/*
Copyright (c) 2018 VMware, Inc. All Rights Reserved.

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 snapshot

import (
	"context"
	"flag"
	"fmt"

	"github.com/vmware/govmomi/govc/cli"
	"github.com/vmware/govmomi/govc/flags"
	"github.com/vmware/govmomi/vslm"
)

type rm struct {
	*flags.DatastoreFlag
}

func init() {
	cli.Register("disk.snapshot.rm", &rm{})
}

func (cmd *rm) Register(ctx context.Context, f *flag.FlagSet) {
	cmd.DatastoreFlag, ctx = flags.NewDatastoreFlag(ctx)
	cmd.DatastoreFlag.Register(ctx, f)
}

func (cmd *rm) Usage() string {
	return "ID SID"
}

func (cmd *rm) Description() string {
	return `Remove disk ID snapshot ID on DS.

Examples:
  govc disk.snapshot.rm ffe6a398-eb8e-4eaa-9118-e1f16b8b8e3c ecbca542-0a25-4127-a585-82e4047750d6`
}

func (cmd *rm) Run(ctx context.Context, f *flag.FlagSet) error {
	ds, err := cmd.Datastore()
	if err != nil {
		return err
	}

	sid := f.Arg(1)
	m := vslm.NewObjectManager(ds.Client())

	task, err := m.DeleteSnapshot(ctx, ds, f.Arg(0), sid)
	if err != nil {
		return err
	}
	logger := cmd.ProgressLogger(fmt.Sprintf("Deleting %s...", sid))
	defer logger.Wait()

	_, err = task.WaitForResult(ctx, logger)
	return err
}
