# Copyright 2016 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.

"""List command for gcloud debug snapshots command group."""

from googlecloudsdk.api_lib.debug import debug
from googlecloudsdk.calliope import base
from googlecloudsdk.core import properties


class Describe(base.DescribeCommand):
  """Describe debug snapshots."""

  detailed_help = {
      'DESCRIPTION': """\
          This command describes debug snapshots for a Cloud Debugger debug
          target. If the snapshot has been completed, the output will include
          details on the stack trace and local variables, stored in a compact
          form which is primarily intended to be machine-readable rather than
          human-readable.
      """
  }

  @staticmethod
  def Args(parser):
    parser.add_argument(
        'id_or_location_regexp', metavar='(ID|LOCATION-REGEXP)', nargs='+',
        help="""\
            One or more snapshot IDs, resource identifiers, or regular
            expressions to match against snapshot locations. Only snapshots
            matching one or more of these values will be described.
        """)

  def Run(self, args):
    """Run the describe command."""
    project_id = properties.VALUES.core.project.Get(required=True)
    self.user_email = properties.VALUES.core.account.Get(required=True)
    debugger = debug.Debugger(project_id)
    debuggee = debugger.FindDebuggee(args.target)
    return debuggee.ListBreakpoints(args.id_or_location_regexp,
                                    restrict_to_type=debugger.SNAPSHOT_TYPE)

  def Collection(self):
    return 'debug.snapshots'

  def Format(self, unused_args):
    return 'yaml'
