)

func TestConfigWriter_Prime(t *testing.T) {
	tests := []struct {
		name        string
		wantConfigs int
		inputFile   string
		wantErr     bool
	}{
		{
			name:        "errors if unable to unmarshal bytes",
			inputFile:   "",
			wantConfigs: 0,
			wantErr:     true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			cw := &ConfigWriter{}
			cd, _ := os.ReadFile(tt.inputFile)

	cniLogs := make([]string, 0)
	err := json.Unmarshal(body, &cniLogs)
	if err != nil {
		log.Errorf("Failed to unmarshal CNI plugin logs: %v", err)
		return
	}
	messages := make([]cniLog, 0, len(cniLogs))
	for _, l := range cniLogs {
		var msg cniLog
		if err := json.Unmarshal([]byte(l), &msg); err != nil {
			log.Debugf("Failed to unmarshal CNI plugin log entry: %v", err)
			continue
		}

	statuses := make(map[string][]cluster.DebugInfo, len(input))
	for istiodKey, bytes := range input {
		var parsed []cluster.DebugInfo
		if err := json.Unmarshal(bytes, &parsed); err != nil {
			return nil, err
		}
		statuses[istiodKey] = parsed
	}
	return statuses, nil

func insertCNIConfig(newCNIConfig, existingCNIConfig []byte) ([]byte, error) {
	var istioMap map[string]any
	err := json.Unmarshal(newCNIConfig, &istioMap)
	if err != nil {
		return nil, fmt.Errorf("error loading Istio CNI config (JSON error): %v", err)
	}

	var existingMap map[string]any
	err = json.Unmarshal(existingCNIConfig, &existingMap)
	if err != nil {

	data, err := io.ReadAll(file)
	if err != nil {
		return nil, err
	}

	envoyConfig := &configdump.Wrapper{}
	if err := envoyConfig.UnmarshalJSON(data); err != nil {
		return nil, fmt.Errorf("failed to unmarshal proxy config: %s", err)
	}
	return envoyConfig, nil
}

func getConfigDumpFromPod(kubeClient kube.CLIClient, podName, podNamespace string) (*configdump.Wrapper, error) {

	for _, dr := range drs {
		for _, resource := range dr.Resources {
			clientConfig := xdsstatus.ClientConfig{}
			err := resource.UnmarshalTo(&clientConfig)
			if err != nil {
				return nil, nil, fmt.Errorf("could not unmarshal ClientConfig: %w", err)
			}
			meta, err := model.ParseMetadata(clientConfig.GetNode().GetMetadata())
			if err != nil {
				return nil, nil, fmt.Errorf("could not parse node metadata: %w", err)
			}

		return nil, 0, fmt.Errorf("truncated message")
	}
	if flags&unix.MSG_CTRUNC != 0 {
		return nil, 0, fmt.Errorf("truncated control message")
	}
	var resp T
	var respPtr PT = &resp
	err = proto.Unmarshal(buf[:n], respPtr)
	if err != nil {
		return nil, 0, err
	}
	return respPtr, oobn, nil

//
// 	{
// 		"kind":"MyAPIObject",
// 		"apiVersion":"v1",
// 		"myPlugin": {
// 			"kind":"PluginA",
// 			"aOption":"foo",
// 		},
// 	}
//
// So what happens? Decode first uses json or yaml to unmarshal the serialized data into
// your external MyAPIObject. That causes the raw JSON to be stored, but not unpacked.
// The next step is to copy (using pkg/conversion) into the internal struct. The runtime

	for _, resp := range istiodResponses {
		istiodDump := &configdump.Wrapper{}
		err := json.Unmarshal(resp, istiodDump)
		if err != nil {
			continue
		}
		c.istiod = istiodDump
		break
	}
	if c.istiod == nil {
		return nil, fmt.Errorf("unable to find config dump in Istiod responses")
	}
	envoyDump := &configdump.Wrapper{}
	err := json.Unmarshal(envoyResponse, envoyDump)
	if err != nil {
		return nil, err
	}

}

func getFilterType(filters []*listener.Filter) string {
	for _, filter := range filters {
		if filter.Name == HTTPListener {
			httpProxy := &hcm.HttpConnectionManager{}
			// Allow Unmarshal to work even if Envoy and istioctl are different
			filter.GetTypedConfig().TypeUrl = "type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager"