module PandaCms
  module EditorJs
    module Blocks
      class List < Base
        def render
          list_type = (data["style"] == "ordered") ? "ol" : "ul"
          html_safe(
            "<#{list_type}>" \
            "#{render_items(data["items"])}" \
            "</#{list_type}>"
          )
        end

        private

        def render_items(items)
          items.map do |item|
            content = item.is_a?(Hash) ? item["content"] : item
            nested = (item.is_a?(Hash) && item["items"].present?) ? render_nested(item["items"]) : ""
            "<li>#{sanitize(content)}#{nested}</li>"
          end.join
        end

        def render_nested(items)
          self.class.new({"items" => items, "style" => data["style"]}).render
        end
      end
    end
  end
end