package core

import (
	"istio.io/istio/pilot/pkg/features"
	"istio.io/istio/pilot/pkg/model"
)

const (
	// WildcardAddress binds to all IP addresses
	WildcardAddress = "0.0.0.0"

	// WildcardIPv6Address binds to all IPv6 addresses
	WildcardIPv6Address = "::"

	// LocalhostAddress for local binding
	LocalhostAddress = "127.0.0.1"

	// LocalhostIPv6Address for local binding

				Labels: map[string]string{
					"merge": "wg",
					"wg":    "1",
				},
			},
		},
		Status: nil,
	})
	proxy := &model.Proxy{
		Labels:      map[string]string{"merge": "me"},
		IPAddresses: []string{"1.1.1.1"},
		Metadata: &model.NodeMetadata{
			AutoRegisterGroup: "wg",
			Namespace:         "namespace",
			Network:           "network1",
			Labels:            map[string]string{"merge": "meta", "meta": "2"},

			"cluster-2": []string{"10.2.0.0"},
		},
	}
	for _, svc := range services {
		if !reflect.DeepEqual(svc.ClusterVIPs.Addresses, ClusterVIPs[svc.Hostname]) {
			t.Fatalf("Service %s ClusterVIPs actual %v, expected %v", svc.Hostname,
				svc.ClusterVIPs.Addresses, ClusterVIPs[svc.Hostname])
		}
	}

	registry2.RemoveService(mock.HelloService.Hostname)
	// List Services from aggregate controller

	_, _ = newIPAddress, oldIPAddress
}

// Validate validates a new IPAddress.
func (ipAddressStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
	ipAddress := obj.(*networking.IPAddress)
	err := validation.ValidateIPAddress(ipAddress)
	return err
}

// Canonicalize normalizes the object after validation.
func (ipAddressStrategy) Canonicalize(obj runtime.Object) {
}

	return *a.cidr
}

// for testing
func (a *Allocator) Has(ip net.IP) bool {
	// convert IP to name
	name := ip.String()
	ipAddress, err := a.client.IPAddresses().Get(context.Background(), name, metav1.GetOptions{})
	if err != nil || len(ipAddress.Name) == 0 {
		return false
	}
	return true
}

func (a *Allocator) IPFamily() api.IPFamily {
	return a.family
}

	HelloInstanceV0 = MakeIP(HelloService, 0)

	// HelloProxyV0 is a mock proxy v0 of HelloService
	HelloProxyV0 = model.Proxy{
		Type:         model.SidecarProxy,
		IPAddresses:  []string{HelloInstanceV0},
		ID:           "v0.default",
		DNSDomain:    "default.svc.cluster.local",
		IstioVersion: model.MaxIstioVersion,
		Metadata:     &model.NodeMetadata{},
	}

		return false, ip, err
	}))
	client.PrependReactor("delete", "ipaddresses", k8stesting.ReactionFunc(func(action k8stesting.Action) (bool, runtime.Object, error) {
		name := action.(k8stesting.DeleteAction).GetName()
		obj, exists, err := ipStore.GetByKey(name)
		ip := &networkingv1alpha1.IPAddress{}
		if exists && err == nil {
			ip = obj.(*networkingv1alpha1.IPAddress)
			err = ipStore.Delete(ip)
		}
		return false, ip, err
	}))

	sd.mutex.Lock()
	defer sd.mutex.Unlock()
	if len(requests) == 0 {
		return maps.Values(sd.addresses), nil
	}

	var infos []model.AddressInfo
	removed := sets.String{}
	for req := range requests {
		if _, found := sd.addresses[req]; !found {
			removed.Insert(req)
		} else {
			infos = append(infos, sd.addresses[req])
		}
	}
	return infos, removed
}

// GetInstanceForProxy returns a workload instance that
// corresponds to a given proxy, if any.
func GetInstanceForProxy(index Index, proxy *model.Proxy, proxyIP string) *model.WorkloadInstance {
	if !slices.Contains(proxy.IPAddresses, proxyIP) {
		return nil
	}
	instances := index.GetByIP(proxyIP) // list is ordered by namespace/name
	if len(instances) == 0 {
		return nil
	}
	if len(instances) == 1 { // dominant use case

	storage := map[string]rest.Storage{}

	// ipaddress
	if resource := "ipaddresses"; apiResourceConfigSource.ResourceEnabled(networkingapiv1alpha1.SchemeGroupVersion.WithResource(resource)) {
		ipAddressStorage, err := ipaddressstore.NewREST(restOptionsGetter)
		if err != nil {