#!/usr/bin/python3
#  ============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 sys
import argparse
import json

import conf
import download_n_e_sw
import install_n_e_sw


def main():
    parser = argparse.ArgumentParser()

    parser.add_argument("--swToBeDownloaded", help="The NE software to be downloaded", required=True)
    parser.add_argument("--neIdentifier", help="The NE where the software can be downloaded", required=True)

    args = parser.parse_args()

    sw_to_be_downloaded = json.loads(args.swToBeDownloaded)

    all_installed_ne_sw_list = []
    all_failed_sw_info = []

    download_notification, download_ret_value = download_n_e_sw.download(sw_to_be_downloaded, args.neIdentifier)

    downloaded_ne_sw_list = download_notification.get("downloadedNESwInfo", [])
    failed_downloaded_sw_list = download_notification.get("failedSwInfo", [])
    all_failed_sw_info.extend(failed_downloaded_sw_list)

    for downloaded_ne_sw in downloaded_ne_sw_list:
        install_notification, _ = install_n_e_sw.install(downloaded_ne_sw, args.neIdentifier)
        installed_ne_sw_list = install_notification.get("installedNESwInfo", [])
        failed_installed_sw_list = install_notification.get("failedSwInfo", [])

        all_installed_ne_sw_list.extend(installed_ne_sw_list)
        all_failed_sw_info.extend(failed_installed_sw_list)

    num_all_installed_ne_sw_list = len(all_installed_ne_sw_list)
    num_sw_to_be_downloaded = len(sw_to_be_downloaded)

    if num_all_installed_ne_sw_list == num_sw_to_be_downloaded:
        download_ret_value["result"] = conf.REQ_SUCCESS
    else:
        download_ret_value["result"] = conf.REQ_FAILURE
        download_ret_value["reason"] = "Failed downloaded or installed SW: %s" % json.dumps(all_failed_sw_info)

    print(json.dumps(download_ret_value))

    if download_ret_value["result"] == conf.REQ_SUCCESS:
        sys.exit(conf.RET_CODE_SUCCESS)
    else:
        sys.exit(conf.RET_CODE_FAILURE)


if __name__ == '__main__':
    main()