module Reactions
  class BustReactableCacheWorker
    include Sidekiq::Job

    sidekiq_options queue: :high_priority, retry: 10

    def perform(reaction_id)
      reaction = Reaction.find_by(id: reaction_id)
      return unless reaction&.reactable

      cache_bust = EdgeCache::Bust.new
      cache_bust.call(reaction.user.path)

      case reaction.reactable_type
      when "Article"
        cache_bust.call("/reactions?article_id=#{reaction.reactable_id}")
        article = reaction.reactable

        # We only want to bust on the creation or deletion of the "first" reaction.
        # This is logically called *after* creation, but *before* deletion. So "1" is correct in each case.
        if Reaction.for_articles([reaction.reactable_id]).public_category.size == 1
          EdgeCache::BustArticle.call(article)
        end
      when "Comment"
        path = "/reactions?commentable_id=#{reaction.reactable.commentable_id}&" \
               "commentable_type=#{reaction.reactable.commentable_type}"
        cache_bust.call(path)
      end
    end
  end
end