<?php
/* Copyright (C) 2014 Daniel Preussker <f0o@devilcode.org>
 * 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>. */

/**
 * Custom Frontpage
 * @author f0o <f0o@devilcode.org>
 * @copyright 2014 f0o, LibreNMS
 * @license GPL
 * @package LibreNMS
 * @subpackage Frontpage
 */

use Auth;
use LibreNMS\Config;

$install_dir = Config::get('install_dir');
require_once $install_dir . '/includes/alerts.inc.php';
require_once $install_dir . '/includes/device-groups.inc.php';

if (Config::get('map.engine', 'leaflet') == 'leaflet') {
    $temp_output = '
<script src="js/leaflet.js"></script>
<script src="js/leaflet.markercluster.js"></script>
<script src="js/leaflet.awesome-markers.min.js"></script>
<div id="leaflet-map"></div>
<script>
        ';
    $init_lat = Config::get('leaflet.default_lat', 51.48);
    $init_lng = Config::get('leaflet.default_lng', 0);
    $init_zoom = Config::get('leaflet.default_zoom', 5);
    $group_radius = Config::get('leaflet.group_radius', 80);
    $tile_url = Config::get('leaflet.tile_url', '{s}.tile.openstreetmap.org');
    $show_status = [0, 1];
    $map_init = "[" . $init_lat . ", " . $init_lng . "], " . sprintf("%01.1f", $init_zoom);
    $temp_output .= 'var map = L.map(\'leaflet-map\', { zoomSnap: 0.1 } ).setView('.$map_init.');
L.tileLayer(\'//'.$tile_url.'/{z}/{x}/{y}.png\', {
    attribution: \'&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors\'
}).addTo(map);

var markers = L.markerClusterGroup({
    maxClusterRadius: ' . $group_radius . ',
    iconCreateFunction: function (cluster) {
        var markers = cluster.getAllChildMarkers();
        var n = 0;
        color = "green"
        newClass = "Cluster marker-cluster marker-cluster-small leaflet-zoom-animated leaflet-clickable";
        for (var i = 0; i < markers.length; i++) {
            if (markers[i].options.icon.options.markerColor == "blue" && color != "red") {
                color = "blue";
            }
            if (markers[i].options.icon.options.markerColor == "red") {
                color = "red";
            }
        }
        return L.divIcon({ html: cluster.getChildCount(), className: color+newClass, iconSize: L.point(40, 40) });
    },
  });
var redMarker = L.AwesomeMarkers.icon({
    icon: \'server\',
    markerColor: \'red\', prefix: \'fa\', iconColor: \'white\'
  });
var blueMarker = L.AwesomeMarkers.icon({
      icon: \'server\',
      markerColor: \'blue\', prefix: \'fa\', iconColor: \'white\'
    });
var greenMarker = L.AwesomeMarkers.icon({
    icon: \'server\',
    markerColor: \'green\', prefix: \'fa\', iconColor: \'white\'
  });
        ';

    // Checking user permissions
    if (Auth::user()->hasGlobalRead()) {
    // Admin or global read-only - show all devices
        $sql = "SELECT DISTINCT(`device_id`),`location`,`sysName`,`hostname`,`os`,`status`,`lat`,`lng` FROM `devices`
                LEFT JOIN `locations` ON `devices`.`location_id`=`locations`.`id`
                WHERE `disabled`=0 AND `ignore`=0 AND ((`lat` != '' AND `lng` != '') OR (`location` REGEXP '\[[0-9\.\, ]+\]'))
                AND `status` IN " . dbGenPlaceholders(count($show_status)) .
                " ORDER BY `status` ASC, `hostname`";
        $param = $show_status;
    } else {
    // Normal user - grab devices that user has permissions to
        $sql = "SELECT DISTINCT(`devices`.`device_id`) as `device_id`,`location`,`sysName`,`hostname`,`os`,`status`,`lat`,`lng`
                FROM `devices_perms`, `devices`
                LEFT JOIN `locations` ON `devices`.location_id=`locations`.`id`
                WHERE `disabled`=0 AND `ignore`=0 AND ((`lat` != '' AND `lng` != '') OR (`location` REGEXP '\[[0-9\.\, ]+\]'))
                AND `devices`.`device_id` = `devices_perms`.`device_id`
                AND `devices_perms`.`user_id` = ? AND `status` IN " . dbGenPlaceholders(count($status_select)) .
                " ORDER BY `status` ASC, `hostname`";
        $param = array_merge([Auth::id()], $status_select);
    }

    foreach (dbFetchRows($sql, $param) as $map_devices) {
        $icon = 'greenMarker';
        $z_offset = 0;
        $tmp_loc = parse_location($map_devices['location']);
        if (is_numeric($tmp_loc['lat']) && is_numeric($tmp_loc['lng'])) {
            $map_devices['lat'] = $tmp_loc['lat'];
            $map_devices['lng'] = $tmp_loc['lng'];
        }
        if ($map_devices['status'] == 0) {
            if (IsMaintenance($map_devices['device_id'])) {
                if ($show_status == 0) { // Don't show icon if only down devices should be shown
                    continue;
                } else {
                    $icon = 'blueMarker';
                    $z_offset = 5000;
                }
            } else {
                $icon = 'redMarker';
                $z_offset = 10000;  // move marker to foreground
            }
        }
        $temp_output .= "var title = '<a href=\"" . generate_device_url($map_devices) . "\"><img src=\"".getIcon($map_devices)."\" width=\"32\" height=\"32\" alt=\"\"> ".format_hostname($map_devices)."</a>';
var tooltip = '".format_hostname($map_devices)."';
var marker = L.marker(new L.LatLng(".$map_devices['lat'].", ".$map_devices['lng']."), {title: tooltip, icon: $icon, zIndexOffset: $z_offset});
marker.bindPopup(title);
    markers.addLayer(marker);\n";
    }
    $temp_output .= 'map.addLayer(markers);
map.scrollWheelZoom.disable();
$(document).ready(function(){
    $("#leaflet-map").on("click", function(event) {
        map.scrollWheelZoom.enable();
    });
    $("#leaflet-map").mouseleave(function(event) {
        map.scrollWheelZoom.disable();
    });
});
</script>';
} else {
    $temp_output = 'Mapael engine not supported here';
}

unset($common_output);
$common_output[] = $temp_output;
