<?php

//
// Change the uncommented line to point to your Cacti installation
//
$cacti_base = dirname(__FILE__) . '/../../';

// $cacti_base = 'C:/xampp/htdocs/cacti/';
// $cacti_base = '/var/www/html/cacti/';
// $cacti_base = '/Applications/XAMPP/htdocs/cacti/';

// check if the goalposts have moved
if (is_dir($cacti_base) && file_exists($cacti_base . '/include/global.php')) {
    // include the cacti-config, so we know about the database
    require_once $cacti_base . '/include/global.php';
} elseif (is_dir($cacti_base) && file_exists($cacti_base . '/include/config.php')) {
    // include the cacti-config, so we know about the database
    require_once $cacti_base . '/include/config.php';
} else {
    die("Couldn't find a usable Cacti config - check the first few lines of " . __FILE__
        . "\n");
}

require_once 'Weathermap.class.php';
require_once 'Console/Getopt.php';

$reverse = 0;
$inputfile = '';
$outputfile = '';
$converted = 0;
$candidates = 0;
$totaltargets = 0;

$cg = new Console_Getopt();
$short_opts = '';
$long_opts = array (
    'help',
    'input=',
    'output=',
    'debug'
);

$args = $cg->readPHPArgv();
$ret = $cg->getopt($args, $short_opts, $long_opts);

if (PEAR::isError($ret)) {
    die('Error in command line: ' . $ret->getMessage() . "\n (try --help)\n");
}

$gopts = $ret[0];

if (count($gopts) > 0) {
    foreach ($gopts as $o) {
        switch ($o[0]) {
            case '--debug':
                $weathermap_debugging = true;
                break;

            case '--input':
                $inputfile = $o[1];
                break;

            case '--output':
                $outputfile = $o[1];
                break;

            case 'help':
            default:
                print "Weathermap DSStats converter. Converts rrd targets to DSStats\n";
                print "-------------------------------------------------------------\n";
                print "Usage: php convert-to-dstats.php [options]\n\n";
                print " --input {filename}         - File to read from\n";
                print " --output {filename}        - File to write to\n";
                print " --debug                    - Enable debugging output\n";
                print " --help                    - Show this message\n";
                exit();
        }
    }
}

if ($inputfile === '' || $outputfile === '') {
    print "You must specify an input and output file. See --help.\n";
    exit();
}

$map = new WeatherMap;

$map->context = 'cacti';
$map->rrdtool = read_config_option('path_rrdtool');

print 'Reading config from '.$inputfile."\n";

$map->ReadConfig($inputfile);

// 'Draw' the map, so that we get dimensions for all the nodes
// and offsets for links are calculated.
$map->DrawMap(null);

// loop through all links
// adjust node offsets so that links come from correct side of nodes, and ideally still
// from underneath them (e.g. NE80 not NE)

$map->WriteConfig($outputfile);

print 'Wrote new config to '.$outputfile."\n";