package admission

import (
	"context"
	"net/http"

	. "github.com/onsi/ginkgo/v2"
	. "github.com/onsi/gomega"

	admissionv1 "k8s.io/api/admission/v1"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/runtime/schema"
)

var _ = Describe("Defaulter Handler", func() {

	It("should return ok if received delete verb in defaulter handler", func() {
		obj := &TestDefaulter{}
		handler := DefaultingWebhookFor(admissionScheme, obj)

		resp := handler.Handle(context.TODO(), Request{
			AdmissionRequest: admissionv1.AdmissionRequest{
				Operation: admissionv1.Delete,
				OldObject: runtime.RawExtension{
					Raw: []byte("{}"),
				},
			},
		})
		Expect(resp.Allowed).Should(BeTrue())
		Expect(resp.Result.Code).Should(Equal(int32(http.StatusOK)))
	})

})

// TestDefaulter.
var _ runtime.Object = &TestDefaulter{}

type TestDefaulter struct {
	Replica int `json:"replica,omitempty"`
}

var testDefaulterGVK = schema.GroupVersionKind{Group: "foo.test.org", Version: "v1", Kind: "TestDefaulter"}

func (d *TestDefaulter) GetObjectKind() schema.ObjectKind { return d }
func (d *TestDefaulter) DeepCopyObject() runtime.Object {
	return &TestDefaulter{
		Replica: d.Replica,
	}
}

func (d *TestDefaulter) GroupVersionKind() schema.GroupVersionKind {
	return testDefaulterGVK
}

func (d *TestDefaulter) SetGroupVersionKind(gvk schema.GroupVersionKind) {}

var _ runtime.Object = &TestDefaulterList{}

type TestDefaulterList struct{}

func (*TestDefaulterList) GetObjectKind() schema.ObjectKind { return nil }
func (*TestDefaulterList) DeepCopyObject() runtime.Object   { return nil }

func (d *TestDefaulter) Default() {
	if d.Replica < 2 {
		d.Replica = 2
	}
}