#!/usr/bin/perl -w

use Net::Telnet;
use CGI qw/:standard/;

require ('/etc/callback/callback.conf');

$host ||= '127.0.0.1';
$port ||= '5038';
$user ||= 'callback';
$secret ||= 'secret';
$defaultcid ||= '';
$webhost ||= '';

my $q = new CGI;

print $q->header,
      $q->start_html(-title=>'CallBack',
                     -style=>{"src"=>"../css/bootstrap.min.css"}
      ),

      $q->div({
                  -class=>"well",
                  -style=>"width: 500px; margin-top: 40px; margin-right: auto; margin-left: auto"
      }),

      $q->h1('<center>Mise en relation t&eacute;l&eacute;phonique</center><p><p>'),
      $q->start_form(-class=>"form-horizontal"),

      $q->div({-class=>"control-group"},
          "<label class= \"control-label\" for=\"nback\">Votre num&eacute;ro</label>",
          $q->div({-class=>"controls"},
              $q->textfield(
                  -name=>"nback",
                  -class=>"input-xlarge",
                  -size=>"30",
                  -style=>"width: 300px; height: 25px"
              ),
          )
      ),
      $q->div({-class=>"control-group"},
          "<label class= \"control-label\" for=\"ndest\">Le num&eacute;ro &agrave; joindre</label>",
          $q->div({-class=>"controls"},
              $q->textfield(
                  -name=>"ndest",
                  -class=>"input-xlarge",
                  -size=>"30",
                  -style=>"width: 300px; height: 25px"
              ),
          )
      ),
      $q->div({-class=>"control-group"},
          "<label class= \"control-label\" for=\"cid\">Le num&eacute;ro &agrave; pr&eacute;senter</label>",
          $q->div({-class=>"controls"},
              $q->textfield(
                  -name=>"cid",
                  -class=>"input-xlarge",
                  -size=>"30",
                  -style=>"width: 300px; height: 25px"
              ), 
          )
      ),
      $q->submit(
          -name=>"submit",
          -class=>"btn btn-primary",
          -style=>"margin-left: 200px",
          -value=>"Appeler",
      ),
      $q->end_form;


if ($q->param()) {
    my $nback = $q->param('nback') || $ENV{'HTTP_USER_EXTENSION'};
    my $ndest = $q->param('ndest');
    my $cid = $q->param('cid') || $ENV{'HTTP_USER_TELEPHONE'};
    $cid = $defaultcid if ($cid eq '');

    $nback =~ s/[\s\(\)\.<>]//g;
    $ndest =~ s/[\s\(\)\.<>]//g;
    $nback =~ s/^\+/00/g;
    $ndest =~ s/^\+/00/g;

    unless (($nback =~ m/^\d+$/) && ($ndest =~ m/^\d+$/)){
        print $q->div({-class=>"alert-message error",},
                "<strong>Erreur !</strong> Un des numeros ne semble pas valide"
        );
        die 'bad number';
    }

    my $telnet = new Net::Telnet (Timeout => 5,
                                  Errmode => "die",
 				  Host    => "$host",
	 			  Port    => "$port");
    # Login
    $telnet->open  ();
    $telnet->print ("Action: Login");
    $telnet->print ("Username: $user");
    $telnet->print ("Secret: $secret");
    $telnet->print (""); 

    my ($status, $what) = $telnet->waitfor ("/Message: .*/");

    # Check login status
    unless (($status =~ m/Success/) && ($what =~ m/Authentication/)) {
        print $q->div({-class=>"alert-message error",},
                "<strong>Erreur !</strong> Une erreur d'authentification est survenue"
          );
        die 'Authentication error';
    }

    $telnet->print ("Action: Originate");
    $telnet->print ("Channel: Local/$nback\@from-internal");
    $telnet->print ("Context: from-internal");
    $telnet->print ("Exten: $ndest");
    $telnet->print ("Priority: 1");
    $telnet->print ("Callerid: $cid");
    $telnet->print ("");

    ($status, $what) = $telnet->waitfor ("/Message: .*/");

    # Check originate command status
    unless (($status =~ m/Success/) && ($what =~ m/Originate/)) {
        print $q->div({-class=>"alert-message error",},
                "<strong>Erreur !</strong> Une erreur est survenue pendant la num&eacute;rotation"
          );
        die 'Originate error';
    }

    $telnet->close;
}