// Copyright 2015 CoreOS, Inc.
//
// 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 command

import (
	"errors"

	"github.com/coreos/etcd/Godeps/_workspace/src/github.com/codegangsta/cli"
	"github.com/coreos/etcd/Godeps/_workspace/src/github.com/coreos/go-etcd/etcd"
)

// NewRemoveCommand returns the CLI command for "rmdir".
func NewRemoveDirCommand() cli.Command {
	return cli.Command{
		Name:  "rmdir",
		Usage: "removes the key if it is an empty directory or a key-value pair",
		Action: func(c *cli.Context) {
			handleDir(c, removeDirCommandFunc)
		},
	}
}

// removeDirCommandFunc executes the "rmdir" command.
func removeDirCommandFunc(c *cli.Context, client *etcd.Client) (*etcd.Response, error) {
	if len(c.Args()) == 0 {
		return nil, errors.New("Key required")
	}
	key := c.Args()[0]

	return client.DeleteDir(key)
}