"istio.io/istio/pilot/pkg/util/protoconv"
	"istio.io/istio/pilot/pkg/xds/endpoints"
	"istio.io/istio/pkg/config/schema/kind"
	"istio.io/istio/pkg/util/sets"
)

// SvcUpdate is a callback from service discovery when service info changes.
func (s *DiscoveryServer) SvcUpdate(shard model.ShardKey, hostname string, namespace string, event model.Event) {
	// When a service deleted, we should cleanup the endpoint shards and also remove keys from EndpointIndex to

	event := model.EventAdd
	if o, f := sd.services[svc.Hostname]; f {
		old = o
		event = model.EventUpdate
	}
	sd.services[svc.Hostname] = svc

	if sd.XdsUpdater != nil {
		sd.XdsUpdater.SvcUpdate(sd.shardKey(), string(svc.Hostname), svc.Attributes.Namespace, model.EventAdd)
	}
	sd.handlers.NotifyServiceHandlers(old, svc, event)
	sd.mutex.Unlock()
}

// RemoveService removes an in-memory service.

		s.XdsUpdater.SvcUpdate(shard, string(svc.Hostname), svc.Attributes.Namespace, model.EventAdd)
		configsUpdated.Insert(makeConfigKey(svc))
	}

	for _, svc := range updatedSvcs {
		s.XdsUpdater.SvcUpdate(shard, string(svc.Hostname), svc.Attributes.Namespace, model.EventUpdate)
		configsUpdated.Insert(makeConfigKey(svc))
	}
	// If service entry is deleted, call SvcUpdate to cleanup endpoint shards for services.

func (f *EndpointIndexUpdater) EDSCacheUpdate(shard ShardKey, serviceName string, namespace string, eps []*IstioEndpoint) {
	f.Index.UpdateServiceEndpoints(shard, serviceName, namespace, eps)
}

func (f *EndpointIndexUpdater) SvcUpdate(shard ShardKey, hostname string, namespace string, event Event) {
	if event == EventDelete {
		f.Index.DeleteServiceShard(shard, hostname, namespace, false)
	}
}

		c.opts.XDSUpdater.ConfigUpdate(&model.PushRequest{Full: true, Reason: model.NewReasonStats(model.NetworksTrigger)})
	}

	shard := model.ShardKeyFromRegistry(c)
	event := model.EventDelete
	c.opts.XDSUpdater.SvcUpdate(shard, string(svc.Hostname), svc.Attributes.Namespace, event)

	c.handlers.NotifyServiceHandlers(nil, svc, event)
}

// recomputeServiceForPod is called when a pod changes and service endpoints need to be recomputed.