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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
        # Deletes an alias.
        #
        # @option arguments [List] :index A comma-separated list of index names (supports wildcards); use `_all` for all indices
        # @option arguments [List] :name A comma-separated list of aliases to delete (supports wildcards); use `_all` to delete all aliases for the specified indices.
        # @option arguments [Time] :timeout Explicit timestamp for the document
        # @option arguments [Time] :master_timeout Specify timeout for connection to master
        # @option arguments [Hash] :headers Custom HTTP headers
        #
        # @see https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-aliases.html
        #
        def delete_alias(arguments = {})
          raise ArgumentError, "Required argument 'index' missing" unless arguments[:index]
          raise ArgumentError, "Required argument 'name' missing" unless arguments[:name]

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

          body = nil

          arguments = arguments.clone

          _index = arguments.delete(:index)

          _name = arguments.delete(:name)

          method = Elasticsearch::API::HTTP_DELETE
          path   = if _index && _name
                     "#{Utils.__listify(_index)}/_aliases/#{Utils.__listify(_name)}"
                   end
          params = Utils.process_params(arguments)

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