// Copyright 2018 Istio 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 cmd

import (
	"github.com/spf13/cobra"
	"k8s.io/client-go/tools/clientcmd"

	"istio.io/istio/galley/cmd/shared"
	"istio.io/istio/galley/pkg/common"
	"istio.io/istio/galley/pkg/server"
)

func purgeCmd(fatalf shared.FormatFn) *cobra.Command {
	return &cobra.Command{
		Use:   "purge",
		Short: "Deletes internal configuration CRDs and resources.",
		Long:  "Delete the internal configuration CRDs and resources.",

		Run: func(cmd *cobra.Command, args []string) {
			if err := purgeResources(fatalf); err != nil {
				fatalf("%v", err)
			}
		}}
}

func purgeResources(fatalf shared.FormatFn) error {
	config, err := clientcmd.BuildConfigFromFlags("", flags.kubeConfig)
	if err != nil {
		return err
	}

	kube := common.NewKube(config)

	return server.Purge(kube, server.Mapping())
}
