<?php

// Attempt to draw a graph out of DSes we've collected from Munin plugins.
// Reverse engineering ftw!
$scale_min = 0;

require 'includes/html/graphs/common.inc.php';

if ($width > '500') {
    $descr_len = 24;
} else {
    $descr_len = 14;
    $descr_len += round(($width - 230) / 8.2);
}

if ($width > '500') {
    $rrd_options .= " COMMENT:'" . substr(str_pad($mplug['mplug_vlabel'], $descr_len), 0, $descr_len) . "   Current   Average  Maximum\l'";
    $rrd_options .= " COMMENT:'\l'";
} else {
    $rrd_options .= " COMMENT:'" . substr(str_pad($mplug['mplug_vlabel'], $descr_len), 0, $descr_len) . "   Current   Average  Maximum\l'";
}

$c_i = 0;
$dbq = dbFetchRows('SELECT * FROM `munin_plugins_ds` WHERE `mplug_id` = ?', [$mplug['mplug_id']]);
foreach ($dbq as $ds) {
    $ds_filename = rrd_name($device['hostname'], 'munin/' . $mplug['mplug_type'] . '_' . $ds['ds_name']);
    $ds_name = $ds['ds_name'];

    $cmd_def .= ' DEF:' . $ds['ds_name'] . '=' . $ds_filename . ':val:AVERAGE';

    if (! empty($ds['ds_cdef'])) {
        $cmd_cdef .= '';
        $ds_name = $ds['ds_name'] . '_cdef';
    }

    if ($ds['ds_graph'] == 'yes') {
        if (empty($ds['colour'])) {
            $colour = \LibreNMS\Config::get("graph_colours.mixed.$c_i");

            if (! $colour) {
                $c_i = 0;
                $colour = \LibreNMS\Config::get("graph_colours.mixed.$c_i");
            }

            $c_i++;
        } else {
            $colour = $ds['colour'];
        }

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

        $cmd_graph .= ' ' . $ds['ds_draw'] . ':' . $ds_name . '#' . $colour . ":'" . $descr . "'";
        $cmd_graph .= ' GPRINT:' . $ds_name . ':LAST:"%6.2lf%s"';
        $cmd_graph .= ' GPRINT:' . $ds_name . ':AVERAGE:"%6.2lf%s"';
        $cmd_graph .= ' GPRINT:' . $ds_name . ':MAX:"%6.2lf%s\\n"';
    }
}//end foreach

$rrd_options .= $cmd_def . $cmd_cdef . $cmd_graph;
