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# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you 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.

module Elasticsearch
  module API
    module Indices
      module Actions

        # Retrieve information about one or more indices
        #
        # @option arguments [List] :index A comma-separated list of index names (*Required*)
        # @option arguments [Boolean] :include_type_name Whether to add the type name to the response (default: false)
        # @option arguments [Boolean] :local Return local information, do not retrieve the state from master node (default: false)
        # @option arguments [Boolean] :ignore_unavailable Ignore unavailable indexes (default: false)
        # @option arguments [Boolean] :allow_no_indices Ignore if a wildcard expression resolves to no concrete indices (default: false)
        # @option arguments [String] :expand_wildcards Whether wildcard expressions should get expanded to open or closed indices (default: open) (options: open, closed, none, all)
        # @option arguments [Boolean] :flat_settings Return settings in flat format (default: false)
        # @option arguments [Boolean] :include_defaults Whether to return all default setting for each of the indices.
        # @option arguments [Time] :master_timeout Specify timeout for connection to master
        #
        # @see http://www.elasticsearch.org/guide/en/elasticsearch/reference/master/indices-get-index.html
        #
        def get(arguments={})
          raise ArgumentError, "Required argument 'index' missing" unless arguments[:index]
          method = HTTP_GET

          path   = Utils.__pathify Utils.__listify(arguments[:index]), Utils.__listify(arguments.delete(:feature))

          params = Utils.__validate_and_extract_params arguments, ParamsRegistry.get(__method__)
          body = nil

          perform_request(method, path, params, body).body
        end

        # Register this action with its valid params when the module is loaded.
        #
        # @since 6.1.1
        ParamsRegistry.register(:get, [
            :include_type_name,
            :local,
            :ignore_unavailable,
            :allow_no_indices,
            :expand_wildcards,
            :flat_settings,
            :include_defaults,
            :master_timeout  ].freeze)
      end
    end
  end
end