// Copyright 2022 Google LLC
//
// 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 k8s

import (
	"fmt"

	apiextensions "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
)

func GetAPIVersionFromCRD(crd *apiextensions.CustomResourceDefinition) string {
	panicIfNoVersionPresent(crd)
	// Currently KCC CRDs only support one version.
	return fmt.Sprintf("%v/%v", crd.Spec.Group, crd.Spec.Versions[0].Name)
}

func GetVersionFromCRD(crd *apiextensions.CustomResourceDefinition) string {
	panicIfNoVersionPresent(crd)
	// Currently KCC CRDs only support one version.
	return crd.Spec.Versions[0].Name
}

func GetOpenAPIV3SchemaFromCRD(crd *apiextensions.CustomResourceDefinition) *apiextensions.JSONSchemaProps {
	panicIfNoVersionPresent(crd)
	// Currently KCC CRDs only support one version.
	return crd.Spec.Versions[0].Schema.OpenAPIV3Schema
}

func panicIfNoVersionPresent(crd *apiextensions.CustomResourceDefinition) {
	if len(crd.Spec.Versions) == 0 {
		panic(fmt.Sprintf("no versions present in CRD %v\n", crd.GetName()))
	}
}