package cluster

import (
	"context"
	"encoding/json"
	"fmt"
	"reflect"
	"testing"
	"time"

	"github.com/argoproj/argo-cd/gitops-engine/pkg/utils/kube/kubetest"
	"github.com/golang-jwt/jwt/v5"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/mock"
	"github.com/stretchr/testify/require"
	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/client-go/kubernetes/fake"

	"github.com/argoproj/argo-cd/v3/common"
	"github.com/argoproj/argo-cd/v3/pkg/apiclient/cluster"
	appv1 "github.com/argoproj/argo-cd/v3/pkg/apis/application/v1alpha1"
	servercache "github.com/argoproj/argo-cd/v3/server/cache"
	"github.com/argoproj/argo-cd/v3/server/deeplinks"
	"github.com/argoproj/argo-cd/v3/test"
	"github.com/argoproj/argo-cd/v3/util/assets"
	cacheutil "github.com/argoproj/argo-cd/v3/util/cache"
	appstatecache "github.com/argoproj/argo-cd/v3/util/cache/appstate"
	"github.com/argoproj/argo-cd/v3/util/db"
	dbmocks "github.com/argoproj/argo-cd/v3/util/db/mocks"
	"github.com/argoproj/argo-cd/v3/util/rbac"
	"github.com/argoproj/argo-cd/v3/util/settings"
)

const (
	rootCACert = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

	certData = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

	keyData = `-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----`
)

func newServerInMemoryCache() *servercache.Cache {
	return servercache.NewCache(
		appstatecache.NewCache(
			cacheutil.NewCache(cacheutil.NewInMemoryCache(1*time.Hour)),
			1*time.Minute,
		),
		1*time.Minute,
		1*time.Minute,
	)
}

func newNoopEnforcer() *rbac.Enforcer {
	enf := rbac.NewEnforcer(fake.NewClientset(test.NewFakeConfigMap()), test.FakeArgoCDNamespace, common.ArgoCDConfigMapName, nil)
	enf.EnableEnforce(false)
	return enf
}

func newEnforcer() *rbac.Enforcer {
	enforcer := rbac.NewEnforcer(fake.NewClientset(test.NewFakeConfigMap()), test.FakeArgoCDNamespace, common.ArgoCDRBACConfigMapName, nil)
	_ = enforcer.SetBuiltinPolicy(assets.BuiltinPolicyCSV)
	enforcer.SetDefaultRole("role:test")
	enforcer.SetClaimsEnforcerFunc(func(_ jwt.Claims, _ ...any) bool {
		return true
	})
	return enforcer
}

func TestUpdateCluster_RejectInvalidParams(t *testing.T) {
	t.Parallel()

	testCases := []struct {
		name    string
		request cluster.ClusterUpdateRequest
	}{
		{
			name:    "allowed cluster URL in body, disallowed cluster URL in query",
			request: cluster.ClusterUpdateRequest{Cluster: &appv1.Cluster{Name: "", Server: "https://127.0.0.1", Project: "", ClusterResources: true}, Id: &cluster.ClusterID{Type: "", Value: "https://127.0.0.2"}, UpdatedFields: []string{"clusterResources", "project"}},
		},
		{
			name:    "allowed cluster URL in body, disallowed cluster name in query",
			request: cluster.ClusterUpdateRequest{Cluster: &appv1.Cluster{Name: "", Server: "https://127.0.0.1", Project: "", ClusterResources: true}, Id: &cluster.ClusterID{Type: "name", Value: "disallowed-unscoped"}, UpdatedFields: []string{"clusterResources", "project"}},
		},
		{
			name:    "allowed cluster URL in body, disallowed cluster name in query, changing unscoped to scoped",
			request: cluster.ClusterUpdateRequest{Cluster: &appv1.Cluster{Name: "", Server: "https://127.0.0.1", Project: "allowed-project", ClusterResources: true}, Id: &cluster.ClusterID{Type: "", Value: "https://127.0.0.2"}, UpdatedFields: []string{"clusterResources", "project"}},
		},
		{
			name:    "allowed cluster URL in body, disallowed cluster URL in query, changing unscoped to scoped",
			request: cluster.ClusterUpdateRequest{Cluster: &appv1.Cluster{Name: "", Server: "https://127.0.0.1", Project: "allowed-project", ClusterResources: true}, Id: &cluster.ClusterID{Type: "name", Value: "disallowed-unscoped"}, UpdatedFields: []string{"clusterResources", "project"}},
		},
	}

