module AWS::Core::Client::QueryJSON

def self.extended base
  base.send(:include, ErrorParser)
  base.send(:define_client_methods)
end

def define_client_method method_name, operation
  add_client_request_method(method_name) do
    configure_request do |request, options|
      parser = self.class.option_parsers[method_name]
      x_amz_target = self.class::TARGET_PREFIX + operation
      request.headers["content-type"] = "application/x-amz-json-1.0"
      request.headers["x-amz-target"] = x_amz_target
      request.body = parser.to_json(options)
    end
    process_response do |response|
      response_body = response.http_response.body
      response_body = "{}" if response_body == ""
      data = JSON.load(response_body)
      MetaUtils.extend_method(response, :data) { data }
    end
    simulate_response do |response|
      data = {}
      MetaUtils.extend_method(response, :data) { data }
    end
  end
end

def define_client_methods
  api_config[:operations].each do |op|
    method_name = op[:method]
    option_parsers[method_name] = OptionGrammar.customize(op[:inputs])
  end
end

def option_parsers
  @option_parsers ||= {}
end