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#
# 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
#
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# distributed under the License is distributed on an "AS IS" BASIS,
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"""Implementation of gcloud genomics variantsets describe.
"""
from googlecloudsdk.api_lib.genomics import genomics_util
from googlecloudsdk.calliope import base


class Describe(base.Command):
  """Gets a variant set by ID.
  """

  @staticmethod
  def Args(parser):
    """Register flags for this command."""
    parser.add_argument('id', help='The ID of the variant set to describe.')

  @genomics_util.ReraiseHttpException
  def Run(self, args):
    """This is what gets called when the user runs this command.

    Args:
      args: an argparse namespace, All the arguments that were provided to this
        command invocation.

    Raises:
      HttpException: An http error response was received while executing api
          request.
    Returns:
      a VariantSet whose id matches args.id.
    """
    apitools_client = genomics_util.GetGenomicsClient()
    genomics_messages = genomics_util.GetGenomicsMessages()

    get_request = genomics_messages.GenomicsVariantsetsGetRequest(
        variantSetId=args.id,)

    return apitools_client.variantsets.Get(get_request)

  def Display(self, args_unused, variantset):
    """This method is called to print the result of the Run() method.

    Args:
      args_unused: The arguments that command was run with.
      variantset: The value returned from the Run() method.
    """
    genomics_util.PrettyPrint(variantset)
