"istio.io/istio/cni/pkg/util"
	"istio.io/istio/pkg/file"
	"istio.io/istio/pkg/slices"
	"istio.io/istio/pkg/test/env"
	"istio.io/istio/pkg/test/util/retry"
)

const (
	cniConfSubDir    = "/testdata/pre/"
	k8sSvcAcctSubDir = "/testdata/k8s_svcacct/"

	defaultFileMode = 0o644

	cniConfName          = "CNI_CONF_NAME"
	chainedCNIPluginName = "CHAINED_CNI_PLUGIN"
	cniNetworkConfigName = "CNI_NETWORK_CONFIG"

  // will *not* be used for the pod to avoid using an unrelated
  // volume by mistake. Starting the pod is then blocked until
  // the unrelated PVC is removed. If such a pre-created PVC is
  // meant to be used by the pod, the PVC has to updated with an
  // owner reference to the pod once the pod exists. Normally
  // this should not be necessary, but it may be useful when

	expectedOut, err := io.ReadAll(outFile)
	if err != nil {
		t.Errorf("error reading test data output file: %v", err)
	}

	gotOut := &bytes.Buffer{}
	cw := &ConfigWriter{Stdout: gotOut}
	err = cw.Prime(configDump)
	assert.NoError(t, err)
	err = cw.PrintSecretSummary()
	assert.NoError(t, err)

	assert.Equal(t, string(expectedOut), gotOut.String())

	}
	return debug, err
}

func setupConfigdumpZtunnelConfigWriter(debug []byte, out io.Writer) (*ztunnelDump.ConfigWriter, error) {
	cw := &ztunnelDump.ConfigWriter{Stdout: out, FullDump: debug}
	err := cw.Prime(debug)
	if err != nil {
		return nil, err
	}
	return cw, nil
}

func setupFileZtunnelConfigdumpWriter(filename string, out io.Writer) (*ztunnelDump.ConfigWriter, error) {
	data, err := readFile(filename)