package main

import (
 "context"
 "os"
 "os/signal"

 "github.com/go-telegram/bot"
 "github.com/go-telegram/bot/models"
)

// Send any text message to the bot after the bot has been started

func main() {
 ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
 defer cancel()

 opts := []bot.Option{
  bot.WithDefaultHandler(handler),
 }

 b, err := bot.New("YOUR_BOT_TOKEN_FROM_BOTFATHER", opts...)
 if err != nil {
  panic(err)
 }

 b.Start(ctx)
}

func handler(ctx context.Context, b *bot.Bot, update *models.Update) {
 b.SendMessage(ctx, &bot.SendMessageParams{
  ChatID: update.Message.Chat.ID,
  Text:   update.Message.Text,
 })
}