#!/usr/bin/env perl
use strict;
use warnings;
use Bot::ChatBots::Telegram::LongPoll;
Bot::ChatBots::Telegram::LongPoll->new(
   token     => $ENV{TOKEN},
   processor => \&process_record,
   start     => 1,
);
sub process_record {
   my $record = shift;
   my $type    = $record->{data_type};
   my $payload = $record->{payload};
   if ($type eq 'Message' && exists($payload->{from}) ) {
      my $text      = $payload->{text} || '';
      my $peer_name = $payload->{from}{first_name} || 'U. N. Known';
      print {*STDERR} "$peer_name says: $text\n";
      if ($text eq '/start') {
         $record->{send_response} = 'Very simple... just send /hello';
      }
      elsif ($text eq '/hello') {
         $record->{send_response} = "Hello to you, $peer_name";
      }
   }
   return $record; # follow on..
}