<?php

/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage graphs
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2019 Observium Limited
 *
 */

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

if ($width > "500")
{
  $descr_len=24;
} else {
  $descr_len=12;
  $descr_len += round(($width - 250) / 8);
}

if ($nototal) { $descrlen += "2"; $unitlen += "2";}

if (!$noheader)
{
  if ($width > "500")
  {
    $rrd_options .= " COMMENT:'".substr(str_pad($unit_text, $descr_len+5),0,$descr_len+5)."Now      Min      Max     Avg\l'";
    if (!$nototal) { $rrd_options .= " COMMENT:'Total      '"; }
    $rrd_options .= " COMMENT:'\l'";
  } else {
    $rrd_options .= " COMMENT:'".substr(str_pad($unit_text, $descr_len+5),0,$descr_len+5)."Now      Min      Max     Avg\l'";
  }
}

$i = 0;
$colour_iter = 0;
$cstack = '';
$bstack = '';
foreach ($rrd_list as $rrd)
{

  if ($rrd['colour'])
  {
    $colour = $rrd['colour'];
  } else {
    if (!$config['graph_colours'][$colours][$colour_iter]) { $colour_iter = 0; }
    $colour = $config['graph_colours'][$colours][$colour_iter];
    $colour_iter++;
  }

  $ds = $rrd['ds'];
  $filename = rrdtool_escape($rrd['filename']);

  $descr = rrdtool_escape($rrd['descr'], $descr_len);

  $id = "ds".$i;

  $rrd_options .= " DEF:".$id."=$filename:$ds:AVERAGE";

  if ($simple_rrd)
  {
    $rrd_options .= " CDEF:".$id."min=".$id." ";
    $rrd_options .= " CDEF:".$id."max=".$id." ";
  } else {
    $rrd_options .= " DEF:".$id."min=$filename:$ds:MIN";
    $rrd_options .= " DEF:".$id."max=$filename:$ds:MAX";
  }

  if (is_numeric($multiplier))
  {
    $g_defname = $rrd['ds'] . "_cdef";
    $rrd_options .= " CDEF:" . $id . "c=" . $id . "," . $multiplier . ",*";
    $rrd_options .= " CDEF:" . $id . "cmin=" . $id . "min," . $multiplier . ",*";
    $rrd_options .= " CDEF:" . $id . "cmax=" . $id . "max," . $multiplier . ",*";

    $id = $id.'c';

  // If we've been passed a divider (divisor!) we make a CDEF for it.
  } elseif (is_numeric($divider))
  {
    $g_defname = $rrd['ds'] . "_cdef";
    $rrd_options .= " CDEF:" . $id . "c=" . $id . "," . $divider . ",/";
    $rrd_options .= " CDEF:" . $id . "cmin=" . $id . "min," . $divider . ",/";
    $rrd_options .= " CDEF:" . $id . "cmax=" . $id . "max," . $divider . ",/";

    $id = $id.'c';

  }


  if ($rrd['invert'])
  {
    $rrd_options .= " CDEF:".$id."i=".$id.",-1,*";
    $rrd_optionsc .= " AREA:".$id."i#".$colour.":'$descr'".($rrd['stack'] === FALSE ? '' : $cstack);
    $rrd_optionsc .= " GPRINT:".$id.":LAST:%5.1lf%s GPRINT:".$id."min:MIN:%5.1lf%s";
    $rrd_optionsc .= " GPRINT:".$id."max:MAX:%5.1lf%s GPRINT:".$id.":AVERAGE:'%5.1lf%s\\n'";
    $cstack = ":STACK";
  } else {
    $rrd_optionsb .= " AREA:".$id."#".$colour.":'$descr'".($rrd['stack'] === FALSE ? '' : $bstack);
    $rrd_optionsb .= " GPRINT:".$id.":LAST:%5.1lf%s GPRINT:".$id."min:MIN:%5.1lf%s";
    $rrd_optionsb .= " GPRINT:".$id."max:MAX:%5.1lf%s GPRINT:".$id.":AVERAGE:'%5.1lf%s\\n'";
    $bstack = ":STACK";
  }

  $i++;

}

$rrd_options .= $rrd_optionsb;
$rrd_options .= " HRULE:0#555555";
$rrd_options .= $rrd_optionsc;

unset($cstack, $bstack);

// EOF