// ProcessRouteStatusMarkers adds empty status in the report map for any marked route (HTTP, TCP,
// TLS, GRPC) that has no status reported. Used for clearing stale status for orphaned routes.
func (r *RoutesIndex) ProcessRouteStatusMarkers(kctx krt.HandlerContext, reportMap reports.ReportMap) {
	rp := reports.NewReporter(&reportMap)
	processRouteStatusMarkers(kctx, r.httpRouteStatusMarkers, reportMap.HTTPRoutes, rp)
	processRouteStatusMarkers(kctx, r.tcpRouteStatusMarker, reportMap.TCPRoutes, rp)
	processRouteStatusMarkers(kctx, r.tlsRouteStatusMarker, reportMap.TLSRoutes, rp)
	processRouteStatusMarkers(kctx, r.grpcRouteStatusMarker, reportMap.GRPCRoutes, rp)
}

// processRouteStatusMarkers fetches the route status markers and adds empty status for routes not
// in the report map to clear stale status.
func processRouteStatusMarkers[T controllers.Object](
	kctx krt.HandlerContext,
	statusCol krt.StatusCollection[T, StatusMarker],
	reportMap map[types.NamespacedName]*reports.RouteReport,
	rp reporter.Reporter,
) {
	objStatus := krt.Fetch(kctx, statusCol)
	for _, status := range objStatus {
		routeKey := types.NamespacedName{
			Namespace: status.Obj.GetNamespace(),
			Name:      status.Obj.GetName(),
		}

		// Add empty status to clear stale status for routes with no valid ParentRefs
		if reportMap[routeKey] == nil {
			_ = rp.Route(status.Obj)
		}
	}
}

	var tcpRoutesCollection, tlsRoutesCollection, grpcRoutesCollection krt.Collection[RouteWrapper]
	h.tcpRouteStatusMarker, tcpRoutesCollection = krt.NewStatusCollection(tcproutes, func(kctx krt.HandlerContext, i *gwv1a2.TCPRoute) (*StatusMarker, *RouteWrapper) {
		status, route := h.transformTcpRoute(kctx, i, controllerName)
		return status, &RouteWrapper{Route: route}
	}, krtopts.ToOptions("routes-tcp-routes-with-policy")...)

	h.tlsRouteStatusMarker, tlsRoutesCollection = krt.NewStatusCollection(tlsroutes, func(kctx krt.HandlerContext, i *gwv1a2.TLSRoute) (*StatusMarker, *RouteWrapper) {
		status, route := h.transformTlsRoute(kctx, i, controllerName)
		return status, &RouteWrapper{Route: route}
	}, krtopts.ToOptions("routes-tls-routes-with-policy")...)

	h.grpcRouteStatusMarker, grpcRoutesCollection = krt.NewStatusCollection(grpcroutes, func(kctx krt.HandlerContext, i *gwv1.GRPCRoute) (*StatusMarker, *RouteWrapper) {
		status, route := h.transformGRPCRoute(kctx, i, controllerName)
		return status, &RouteWrapper{Route: route}
	}, krtopts.ToOptions("routes-grpc-routes-with-policy")...)