use Modern::Perl;
use utf8;

use telnet;
async purge_bdcom => sub
{
  my $ip = shift;
  my $login = shift;
  my $password = shift;
  my $tree = shift;
  
  ############################
  
  my $t = new telnet($ip);
#  $t->debug(1);

  await $t->connect;

  await $t->reply(qr/Username:/, $login);
  await $t->reply(qr/Password:/, $password);

  my @greeting = await $t->waitfor(qr/>/);
  my $version = "C";

  for (@greeting)
  {
    $version = $1 if /Welcome to BDCOM P3310(\w)/;
  }

  $t->print("enable");

  my @next = await $t->waitfor(qr/#|password:/);

  if (grep {$_ =~ /password:/} @next)
  {
    $t->print($password);
    await $t->waitfor(qr/#/);
  }

  $t->prompt(qr/#/);
  
  await $t->cmd("terminal length 0");
  await $t->cmd("terminal width 200");
  
  #######################
  
  my @lines = await $t->cmd("show epon active-onu interface ePON 0/$tree");
  $lines[0] =~ m|Interface EPON0/\d+ has bound (\d+) active ONUs|;
  my $count = $1 || "?";

  $t->close;
  
  return $count;
};

1;