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# 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 MachineLearning
      module Actions
        # Deletes a model alias that refers to the trained model
        #
        # @option arguments [String] :model_alias The trained model alias to delete
        # @option arguments [String] :model_id The trained model where the model alias is assigned
        # @option arguments [Hash] :headers Custom HTTP headers
        #
        # @see https://www.elastic.co/guide/en/elasticsearch/reference/8.2/delete-trained-models-aliases.html
        #
        def delete_trained_model_alias(arguments = {})
          raise ArgumentError, "Required argument 'model_id' missing" unless arguments[:model_id]
          raise ArgumentError, "Required argument 'model_alias' missing" unless arguments[:model_alias]

          arguments = arguments.clone
          headers = arguments.delete(:headers) || {}

          body = nil

          _model_alias = arguments.delete(:model_alias)

          _model_id = arguments.delete(:model_id)

          method = Elasticsearch::API::HTTP_DELETE
          path   = "_ml/trained_models/#{Utils.__listify(_model_id)}/model_aliases/#{Utils.__listify(_model_alias)}"
          params = {}

          Elasticsearch::API::Response.new(
            perform_request(method, path, params, body, headers)
          )
        end
      end
    end
  end
end