#  ============LICENSE_START=======================================================
#  ONAP - SO
#  ================================================================================
#  Copyright (C) 2020 Huawei Technologies Co., Ltd. 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 os
import time
import json
import jsonpath

import conf


def get_log_file(operation):
    return os.path.join(conf.LOGGER_FILE_DIR, "%s.txt" % operation)


def get_download_dir(om_ip):
    return os.path.join(conf.PNF_SIMULATORS_DIR, om_ip, conf.COMMON_PATH, conf.PNF_SW_DOWNLOAD_DIR)


def get_install_dir(om_ip):
    return os.path.join(conf.PNF_SIMULATORS_DIR, om_ip, conf.COMMON_PATH, conf.PNF_SW_INSTALL_DIR)


def get_ne_info_list_from_db(ne_filter):
    with open(conf.NE_INFO_TABLE) as f_ne_info:
        ne_info_table = json.load(f_ne_info)

    if ne_info_table:
        ne_info_list = jsonpath.jsonpath(ne_info_table, ne_filter)
        return ne_info_list if ne_info_list else []
    else:
        return []


def get_ne_info_from_db_by_id(ne_id):
    ne_filter = '$..[?(@.nEIdentification == "%s")]' % ne_id

    ne_info_list = get_ne_info_list_from_db(ne_filter)

    return ne_info_list[0] if ne_info_list else None


def update_ne_info(ne_info):
    with open(conf.NE_INFO_TABLE) as f_ne_info:
        ne_info_table = json.load(f_ne_info)

    ne_info["updateTime"] = time.asctime()

    if ne_info_table:
        for i in range(0, len(ne_info_table)):
            if ne_info_table[i]["nEIdentification"] == ne_info["nEIdentification"]:
                ne_info_table[i] = ne_info
                break
        else:
            ne_info_table.append(ne_info)
    else:
        ne_info_table = [ne_info]

    with open(conf.NE_INFO_TABLE, 'w') as f_ne_info:
        json.dump(ne_info_table, f_ne_info, indent=2)


def send_notification(notification, process_id):
    notification_file = os.path.join(conf.NOTIFICATION_DIR, '%s-%d' % (notification['notificationType'], process_id))

    with open(notification_file, 'w') as f_notification:
        f_notification.write(json.dumps(notification))