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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 Security
      module Actions
        # Retrieves information about users in the native realm and built-in users.
        #
        # @option arguments [List] :username A comma-separated list of usernames
        # @option arguments [Hash] :headers Custom HTTP headers
        #
        # @see https://www.elastic.co/guide/en/elasticsearch/reference/current/security-api-get-user.html
        #
        def get_user(arguments = {})
          headers = arguments.delete(:headers) || {}

          body = nil

          arguments = arguments.clone

          _username = arguments.delete(:username)

          method = Elasticsearch::API::HTTP_GET
          path   = if _username
                     "_security/user/#{Utils.__listify(_username)}"
                   else
                     "_security/user"
                   end
          params = {}

          if Array(arguments[:ignore]).include?(404)
            Utils.__rescue_from_not_found { perform_request(method, path, params, body, headers).body }
          else
            perform_request(method, path, params, body, headers).body
          end
        end
      end
    end
  end
end
