/*
Copyright 2016 The Kubernetes 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 v1

import (
	"k8s.io/kubernetes/pkg/runtime/schema"
)

// ListMetaAccessor retrieves the list interface from an object
// TODO: move this, and TypeMeta and ListMeta, to a different package
type ListMetaAccessor interface {
	GetListMeta() List
}

// List lets you work with list metadata from any of the versioned or
// internal API objects. Attempting to set or retrieve a field on an object that does
// not support that field will be a no-op and return a default value.
// TODO: move this, and TypeMeta and ListMeta, to a different package
type List interface {
	GetResourceVersion() string
	SetResourceVersion(version string)
	GetSelfLink() string
	SetSelfLink(selfLink string)
}

// Type exposes the type and APIVersion of versioned or internal API objects.
// TODO: move this, and TypeMeta and ListMeta, to a different package
type Type interface {
	GetAPIVersion() string
	SetAPIVersion(version string)
	GetKind() string
	SetKind(kind string)
}

func (meta *ListMeta) GetResourceVersion() string        { return meta.ResourceVersion }
func (meta *ListMeta) SetResourceVersion(version string) { meta.ResourceVersion = version }
func (meta *ListMeta) GetSelfLink() string               { return meta.SelfLink }
func (meta *ListMeta) SetSelfLink(selfLink string)       { meta.SelfLink = selfLink }

func (obj *TypeMeta) GetObjectKind() schema.ObjectKind { return obj }

// SetGroupVersionKind satisfies the ObjectKind interface for all objects that embed TypeMeta
func (obj *TypeMeta) SetGroupVersionKind(gvk schema.GroupVersionKind) {
	obj.APIVersion, obj.Kind = gvk.ToAPIVersionAndKind()
}

// GroupVersionKind satisfies the ObjectKind interface for all objects that embed TypeMeta
func (obj *TypeMeta) GroupVersionKind() schema.GroupVersionKind {
	return schema.FromAPIVersionAndKind(obj.APIVersion, obj.Kind)
}

func (obj *ListMeta) GetListMeta() List { return obj }