# 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 datetime, json, logging
from sqlalchemy import delete
#from sqlalchemy.dialects import postgresql
from sqlalchemy.dialects.postgresql import insert
from sqlalchemy.orm import Session
from typing import Dict, List, Optional, Set
from common.proto.context_pb2 import Component
from common.proto.context_pb2 import ConfigRule
from common.tools.grpc.Tools import grpc_message_to_json_string
from .models.ComponentModel import ComponentModel
from .uuids._Builder import get_uuid_from_string
from .uuids.EndPoint import endpoint_get_uuid
from sqlalchemy.engine import Engine
from sqlalchemy.orm import Session, selectinload, sessionmaker
from sqlalchemy_cockroachdb import run_transaction
from .models.ComponentModel import ComponentModel

LOGGER = logging.getLogger(__name__)

def compose_components_data(
    components : List[Component], now : datetime.datetime,
    device_uuid : Optional[str] = None, service_uuid : Optional[str] = None, slice_uuid : Optional[str] = None
) -> List[Dict]:
    dict_components : List[Dict] = list()
    for position,component in enumerate(components):
        str_kind = component.WhichOneof('config_rule')
        message = (grpc_message_to_json_string(getattr(component, str_kind, {})))
        data = json.loads(message)
        resource_key = data["resource_key"]
        resource_value = data["resource_value"]
        if '/inventory' in resource_key:
            resource_value_data = json.loads(resource_value)
            name = resource_value_data.get('name')
            type = resource_value_data.get('class')
            uuid = resource_value_data.get('uuid')

            if name is not None:
                del resource_value_data['name']
            if type is not None:
                del resource_value_data['class']
            if uuid is not None:
                del resource_value_data['uuid']

            attributes = resource_value_data  #Store the remaining fields in 'attributes'

            dict_component = {
                'name'      : name,
                'type'      : type,
                'attributes' : attributes,
                'created_at': now,
                'updated_at': now,
            }

            dict_component['device_uuid'] = device_uuid
            component_name = '{:s}:{:s}:{:s}'.format('device', 'custom', component.custom.resource_key)
            
            
            component_uuid = get_uuid_from_string(component_name, prefix_for_name=device_uuid)
            dict_component['component_uuid'] = component_uuid

            dict_components.append(dict_component)
        else:
            continue

    return dict_components