// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements. See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership. The ASF licenses this file

// to you 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 (

"errors"

"fmt"

"strings"

"github.com/apache/cloudstack-cloudmonkey/config"

)

var helpCommand *Command

func init() {

helpCommand = &Command{

Name: "help",

Help: "Help",

Handle: func(r *Request) error {

if len(r.Args) < 1 || r.Args[0] == "-h" {

PrintUsage()

return nil

}

api := r.Config.GetCache()[strings.ToLower(r.Args[0])]

if api == nil {

return errors.New("unknown command or API requested")

}

fmt.Printf("\033[34m%s\033[0m: %s\n", api.Name, api.Description)

if api.Async {

fmt.Println("This API is \033[35masynchronous\033[0m.")

}

if len(api.RequiredArgs) > 0 {

fmt.Printf("Required params: ")

for _, requiredArg := range api.RequiredArgs {

fmt.Printf("%s, ", strings.Replace(requiredArg, "=", "", -1))

}

fmt.Println()

}

if len(api.Args) > 0 {

fmt.Printf("%-24s %-8s %s\n", "API Params", "Type", "Description")

fmt.Printf("%-24s %-8s %s\n", "==========", "====", "===========")

}

for _, arg := range api.Args {

if arg.Type == config.FAKE {

continue

}

fmt.Printf("\033[36m%-24s\033[0m \033[32m%-8s\033[0m ", strings.Replace(arg.Name, "=", "", -1), arg.Type)

info := []rune(arg.Description)

for i, r := range info {

fmt.Printf("%s", string(r))

if i > 0 && i%40 == 0 {

fmt.Println()

for i := 0; i < 34; i++ {

fmt.Printf(" ")

}

}

}

fmt.Println()

}

return nil

},

}

AddCommand(helpCommand)

}