# frozen_string_literal: false

module SplitIoClient
  module Engine
    BACKOFF_MAX_ALLOWED = 1.8
    class BackOff
      def initialize(back_off_base, attempt = 0, max_allowed = BACKOFF_MAX_ALLOWED)
        @attempt = attempt
        @back_off_base = back_off_base
        @max_allowed = max_allowed
      end

      def interval
        interval = 0
        interval = (@back_off_base * (2**@attempt)) if @attempt.positive?
        @attempt += 1

        interval >= @max_allowed ? @max_allowed : interval
      end

      def reset
        @attempt = 0
      end
    end
  end
end