError as e:
                response = DjangoResponse(HttpResponse())
                result = await Supertokens.get_instance().handle_supertokens_error(DjangoRequest(request), e, response)
                return result.response

        return wrapped_function

    return session_verify
