require 'scrivito/cms_routing'

module Scrivito
  class CmsRouting
    def convert_links(html)
      if html
        # v-- patch here
        html.to_str.gsub(%r{\bobjid:([a-f0-9]{4,})\b([^"']*)}) do
          if obj = Obj.find_by_id($1)
            options = {}

            if $2.present?
              begin
                uri = URI.parse($2)
                options.merge!(extract_query(uri))
                options[:anchor] = uri.fragment
              rescue
              end
            end

            if editing_context.display_mode == 'editing'
              options[:id] = obj.id
              scrivito_engine.base_id_path(options)
            else
              path_or_url(obj, :path, options)
            end
          else
            "#__target_object_not_reachable"
          end
        end
      end
    end

    # patch for handling direct descendants of Scrivito::BasicObj
    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?(::Scrivito::BasicObj) # <-- patch here
        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_url(target)
      else
        raise "scrivito_path or scrivito_url was called with an instance of #{target.class}. "+
          "It must only be called with an Obj or a Link or a non-empty LinkList."
      end
    end


    # Use fiona connector permalinks and binary urls in legacy mode
    def path_or_url_for_objs(obj, path_or_url, options)
      permalink = obj.permalink
      if permalink && (route = find_route(:permalink)) && permalink.split('/').first != 'scrivito'
        # -- patch here --
        if Fiona7.mode == :legacy
          context.public_send("cms_permalink_#{path_or_url}", options.merge(:permalink => permalink))
        else
          route.generate(path_or_url, options.merge(:permalink => permalink))
        end
        # -- patch ends here --
      elsif homepage?(obj) && route = find_route(:homepage)
        route.generate(path_or_url, options)
      elsif obj.binary?
        # -- patch here --
        if Fiona7.mode == :legacy && self.image_options.blank?
          if binary = obj.binary
            params = {
              id: obj.id,
              slug: obj.slug,
              format: obj.file_extension
            }

            # use fiona connector routes when possible
            context.public_send("cms_id_#{path_or_url}", params)
          else
            LINK_TO_EMPTY_BLOB
          end
        else
          binary_obj_url(obj) || LINK_TO_EMPTY_BLOB
        end
        # -- patch ends here --
      elsif route = find_route(:slug_id)
        slug = obj.slug.present? ? obj.slug.sub(/^\//, '') : nil
        route.generate(path_or_url, options.merge(id: obj.id, slug: slug))
      else
        raise ScrivitoError, "The required scrivito route 'slug_id' is not defined. "\
          "Please add a 'slug_id' definition to your routes.rb. See the documentation"\
          " of 'scrivito_route' for further details."
      end
    end

  end
end