	db := &dbmocks.ArgoDB{}

	clusters := []appv1.Cluster{
		{
			Name:   "allowed-unscoped",
			Server: "https://127.0.0.1",
		},
		{
			Name:   "disallowed-unscoped",
			Server: "https://127.0.0.2",
		},
		{
			Name:    "allowed-scoped",
			Server:  "https://127.0.0.3",
			Project: "allowed-project",
		},
		{
			Name:    "disallowed-scoped",
			Server:  "https://127.0.0.4",
			Project: "disallowed-project",
		},
	}

	db.EXPECT().ListClusters(mock.Anything).Return(
		&appv1.ClusterList{
			ListMeta: metav1.ListMeta{},
			Items:    clusters,
		}, nil,
	)
	db.EXPECT().UpdateCluster(mock.Anything, mock.Anything).RunAndReturn(
		func(_ context.Context, c *appv1.Cluster) (*appv1.Cluster, error) {
			for _, cluster := range clusters {
				if c.Server == cluster.Server {
					return c, nil
				}
			}
			return nil, fmt.Errorf("cluster '%s' not found", c.Server)
		},
	)
	db.EXPECT().GetCluster(mock.Anything, mock.Anything).RunAndReturn(
		func(_ context.Context, server string) (*appv1.Cluster, error) {
			for _, cluster := range clusters {
				if server == cluster.Server {
					return &cluster, nil
				}
			}
			return nil, fmt.Errorf("cluster '%s' not found", server)
		},
	)

	enf := rbac.NewEnforcer(fake.NewClientset(test.NewFakeConfigMap()), test.FakeArgoCDNamespace, common.ArgoCDConfigMapName, nil)
	_ = enf.SetBuiltinPolicy(`p, role:test, clusters, *, https://127.0.0.1, allow
p, role:test, clusters, *, allowed-project/*, allow`)
	enf.SetDefaultRole("role:test")
	server := NewServer(db, enf, newServerInMemoryCache(), &kubetest.MockKubectlCmd{})

	for _, c := range testCases {
		cc := c
		t.Run(cc.name, func(t *testing.T) {
			t.Parallel()
			out, err := server.Update(t.Context(), &cc.request)
			require.Nil(t, out)
			assert.ErrorIs(t, err, common.PermissionDeniedAPIError)
		})
	}
}

func TestGetCluster_UrlEncodedName(t *testing.T) {
	db := &dbmocks.ArgoDB{}

	mockCluster := appv1.Cluster{
		Name:       "test/ing",
		Server:     "https://127.0.0.1",
		Namespaces: []string{"default", "kube-system"},
	}
	mockClusterList := appv1.ClusterList{
		ListMeta: metav1.ListMeta{},
		Items: []appv1.Cluster{
			mockCluster,
		},
	}

	db.EXPECT().ListClusters(mock.Anything).Return(&mockClusterList, nil)

	server := NewServer(db, newNoopEnforcer(), newServerInMemoryCache(), &kubetest.MockKubectlCmd{})

	localCluster, err := server.Get(t.Context(), &cluster.ClusterQuery{
		Id: &cluster.ClusterID{
			Type:  "name_escaped",
			Value: "test%2fing",
		},
	})
	require.NoError(t, err)

	assert.Equal(t, "test/ing", localCluster.Name)
}

func TestGetCluster_NameWithUrlEncodingButShouldNotBeUnescaped(t *testing.T) {
	db := &dbmocks.ArgoDB{}

	mockCluster := appv1.Cluster{
		Name:       "test%2fing",
		Server:     "https://127.0.0.1",
		Namespaces: []string{"default", "kube-system"},
	}
	mockClusterList := appv1.ClusterList{
		ListMeta: metav1.ListMeta{},
		Items: []appv1.Cluster{
			mockCluster,
		},
	}

	db.EXPECT().ListClusters(mock.Anything).Return(&mockClusterList, nil)

	server := NewServer(db, newNoopEnforcer(), newServerInMemoryCache(), &kubetest.MockKubectlCmd{})

	localCluster, err := server.Get(t.Context(), &cluster.ClusterQuery{
		Id: &cluster.ClusterID{
			Type:  "name",
			Value: "test%2fing",
		},
	})
	require.NoError(t, err)

