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		"prefix": {ShortCode: "pre", Handler: handlePrefix, Help: "sets the bot's prefix"},
18		"help":   {ShortCode: "h", Handler: handleHelp, Help: "shows this help message"},
19	}
20
21	for command, botCommand := range handlersMap {
22		if botCommand.ShortCode == "" {
23			continue
24		}
25		shortCommands[botCommand.ShortCode] = command
26	}
27}
28
29func handleHelp(args []string, s *discordgo.Session, m *discordgo.MessageCreate) string {
30	helpText := "**Bot commands:**\n"
31	for command, botCommand := range handlersMap {
32		helpText += "* " + botCommand.FormatHelp(command) + "\n"
33	}
34	return helpText
35}
36
37func handleEcho(args []string, s *discordgo.Session, m *discordgo.MessageCreate) string {
38	return strings.Join(args, " ")
39}
40
41func handlePrefix(args []string, s *discordgo.Session, m *discordgo.MessageCreate) string {
42	if len(args) == 0 {
43		return "Usage: prefix <new prefix>"
44	}
45
46	newPrefix := args[0]
47	if len(newPrefix) > 10 {
48		return "Prefix is too long"
49	}
50
51	config.Values.Prefix = newPrefix
52	err := config.Save()
53	if err != nil {
54		logger.Errorf("could not save config: %s", err)
55	}
56
57	return "Prefix set to " + newPrefix
58}