1package main
 2
 3import (
 4	"strings"
 5
 6	"github.com/bwmarrin/discordgo"
 7)
 8
 9var (
10	handlersMap   map[string]BotCommand
11	shortCommands = map[string]string{}
12)
13
14func InitHandlers() {
15	handlersMap = map[string]BotCommand{
16		"echo":   {ShortCode: "e", Handler: handleEcho, Help: "echoes a message"},
17		"shoot":  {ShortCode: "sh", Handler: handleShoot, Help: "shoots a random user in your voice channel"},
18		"prefix": {Handler: handlePrefix, Help: "sets the bot's prefix"},
19		"help":   {ShortCode: "h", Handler: handleHelp, Help: "shows this help message"},
20	}
21
22	for command, botCommand := range handlersMap {
23		if botCommand.ShortCode == "" {
24			continue
25		}
26		shortCommands[botCommand.ShortCode] = command
27	}
28}
29
30func handleEcho(args []string, s *discordgo.Session, m *discordgo.MessageCreate) string {
31	return strings.Join(args, " ")
32}
33
34func handlePrefix(args []string, s *discordgo.Session, m *discordgo.MessageCreate) string {
35	if len(args) == 0 {
36		return "Usage: " + formatCommand("prefix <new prefix>")
37	}
38
39	newPrefix := args[0]
40	if len(newPrefix) > 10 {
41		return "Prefix is too long."
42	}
43
44	config.Values.Prefix = newPrefix
45	err := config.Save()
46	if err != nil {
47		logger.Errorf("could not save config: %s", err)
48	}
49
50	return "Prefix set to " + formatCommand("")
51}
52
53func handleHelp(args []string, s *discordgo.Session, m *discordgo.MessageCreate) string {
54	helpText := "**Bot commands:**\n"
55	for command, botCommand := range handlersMap {
56		helpText += "* " + botCommand.FormatHelp(command) + "\n"
57	}
58	return helpText
59}