#!/usr/bin/perl

local $| = 0;

use warnings;
use strict;

use Data::Dumper;
use CGI::Simple   ();
use ModPerl::Util ();

use config;
use log;
use localization;
use auth;
use uac;
use studios;
use series;
use template;
use playout;
binmode STDOUT, ":utf8";

my $r = shift;
( my $cgi, my $params, my $error ) = params::get($r);

my $config = config::get('../config/config.cgi');
my $debug  = $config->{system}->{debug};
my ( $user, $expires ) = auth::get_user( $cgi, $config );
return if ( ( !defined $user ) || ( $user eq '' ) );

#print STDERR $params->{project_id}."\n";
my $user_presets = uac::get_user_presets(
	$config,
	{
		project_id => $params->{project_id},
		studio_id  => $params->{studio_id},
		user       => $user
	}
);
$params->{default_studio_id} = $user_presets->{studio_id};
$params->{studio_id}         = $params->{default_studio_id}
  if ( ( !( defined $params->{action} ) ) || ( $params->{action} eq '' ) || ( $params->{action} eq 'login' ) );
$params->{project_id} = $user_presets->{project_id}
  if ( ( !( defined $params->{action} ) ) || ( $params->{action} eq '' ) || ( $params->{action} eq 'login' ) );

#print STDERR $params->{project_id}."\n";
my $request = {
	url => $ENV{QUERY_STRING} || '',
	params => {
		original => $params,
		checked  => check_params($params),
	},
};
$request = uac::prepare_request( $request, $user_presets );
$params = $request->{params}->{checked};

#process header
unless ( params::isJson() ) {
	my $headerParams = uac::set_template_permissions( $request->{permissions}, $params );
	$headerParams->{loc} = localization::get( $config, { user => $user, file => 'menu' } );
	template::process( 'print', template::check('default.html'), $headerParams );
}
return unless uac::check( $config, $params, $user_presets ) == 1;

print q{
    <script src="js/show-playout.js" type="text/javascript"></script>
    <link rel="stylesheet" href="css/show-playout.css" type="text/css" /> 
} unless (params::isJson);

my $permissions = $request->{permissions};
$params->{action} = '' unless defined $params->{action};
$params->{error} = $error || '';

showPlayout( $config, $request );

print STDERR "$0 ERROR: " . $params->{error} . "\n" if $params->{error} ne '';
$params->{loc} = localization::get( $config, { user => $params->{presets}->{user}, file => 'event,comment' } );
template::process( 'print', $params->{template}, $params );

exit;

sub showPlayout {
	my $config  = shift;
	my $request = shift;

	my $params      = $request->{params}->{checked};
	my $permissions = $request->{permissions};

	for my $attr ( 'project_id', 'studio_id' ) {
		unless ( defined $params->{$attr} ) {
			uac::print_error( "missing " . $attr . " to show playout" );
			return;
		}
	}

	my $events = playout::get(
		$config,
		{
			project_id => $params->{project_id},
			studio_id  => $params->{studio_id},
			order      => 'modified_at desc, start desc',
			limit      => 500
		}
	);

	#    print '<pre>'.Dumper($events).'</pre>';
	unless ( defined $events ) {
		uac::print_error("not found");
		return;
	}

	for my $event (@$events) {
		$event->{stream_size} =~ s/(\d)(\d\d\d)$/$1\.$2/g;
		$event->{stream_size} =~ s/(\d)(\d\d\d\.\d\d\d)$/$1\.$2/g;
		$event->{duration} =~ s/(\d\.\d)(\d+)$/$1/g;
		$event->{duration} =~ s/(\d)\.0/$1/g;
		$event->{rms_left}  = formatLoudness( $event->{rms_left} );
		$event->{rms_right} = formatLoudness( $event->{rms_right} );
		$event->{bitrate}   = formatBitrate($event);
		$event->{duration}  = formatDuration($event);
	}

	$params->{events} = $events;

	#print Dumper($events);
}

sub formatDuration {
	my $event    = $_[0];
	my $duration = $event->{duration};
	return '' unless defined $duration;
	return '' if $duration eq '';
	my $result = int( ( $duration + 3600 ) * 10 ) % 600;
	my $class = "ok";
	$class = "warn"  if $result > 1;
	$class = "error" if $result > 10;
	return sprintf( qq{<div class="%s">%.01f</div>}, $class, $duration );
}

sub formatBitrate {
	my $event   = $_[0];
	my $bitrate = $event->{bitrate};
	my $mode    = $event->{bitrate_mode};
	if ( $bitrate ne '' ) {
		if ( $bitrate >= 200 ) {
			$bitrate = '<div class="warn">' . $bitrate . ' ' . $mode . '</div>';
		} elsif ( $bitrate < 190 ) {
			$bitrate = '<div class="error">' . $bitrate . ' ' . $mode . '</div>';
		} else {
			$bitrate .= ' ' . $mode;
		}
	}
	return $bitrate;
}

sub formatLoudness {
	my $value = shift;
	return '' unless defined $value;
	return '' if $value == 0;
	return '' if $value eq '';

	$value = sprintf( "%.1f", $value );
	my $class = 'ok';
	$class = 'warn'  if $value > -18.5;
	$class = 'error' if $value > -16.0;
	$class = 'warn'  if $value < -24.0;
	$class = 'error' if $value < -27.0;

	return qq{<div class="$class">$value dB</div>};
}

sub check_params {
	my $params = shift;

	my $checked = {};
	$checked->{error} = '';
	$checked->{template} = template::check( $params->{template}, 'show_playout' );

	#numeric values
	for my $param ( 'project_id', 'studio_id', 'default_studio_id', 'series_id', 'event_id', 'id' ) {
		if ( ( defined $params->{$param} ) && ( $params->{$param} =~ /^\d+$/ ) ) {
			$checked->{$param} = $params->{$param};
		}
	}

	if ( defined $checked->{studio_id} ) {
		$checked->{default_studio_id} = $checked->{studio_id};
	} else {
		$checked->{studio_id} = -1;
	}

	#word
	for my $param ('debug') {
		if ( ( defined $params->{$param} ) && ( $params->{$param} =~ /^\s*(.+?)\s*$/ ) ) {
			$checked->{$param} = $1;
		}
	}

	return $checked;
}