clayton/consummo

module Consummo
  class KeywordHintEnricher
    def initialize(keywords:[])
      @keywords = keywords
    end

    def enrich(item, keywords=[])
      modified = item.title
      list = keywords.empty? ? @keywords : keywords

      for keyword in list do
        modified = make_replacements(modified, keyword)
      end
      {hinted_title: modified}
    end

  private
    def make_replacements(text, keyword)
      return nil if text.blank?
      return text unless text.match(/#{keyword}/i)
      text.gsub(/(#{keyword})/i, '<strong>\1</strong>')
    end
  end
end