<?php
// Pandora FMS - http://pandorafms.com
// ==================================================
// Copyright (c) 2005-2010 Artica Soluciones Tecnologicas
// Please see http://pandorafms.org for full contribution list

// 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 for version 2.
// 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.

include("../include/functions_tactical.php");
include("../include/functions_servers.php");

class Tactical {
	private $correct_acl = false;
	private $acl = "AR";
	
	function __construct() {
		$system = System::getInstance();
		
		if ($system->checkACL($this->acl)) {
			$this->correct_acl = true;
		}
		else {
			$this->correct_acl = false;
		}
	}
	
	public function show() {
		if (!$this->correct_acl) {
			$this->show_fail_acl();
		}
		else {
			$this->show_tactical();
		}
	}
	
	public function ajax($parameter2 = false) {
		$system = System::getInstance();
		
		if (!$this->correct_acl) {
			return;
		}
		else {
			switch ($parameter2) {
				case 'render_status_pie':
					$links = $system->getRequest('links', '');
					$links = $system->safeOutput($links);
					$data = $system->getRequest('data', '');
					$data = $system->safeOutput($data);
					$data = str_replace('\\','',$data);
					$links = str_replace('\\','',$links);
					$width = $system->getRequest('width', 230);
					
					$max_width = 399;
					
					if($width > $max_width) {
						$width = $max_width;
					}
					
					echo reporting_get_stats_modules_status(json_decode($data, true), $width, $width/2, json_decode($links, true));
					exit;
			}
		}
	 }
	
	private function show_fail_acl() {
		$error['type'] = 'onStart';
		$error['title_text'] = __('You don\'t have access to this page');
		$error['content_text'] = System::getDefaultACLFailText();
		if (class_exists("HomeEnterprise"))
			$home = new HomeEnterprise();
		else
			$home = new Home();
		$home->show($error);
	}
	
	private function show_tactical() {
		$ui = Ui::getInstance();
		
		$ui->createPage();
		$ui->createDefaultHeader(__("Tactical view"),
				$ui->createHeaderButton(
					array('icon' => 'back',
						'pos' => 'left',
						'text' => __('Back'),
						'href' => 'index.php?page=home')));
		$ui->showFooter(false);
		$ui->beginContent();
			$ui->contentBeginGrid('responsive');
				//~ $data = reporting_get_group_stats();
				$all_data = tactical_status_modules_agents($config['id_user'], $user_strict, 'AR', $user_strict);

				$data = array();

				$data['monitor_not_init'] = (int) $all_data['_monitors_not_init_'];
				$data['monitor_unknown'] = (int) $all_data['_monitors_unknown_'];
				$data['monitor_ok'] = (int) $all_data['_monitors_ok_'];
				$data['monitor_warning'] = (int) $all_data['_monitors_warning_'];
				$data['monitor_critical'] = (int) $all_data['_monitors_critical_'];
				$data['monitor_not_normal'] = (int) $all_data['_monitor_not_normal_'];
				$data['monitor_alerts'] = (int) $all_data['_monitors_alerts_'];
				$data['monitor_alerts_fired'] = (int) $all_data['_monitors_alerts_fired_'];

				$data['total_agents'] = (int) $all_data['_total_agents_'];

				$data["monitor_checks"] = (int) $all_data['_monitor_checks_'];


				// Percentages
				if (!empty($all_data)) {
					if ($data["monitor_not_normal"] > 0 && $data["monitor_checks"] > 0)
						$data['monitor_health'] = format_numeric (100 - ($data["monitor_not_normal"] / ($data["monitor_checks"] / 100)), 1);
					else
						$data["monitor_health"] = 100;
					
					if ($data["monitor_not_init"] > 0 && $data["monitor_checks"] > 0)
						$data["module_sanity"] = format_numeric (100 - ($data["monitor_not_init"] / ($data["monitor_checks"] / 100)), 1);
					else
						$data["module_sanity"] = 100;
					
