package compare

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

	admin "github.com/envoyproxy/go-control-plane/envoy/admin/v3"
	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
	legacyproto "github.com/golang/protobuf/proto" // nolint: staticcheck
	exprpb "google.golang.org/genproto/googleapis/api/expr/v1alpha1"
	"google.golang.org/protobuf/reflect/protoreflect"

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

	"sigs.k8s.io/yaml"

	"istio.io/istio/pkg/maps"
	"istio.io/istio/pkg/slices"
)

// PolicyFilter is used to pass filter information into service based config writer print functions
type PolicyFilter struct {
	Namespace string
}

// Verify returns true if the passed workload matches the filter fields
func (wf *PolicyFilter) Verify(pol *ZtunnelPolicy) bool {

			return r
		}
		return cmp.Compare(a.Hostname, b.Hostname)
	})
	fmt.Fprintln(w, "NAMESPACE\tSERVICE NAME\tSERVICE VIP\tWAYPOINT")

	for _, svc := range svcs {
		var ip string
		if len(svc.Addresses) > 0 {
			_, ip, _ = strings.Cut(svc.Addresses[0], "/")
		}
		waypoint := serviceWaypointName(svc, zDump.Services)
		fmt.Fprintf(w, "%v\t%v\t%v\t%v\n",
			svc.Namespace, svc.Name, ip, waypoint)
	}
	return w.Flush()
}

	// so that it could distinguish things that can be unauthenticated (healthchecks) from other kinds of node traffic
	// (e.g. LoadBalanced Service packets, etc) that need to be authenticated/captured/proxied.
	//
	// We want to do the same thing in ambient but can't rely on podSpec injection. So, do effectively the same thing,

	return nil
}

func waypointName(wl *ZtunnelWorkload, services map[string]*ZtunnelService) string {
	if wl.Waypoint == nil {
		return "None"
	}

	if svc, ok := services[wl.Waypoint.Destination]; ok {
		return svc.Name
	}

	return "NA" // Shouldn't normally reach here
}

func serviceWaypointName(svc *ZtunnelService, services map[string]*ZtunnelService) string {
	if svc.Waypoint == nil {

	KubeconfigMode int
	// CA file for kubeconfig
	KubeCAFile string
	// Whether to use insecure TLS in the kubeconfig file
	SkipTLSVerify bool

	// KUBERNETES_SERVICE_PROTOCOL
	K8sServiceProtocol string
	// KUBERNETES_SERVICE_HOST
	K8sServiceHost string
	// KUBERNETES_SERVICE_PORT
	K8sServicePort string
	// KUBERNETES_NODE_NAME
	K8sNodeName string

	// Directory from where the CNI binaries should be copied
	CNIBinSourceDir string

		}
	}
	// default attributes and service name, namespace, ports, service account, service CIDR
	overrides := map[string]string{
		"ISTIO_INBOUND_PORTS":       portBehavior,
		"ISTIO_NAMESPACE":           wg.Namespace,
		"ISTIO_SERVICE":             fmt.Sprintf("%s.%s", wg.Name, wg.Namespace),
		"ISTIO_SERVICE_CIDR":        "*",
		"ISTIO_LOCAL_EXCLUDE_PORTS": excludePorts,
		"SERVICE_ACCOUNT":           we.ServiceAccount,
	}

				}},
			},
		}

		// only label if the user has provided their own value, otherwise we let istiod choose a default at runtime (service)
		// this will allow for gateway class to provide a default for that class rather than always forcing service or requiring users to configure correctly
		if trafficType != "" {
			if !validTrafficTypes.Contains(trafficType) {

		},
		{
			desc:       "pilot_override_kubernetes",
			diffSelect: "Deployment:*:istiod, Service:*:istiod,MutatingWebhookConfiguration:*:istio-sidecar-injector,ServiceAccount:*:istio-reader-service-account",
			fileSelect: []string{
				"templates/deployment.yaml", "templates/mutatingwebhook.yaml",
				"templates/service.yaml", "templates/reader-serviceaccount.yaml",
			},
		},

		KubeCAFile:         viper.GetString(constants.KubeCAFile),
		SkipTLSVerify:      viper.GetBool(constants.SkipTLSVerify),
		K8sServiceProtocol: os.Getenv("KUBERNETES_SERVICE_PROTOCOL"),
		K8sServiceHost:     os.Getenv("KUBERNETES_SERVICE_HOST"),
		K8sServicePort:     os.Getenv("KUBERNETES_SERVICE_PORT"),
		K8sNodeName:        os.Getenv("KUBERNETES_NODE_NAME"),

		CNIBinSourceDir:   constants.CNIBinDir,