module Elasticsearch
  module XPack
    module API
      module MachineLearning
        module Actions

          # Retrieve job results for one or more buckets
          #
          # @option arguments [String] :job_id ID of the job to get bucket results from (*Required*)
          # @option arguments [String] :timestamp The timestamp of the desired single bucket result
          # @option arguments [Hash] :body Bucket selection details if not provided in URI
          # @option arguments [Boolean] :expand Include anomaly records
          # @option arguments [Boolean] :exclude_interim Exclude interim results
          # @option arguments [Int] :from skips a number of buckets
          # @option arguments [Int] :size specifies a max number of buckets to get
          # @option arguments [String] :start Start time filter for buckets
          # @option arguments [String] :end End time filter for buckets
          # @option arguments [Double] :anomaly_score Filter for the most anomalous buckets
          # @option arguments [String] :sort Sort buckets by a particular field
          # @option arguments [Boolean] :desc Set the sort direction
          #
          # @see http://www.elastic.co/guide/en/elasticsearch/reference/current/ml-get-bucket.html
          #
          def get_buckets(arguments={})
            raise ArgumentError, "Required argument 'job_id' missing" unless arguments[:job_id]
            valid_params = [
              :timestamp,
              :expand,
              :exclude_interim,
              :from,
              :size,
              :start,
              :end,
              :anomaly_score,
              :sort,
              :desc ]
            method = Elasticsearch::API::HTTP_GET
            path   = Elasticsearch::API::Utils.__pathify "_xpack/ml/anomaly_detectors", arguments[:job_id], "results/buckets", arguments[:timestamp]
            params = Elasticsearch::API::Utils.__validate_and_extract_params arguments, valid_params
            body   = arguments[:body]

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