// limitations under the License.

package plugin

// InterceptRuleMgr configures networking tables (e.g. iptables or nftables) for
// redirecting traffic to an Istio proxy.
type InterceptRuleMgr interface {
	Program(podName, netns string, redirect *Redirect) error
}

// Constructor for iptables InterceptRuleMgr
func IptablesInterceptRuleMgr() InterceptRuleMgr {
	return newIPTables()

	//
	// Extreme corner case:
	// If for some reason your host had both binaries, and you were injecting out-of-band
	// iptables rules within a pod context into `legacy` tables, but your host context preferred
	// `nft`, we would still inject our rules in-pod into nft tables, which is a bit wonky.
	//
	// But that's stunningly unlikely (and would still work either way)
	iptVer, err := ext.DetectIptablesVersion(false)

		if len(lines) >= 1 && strings.HasPrefix(lines[0], "* ") {
			tableName := lines[0][2:]
			lines = append(lines, "COMMIT")
			tables[tableName] = strings.Join(lines, "\n")
		}
	}
	return tables
}

func refreshGoldens(t *testing.T, goldenFileName string, generatedRules map[string]string) {
	tables := slices.Sort(maps.Keys(generatedRules))
	goldenFileContent := ""
	for _, t := range tables {

	"istio.io/istio/pkg/log"
	"istio.io/istio/tools/istio-iptables/pkg/cmd"
	"istio.io/istio/tools/istio-iptables/pkg/config"
	"istio.io/istio/tools/istio-iptables/pkg/dependencies"
)

// getNs is a unit test override variable for interface create.
var getNs = ns.GetNS

// Program defines a method which programs iptables based on the parameters
// provided in Redirect.
func (ipt *iptables) Program(podName, netns string, rdrct *Redirect) error {

		wa := obj.(webhookAnalysis)
		row := table.Row{
			Cells: make([]table.Cell, 0),
		}
		row.Cells = append(row.Cells, table.NewCell(wa.Name), table.NewCell(wa.Revision))
		if wa.Injected {
			row.Cells = append(row.Cells, table.NewCell("✔", color.FgGreen))
		} else {
			row.Cells = append(row.Cells, table.NewCell("✘", color.FgRed))
		}
		row.Cells = append(row.Cells, table.NewCell(wa.Reason))
		return row
	})

	corev1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/types"

	"istio.io/istio/cni/pkg/ipset"
	"istio.io/istio/cni/pkg/iptables"
	"istio.io/istio/cni/pkg/util"
	istiolog "istio.io/istio/pkg/log"
	"istio.io/istio/pkg/slices"
	"istio.io/istio/pkg/util/sets"
	dep "istio.io/istio/tools/istio-iptables/pkg/dependencies"
)

var log = istiolog.RegisterScope("ambient", "ambient controller")

	secretDiffColumns = []string{"RESOURCE NAME", "TYPE", "VALID CERT", "NODE AGENT", "PROXY", "SERIAL NUMBER", "NOT AFTER", "NOT BEFORE"}
)

// printSecretItemsTabular prints the secret in table format
func (w *sdsWriter) printSecretItemsTabular(secrets []SecretItem) error {
	if len(secrets) == 0 {
		fmt.Fprintln(w.w, "No secret items to show.")
		return nil
	}

	if err != nil {
		return nil, fmt.Errorf("error initializing the ztunnel server: %w", err)
	}

	iptablesConfigurator, err := iptables.NewIptablesConfigurator(cfg, realDependencies(), iptables.RealNlDeps())
	if err != nil {
		return nil, fmt.Errorf("error configuring iptables: %w", err)
	}

	// Create hostprobe rules now, in the host netns

func SelectorsForObject(object runtime.Object) (namespace string, selector labels.Selector, err error) {
	switch t := object.(type) {
	case *gatewayapi.Gateway:
		if !gateway.IsManaged(&t.Spec) {
			return "", nil, fmt.Errorf("gateway is not a managed gateway")
		}
		namespace = t.Namespace
		selector, err = labels.Parse(constants.GatewayNameLabel + "=" + t.Name)
	case *gatewayapibeta.Gateway:

}

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