module Backburner
  module Workers
    class Simple < Worker
      # Used to prepare job queues before processing jobs.
      # Setup beanstalk tube_names and watch all specified tubes for jobs.
      #
      # @raise [Beaneater::NotConnected] If beanstalk fails to connect.
      # @example
      #   @worker.prepare
      #
      def prepare
        self.tube_names.map! { |name| expand_tube_name(name)  }.uniq!
        log_info "Working #{tube_names.size} queues: [ #{tube_names.join(', ')} ]"
        self.connection.tubes.watch!(*self.tube_names)
      end

      # Starts processing new jobs indefinitely.
      # Primary way to consume and process jobs in specified tubes.
      #
      # @example
      #   @worker.start
      #
      def start
        prepare
        loop { work_one_job }
      end
    end # Basic
  end # Workers
end # Backburner