# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
#
# 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.

import grpc, logging
from common.method_wrappers.Decorator import MetricsPool, safe_and_metered_rpc_method
from common.proto.forecaster_pb2 import (
    ForecastLinkCapacityReply, ForecastLinkCapacityRequest,
    ForecastTopologyCapacityReply, ForecastTopologyCapacityRequest
)
from common.proto.forecaster_pb2_grpc import ForecasterServiceServicer
from common.tools.grpc.Tools import grpc_message_to_json_string
from context.client.ContextClient import ContextClient

LOGGER = logging.getLogger(__name__)

METRICS_POOL = MetricsPool('Forecaster', 'RPC')

class ForecasterServiceServicerImpl(ForecasterServiceServicer):
    def __init__(self) -> None:
        LOGGER.debug('Creating Servicer...')
        LOGGER.debug('Servicer Created')

    @safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
    def ForecastLinkCapacity(
        self, request : ForecastLinkCapacityRequest, context : grpc.ServicerContext
    ) -> ForecastLinkCapacityReply:
        return ForecastLinkCapacityReply()

    @safe_and_metered_rpc_method(METRICS_POOL, LOGGER)
    def ForecastTopologyCapacity(
        self, request : ForecastTopologyCapacityRequest, context : grpc.ServicerContext
    ) -> ForecastTopologyCapacityReply:
        return ForecastTopologyCapacityReply()