<?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");

// Here we scale the number of numerical columns shown to make sure we keep the text.

if($width > "400") {
  $data_len  = "33";
  $data_show = array('lst', 'avg', 'min', 'max');
} elseif($width > "300") {
  $data_len  = "24";
  $data_show = array('lst', 'avg', 'max');
} else {
  $data_len = "16";
  $data_show = array('lst', 'avg');
}

// Here we scale the length of the description to make sure we keep the numbers

if($width > "800")
{
  $descr_len = "82";
} elseif($width > "300") {
  $descr_len = round(($width + 0) / 7) - $data_len;
} else {
  $descr_len = round(($width + 16) / 6) - $data_len;
}

// Build the legend headers using the length values previously calculated

$rrd_options .= " COMMENT:'".substr(str_pad($unit_text, $descr_len+2),0,$descr_len+2)."'";
if(in_array("lst", $data_show)) { $rrd_options .= " COMMENT:' Last  '"; }
if(in_array("min", $data_show)) { $rrd_options .= " COMMENT:'  Min  '"; }
if(in_array("max", $data_show)) { $rrd_options .= " COMMENT:'  Max  '"; }
if(in_array("avg", $data_show)) { $rrd_options .= " COMMENT:'  Avg  '"; }
$rrd_options .= " COMMENT:'\\l'";
$iter = 0;

foreach ($rrd_list as $i => $rrd)
{
  if (!$config['graph_colours'][$colours][$iter]) { $iter = 0; }
  $colour=$config['graph_colours'][$colours][$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";
    $rrd_options .= " CDEF:".$id."mmin=".$id."min,60,*";
    $rrd_options .= " CDEF:".$id."mmax=".$id."max,60,*";
  }

  if ($rrd['invert'])
  {
    $rrd_options .= " CDEF:".$id."i=".$id.",-1,*";
    $rrd_optionsb .= " LINE1.25:".$id."i#".$colour.":'$descr'";
    if (!empty($rrd['areacolour'])) { $rrd_optionsb .= " AREA:".$id."i#" . $rrd['areacolour']; }
  } else {
    $rrd_options .= " CDEF:".$id."m=".$id.",60,*";
    $rrd_optionsb .= " LINE1.25:".$id."m#".$colour.":'$descr'";
    if (!empty($rrd['areacolour'])) { $rrd_optionsb .= " AREA:".$id."#" . $rrd['areacolour']; }
  }

  if (in_array("lst", $data_show)) { $rrd_optionsb .= " GPRINT:".$id."m:LAST:%6.1lf%s"; }
  if (in_array("min", $data_show)) { $rrd_optionsb .= " GPRINT:".$id."mmin:MIN:%6.1lf%s"; }
  if (in_array("max", $data_show)) { $rrd_optionsb .= " GPRINT:".$id."mmax:MAX:%6.1lf%s"; }
  if (in_array("avg", $data_show)) { $rrd_optionsb .= " GPRINT:".$id."m:AVERAGE:%6.1lf%s"; }

  $rrd_optionsb .= " COMMENT:'\\l'";
  $iter++;

}

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

// EOF