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

// Here we scale the number of numerical columns shown to make sure we keep the text.
if ($width > 600) {
    $data_show = ['lst', 'avg', 'min', 'max', 'tot'];
} elseif ($width > 400) {
    $data_show = ['lst', 'avg', 'max', 'tot'];
} elseif ($width > 300) {
    $data_show = ['lst', 'avg', 'max', 'tot'];
} else {
    $data_show = ['lst', 'avg', 'max'];
}

// Drop total from view if requested not to show
if ($args['nototal'] || $nototal) {
    if (($key = array_search('tot', $data_show)) !== FALSE) {
        unset($data_show[$key]);
    }
}

// Here we scale the length of the description to make sure we keep the numbers
$data_len = safe_count($data_show) * 8;
if ($width > 600) {
    $descr_len = 40;
} elseif ($width > 300) {
    $descr_len = floor(($width + 42) / 8) - $data_len;
} else {
    $descr_len = floor(($width + 42) / 7) - $data_len;
}

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

if (!isset($unit_text)) {
    if ($format == "octets" || $format == "bytes") {
        $units     = "Bps";
        $format    = "bytes";
        $unit_text = "Bytes/s";
    } else {
        $units     = "bps";
        $format    = "bits";
        $unit_text = "Bits/s";
    }
}

if ($legend != 'no') {
    $rrd_options .= " COMMENT:'" . rrdtool_escape($unit_text, $descr_len) . "'";
    if (in_array("lst", $data_show)) {
        $rrd_options .= " COMMENT:'   Now'";
    }
    if (in_array("avg", $data_show)) {
        $rrd_options .= " COMMENT:'    Avg'";
    }
    if (in_array("min", $data_show)) {
        $rrd_options .= " COMMENT:'    Min'";
    }
    if (in_array("max", $data_show)) {
        $rrd_options .= " COMMENT:'    Max'";
    }
    if (in_array("tot", $data_show)) {
        $rrd_options .= " COMMENT:'  Total'";
    }
    $rrd_options .= " COMMENT:'\\l'";

    $graph_return['legend_lines']++;

}

// EOF