# Copyright 2015 Google Inc. 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.
"""Code that's shared between multiple networks subcommands."""


def _GetNetworkMode(network):
  """Takes a network resource and returns the "mode" of the network."""
  if network.get('IPv4Range', None) is not None:
    return 'legacy'
  if network.get('autoCreateSubnetworks', False):
    return 'auto'
  else:
    return 'custom'


def AddMode(items):
  for resource in items:
    resource['x_gcloud_mode'] = _GetNetworkMode(resource)
    yield resource
