<?php
/**
 * Copyright 2016 Ludovic Pouzenc <ludovic@pouzenc.fr>
 * Copyright 2016 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 * 
 * This file is part of CHD Gestion.
 * 
 * CHD Gestion 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.
 * 
 * CHD Gestion is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with CHD Gestion.  If not, see <http://www.gnu.org/licenses/>.
**/
include_once('inc/config.php');
$mysqli = new mysqli($db_config['host'], $db_config['username'], $db_config['password'], $db_config['database']);
if (mysqli_connect_errno()) {
	die(mysqli_connect_error());
}
unset($db_config);
$mysqli->set_charset("utf8") or die($mysqli->error);

/* Parse arguments */
$arg_keys=(array_key_exists('k', $_GET) && preg_match('/^([a-z][0-9]+,)*[a-z][0-9]+$/', $_GET['k']))?(explode(',', $_GET['k'])):array();

/* Filter out keys to keep only equipments */
$eids=array();
foreach ( $arg_keys as $k ) {
	if ( $k['0'] == 'e' ) {
		$eids[]=substr($k,1);
	}
}

if ( count($eids) === 0 ) {
	die("Wrong args");
}

$eids_sql = "('" . implode($eids, "','") . "')";

$arr_out = array();
$res = $mysqli->query("SELECT id, ipmgmt_id FROM equipements WHERE id IN $eids_sql;");
while ( $row = $res->fetch_assoc() ) {
	$eid = $row['id'];
	$ip = $row['ipmgmt_id'];
	$color = FALSE;
	if ( $ip !== NULL ) {
		$url = "http://moniteur.chd.sx/etat_reseau/ping.php?ip=$ip";
		$color = file_get_contents($url);
	}
	if ( ! is_string($color) ) {
		$color = 'black';
	}
	$arr_out[] = array('eid'=>'e'.$eid, 'color'=>$color);
}

/* Output arr_out as JSON to the web client */
echo json_encode($arr_out);