/*
Copyright 2022 The Karmada Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package util

import (
	"reflect"
	"testing"

	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/types"
	"k8s.io/client-go/kubernetes"
	"k8s.io/client-go/kubernetes/fake"
)

func TestCreateSecret(t *testing.T) {
	type args struct {
		client kubernetes.Interface
		secret *corev1.Secret
	}
	tests := []struct {
		name    string
		args    args
		want    *corev1.Secret
		wantErr bool
	}{
		{
			name: "already exist",
			args: args{
				client: fake.NewSimpleClientset(makeSecret("test")),
				secret: makeSecret("test"),
			},
			want:    makeSecret("test"),
			wantErr: false,
		},
		{
			name: "create error",
			args: args{
				client: alwaysErrorKubeClient,
				secret: makeSecret("test"),
			},
			want:    nil,
			wantErr: true,
		},
		{
			name: "create success",
			args: args{
				client: fake.NewSimpleClientset(),
				secret: makeSecret("test"),
			},
			want:    makeSecret("test"),
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := CreateSecret(tt.args.client, tt.args.secret)
			if (err != nil) != tt.wantErr {
				t.Errorf("CreateSecret() error = %v, wantErr %v", err, tt.wantErr)
				return
			}
			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("CreateSecret() got = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestGetSecret(t *testing.T) {
	type args struct {
		client    kubernetes.Interface
		namespace string
		name      string
	}
	tests := []struct {
		name    string
		args    args
		want    *corev1.Secret
		wantErr bool
	}{
		{
			name: "not found error",
			args: args{
				client:    fake.NewClientset(),
				namespace: metav1.NamespaceDefault,
				name:      "test",
			},
			wantErr: true,
		},
		{
			name: "get success",
			args: args{
				client:    fake.NewClientset(makeSecret("test")),
				namespace: metav1.NamespaceDefault,
				name:      "test",
			},
			want:    makeSecret("test"),
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := GetSecret(tt.args.client, tt.args.namespace, tt.args.name)
			if (err != nil) && tt.wantErr {
				return
			}

			if (err != nil) && !tt.wantErr {
				t.Fatalf("GetSecret() error = %v, wantErr %v", err, tt.wantErr)
			}

			if !reflect.DeepEqual(got, tt.want) {
				t.Errorf("GetSecret() got = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestPatchSecret(t *testing.T) {
	type args struct {
		client          kubernetes.Interface
		namespace       string
		name            string
		pt              types.PatchType
		patchSecretBody *corev1.Secret
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "not found error",
			args: args{
				client:          fake.NewSimpleClientset(),
				namespace:       metav1.NamespaceDefault,
				name:            "test",
				pt:              types.MergePatchType,
				patchSecretBody: makeSecret("test"),
			},
			wantErr: true,
		},
		{
			name: "patchType is not supported",
			args: args{
				client:          fake.NewSimpleClientset(makeSecret("test")),
				namespace:       metav1.NamespaceDefault,
				name:            "test",
				pt:              "",
				patchSecretBody: makeSecret("test"),
			},
			wantErr: true,
		},
		{
			name: "patch success",
			args: args{
				client:          fake.NewSimpleClientset(makeSecret("test")),
				namespace:       metav1.NamespaceDefault,
				name:            "test",
				pt:              types.MergePatchType,
				patchSecretBody: makeSecret("test"),
			},
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if err := PatchSecret(tt.args.client, tt.args.namespace, tt.args.name, tt.args.pt, tt.args.patchSecretBody); (err != nil) != tt.wantErr {
				t.Errorf("PatchSecret() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}

func makeSecret(name string) *corev1.Secret {
	return &corev1.Secret{
		ObjectMeta: metav1.ObjectMeta{
			Namespace: metav1.NamespaceDefault,
			Name:      name,
		},
	}
}