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path: root/internal/channel.go
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package stats

import (
	"log"
	"slices"
	"time"

	"github.com/gempir/go-twitch-irc"
)

type Channel struct {
	id     string
	name   string
	emotes map[string][]Emote
	db     *DatabaseConnection
}

func NewChannel(id string, name string, db *DatabaseConnection) Channel {
	c := Channel{
		id:     id,
		name:   name,
		emotes: make(map[string][]Emote),
		db:     db,
	}

	go func() {
		if err := c.updateEmotes(); err != nil {
			log.Fatalf("Failed to update emotes: %v\n", err)
		}
	}()

	return c
}

func (c *Channel) updateEmotes() (err error) {
	log.Printf("Fetching BetterTTV emotes for ID %s...\n", c.id)
	emotes, err := GetBetterTTVEmotes(c.id)
	c.emotes["betterttv"] = emotes

	for _, e := range emotes {
		c.db.Exec("INSERT IGNORE INTO emotes(platform, platform_id) VALUES (?, ?)", e.Id, "betterttv")
	}

	return
}

func (c *Channel) HandleMessageEvent(sender twitch.User, message twitch.Message) {
}

func JoinChannels(channels *[]Channel, client *twitch.Client, db *DatabaseConnection) {
	for {
		cc, _ := db.Query("SELECT alias_id, alias_name FROM channels WHERE opted_out_at IS NULL")

		for _, c := range cc {
			if slices.ContainsFunc(*channels, func(c2 Channel) bool {
				return c2.name == c["alias_name"]
			}) {
				continue
			}

			log.Printf("Joining #%s...\n", c["alias_name"])
			client.Join(c["alias_name"])
			*channels = append(*channels, NewChannel(c["alias_id"], c["alias_name"], db))
		}

		for _, c := range *channels {
			if !slices.ContainsFunc(cc, func(x map[string]string) bool {
				return x["alias_name"] == c.name
			}) {
				log.Printf("Parting #%s...\n", c.name)
				client.Depart(c.name)

				*channels = slices.DeleteFunc(*channels, func(c2 Channel) bool {
					return c2.name == c.name
				})
			}
		}

		time.Sleep(5 * time.Second)
	}
}