eure/bobo

package command

import (
    "fmt"
    "strings"
)

// HelpCommand is an example command.
// This command shows all of the commands help text.
var HelpCommand = BasicCommandTemplate{
    Help:           "show command list and usages",
    MentionCommand: "help",
    GenerateFn: func(d CommandData) Command {
        c := Command{}

        mentionMap := d.GetMentionMap()
        mentions := make([]string, 0, len(mentionMap))
        for key, c := range mentionMap {
            if !c.HasHelp() {
                continue
            }
            str := fmt.Sprintf("- %s\t\t%s", key, c.GetHelp())
            mentions = append(mentions, str)
        }

        regexpList := d.GetRegexpList()
        freewords := make([]string, len(regexpList))
        for i, c := range regexpList {
            if !c.HasHelp() {
                continue
            }
            freewords[i] = fmt.Sprintf("- %s\t\t%s", c.GetRegexp().String(), c.GetHelp())
        }

        text := fmt.Sprintf("```Command:\n%s\n\nFreeword:\n%s```", strings.Join(mentions, "\n"), strings.Join(freewords, "\n"))
        task := NewReplyEngineTask(d.Engine, d.Channel, text)
        c.Add(task)
        return c
    },
}