class LHC::Retry

def after_response
  response.request.options[:retries] ||= 0
  return unless retry?(response.request)
  response.request.options[:retries] += 1
  current_retry = response.request.options[:retries]
  begin
    response.request.run!
  rescue LHC::Error
    return
  end
  response.request.response if current_retry == response.request.options[:retries]
end

def max(request)
  options(request).is_a?(Hash) ? options(request).fetch(:max, LHC::Retry.max) : LHC::Retry.max
end

def options(request)
  @options ||= request.options.dig(:retry)
end

def retry?(request)
  return false if request.response.success?
  return false if request.error_ignored?
  return false if !request.options.dig(:retry) && !LHC::Retry.all
  request.options[:retries] < max(request)
end