# 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.enums import AttributeType
from kmip.core.enums import CredentialType
from kmip.core.enums import CryptographicAlgorithm
from kmip.core.enums import CryptographicUsageMask
from kmip.core.enums import KeyFormatType
from kmip.core.enums import ObjectType

from kmip.core.factories.attributes import AttributeFactory
from kmip.core.factories.credentials import CredentialFactory
from kmip.core.factories.secrets import SecretFactory

from kmip.core.objects import TemplateAttribute

from kmip.services.kmip_client import KMIPProxy

import logging
import os

if __name__ == '__main__':
    f_log = os.path.join(os.path.dirname(__file__), '..', 'logconfig.ini')
    logging.config.fileConfig(f_log)
    logger = logging.getLogger(__name__)

    attribute_factory = AttributeFactory()
    credential_factory = CredentialFactory()
    secret_factory = SecretFactory()

    credential_type = CredentialType.USERNAME_AND_PASSWORD
    credential_value = {'Username': 'Peter', 'Password': 'abc123'}
    credential = credential_factory.create_credential(credential_type,
                                                      credential_value)
    client = KMIPProxy()
    client.open()

    object_type = ObjectType.SYMMETRIC_KEY
    algorithm_value = CryptographicAlgorithm.AES

    mask_flags = [CryptographicUsageMask.ENCRYPT,
                  CryptographicUsageMask.DECRYPT]
    attribute_type = AttributeType.CRYPTOGRAPHIC_USAGE_MASK
    usage_mask = attribute_factory.create_attribute(attribute_type,
                                                    mask_flags)
    attributes = [usage_mask]
    template_attribute = TemplateAttribute(attributes=attributes)

    secret_features = {}

    key_format_type = KeyFormatType.RAW
    secret_features.update([('key_format_type', key_format_type)])

    # TODO (peter-hamilton) Replace with calls to crypto libraries
    key_data = {'bytes': bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00'
                                   b'\x00\x00\x00\x00\x00\x00\x00\x00')}

    secret_features.update([('key_value', key_data)])
    secret_features.update([('cryptographic_algorithm', algorithm_value)])
    secret_features.update([('cryptographic_length', 128)])

    secret = secret_factory.create(object_type, secret_features)

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

    logger.debug('register() result status: {0}'.format(
        result.result_status.enum))
    logger.debug('registered UUID: {0}'.format(result.uuid.value))
    logger.debug('registered template attribute: {0}'.
                 format(result.template_attribute))