<?php

/*
 * LibreNMS
 *
 * Copyright (c) 2014 Neil Lathwood <https://github.com/laf/ http://www.lathwood.co.uk/fa>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.  Please see LICENSE.txt at the top level of
 * the source code distribution for details.
 */

if(is_admin() === false) {
    die('ERROR: You need to be admin');
}

$rule   = mres($_POST['rule']);
$target = mres($_POST['target']);
$map_id = mres($_POST['map_id']);
$ret    = array();

if( empty($rule) || empty($target) ) {
	$ret[] = "ERROR: No map was generated";
} else {
	$raw = $rule;
	$rule = dbFetchCell('SELECT id FROM alert_rules WHERE name = ?',array($rule));
	if( !is_numeric($rule) ) {
		array_unshift($ret, "ERROR: Could not find rule for '".$raw."'");
	} else {
		$raw = $target;
		if( $target[0].$target[1] == "g:" ) {
			$target = "g".dbFetchCell('SELECT id FROM device_groups WHERE name = ?',array(substr($target,2)));
		} else {
			$target = dbFetchCell('SELECT device_id FROM devices WHERE hostname = ?',array($target));
		}
		if( !is_numeric(str_replace('g','',$target)) ) {
			array_unshift($ret, "ERROR: Could not find entry for '".$raw."'");
		} else {
			if(is_numeric($map_id) && $map_id > 0) {
				if(dbUpdate(array('rule' => $rule,'target'=>$target), 'alert_map', 'id=?',array($map_id)) >= 0) {
					$ret[] = "Edited Map: <i>".$map_id.": ".$rule." = ".$target."</i>";
				} else {
					array_unshift($ret,"ERROR: Failed to edit Map: <i>".$map_id.": ".$rule." = ".$target."</i>");
				}
			} else {
				if( dbInsert(array('rule'=>$rule,'target'=>$target),'alert_map') ) {
					$ret[] = "Added Map: <i>".$rule." = ".$target."</i>";
				} else {
					array_unshift($ret,"ERROR: Failed to add Map: <i>".$rule." = ".$target."</i>");
				}
			}
			if( ($tmp=dbFetchCell('SELECT device_id FROM alert_rules WHERE id = ?',array($rule))) && $tmp[0] != ":" ) {
				if(dbUpdate(array('device_id' => ':'.$tmp), 'alert_rules', 'id=?',array($rule)) >= 0) {
					$ret[] = "Edited Rule: <i>".$rule." device_id = ':".$tmp."'</i>";
				} else {
					array_unshift($ret,"ERROR: Failed to edit Rule: <i>".$rule.": device_id = ':".$tmp."'</i>");
				}
			}
		}
	}
}
foreach( $ret as $msg ) {
	echo $msg."<br/>";
}