	assert.Equal(t, "test%2fing", localCluster.Name)
}

func TestGetCluster_CannotSetCADataAndInsecureTrue(t *testing.T) {
	testNamespace := "default"
	localCluster := &appv1.Cluster{
		Name:       "my-cluster-name",
		Server:     "https://my-cluster-server",
		Namespaces: []string{testNamespace},
		Config: appv1.ClusterConfig{
			TLSClientConfig: appv1.TLSClientConfig{
				Insecure: true,
				CAData:   []byte(rootCACert),
				CertData: []byte(certData),
				KeyData:  []byte(keyData),
			},
		},
	}
	clientset := getClientset(nil, testNamespace)
	db := db.NewDB(testNamespace, settings.NewSettingsManager(t.Context(), clientset, testNamespace), clientset)
	server := NewServer(db, newNoopEnforcer(), newServerInMemoryCache(), &kubetest.MockKubectlCmd{})

	t.Run("Create Fails When CAData is Set and Insecure is True", func(t *testing.T) {
		_, err := server.Create(t.Context(), &cluster.ClusterCreateRequest{
			Cluster: localCluster,
		})

		assert.EqualError(t, err, `error getting REST config: unable to apply K8s REST config defaults: specifying a root certificates file with the insecure flag is not allowed`)
	})

	localCluster.Config.CAData = nil
	t.Run("Create Succeeds When CAData is nil and Insecure is True", func(t *testing.T) {
		_, err := server.Create(t.Context(), &cluster.ClusterCreateRequest{
			Cluster: localCluster,
		})
		require.NoError(t, err)
	})
}

func TestUpdateCluster_NoFieldsPaths(t *testing.T) {
	db := &dbmocks.ArgoDB{}
	var updated *appv1.Cluster

	clusters := []appv1.Cluster{
		{
			Name:       "minikube",
			Server:     "https://127.0.0.1",
			Namespaces: []string{"default", "kube-system"},
		},
	}

	clusterList := appv1.ClusterList{
		ListMeta: metav1.ListMeta{},
		Items:    clusters,
	}

	db.EXPECT().ListClusters(mock.Anything).Return(&clusterList, nil)
	db.EXPECT().UpdateCluster(mock.Anything, mock.MatchedBy(func(c *appv1.Cluster) bool {
		updated = c
		return true
	})).Return(&appv1.Cluster{}, nil)

	server := NewServer(db, newNoopEnforcer(), newServerInMemoryCache(), &kubetest.MockKubectlCmd{})

	_, err := server.Update(t.Context(), &cluster.ClusterUpdateRequest{
		Cluster: &appv1.Cluster{
			Name:       "minikube",
			Namespaces: []string{"default", "kube-system"},
		},
	})

	require.NoError(t, err)

	assert.Equal(t, "minikube", updated.Name)
	assert.Equal(t, []string{"default", "kube-system"}, updated.Namespaces)
}

func TestUpdateCluster_FieldsPathSet(t *testing.T) {
	db := &dbmocks.ArgoDB{}
	var updated *appv1.Cluster
	db.EXPECT().GetCluster(mock.Anything, "https://127.0.0.1").Return(&appv1.Cluster{
		Name:       "minikube",
		Server:     "https://127.0.0.1",
		Namespaces: []string{"default", "kube-system"},
	}, nil)
	db.EXPECT().UpdateCluster(mock.Anything, mock.MatchedBy(func(c *appv1.Cluster) bool {
		updated = c
		return true
	})).Return(&appv1.Cluster{}, nil)

	server := NewServer(db, newNoopEnforcer(), newServerInMemoryCache(), &kubetest.MockKubectlCmd{})

	_, err := server.Update(t.Context(), &cluster.ClusterUpdateRequest{
		Cluster: &appv1.Cluster{
			Server: "https://127.0.0.1",
			Shard:  new(int64(1)),
		},
		UpdatedFields: []string{"shard"},
	})

	require.NoError(t, err)

	assert.Equal(t, "minikube", updated.Name)
	assert.Equal(t, []string{"default", "kube-system"}, updated.Namespaces)
	assert.Equal(t, int64(1), *updated.Shard)

	labelEnv := map[string]string{
		"env": "qa",
	}
	_, err = server.Update(t.Context(), &cluster.ClusterUpdateRequest{
		Cluster: &appv1.Cluster{
			Server: "https://127.0.0.1",
			Labels: labelEnv,
		},
		UpdatedFields: []string{"labels"},
	})

	require.NoError(t, err)

