package main

import (
	"fmt"
	"log"
	"regexp"
	_ "embed"
	"encoding/base64"

	"github.com/bwmarrin/discordgo"
)

var loading_emoji string

//go:embed assets/loading.webp
var rawLoadingEmoji []byte

var loadingEmojiBase64 = func() string {
	s := "data:image/webp;base64," + base64.StdEncoding.EncodeToString(rawLoadingEmoji)
	rawLoadingEmoji = nil
	return s
}()

func initLoadingEmoji(s *discordgo.Session) {
	emojis, err := s.ApplicationEmojis(s.State.User.ID)
	if err != nil {
		log.Panic("Cannot get emojis")
	}
	for _, e := range emojis {
		if e.Name == "loading" {
			loading_emoji = fmt.Sprintf("<a:%s:%s>", e.Name, e.ID)
			return
		}
	}
	e, err := s.ApplicationEmojiCreate(s.State.User.ID, &discordgo.EmojiParams{
		Name:  "loading",
		Image: loadingEmojiBase64,
	})
	if err != nil {
		log.Panicf("Cannot create loading emoji: %s", err)
	}
	loading_emoji = fmt.Sprintf("<a:%s:%s>", e.Name, e.ID)
}

var urlPattern = regexp.MustCompile(`https?://\S+`)

func extractURLFromString(in_url string) string {
	return string(urlPattern.Find([]byte(in_url)))
}

// Helper function to create string pointer
func ptr(s string) *string {
	return &s
}

func formatBytes(b int) string {
	switch {
	case b >= 1<<30:
		return fmt.Sprintf("%.1f GB", float64(b)/float64(1<<30))
	case b >= 1<<20:
		return fmt.Sprintf("%.1f MB", float64(b)/float64(1<<20))
	case b >= 1<<10:
		return fmt.Sprintf("%.1f KB", float64(b)/float64(1<<10))
	default:
		return fmt.Sprintf("%d B", b)
	}
}