package util

import (
	"bytes"
	"errors"
	"os/exec"
	"strings"

	"istio.io/istio/pkg/log"
)

type ExecList struct {
	Cmd  string
	Args []string
}

func NewExec(cmd string, args []string) *ExecList {
	return &ExecList{
		Cmd:  cmd,
		Args: args,
	}
}

func ExecuteOutput(cmd string, args ...string) (string, error) {
	externalCommand := exec.Command(cmd, args...)

func InferPodInfo(name, defaultNS string) (string, string) {
	return inferNsInfo(name, defaultNS)
}

// inferNsInfo Uses name to infer namespace if the passed name contains namespace information.
// Otherwise uses the namespace value passed into the function
func inferNsInfo(name, namespace string) (string, string) {
	if idx := strings.LastIndex(name, "/"); idx > 0 {

				fmt.Fprintf(w, "%v\t%v\t%v\t%v\n", name, strings.Join(addresses, ","), port, listenerType)
			} else {
				fmt.Fprintf(w, "%v\t%v\t%v\n", strings.Join(addresses, ","), port, listenerType)
			}
		}
	}
	return w.Flush()
}

type filterchain struct {
	match       string
	destination string
}

var (
	plaintextHTTPALPNs = []string{"http/1.0", "http/1.1", "h2c"}

	}
}

func printLog(ms diag.Messages, colorize bool) string {
	logOutput := make([]string, 0, len(ms))
	for _, m := range ms {
		logOutput = append(logOutput, render(m, colorize))
	}
	return strings.Join(logOutput, "\n")
}

func printJSON(ms diag.Messages) (string, error) {
	jsonOutput, err := json.MarshalIndent(ms, "", "\t")
	return string(jsonOutput), err
}

func printYAML(ms diag.Messages) (string, error) {

	}
	return nil
}

type webhookAnalysis struct {
	Name     string
	Revision string
	Injected bool
	Reason   string
}

func analyzeRunningWebhooks(whs []admitv1.MutatingWebhookConfiguration, podLabels, nsLabels map[string]string) []webhookAnalysis {
	results := make([]webhookAnalysis, 0)
	for _, mwc := range whs {
		if !isIstioWebhook(&mwc) {
			continue

		Status: gateway.GatewayStatus{
			Conditions: conditions,
		},
	}
}

func makeGatewayWithRevision(name, namespace string, programmed, isWaypoint bool, rev string) *gateway.Gateway {
	gw := makeGateway(name, namespace, programmed, isWaypoint)
	if gw.Labels == nil {
		gw.Labels = make(map[string]string)
	}
	gw.Labels[label.IoIstioRev.Name] = rev
	return gw

// flags is passed to the command verbatim. If you set both flags and path, make sure to not use -f in flags.
func runManifestCommand(command string, filenames []string, flags string, chartSource chartSourceType, fileSelect []string) (string, error) {
	var args string
	if command == "install" {
		args = "install"
	} else {
		args = "manifest " + command
	}
	for _, f := range filenames {
		args += " -f " + f

	}
	return nil
}

// GetTemplateLabels returns spec.template.metadata.labels from Deployment
func GetTemplateLabels(u *unstructured.Unstructured) (map[string]string, error) {
	if spec, ok := u.Object["spec"].(map[string]any); ok {
		if template, ok := spec["template"].(map[string]any); ok {
			m, _, err := unstructured.NestedStringMap(template, "metadata", "labels")
			if err != nil {
				return nil, err
			}
			return m, nil

package configdump

import (
	"encoding/json"
	"fmt"
	"sort"
	"strings"

	"sigs.k8s.io/yaml"
)

// WorkloadFilter is used to pass filter information into workload based config writer print functions
type WorkloadFilter struct {
	Address   string
	Node      string
	Verbose   bool
	Namespace string
}

// Verify returns true if the passed workload matches the filter fields

}

func getPodNames(ctx cli.Context, podflag, ns string) ([]string, string, error) {
	podNames, ns, err := ctx.InferPodsFromTypedResource(podflag, ns)
	if err != nil {
		log.Errorf("pods lookup failed")
		return []string{}, "", err
	}
	return podNames, ns, nil
}

func getPodName(ctx cli.Context, podflag string) (string, string, error) {
	return getPodNameWithNamespace(ctx, podflag, ctx.Namespace())