	assert.Equal(t, "minikube", updated.Name)
	assert.Equal(t, []string{"default", "kube-system"}, updated.Namespaces)
	assert.Equal(t, updated.Labels, labelEnv)

	annotationEnv := map[string]string{
		"env": "qa",
	}
	_, err = server.Update(t.Context(), &cluster.ClusterUpdateRequest{
		Cluster: &appv1.Cluster{
			Server:      "https://127.0.0.1",
			Annotations: annotationEnv,
		},
		UpdatedFields: []string{"annotations"},
	})

	require.NoError(t, err)

	assert.Equal(t, "minikube", updated.Name)
	assert.Equal(t, []string{"default", "kube-system"}, updated.Namespaces)
	assert.Equal(t, updated.Annotations, annotationEnv)

	_, err = server.Update(t.Context(), &cluster.ClusterUpdateRequest{
		Cluster: &appv1.Cluster{
			Server:  "https://127.0.0.1",
			Project: "new-project",
		},
		UpdatedFields: []string{"project"},
	})

	require.NoError(t, err)

	assert.Equal(t, "minikube", updated.Name)
	assert.Equal(t, []string{"default", "kube-system"}, updated.Namespaces)
	assert.Equal(t, "new-project", updated.Project)
}

func TestDeleteClusterByName(t *testing.T) {
	testNamespace := "default"
	clientset := getClientset(nil, testNamespace, &corev1.Secret{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "my-cluster-secret",
			Namespace: testNamespace,
			Labels: map[string]string{
				common.LabelKeySecretType: common.LabelValueSecretTypeCluster,
			},
			Annotations: map[string]string{
				common.AnnotationKeyManagedBy: common.AnnotationValueManagedByArgoCD,
			},
		},
		Data: map[string][]byte{
			"name":   []byte("my-cluster-name"),
			"server": []byte("https://my-cluster-server"),
			"config": []byte("{}"),
		},
	})
	db := db.NewDB(testNamespace, settings.NewSettingsManager(t.Context(), clientset, testNamespace), clientset)
	server := NewServer(db, newNoopEnforcer(), newServerInMemoryCache(), &kubetest.MockKubectlCmd{})

	t.Run("Delete Fails When Deleting by Unknown Name", func(t *testing.T) {
		_, err := server.Delete(t.Context(), &cluster.ClusterQuery{
			Name: "foo",
		})

		assert.EqualError(t, err, `failed to get cluster with permissions check: rpc error: code = PermissionDenied desc = permission denied`)
	})

	t.Run("Delete Succeeds When Deleting by Name", func(t *testing.T) {
		_, err := server.Delete(t.Context(), &cluster.ClusterQuery{
			Name: "my-cluster-name",
		})
		require.NoError(t, err)

		_, err = db.GetCluster(t.Context(), "https://my-cluster-server")
		assert.EqualError(t, err, `rpc error: code = NotFound desc = cluster "https://my-cluster-server" not found`)
	})
}

func TestRotateAuth(t *testing.T) {
	testNamespace := "kube-system"
	token := "eyJhbGciOiJSUzI1NiIsImtpZCI6IiJ9.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.ytZjt2pDV8-A7DBMR06zQ3wt9cuVEfq262TQw7sdra-KRpDpMPnziMhc8bkwvgW-LGhTWUh5iu1y-1QhEx6mtbCt7vQArlBRxfvM5ys6ClFkplzq5c2TtZ7EzGSD0Up7tdxuG9dvR6TGXYdfFcG779yCdZo2H48sz5OSJfdEriduMEY1iL5suZd3ebOoVi1fGflmqFEkZX6SvxkoArl5mtNP6TvZ1eTcn64xh4ws152hxio42E-eSnl_CET4tpB5vgP5BVlSKW2xB7w2GJxqdETA5LJRI_OilY77dTOp8cMr_Ck3EOeda3zHfh4Okflg8rZFEeAuJYahQNeAILLkcA"
	config := appv1.ClusterConfig{
		BearerToken: token,
	}

	configMarshal, err := json.Marshal(config)
	require.NoError(t, err, "failed to marshal config for test")

