# Copyright 2014 Amazon.com, Inc. or its affiliates. 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. A copy of
# the License is located at
#
#     http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file 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.

from awscli.customizations.commands import BasicCommand
from awscli.customizations.emr import argumentschema
from awscli.customizations.emr import emrutils
from awscli.customizations.emr import helptext
from awscli.customizations.emr import steputils
from awscli.customizations.emr.command import Command


class AddSteps(Command):
    NAME = 'add-steps'
    DESCRIPTION = ('Add a list of steps to a cluster.')
    ARG_TABLE = [
        {'name': 'cluster-id', 'required': True,
         'help_text': helptext.CLUSTER_ID
         },
        {'name': 'steps',
         'required': True,
         'nargs': '+',
         'schema': argumentschema.STEPS_SCHEMA,
         'help_text': helptext.STEPS
         }
    ]

    def _run_main_command(self, parsed_args, parsed_globals):
        parsed_steps = parsed_args.steps
        step_list = steputils.build_step_config_list(
            parsed_step_list=parsed_steps, region=self.region)
        parameters = {
            'JobFlowId': parsed_args.cluster_id,
            'Steps': step_list
        }

        emrutils.call_and_display_response(self._session, 'AddJobFlowSteps',
                                           parameters, parsed_globals)
        return 0
