#!/usr/bin/perl -I /srv/streamlib
use warnings;
use strict;
use CGI;
# apt-get install libgeo-ip-perl
use Geo::IP;
use NetAddr::IP;
use Net::IP;
# apt-get install libnet-ip-perl libnetaddr-ip-perl 
use HTML::Template;
# apt-get install libhtml-template-perl
use stream;
use stream::config;
use MIME::Base64;

my $client = CGI->new;

my $v4net = $stream::config::v4net;
my $v6net = $stream::config::v6net;
my $tg = $stream::config::tg;
my $tg_full = $stream::config::tg_full;
my $video_url = $stream::config::video_url;
my %streams = %stream::config::streams;

my $force_unicast = $client->param('forceunicast');
my $no_header = $client->param('noheader');

my $location = undef;

print $client->header();

my $clip = $client->remote_addr();
my $template = HTML::Template->new(filename => 'index.tmpl');
my $is_local = &is_ip_local($clip, $v4net, $v6net);

my @streams = &loop_webcams("event");
my @camstreams = &loop_webcams("camera");

my %input;
for my $key ( $client->param() ) {
	$input{$key} = $client->param($key);
}

$template->param(TG => $tg);
$template->param(TG_FULL => $tg_full);
$template->param(STREAMS => \@streams);
$template->param(CAMSTREAMS => \@camstreams);
$template->param(NOHEADER => $no_header);
if(exists $input{url}) {
	$template->param(VIDEO_URL => decode_base64($input{url}));
	$template->param(VIDEO_AUTO_PLAY => 'true');
} else {
	$template->param(VIDEO_URL => $video_url);
	$template->param(VIDEO_AUTO_PLAY => 'false');
}
print $template->output();


sub loop_webcams() {
	my @s = ();
	foreach my $name (sort { $streams{$a}->{priority} <=> $streams{$b}->{priority} } keys %streams) {
		if ($streams{$name}->{type} eq $_[0] && $streams{$name}->{online}) {
			my $title_link = "http://stream.tg$tg.gathering.org/stream.pl?delivery=%s&stream=${name}&interlaced=%s";
			my $multicast_link = $streams{$name}->{has_multicast} ? "multicast" : "unicast";
			$multicast_link = "unicast" if ($force_unicast == 1 || not $is_local);

			if ($streams{$name}->{external}) {
				 $title_link = $streams{$name}->{url};
			} else {
				$title_link = sprintf($title_link, $multicast_link, $streams{$name}->{interlaced});
			}
			my %hash = (
				'title_link' => $title_link,
				'title' => $streams{$name}->{title},
				'quality' => $streams{$name}->{quality},
				'type' => $streams{$name}->{type},
			);
			if ($multicast_link eq "multicast") {
				$hash{'is_multicast'} .= 1; 
				my $unicast_link = $title_link;
				$unicast_link=~s/multicast/unicast/g;
				$hash{'unicast_link'} .= $unicast_link;
			}
			$hash{'description'} .= $streams{$name}->{description} if exists($streams{$name}->{description});
			push(@s, \%hash);
		}
	}
	return @s;
}