# -*- coding: utf-8 -*- #
# 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.
"""Surface for creating an App Engine domain mapping."""

from __future__ import absolute_import
from __future__ import division
from __future__ import unicode_literals

from googlecloudsdk.api_lib.app.api import appengine_domains_api_client as api_client
from googlecloudsdk.calliope import base
from googlecloudsdk.command_lib.app import domains_util
from googlecloudsdk.command_lib.app import flags
from googlecloudsdk.core import log


class Create(base.CreateCommand):
  """Creates a domain mapping."""

  detailed_help = {
      'DESCRIPTION':
          '{description}',
      'EXAMPLES':
          """\
          To create a new App Engine domain mapping with an automatically
          managed certificate, run:

              $ {command} 'example.com'

          Note: managed certificates do not support wildcard domain mappings.

          To create a domain with a manual certificate, run:

              $ {command} '*.example.com' \
                  --certificate-management=manual --certificate-id=1234

          To create a domain with no associated certificate, run:

              $ {command} '*.example.com' \
                  --certificate-management=manual
          """,
  }

  @staticmethod
  def Args(parser):
    flags.DOMAIN_FLAG.AddToParser(parser)
    flags.AddCertificateIdFlag(parser, include_no_cert=False)
    parser.display_info.AddFormat('default(id, resourceRecords)')
    flags.AddCertificateManagementFlag(parser)

  def Run(self, args):
    return self.Create(args)

  def Create(self, args):
    client = api_client.GetApiClientForTrack(self.ReleaseTrack())

    domains_util.ValidateCertificateArgs(args.certificate_id,
                                         args.certificate_management)

    if not args.certificate_management:
      if not args.certificate_id:
        args.certificate_management = 'automatic'
      else:
        args.certificate_management = 'manual'

    management_type = domains_util.ParseCertificateManagement(
        client.messages, args.certificate_management)

    mapping = client.CreateDomainMapping(args.domain, args.certificate_id,
                                         management_type)

    log.CreatedResource(args.domain)

    log.status.Print(
        'Please add the following entries to your domain registrar.'
        ' DNS changes can require up to 24 hours to take effect.')
    return mapping
