package interpret

import (
	"testing"

	"k8s.io/cli-runtime/pkg/genericclioptions"
	"k8s.io/cli-runtime/pkg/resource"

	cmdtesting "github.com/karmada-io/karmada/pkg/karmadactl/util/testing"
	"github.com/karmada-io/karmada/pkg/util/interpreter"
)

func TestOptions_runExecute(t *testing.T) {
	tests := []struct {
		name    string
		options *Options
		want    string
		wantErr bool
	}{
		{
			name: "execute retain",
			options: &Options{
				FilenameOptions: resource.FilenameOptions{Filenames: []string{"./testdata/customization.yml"}},
				Operation:       "retain",
				DesiredFile:     "./testdata/desired.yml",
				ObservedFile:    "./testdata/observed.yml",
				Rules:           interpreter.AllResourceInterpreterCustomizationRules,
			},
			want: `---
# [1/1] retained:
apiVersion: apps/v1
kind: Deployment
metadata:
    annotations:
        cluster: cluster1
    name: nginx
spec:
    replicas: 3
    selector:
        matchLabels:
            app: nginx
    template:
        metadata:
            labels:
                app: nginx
        spec:
            containers:
                - image: nginx:alpine
                  name: nginx
`,
		},
		{
			name: "execute interpretReplica",
			options: &Options{
				FilenameOptions: resource.FilenameOptions{Filenames: []string{"./testdata/customization.yml"}},
				Operation:       "interpretReplica",
				ObservedFile:    "./testdata/observed.yml",
				Rules:           interpreter.AllResourceInterpreterCustomizationRules,
			},
			want: `---
# [1/2] replica:
3
---
# [2/2] requires:
resourceRequest:
    cpu: 100m
`,
		},
		{
			name: "execute reviseReplica",
			options: &Options{
				FilenameOptions: resource.FilenameOptions{Filenames: []string{"./testdata/customization.yml"}},
				Operation:       "reviseReplica",
				ObservedFile:    "./testdata/observed.yml",
				DesiredReplica:  2,
				Rules:           interpreter.AllResourceInterpreterCustomizationRules,
			},
			want: `---
# [1/1] revised:
apiVersion: apps/v1
kind: Deployment
metadata:
    annotations:
        cluster: cluster1
    name: nginx
spec:
    replicas: 2
    selector:
        matchLabels:
            app: nginx
    template:
        metadata:
            labels:
                app: nginx
        spec:
            containers:
                - image: nginx:alpine
                  name: nginx
                  resources:
                    limits:
                        cpu: 100m
status:
    readyReplicas: 3
`,
		},
		{
			name: "execute interpretStatus",
			options: &Options{
				FilenameOptions: resource.FilenameOptions{Filenames: []string{"./testdata/customization.yml"}},
				Operation:       "interpretStatus",
				ObservedFile:    "./testdata/observed.yml",
				Rules:           interpreter.AllResourceInterpreterCustomizationRules,
			},
			want: `---
# [1/1] status:
readyReplicas: 3
`,
		},
		{
			name: "execute interpretHealth",
			options: &Options{
				FilenameOptions: resource.FilenameOptions{Filenames: []string{"./testdata/customization.yml"}},
				Operation:       "interpretHealth",
				ObservedFile:    "./testdata/observed.yml",
				Rules:           interpreter.AllResourceInterpreterCustomizationRules,
			},
			want: `---
# [1/1] healthy:
true
`,
		},
		{
			name: "execute interpretDependency",
			options: &Options{
				FilenameOptions: resource.FilenameOptions{Filenames: []string{"./testdata/customization.yml"}},
				Operation:       "interpretDependency",
				ObservedFile:    "./testdata/observed.yml",
				Rules:           interpreter.AllResourceInterpreterCustomizationRules,
			},
			want: `---
# [1/1] dependencies:
- apiVersion: v1
  kind: ServiceAccount
  name: nginx
`,
		},
		{
			name: "execute aggregateStatus",
			options: &Options{
				FilenameOptions: resource.FilenameOptions{Filenames: []string{"./testdata/customization.yml"}},
				Operation:       "aggregateStatus",
				ObservedFile:    "./testdata/observed.yml",
				StatusFile:      "./testdata/status.yml",
				Rules:           interpreter.AllResourceInterpreterCustomizationRules,
			},
			want: `---
# [1/1] aggregatedStatus:
apiVersion: apps/v1
kind: Deployment
metadata:
    annotations:
        cluster: cluster1
    name: nginx
spec:
    replicas: 3
    selector:
        matchLabels:
            app: nginx
    template:
        metadata:
            labels:
                app: nginx
        spec:
            containers:
                - image: nginx:alpine
                  name: nginx
                  resources:
                    limits:
                        cpu: 100m
status:
    readyReplicas: 5
`,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			tf := cmdtesting.NewTestFactory()
			defer tf.Cleanup()

			streams, _, buf, _ := genericclioptions.NewTestIOStreams()
			tt.options.IOStreams = streams
			if err := tt.options.Complete(tf, nil, nil); err != nil {
				t.Fatal(err)
			}
			if err := tt.options.Validate(); err != nil {
				t.Fatal(err)
			}

			err := tt.options.Run()
			if (err != nil) != tt.wantErr {
				t.Errorf("runExecute() error = %v, wantErr %v", err, tt.wantErr)
			}
			if got := buf.String(); got != tt.want {
				t.Errorf("runExecute() = %q, want %q", got, tt.want)
			}
		})
	}
}