# Copyright (c) 2014 The Johns Hopkins University/Applied Physics Laboratory
# 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.

from kmip.core import enums
from kmip.core.enums import KeyFormatType
from kmip.core.enums import ObjectType
from kmip.core.enums import Operation
from kmip.core.enums import ResultStatus

from kmip.core.factories.attributes import AttributeFactory
from kmip.core.objects import TemplateAttribute

from kmip.demos import utils

from kmip.services.kmip_client import KMIPProxy

import logging
import sys


if __name__ == '__main__':
    logger = utils.build_console_logger(logging.INFO)

    parser = utils.build_cli_parser(Operation.REGISTER)
    opts, args = parser.parse_args(sys.argv[1:])

    username = opts.username
    password = opts.password
    config = opts.config
    object_type = opts.type
    format_type = opts.format

    # Exit early if the arguments are not specified
    object_type = getattr(ObjectType, object_type, None)
    if object_type is None:
        logger.error("Invalid object type specified; exiting early from demo")
        sys.exit()

    key_format_type = getattr(KeyFormatType, format_type, None)
    if key_format_type is None:
        logger.error(
            "Invalid key format type specified; exiting early from demo")

    attribute_factory = AttributeFactory()

    # Create the template attribute for the secret and then build the secret
    usage_mask = utils.build_cryptographic_usage_mask(logger, object_type)
    attributes = [usage_mask]

    if opts.operation_policy_name is not None:
        opn = attribute_factory.create_attribute(
            enums.AttributeType.OPERATION_POLICY_NAME,
            opts.operation_policy_name
        )
        attributes.append(opn)

    template_attribute = TemplateAttribute(attributes=attributes)

    secret = utils.build_object(logger, object_type, key_format_type)

    # Build the client, connect to the server, register the secret, and
    # disconnect from the server
    client = KMIPProxy(config=config)

    client.open()
    result = client.register(object_type, template_attribute, secret)
    client.close()

    # Display operation results
    logger.info('register() result status: {0}'.format(
        result.result_status.value))

    if result.result_status.value == ResultStatus.SUCCESS:
        logger.info('registered UUID: {0}'.format(result.uuid.value))
        logger.info('registered template attribute: {0}'.
                    format(result.template_attribute))
    else:
        logger.info('register() result reason: {0}'.format(
            result.result_reason.value))
        logger.info('register() result message: {0}'.format(
            result.result_message.value))