	clientset := getClientset(nil, testNamespace,
		&corev1.Secret{
			ObjectMeta: metav1.ObjectMeta{
				Name:      "my-cluster-secret",
				Namespace: testNamespace,
				Labels: map[string]string{
					common.LabelKeySecretType: common.LabelValueSecretTypeCluster,
				},
				Annotations: map[string]string{
					common.AnnotationKeyManagedBy: common.AnnotationValueManagedByArgoCD,
				},
			},
			Data: map[string][]byte{
				"name":   []byte("my-cluster-name"),
				"server": []byte("https://my-cluster-name"),
				"config": configMarshal,
			},
		},
		&corev1.Namespace{
			ObjectMeta: metav1.ObjectMeta{
				Name: "kube-system",
			},
		},
		&corev1.Secret{
			ObjectMeta: metav1.ObjectMeta{
				Name:      "argocd-manager-token-tj79r",
				Namespace: "kube-system",
			},
			Data: map[string][]byte{
				"token": []byte(token),
			},
		},
		&corev1.ServiceAccount{
			ObjectMeta: metav1.ObjectMeta{
				Name:      "argocd-manager",
				Namespace: "kube-system",
			},
			Secrets: []corev1.ObjectReference{
				{
					Kind: "Secret",
					Name: "argocd-manager-token-tj79r",
				},
			},
		})

	db := db.NewDB(testNamespace, settings.NewSettingsManager(t.Context(), clientset, testNamespace), clientset)
	server := NewServer(db, newNoopEnforcer(), newServerInMemoryCache(), &kubetest.MockKubectlCmd{})

	t.Run("RotateAuth by Unknown Name", func(t *testing.T) {
		_, err := server.RotateAuth(t.Context(), &cluster.ClusterQuery{
			Name: "foo",
		})

		assert.EqualError(t, err, `failed to get cluster with permissions check: rpc error: code = PermissionDenied desc = permission denied`)
	})

	// While the tests results for the next two tests result in an error, they do
	// demonstrate the proper mapping of cluster names/server to server info (i.e. my-cluster-name
	// results in https://my-cluster-name info being used and https://my-cluster-name results in https://my-cluster-name).
	t.Run("RotateAuth by Name - Error from no such host", func(t *testing.T) {
		_, err := server.RotateAuth(t.Context(), &cluster.ClusterQuery{
			Name: "my-cluster-name",
		})

		assert.ErrorContains(t, err, "Get \"https://my-cluster-name/")
	})

	t.Run("RotateAuth by Server - Error from no such host", func(t *testing.T) {
		_, err := server.RotateAuth(t.Context(), &cluster.ClusterQuery{
			Server: "https://my-cluster-name",
		})

		assert.ErrorContains(t, err, "Get \"https://my-cluster-name/")
	})
}

func getClientset(config map[string]string, ns string, objects ...runtime.Object) *fake.Clientset {
	secret := corev1.Secret{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "argocd-secret",
			Namespace: ns,
		},
		Data: map[string][]byte{
			"admin.password":   []byte("test"),
			"server.secretkey": []byte("test"),
		},
	}
	cm := corev1.ConfigMap{
		ObjectMeta: metav1.ObjectMeta{
			Name:      "argocd-cm",
			Namespace: ns,
			Labels: map[string]string{
				"app.kubernetes.io/part-of": "argocd",
			},
		},
		Data: config,
	}
	return fake.NewClientset(append(objects, &cm, &secret)...)
}

func TestListCluster(t *testing.T) {
	t.Parallel()

	db := &dbmocks.ArgoDB{}

	fooCluster := appv1.Cluster{
		Name:       "foo",
		Server:     "https://127.0.0.1",
		Namespaces: []string{"default", "kube-system"},
	}
	barCluster := appv1.Cluster{
		Name:       "bar",
		Server:     "https://192.168.0.1",
		Namespaces: []string{"default", "kube-system"},
	}
	bazCluster := appv1.Cluster{
		Name:       "test/ing",
		Server:     "https://testing.com",
		Namespaces: []string{"default", "kube-system"},
	}

	mockClusterList := appv1.ClusterList{
		ListMeta: metav1.ListMeta{},
		Items:    []appv1.Cluster{fooCluster, barCluster, bazCluster},
	}

	db.EXPECT().ListClusters(mock.Anything).Return(&mockClusterList, nil)

	s := NewServer(db, newNoopEnforcer(), newServerInMemoryCache(), &kubetest.MockKubectlCmd{})

