/*
Copyright 2016 The Rook Authors. 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 enums

import (
	"fmt"
	"strings"
)

type DockerSubCommand int

const (
	Exec DockerSubCommand = iota + 1
	Run
	Copy
	Ps
	Pull
	Save
	Kill
	Rm
	Empty
)

var dockerSubCommands = [...]string{
	"exec",
	"run",
	"cp",
	"ps",
	"pull",
	"save",
	"kill",
	"rm",
	"Empty",
}

func (subCommand DockerSubCommand) String() string {
	return dockerSubCommands[subCommand-1]
}

func GetDockerSubCommandFromString(name string) (DockerSubCommand, error) {
	switch {
	case strings.EqualFold(name, Exec.String()):
		return Exec, nil
	case strings.EqualFold(name, Run.String()):
		return Run, nil
	case strings.EqualFold(name, Copy.String()):
		return Copy, nil
	case strings.EqualFold(name, Ps.String()):
		return Ps, nil
	case strings.EqualFold(name, Pull.String()):
		return Pull, nil
	case strings.EqualFold(name, Save.String()):
		return Save, nil
	case strings.EqualFold(name, Kill.String()):
		return Kill, nil
	case strings.EqualFold(name, Rm.String()):
		return Rm, nil
	case strings.EqualFold(name, Empty.String()):
		return Empty, nil
	default:
		return Empty, fmt.Errorf("Unsupported Docker sub-command")
	}
}