# frozen_string_literal: true

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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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module Selenium
  module WebDriver
    class BiDi
      # The seam between the generated Protocol layer and the websocket: serializes a
      # command's params, sends it, and parses the reply into its declared type.
      #
      # @api private
      class Transport
        def initialize(connection)
          @connection = connection
        end

        def execute(cmd:, params: nil, result: nil)
          reply = @connection.send_cmd(method: cmd, params: serialize(params))
          raise Error::WebDriverError, error_message(reply) if reply['error']

          value = reply['result']
          result ? result.from_json(value) : value
        end

        private

        def serialize(params)
          params&.as_json || {}
        end

        def error_message(reply)
          "#{reply['error']}: #{reply['message']}\n#{reply['stacktrace']}"
        end
      end # Transport
    end # BiDi
  end # WebDriver
end # Selenium