package relay

import (
	"context"
	"homestead/homestead_to_go/relay/commands"
	"log"
	"log/slog"
	"time"

	"github.com/disgoorg/disgo"
	"github.com/disgoorg/disgo/bot"
	"github.com/disgoorg/disgo/cache"
	"github.com/disgoorg/disgo/discord"
	"github.com/disgoorg/disgo/events"
	"github.com/disgoorg/disgo/gateway"
	"github.com/disgoorg/paginator"
)

func New(cfg Config) *Bot {
	return &Bot{
		Cfg:       cfg,
		Paginator: paginator.New(),
	}
}

func onMessageCreate(event *events.MessageCreate) {
	// Ignore bot messages
	if event.Message.Author.Bot {
		return
	}

	// Check if channel is registered
	if !commands.ChannelStore.IsRegistered(event.Message.ChannelID) {
		return
	}

	// Log the message
	log.Printf("[%s] %s#%s: %s",
		event.Message.ChannelID,
		event.Message.Author.Username,
		event.Message.Author.Discriminator,
		event.Message.Content,
	)

	// You can also log attachments, embeds, etc.
	if len(event.Message.Attachments) > 0 {
		log.Printf("  └─ Attachments: %d", len(event.Message.Attachments))
	}
}

func (b *Bot) SetupBot(listeners ...bot.EventListener) error {
	client, err := disgo.New(b.Cfg.Bot.Token,
		bot.WithGatewayConfigOpts(gateway.WithIntents(gateway.IntentGuilds, gateway.IntentGuildMessages, gateway.IntentMessageContent)),
		bot.WithCacheConfigOpts(cache.WithCaches(cache.FlagGuilds)),
		bot.WithEventListeners(b.Paginator),
		bot.WithEventListeners(listeners...),
		bot.WithEventListeners(&events.ListenerAdapter{
			OnMessageCreate: onMessageCreate,
		}),
	)
	if err != nil {
		return err
	}

	b.Client = client
	return nil
}

func (b *Bot) OnReady(_ *events.Ready) {
	slog.Info(b.Cfg.Bot.Name + " ready.")

	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	if err := b.Client.SetPresence(ctx, gateway.WithListeningActivity("you"), gateway.WithOnlineStatus(discord.OnlineStatusOnline)); err != nil {
		slog.Error("Failed to set presence", slog.Any("err", err))
	}
}