<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     graphs
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2023 Observium Limited
 *
 */

$unit_text  = "ShoutCast Server";
$total_text = "Total of all ShoutCast Servers";
$nototal    = 0;

// FIXME. Not compatible this way with get_rrd_path; as long as no advanced storage is used this will work
// Call get_rrd_path below instead of using $rrddir.
$$rrddir = $config['rrd_dir'] . "/" . $device['hostname'];
$files   = [];
$i       = 0;
$x       = 0;

if ($handle = opendir($rrddir)) {
    while (FALSE !== ($file = readdir($handle))) {
        if ($file != "." && $file != ".." &&
            str_starts($file, "app-shoutcast-" . $app['app_id'])) {
            array_push($files, $file);
        }
    }
}

foreach ($files as $id => $file) {
    $hostname = str_replace(['app-shoutcast-' . $app['app_id'] . '-', '.rrd'], '', $file);
    [$host, $port] = explode('_', $hostname, 2);
    $rrd_filenames[]          = $rrddir . "/" . $file;
    $rrd_list[$i]['filename'] = $rrddir . "/" . $file;
    $rrd_list[$i]['descr']    = $host . ":" . $port;
    $rrd_list[$i]['colour']   = $colour;
    $i++;
}

include_once($config['html_dir'] . "/includes/graphs/common.inc.php");

if ($width > "500") {
    $descr_len = 38;
} else {
    $descr_len = 8;
    $descr_len += round(($width - 250) / 8);
}

if ($width > "500") {
    $rrd_options .= " COMMENT:\"" . substr(str_pad($unit_text, $descr_len + 2), 0, $descr_len + 2) . "  Current  Unique  Average    Peak\\n\"";
} else {
    $rrd_options .= " COMMENT:\"" . substr(str_pad($unit_text, $descr_len + 5), 0, $descr_len + 5) . "  Now   Unique  Average    Peak\\n\"";
}

$stack = '';
foreach ($rrd_list as $rrd) {
    $colours = (isset($rrd['colour']) ? $rrd['colour'] : "default");
    $strlen  = ((strlen($rrd['descr']) < $descr_len) ? ($descr_len - strlen($rrd['descr'])) : "0");
    $descr   = (isset($rrd['descr']) ? rrdtool_escape($rrd['descr'], $desc_len + $strlen) : "Unknown");
    for ($z = 0; $z < $strlen; $z++) {
        $descr .= " ";
    }
    if ($i) {
        $stack = ":STACK";
    }
    $colour      = $config['graph_colours'][$colours][$x];
    $rrd_options .= " DEF:cur" . $x . "=" . $rrd['filename'] . ":current:AVERAGE";
    $rrd_options .= " DEF:peak" . $x . "=" . $rrd['filename'] . ":peak:MAX";
    $rrd_options .= " DEF:unique" . $x . "=" . $rrd['filename'] . ":unique:AVERAGE";
    $rrd_options .= " VDEF:avg" . $x . "=cur" . $x . ",AVERAGE";
    $rrd_options .= " AREA:cur" . $x . "#" . $colour . ":'" . $descr . "'$stack";
    $rrd_options .= " GPRINT:cur" . $x . ":LAST:\"%6.2lf\"";
    $rrd_options .= " GPRINT:unique" . $x . ":LAST:\"%6.2lf%s\"";
    $rrd_options .= " GPRINT:avg" . $x . ":\"%6.2lf\"";
    $rrd_options .= " GPRINT:peak" . $x . ":LAST:\"%6.2lf\"";
    $rrd_options .= " COMMENT:\"\\n\"";
    if ($x) {
        $totcur    .= ",cur" . $x . ",+";
        $totpeak   .= ",peak" . $x . ",+";
        $totunique .= ",unique" . $x . ",+";
    }
    $x = (($x < safe_count($config['graph_colours'][$colours]) - 1) ? $x + 1 : 0);
    //$x++;
}

if (!$nototal) {
    $strlen = ((strlen($total_text) < $descr_len) ? ($descr_len - strlen($total_text)) : "0");
    $descr  = (isset($total_text) ? rrdtool_escape($total_text, $desc_len + $strlen) : "Total");
    $colour = $config['graph_colours'][$colours][$x];
    for ($z = 0; $z < $strlen; $z++) {
        $descr .= " ";
    }
    $rrd_options .= " CDEF:totcur=cur0" . $totcur;
    $rrd_options .= " CDEF:totunique=unique0" . $totunique;
    $rrd_options .= " CDEF:totpeak=peak0" . $totpeak;
    $rrd_options .= " VDEF:totavg=totcur,AVERAGE";
    $rrd_options .= " LINE2:totcur#" . $colour . ":'" . $descr . "'";
    $rrd_options .= " GPRINT:totcur:LAST:\"%6.2lf\"";
    $rrd_options .= " GPRINT:totunique:LAST:\"%6.2lf%s\"";
    $rrd_options .= " GPRINT:totavg:\"%6.2lf\"";
    $rrd_options .= " GPRINT:totpeak:LAST:\"%6.2lf\"";
    $rrd_options .= " COMMENT:\"\\n\"";
}

// EOF