/*
Copyright 2018 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 resource

import (
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/runtime/schema"
	"k8s.io/client-go/rest"
)

// TODO require negotiatedSerializer.  leaving it optional lets us plumb current behavior and deal with the difference after major plumbing is complete
func (clientConfigFn ClientConfigFunc) clientForGroupVersion(gv schema.GroupVersion, negotiatedSerializer runtime.NegotiatedSerializer) (RESTClient, error) {
	cfg, err := clientConfigFn()
	if err != nil {
		return nil, err
	}
	if negotiatedSerializer != nil {
		cfg.ContentConfig.NegotiatedSerializer = negotiatedSerializer
	}
	cfg.GroupVersion = &gv
	if len(gv.Group) == 0 {
		cfg.APIPath = "/api"
	} else {
		cfg.APIPath = "/apis"
	}

	return rest.RESTClientFor(cfg)
}

func (clientConfigFn ClientConfigFunc) unstructuredClientForGroupVersion(gv schema.GroupVersion) (RESTClient, error) {
	cfg, err := clientConfigFn()
	if err != nil {
		return nil, err
	}
	cfg.ContentConfig = UnstructuredPlusDefaultContentConfig()
	cfg.GroupVersion = &gv
	if len(gv.Group) == 0 {
		cfg.APIPath = "/api"
	} else {
		cfg.APIPath = "/apis"
	}

	return rest.RESTClientFor(cfg)
}

func (clientConfigFn ClientConfigFunc) withStdinUnavailable(stdinUnavailable bool) ClientConfigFunc {
	return func() (*rest.Config, error) {
		cfg, err := clientConfigFn()
		if stdinUnavailable && cfg != nil && cfg.ExecProvider != nil {
			cfg.ExecProvider.StdinUnavailable = stdinUnavailable
			cfg.ExecProvider.StdinUnavailableMessage = "used by stdin resource manifest reader"
		}
		return cfg, err
	}
}