module MessageBus
  class HTTPClient
    module Configuration
      def self.included(base)
        base.send(:attr_accessor,
          :enable_long_polling,
          :status,
          :enable_chunked_encoding,
          :min_poll_interval,
          :max_poll_interval,
          :background_callback_interval
        )
      end

      # @param enable_long_polling [Boolean] Enable long polling
      # @param enable_chunked_encoding [Boolean] Enable chunk encoding
      # @param min_poll_interval [Float, Integer] Min poll interval when long polling
      # @param max_poll_interval [Float, Integer] Max poll interval when long polling.
      #   When requests fail, the client will backoff and this is the upper limit.
      # @param background_callback_interval [Float, Integer] Interval to poll when
      #   when polling.
      # @param headers [Hash] extra HTTP headers to be set on the polling requests.
      def initialize(_base_url,
                     enable_long_polling: true,
                     enable_chunked_encoding: true,
                     min_poll_interval: 0.1,
                     max_poll_interval: 180,
                     background_callback_interval: 60,
                     headers: {})

        @enable_long_polling = enable_long_polling
        @enable_chunked_encoding = enable_chunked_encoding
        @min_poll_interval = min_poll_interval
        @max_poll_interval = max_poll_interval
        @background_callback_interval = background_callback_interval
        @headers = headers
      end
    end
  end
end