					if (isset($data["alerts"])) {
						if ($data["monitor_alerts_fired"] > 0 && $data["alerts"] > 0)
							$data["alert_level"] = format_numeric (100 - ($data["monitor_alerts_fired"] / ($data["alerts"] / 100)), 1);
						else
							$data["alert_level"] = 100;
					} 
					else {
						$data["alert_level"] = 100;
						$data["alerts"] = 0;
					}
					$data["monitor_bad"] = $data["monitor_critical"] + $data["monitor_warning"];
					if ($data["monitor_bad"] > 0 && $data["monitor_checks"] > 0)
						$data["global_health"] = format_numeric (100 - ($data["monitor_bad"] / ($data["monitor_checks"] / 100)), 1);
					else
						$data["global_health"] = 100;
					$data["server_sanity"] = format_numeric (100 - $data["module_sanity"], 1);
				}
				
				$data['mobile'] = true;
				
				$formatted_data = reporting_get_stats_indicators($data, 100, 10, false);
				$formatted_data_untiny = reporting_get_stats_indicators($data, 140, 15, false);
				
				$overview = '<table class="tactical_bars">
						<tr>
							<td>' . $formatted_data['server_health']['title'] . '</td>
							<td class="tiny tactical_bar">' . $formatted_data['server_health']['graph'] . '</td>
							<td class="untiny tactical_bar">' . $formatted_data_untiny['server_health']['graph'] . '</td>
						</tr>
						<tr>
							<td>' . $formatted_data['monitor_health']['title'] . '</td>
							<td class="tiny tactical_bar">' . $formatted_data['monitor_health']['graph'] . '</td>
							<td class="untiny tactical_bar">' . $formatted_data_untiny['monitor_health']['graph'] . '</td>
						</tr>
						<tr>
							<td>' . $formatted_data['module_sanity']['title'] . '</td>
							<td class="tiny tactical_bar">' . $formatted_data['module_sanity']['graph'] . '</td>
							<td class="untiny tactical_bar">' . $formatted_data_untiny['module_sanity']['graph'] . '</td>
						</tr>
						<tr>
							<td>' . $formatted_data['alert_level']['title'] . '</td>
							<td class="tiny tactical_bar">' . $formatted_data['alert_level']['graph'] . '</td>
							<td class="untiny tactical_bar">' . $formatted_data_untiny['alert_level']['graph'] . '</td>
						</tr>
					</table>';
								
				$agents_monitors = reporting_get_stats_agents_monitors($data);
				$alerts_stats = reporting_get_stats_alerts($data);

				$overview .= "<br />\n" . $agents_monitors;
				$overview .= "<br />\n" . $alerts_stats;
				
				$ui->contentGridAddCell($overview, 'tactical1');

				$links['monitor_critical'] = "index.php?page=modules&status=1";
				$links['monitor_warning'] = "index.php?page=modules&status=2";
				$links['monitor_ok'] = "index.php?page=modules&status=0";
				$links['monitor_unknown'] = "index.php?page=modules&status=3";
				$links['monitor_not_init'] = "index.php?page=modules&status=5";
				
				$formatted_data = "<div id='status_pie'></div>";
				$formatted_data .= html_print_div (array('id' => 'status_pie_links','content' => io_safe_input(json_encode($links)), 'hidden' => '1'), true);
				$formatted_data .= html_print_div (array('id' => 'status_pie_data','content' => io_safe_input(json_encode($data)), 'hidden' => '1'), true);
				
				$formatted_data = $formatted_data;
				$ui->contentGridAddCell($formatted_data, 'tactical2');
			$ui->contentEndGrid();
			
			$this->getLastActivity();
			$ui->contentBeginCollapsible(__('Last activity'));
				
