package tele

import (
	"github.com/rs/zerolog/log"
	"gopkg.in/telebot.v3"
	"me.thuanle/bbot/internal/configs/key"
	"os"
	"sync"
	"time"
)

type Service struct {
	b *telebot.Bot
}

var (
	ts   *Service
	once sync.Once
)

func Ins() *Service {
	if ts != nil {
		return ts
	}
	once.Do(func() {
		pref := telebot.Settings{
			Token:  os.Getenv(key.TelegramToken),
			Poller: &telebot.LongPoller{Timeout: 10 * time.Second},
		}

		b, err := telebot.NewBot(pref)
		if err != nil {
			log.Fatal().Err(err).Msg("Failed to create bot")
		}

		err = setupCommands(b)
		if err != nil {
			log.Fatal().Err(err).Msg("Failed to setup commands")
		}

		ts = &Service{
			b: b,
		}
	})
	return ts
}

func (t *Service) Start() {
	log.Info().Msg("Starting telegram service")
	t.b.Start()
}