	tests := []struct {
		name    string
		q       *cluster.ClusterQuery
		want    *appv1.ClusterList
		wantErr bool
	}{
		{
			name: "filter by name",
			q: &cluster.ClusterQuery{
				Name: fooCluster.Name,
			},
			want: &appv1.ClusterList{
				ListMeta: metav1.ListMeta{},
				Items:    []appv1.Cluster{fooCluster},
			},
		},
		{
			name: "filter by server",
			q: &cluster.ClusterQuery{
				Server: barCluster.Server,
			},
			want: &appv1.ClusterList{
				ListMeta: metav1.ListMeta{},
				Items:    []appv1.Cluster{barCluster},
			},
		},
		{
			name: "filter by id - name",
			q: &cluster.ClusterQuery{
				Id: &cluster.ClusterID{
					Type:  "name",
					Value: fooCluster.Name,
				},
			},
			want: &appv1.ClusterList{
				ListMeta: metav1.ListMeta{},
				Items:    []appv1.Cluster{fooCluster},
			},
		},
		{
			name: "filter by id - name_escaped",
			q: &cluster.ClusterQuery{
				Id: &cluster.ClusterID{
					Type:  "name_escaped",
					Value: "test%2fing",
				},
			},
			want: &appv1.ClusterList{
				ListMeta: metav1.ListMeta{},
				Items:    []appv1.Cluster{bazCluster},
			},
		},
		{
			name: "filter by id - server",
			q: &cluster.ClusterQuery{
				Id: &cluster.ClusterID{
					Type:  "server",
					Value: barCluster.Server,
				},
			},
			want: &appv1.ClusterList{
				ListMeta: metav1.ListMeta{},
				Items:    []appv1.Cluster{barCluster},
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			got, err := s.List(t.Context(), tt.q)
			if tt.wantErr {
				assert.Error(t, err, "Server.List()")
			} else {
				require.NoError(t, err)
				assert.Truef(t, reflect.DeepEqual(got, tt.want), "Server.List() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestGetClusterAndVerifyAccess(t *testing.T) {
	t.Run("GetClusterAndVerifyAccess - No Cluster", func(t *testing.T) {
		db := &dbmocks.ArgoDB{}

		mockCluster := appv1.Cluster{
			Name:       "test/ing",
			Server:     "https://127.0.0.1",
			Namespaces: []string{"default", "kube-system"},
		}
		mockClusterList := appv1.ClusterList{
			ListMeta: metav1.ListMeta{},
			Items: []appv1.Cluster{
				mockCluster,
			},
		}

		db.EXPECT().ListClusters(mock.Anything).Return(&mockClusterList, nil)

		server := NewServer(db, newNoopEnforcer(), newServerInMemoryCache(), &kubetest.MockKubectlCmd{})
		localCluster, err := server.getClusterAndVerifyAccess(t.Context(), &cluster.ClusterQuery{
			Name: "test/not-exists",
		}, rbac.ActionGet)

		assert.Nil(t, localCluster)
		assert.ErrorIs(t, err, common.PermissionDeniedAPIError)
	})

	t.Run("GetClusterAndVerifyAccess - Permissions Denied", func(t *testing.T) {
		db := &dbmocks.ArgoDB{}

		mockCluster := appv1.Cluster{
			Name:       "test/ing",
			Server:     "https://127.0.0.1",
			Namespaces: []string{"default", "kube-system"},
		}
		mockClusterList := appv1.ClusterList{
			ListMeta: metav1.ListMeta{},
			Items: []appv1.Cluster{
				mockCluster,
			},
		}

		db.EXPECT().ListClusters(mock.Anything).Return(&mockClusterList, nil)

		server := NewServer(db, newEnforcer(), newServerInMemoryCache(), &kubetest.MockKubectlCmd{})
		localCluster, err := server.getClusterAndVerifyAccess(t.Context(), &cluster.ClusterQuery{
			Name: "test/ing",
		}, rbac.ActionGet)

		assert.Nil(t, localCluster)
		assert.ErrorIs(t, err, common.PermissionDeniedAPIError)
	})
}

func TestNoClusterEnumeration(t *testing.T) {
	db := &dbmocks.ArgoDB{}

	mockCluster := appv1.Cluster{
		Name:       "test/ing",
		Server:     "https://127.0.0.1",
		Namespaces: []string{"default", "kube-system"},
	}
	mockClusterList := appv1.ClusterList{
		ListMeta: metav1.ListMeta{},
		Items: []appv1.Cluster{
			mockCluster,
		},
	}

	db.EXPECT().ListClusters(mock.Anything).Return(&mockClusterList, nil)
	db.EXPECT().GetCluster(mock.Anything, mock.Anything).Return(&mockCluster, nil)

	server := NewServer(db, newEnforcer(), newServerInMemoryCache(), &kubetest.MockKubectlCmd{})

	t.Run("Get", func(t *testing.T) {
		_, err := server.Get(t.Context(), &cluster.ClusterQuery{
			Name: "cluster-not-exists",
		})
		require.ErrorIs(t, err, common.PermissionDeniedAPIError, "error message must be _only_ the permission error, to avoid leaking information about cluster existence")

