# Copyright 2013 Eucalyptus Systems, Inc.
#
# Redistribution and use of this software in source and binary forms,
# with or without modification, are permitted provided that the following
# conditions are met:
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#   Redistributions of source code must retain the above copyright notice,
#   this list of conditions and the following disclaimer.
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#   Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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from euca2ools.commands.autoscaling import AutoScalingRequest
from requestbuilder import Arg
from requestbuilder.mixins import TabifyingMixin
from requestbuilder.response import PaginatedResponse


class DescribeNotificationConfigurations(AutoScalingRequest, TabifyingMixin):
    DESCRIPTION = ('Describe notification actions associated with '
                   'auto-scaling groups')
    ARGS = [Arg('AutoScalingGroupNames.member', metavar='ASGROUP',
                nargs='*',
                help='limit results to specific auto-scaling groups')]
    LIST_TAGS = ['NotificationConfigurations']

    def main(self):
        return PaginatedResponse(self, (None,),
                                 ('NotificationConfigurations',))

    def prepare_for_page(self, page):
        # Pages are defined by NextToken
        self.params['NextToken'] = page

    def get_next_page(self, response):
        return response.get('NextToken') or None

    def print_result(self, result):
        for config in result.get('NotificationConfigurations', []):
            print self.tabify(('NOTIFICATION-CONFIG',
                               config.get('AutoScalingGroupName'),
                               config.get('TopicARN'),
                               config.get('NotificationType')))
