<?php

/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     graphs
 * @copyright  (C) Adam Armstrong
 *
 */

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";
    $data_show = ['lst', 'avg', 'min', 'max'];
} elseif ($width > "300") {
    $data_len  = "24";
    $data_show = ['lst', 'avg', 'max'];
} else {
    $data_len  = "16";
    $data_show = ['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