# frozen_string_literal: true

module Wayfarer
  module Middleware
    class Normalize
      extend Base

      def call(task)
        yield if block_given?

        task.metadata.staged_urls = SortedSet.new(normalized_urls(task).compact)
      end

    private

      def normalized_urls(task)
        task.metadata.staged_urls.map(&method(:normalize))
      end

      def normalize(url)
        NormalizeUrl.process(url)
      rescue NormalizeUrl::InvalidURIError
        nil
      end
    end
  end
end