"istio.io/istio/pkg/maps"
	"istio.io/istio/pkg/zdsapi"
)

var ErrPodNotFound = errors.New("netns not provided, but is needed as pod is not in cache")

type PodNetnsCache interface {
	ReadCurrentPodSnapshot() map[string]WorkloadInfo
}

// Hold a cache of node local pods with their netns
// if we don't know the netns, the pod will still be here with a nil netns.
type podNetnsCache struct {

	}
}

func TestPodsAppearsWithNilNetnsWhenEnsureIsUsed(t *testing.T) {
	p := newPodNetnsCache(openNsTestOverride)

	p.Ensure("123")

	found := false
	snap := p.ReadCurrentPodSnapshot()
	for k, v := range snap {
		if k == "123" && v == (WorkloadInfo{}) {
			found = true
		}
	}
	if !found {
		t.Fatalf("expected pod 123 to be in the cache")
	}
}

	if err != nil {
		panic(err)
	}
	c.Write(data)
}

type fakePodCache struct {
	pods map[string]WorkloadInfo
}

func (f fakePodCache) ReadCurrentPodSnapshot() map[string]WorkloadInfo {
	return f.pods

	}
	return nil
}

// TODO ctx is unused here
// nolint: unparam
func (z *ztunnelServer) sendSnapshot(ctx context.Context, conn *ZtunnelConnection) error {
	snap := z.pods.ReadCurrentPodSnapshot()
	for uid, wl := range snap {
		var resp *zdsapi.WorkloadResponse
		var err error
		if wl.Netns != nil {
			fd := int(wl.Netns.Fd())
			log.Infof("Sending local pod %s ztunnel", uid)