# frozen_string_literal: true

module Aws
  module Plugins
    # @api private
    class APIGUserAgent < Seahorse::Client::Plugin

      option(:user_agent_suffix)

      # @api private
      class Handler < Seahorse::Client::Handler

        def call(context)
          set_user_agent(context)
          @handler.call(context)
        end

        def set_user_agent(context)
          ua = "aws-apig-ruby/#{CORE_GEM_VERSION}"

          begin
            ua += " #{RUBY_ENGINE}/#{RUBY_VERSION}"
          rescue
            ua += " RUBY_ENGINE_NA/#{RUBY_VERSION}"
          end

          ua += " #{RUBY_PLATFORM}"
          ua += " #{context.config.user_agent_suffix}" if context.config.user_agent_suffix

          context.http_request.headers['User-Agent'] = ua.strip
        end

      end

      handler(Handler)

    end
  end
end