"istio.io/istio/istioctl/pkg/util"
)

func GetRevisionWebhooks(ctx context.Context, client kubernetes.Interface) ([]admitv1.MutatingWebhookConfiguration, error) {
	webhooks, err := client.AdmissionregistrationV1().MutatingWebhookConfigurations().List(ctx, metav1.ListOptions{
		LabelSelector: label.IoIstioRev.Name,
	})
	if err != nil {
		return nil, err
	}
	return webhooks.Items, nil
}

{{- if .Values.global.externalIstiod }}
  - apiGroups: [""]
    resources: ["configmaps"]
    verbs: ["create", "get", "list", "watch", "update"]
  - apiGroups: ["admissionregistration.k8s.io"]
    resources: ["mutatingwebhookconfigurations"]
    verbs: ["get", "list", "watch", "update", "patch"]
  - apiGroups: ["admissionregistration.k8s.io"]
    resources: ["validatingwebhookconfigurations"]
    verbs: ["get", "list", "watch", "update"]

  - '*'
  verbs:
  - '*'
- apiGroups:
  - security.istio.io
  resources:
  - '*'
  verbs:
  - '*'
# k8s groups
- apiGroups:
  - admissionregistration.k8s.io
  resources:
  - mutatingwebhookconfigurations
  - validatingwebhookconfigurations
  verbs:
  - '*'
- apiGroups:
  - apiextensions.k8s.io
  resources:
  - customresourcedefinitions.apiextensions.k8s.io
  - customresourcedefinitions
  verbs:

	client, err := ctx.CLIClient()
	if err != nil {
		return e, err
	}
	if revision == "" {
		revision = "default"
	}
	whcList, err := client.Kube().AdmissionregistrationV1().MutatingWebhookConfigurations().List(context.TODO(),
		metav1.ListOptions{LabelSelector: fmt.Sprintf("%s=%s", label.IoIstioRev.Name, revision)})
	if err != nil {

{{- if .Values.global.externalIstiod }}
  - apiGroups: [""]
    resources: ["configmaps"]
    verbs: ["create", "get", "list", "watch", "update"]
  - apiGroups: ["admissionregistration.k8s.io"]
    resources: ["mutatingwebhookconfigurations"]
    verbs: ["get", "list", "watch", "update", "patch"]
  - apiGroups: ["admissionregistration.k8s.io"]
    resources: ["validatingwebhookconfigurations"]
    verbs: ["get", "list", "watch", "update"]

  labels:
    app: istiod
    release: {{ .Release.Name }}
rules:
  # sidecar injection controller
  - apiGroups: ["admissionregistration.k8s.io"]
    resources: ["mutatingwebhookconfigurations"]
    verbs: ["get", "list", "watch", "update", "patch"]

  # configuration validation webhook controller
  - apiGroups: ["admissionregistration.k8s.io"]
    resources: ["validatingwebhookconfigurations"]

		}
	}

	return revisions, nil
}

func Webhooks(ctx context.Context, client kube.CLIClient) ([]admitv1.MutatingWebhookConfiguration, error) {
	hooks, err := client.Kube().AdmissionregistrationV1().MutatingWebhookConfigurations().List(ctx, metav1.ListOptions{})
	if err != nil {
		return []admitv1.MutatingWebhookConfiguration{}, err
	}
	return hooks.Items, nil
}

func renderWithDefault(s, def string) string {

				if err != nil {
					return err
				}
				podLabels = ls.MatchLabels
				nsLabels = ns.GetLabels()
			}
			whs, err := kubeClient.Kube().AdmissionregistrationV1().MutatingWebhookConfigurations().List(context.TODO(), metav1.ListOptions{})
			if err != nil {
				return err
			}
			checkResults := analyzeRunningWebhooks(whs.Items, podLabels, nsLabels)

  labels:
    app: istiod
    release: {{ .Release.Name }}
rules:
  # sidecar injection controller
  - apiGroups: ["admissionregistration.k8s.io"]
    resources: ["mutatingwebhookconfigurations"]
    verbs: ["get", "list", "watch", "update", "patch"]

  # configuration validation webhook controller
  - apiGroups: ["admissionregistration.k8s.io"]
    resources: ["validatingwebhookconfigurations"]

					t.Fatalf("expected \"%s\" in command output, got %s", s, commandOutput)
				}
			}

			// check mutating webhooks after run
			webhooksAfter, _ := client.AdmissionregistrationV1().MutatingWebhookConfigurations().List(context.Background(), metav1.ListOptions{})
			if len(webhooksAfter.Items) != len(tc.webhooksAfter.Items) {
				t.Fatalf("expected %d after running, got %d", len(tc.webhooksAfter.Items), len(webhooksAfter.Items))