		_, err = server.Get(t.Context(), &cluster.ClusterQuery{
			Name: "test/ing",
		})
		assert.ErrorIs(t, err, common.PermissionDeniedAPIError, "error message must be _only_ the permission error, to avoid leaking information about cluster existence")
	})

	t.Run("Update", func(t *testing.T) {
		_, err := server.Update(t.Context(), &cluster.ClusterUpdateRequest{
			Cluster: &appv1.Cluster{
				Name: "cluster-not-exists",
			},
		})
		require.ErrorIs(t, err, common.PermissionDeniedAPIError, "error message must be _only_ the permission error, to avoid leaking information about cluster existence")

		_, err = server.Update(t.Context(), &cluster.ClusterUpdateRequest{
			Cluster: &appv1.Cluster{
				Name: "test/ing",
			},
		})
		assert.ErrorIs(t, err, common.PermissionDeniedAPIError, "error message must be _only_ the permission error, to avoid leaking information about cluster existence")
	})

	t.Run("Delete", func(t *testing.T) {
		_, err := server.Delete(t.Context(), &cluster.ClusterQuery{
			Server: "https://127.0.0.2",
		})
		require.ErrorIs(t, err, common.PermissionDeniedAPIError, "error message must be _only_ the permission error, to avoid leaking information about cluster existence")

		_, err = server.Delete(t.Context(), &cluster.ClusterQuery{
			Server: "https://127.0.0.1",
		})
		assert.ErrorIs(t, err, common.PermissionDeniedAPIError, "error message must be _only_ the permission error, to avoid leaking information about cluster existence")
	})

	t.Run("RotateAuth", func(t *testing.T) {
		_, err := server.RotateAuth(t.Context(), &cluster.ClusterQuery{
			Server: "https://127.0.0.2",
		})
		require.ErrorIs(t, err, common.PermissionDeniedAPIError, "error message must be _only_ the permission error, to avoid leaking information about cluster existence")

		_, err = server.RotateAuth(t.Context(), &cluster.ClusterQuery{
			Server: "https://127.0.0.1",
		})
		assert.ErrorIs(t, err, common.PermissionDeniedAPIError, "error message must be _only_ the permission error, to avoid leaking information about cluster existence")
	})

	t.Run("InvalidateCache", func(t *testing.T) {
		_, err := server.InvalidateCache(t.Context(), &cluster.ClusterQuery{
			Server: "https://127.0.0.2",
		})
		require.ErrorIs(t, err, common.PermissionDeniedAPIError, "error message must be _only_ the permission error, to avoid leaking information about cluster existence")

		_, err = server.InvalidateCache(t.Context(), &cluster.ClusterQuery{
			Server: "https://127.0.0.1",
		})
		assert.ErrorIs(t, err, common.PermissionDeniedAPIError, "error message must be _only_ the permission error, to avoid leaking information about cluster existence")
	})
}

func TestCreateDeepLinksObject_ManagedByURL(t *testing.T) {
	t.Run("includes managed-by-url if annotation exists", func(t *testing.T) {
		app := &unstructured.Unstructured{
			Object: map[string]any{
				"metadata": map[string]any{
					"annotations": map[string]any{
						appv1.AnnotationKeyManagedByURL: "https://example.com/argo",
					},
				},
			},
		}

		result := deeplinks.CreateDeepLinksObject(nil, app, nil, nil)
		require.Equal(t, "https://example.com/argo", result[deeplinks.ManagedByURLKey])
	})

	t.Run("omits managed-by-url if annotation missing", func(t *testing.T) {
		app := &unstructured.Unstructured{
			Object: map[string]any{
				"metadata": map[string]any{},
			},
		}

		result := deeplinks.CreateDeepLinksObject(nil, app, nil, nil)
		_, exists := result[deeplinks.ManagedByURLKey]
		require.False(t, exists)
	})
}
