require 'scrivito/cms_routing'

module Scrivito
  class CmsRouting
    # patch link converter to understand numerical IDs
    def convert_links(html)
      if html
        html.gsub(%r{<?\bobjid:([1-9][0-9]{3,})\b>?}) do
          if obj = Obj.find_by_id($1)
            path_or_url(obj, "path")
          else
            "#__target_object_not_reachable"
          end
        end
      end
    end

    # patch router to output proper binary urls fo uploaded files
    def path_or_url_without_editing_context(target, path_or_url, options)
      if target.is_a?(Link)
        path_or_url_for_links(target, path_or_url, options)
      elsif target.is_a?(BasicObj)
        path_or_url_for_objs(target, path_or_url, options)
      elsif target.respond_to?(:first)
        if target.first.is_a?(Link)
          path_or_url_for_links(target.first, path_or_url, options)
        else
          return LINK_TO_EMPTY_LINKLIST
        end
      elsif target.is_a?(Binary)
        binary = target
        main_app.public_send("fiona7_blob_#{path_or_url}", {id: binary.send(:id), name: binary.filename})
      else
        raise "scrivito_path or scrivito_url was called with an instance of #{target.class}. "+
          "It must only be called with a descendant of Scrivito::BasicObj or a Link or a non-empty LinkList."
      end
    end

    # patch router to output proper binary urls fo uploaded files
    def path_or_url_for_objs(obj, path_or_url, options = {})
      permalink = obj.permalink
      if permalink
        main_app.public_send("scrivito_permalink_#{path_or_url}", options.merge(:permalink => permalink))
      elsif obj.homepage?
        main_app.public_send("scrivito_root_#{path_or_url}", options)
      else
        if obj.binary? && editing_context.display_mode != "editing"
          if obj.binary
            main_app.public_send("fiona7_blob_#{path_or_url}", {id: obj.binary.send(:id), name: obj.binary.filename})
          else
            LINK_TO_EMPTY_BLOB
          end
        else
          main_app.public_send(
            "scrivito_id_#{path_or_url}",
            options.merge(
              id: obj.id,
              slug: obj.slug.presence
            )
          )
        end
      end
    end
  end
end