Mee6 Auto-Message

package main

import (
    "flag"
    "time"

    "github.com/bwmarrin/discordgo"
    "github.com/nhooyr/color/log"
)

var (
    email    = flag.String("email", "", "account email")
    pass     = flag.String("pass", "", "account password")
    guild    = flag.String("guild", "", "guild (server) to join")
    channel  = flag.String("chan", "", "channel to join")
    message  = flag.String("msg", "_", "message to be sent")
    interval = flag.Int64("int", 60, "interval between messages in seconds")
)

func main() {
    flag.Parse()
    if *email == "" || *pass == "" {
        log.Fatal("please provide an email and password")
    }
    s, err := discordgo.New(*email, *pass)
    if err != nil {
        log.Fatal(err)
    }
    log.Print("logged in")

    g := findGuild(s)
    if g == nil {
        log.Fatal("could not find guild")
    }
    id := findChannel(s, g)
    if id == "" {
        log.Fatal("could not find channel")
    }

    for t := time.Tick(time.Duration(*interval) * time.Second); ; <-t {
        if _, err := s.ChannelMessageSend(id, *message); err != nil {
            log.Print(err)
        } else {
            log.Print("sent message")
        }
    }
}

func findGuild(s *discordgo.Session) *discordgo.UserGuild {
    gs, err := s.UserGuilds(0, "", "")
    if err != nil {
        log.Fatal(err)
    }
    log.Print("got guilds")
    for _, g := range gs {
        if g.Name == *guild {
            log.Print("found guild")
            return g
        }
    }
    return nil
}

func findChannel(s *discordgo.Session, g *discordgo.UserGuild) string {
    chs, err := s.GuildChannels(g.ID)
    if err != nil {
        log.Fatal(err)
    }
    log.Print("got channels")
    for _, ch := range chs {
        if ch.Name == *channel {
            log.Print("found channel")
            return ch.ID
        }
    }
    return ""
}