#  ============LICENSE_START=======================================================
#  Copyright (C) 2020 Huawei Technologies Co., Ltd. All rights reserved.
#  Contribution (C) 2022 Aarna Networks, Inc. All rights reserved.
#  ================================================================================
#  Licensed under the Apache License, Version 2.0 (the "License");
#  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.
#  ============LICENSE_END=========================================================

import uuid

from .utils import getLogger


logger = getLogger("NssManager")


class NssError(ValueError):
    pass


def allocateNssi(requestBody):
    sliceProfile = requestBody["attributeListIn"]
    sliceProfileId = sliceProfile["sliceProfileId"]

    nSSId = uuid.uuid4().hex

    responseBody = {
        "attributeListOut": {},
        "href": nSSId
    }

    logger.info("Allocate NSSI for sliceProfileId %s success, nSSId: %s" % (sliceProfileId, nSSId))
    return responseBody


def deallocateNssi(sliceProfileId, requestBody):
    nSSId = requestBody["nSSId"]

    logger.info("Deallocate NSSI for sliceProfileId %s success, nSSId: %s" % (sliceProfileId, nSSId))
    return ""

def activateNssi(snssai, requestBody):
    """
        Method: activateNssi
            This method is internal and invoked from handleActivateNssi()
            callflow. As part of this, it logs the activate snssai, nssiId
            values from incoming request.
        Arguments: snssai, requestBody
            snssai represents below:
                'sst': Identifies the service (e.g eMBB, URLLC,...)
                'sd' : service differentiator within sst.
            requestBody: Incoming http request payload.
        Return value: ''
    """
    nssiId = requestBody["nssiId"]
    #nsiId  = requestBody["nsiId"]

    logger.info("Activate NSSI for snssai %s successful, nssiId: %s" % (snssai, nssiId))
    return ""

def deactivateNssi(snssai, requestBody):
    """
        Method: deactivateNssi
            This method is internal and invoked from handleDeActivateNssi()
            callflow. As part of this, it logs the deactivate snssai, nssiId
            values from incoming request.
        Argument: snssai, requestBody
            snssai represents below:
                'sst': Identifies the service (e.g eMBB, URLLC,...)
                'sd' : service differentiator within sst.
            requestBody: Incoming http request payload.
        Return value: ''
    """
    nssiId = requestBody["nssiId"]
    #nsiId  = requestBody["nsiId"]

    logger.info("DeActivate NSSI for snssai %s successful, nssiId: %s" % (snssai, nssiId))
    return ""