# Copyright 2017 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.
"""Command to disable billing."""
from __future__ import absolute_import
from __future__ import unicode_literals
from googlecloudsdk.api_lib.billing import billing_client
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.billing import flags
from googlecloudsdk.command_lib.billing import utils


class Unlink(base.Command):
  """Unlink the account (if any) linked with a project."""
  detailed_help = {
      'DESCRIPTION': """\
          This command unlinks a project from its linked billing
          account. This disables billing on the project.
          """,
      'EXAMPLES': """\
          To unlink the project `my-project` from its linked billing account,
          run:

            $ {command} my-project
          """
  }

  @staticmethod
  def Args(parser):
    flags.GetProjectIdArgument().AddToParser(parser)

  def Run(self, args):
    client = billing_client.ProjectsClient()
    project_ref = utils.ParseProject(args.project_id)
    return client.Link(project_ref, None)
