# frozen_string_literal: true

class LHC::CacheScrubber < LHC::Scrubber
  def initialize(data)
    super(data)
    scrub_cache_options!
  end

  private

  def scrub_cache_options!
    return if scrubbed.blank?
    return if scrub_elements.blank?

    scrub_cache_key!
  end

  def scrub_cache_key!
    return if scrubbed[:key].blank?

    scrub_elements.each do |scrub_element|
      matches = scrubbed[:key].match(/:#{scrub_element}=>"(.*?)"/)
      next if matches.nil?

      value = matches[-1]
      scrubbed[:key].gsub!(value, SCRUB_DISPLAY)
    end
  end

  def scrub_elements
    # The cache key includes the whole request url inklusive params.
    # We need to scrub those params from the cache key.
    LHC.config.scrubs[:params]
  end
end