// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Command istioctl is a Istio configuration command line utility.

func Execute(cmd string, args ...string) error {
	log.Debugf("Running command: %s %s", cmd, strings.Join(args, " "))
	externalCommand := exec.Command(cmd, args...)
	stdout := &bytes.Buffer{}
	stderr := &bytes.Buffer{}
	externalCommand.Stdout = stdout
	externalCommand.Stderr = stderr

	err := externalCommand.Run()

	if len(stdout.String()) != 0 {
		log.Debugf("Command output: \n%v", stdout.String())
	}

}

func optionsCommand(rootCmd *cobra.Command) *cobra.Command {
	retval := &cobra.Command{
		Use:   "options",
		Short: "Displays istioctl global options",
		Args:  cobra.ExactArgs(0),
	}

	retval.SetHelpFunc(func(c *cobra.Command, args []string) {
		c.Printf("The following options can be passed to any command:\n")
		// (Currently the only global options we show are help options)

			_, _ = fmt.Fprintf(writer, "%q is valid\n", fname)
		}
	}

	return nil
}

// NewValidateCommand creates a new command for validating Istio k8s resources.
func NewValidateCommand(ctx cli.Context) *cobra.Command {
	var filenames []string
	var referential bool

	c := &cobra.Command{
		Use:     "validate -f FILENAME [options]",
		Aliases: []string{"v"},
		Short:   "Validate Istio policy and rules files",

	defaultWebhookName             = "sidecar-injector.istio.io"
)

func InjectCommand(cliContext cli.Context) *cobra.Command {
	var opts clioptions.ControlPlaneOptions
	var centralOpts clioptions.CentralControlPlaneOptions

	injectCmd := &cobra.Command{
		Use:   "kube-inject",
		Short: "Inject Istio sidecar into Kubernetes pod resources",
		Long: `

	validationPattern   = `^\w+:(debug|error|warn|info|debug)`
)

func istiodLogCmd(ctx cli.Context) *cobra.Command {
	var controlzPort int
	var opts clioptions.ControlPlaneOptions
	outputLogLevel := ""
	stackTraceLevel := ""

	// output format (yaml or short)
	outputFormat := "short"

	logCmd := &cobra.Command{

			"e.g. Service:*:istiod->Service:*:istio-control - rename istiod service into istio-control")
}

func manifestDiffCmd(diffArgs *manifestDiffArgs) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "diff <file|dir> <file|dir>",
		Short: "Compare manifests and generate diff",
		Long: "The diff subcommand compares manifests from two files or directories. The output is a list of\n" +

func TestWorkloadGroupCreate(t *testing.T) {
	cases := []testcase{
		{
			description:       "Invalid command args - missing service name and namespace",
			args:              strings.Split("group create", " "),
			expectedException: true,
			expectedOutput:    "Error: expecting a workload name\n",
		},
		{
			description:       "Invalid command args - missing service name",
			args:              strings.Split("group create -n bar", " "),

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

func StableXdsStatusCommand(ctx cli.Context) *cobra.Command {
	cmd := XdsStatusCommand(ctx)
	unstableFlags := []string{"xds-via-agents", "xds-via-agents-limit"}
	cmd.PreRunE = func(cmd *cobra.Command, args []string) error {
		for _, flag := range unstableFlags {
			if cmd.PersistentFlags().Changed(flag) {

}

func profileDumpCmd(pdArgs *profileDumpArgs) *cobra.Command {
	return &cobra.Command{
		Use:   "dump [<profile>]",
		Short: "Dumps an Istio configuration profile",
		Long:  "The dump subcommand dumps the values in an Istio configuration profile.",
		Args: func(cmd *cobra.Command, args []string) error {
			if len(args) > 1 {
				return fmt.Errorf("too many positional arguments")
			}