				$table = new Table();
				$table->importFromHash($this->getLastActivity());
				$ui->contentCollapsibleAddItem($table->getHTML());
			$ui->contentEndCollapsible();
			$ui->contentAddHtml("<script type=\"text/javascript\">
			$(document).ready(function() {
				function set_same_heigth() {
					//Set same height to boxes
					var max_height = 0;
					if ($('#tactical1').height() > $('#tactical2 .tactical_set').height()) {
						max_height = $('#tactical1').height();
						$('#tactical2 .tactical_set').height(max_height);
					}
					else {
						max_height = $('#tactical2 .tactical_set').height();
						//~ $('#tactical1').height(max_height);
					}
				}
				
				function ajax_load_status_pie() {
					$('#status_pie').html('<div style=\"text-align: center\"> " . __('Loading...') . "<br /><img src=\"images/ajax-loader.gif\" /></div>');
					
					var pie_width = $('#tactical2').width() * 0.9;

					postvars = {};
					postvars[\"action\"] = \"ajax\";
					postvars[\"parameter1\"] = \"tactical\";
					postvars[\"parameter2\"] = \"render_status_pie\";
					postvars[\"links\"] = $('#status_pie_links').text();
					postvars[\"data\"] = $('#status_pie_data').text();
					postvars[\"width\"] = pie_width;
					$.post(\"index.php\",
						postvars,
						function (data) {
							$('#status_pie').html(data);
							set_same_heigth();
						},
						\"html\");
				}
				
				// Detect orientation change to refresh dinamic content
				$(window).on({
					orientationchange: function(e) {
						// Refresh events bar
						ajax_load_status_pie();
						
						// Keep same height on boxes
						if ($('.ui-block-b').css('float') == 'none') {
							$('#tactical1').height('auto');
							$('#tactical2').height('auto');
						}
						else {
							set_same_heigth();
						}
					}
				});
									
				if ($('.ui-block-b').css('float') != 'none') {
					set_same_heigth();
				}
				
				ajax_load_status_pie();
			});			
			</script>");
		$ui->endContent();
		$ui->showPage();
	}
	
	private function getLastActivity() {
		global $config;
		
		switch ($config["dbtype"]) {
			case "mysql":
				$sql = sprintf ("SELECT id_usuario,accion,fecha,ip_origen,descripcion,utimestamp
					FROM tsesion
					WHERE (`utimestamp` > UNIX_TIMESTAMP(NOW()) - " . SECONDS_1WEEK . ") 
						AND `id_usuario` = '%s' ORDER BY `utimestamp` DESC LIMIT 10", $config["id_user"]);
				break;
			case "postgresql":
				$sql = sprintf ("SELECT \"id_usuario\", accion, fecha, \"ip_origen\", descripcion, utimestamp
					FROM tsesion
					WHERE (\"utimestamp\" > ceil(date_part('epoch', CURRENT_TIMESTAMP)) - " . SECONDS_1WEEK . ") 
						AND \"id_usuario\" = '%s' ORDER BY \"utimestamp\" DESC LIMIT 10", $config["id_user"]);
				break;
			case "oracle":
				$sql = sprintf ("SELECT id_usuario, accion, fecha, ip_origen, descripcion, utimestamp
					FROM tsesion
					WHERE ((utimestamp > ceil((sysdate - to_date('19700101000000','YYYYMMDDHH24MISS')) * (" . SECONDS_1DAY . ")) - " . SECONDS_1WEEK . ") 
						AND id_usuario = '%s') AND rownum <= 10 ORDER BY utimestamp DESC", $config["id_user"]);
				break;
		}
		
		$sessions = db_get_all_rows_sql ($sql);
		
		if ($sessions === false)
			$sessions = array ();
		
		$return = array();
		foreach ($sessions as $session) {
			$data = array();
			
			switch ($config["dbtype"]) {
				case "mysql":
				case "oracle":
					$session_id_usuario = $session['id_usuario'];
					$session_ip_origen = $session['ip_origen'];
					break;
				case "postgresql":
					$session_id_usuario = $session['id_usuario'];
					$session_ip_origen = $session['ip_origen'];
					break;
			}
			
			$data[__("Action")] = ui_print_session_action_icon ($session['accion'], true);
			$data[__("User")] =  $session_id_usuario;
			$data[__("Date")] =  human_time_comparation($session['utimestamp'], 'tiny');
			$data[__("Source IP")] = $session_ip_origen;
			$data[__("Description")] = io_safe_output ($session['descripcion']);
			
			$return[] = $data;
		}
		
		return $return;
	}
}
?>