<?php
/**
* Core that runs the entire system.
* The index.php page handles:
* -# checks what page to load
* -# if a $_POST['function'] is set try to execute that function in the matching php file located in the func folder.
* -# else load the inc's folder matching function related to the page
* -# set the permission and other smarty related settings
* -# call the helper function to load the page.
* @author Daan Janssens, mentored by Matthew Lagoe
*/

//load required pages and turn error reporting on/off
error_reporting(E_ALL);
ini_set('display_errors', 'on');
require_once( '../../ams_lib/libinclude.php' );
if (!file_exists('../is_installed')) {
    //if is_installed doesnt exist run setup
    require( 'installer/libsetup.php' );
} elseif (isset($_POST["function"]) && $_POST["function"] == "do_install") {
    echo "Can't run setup while file '../is_installed' exists, please remove that file if you wish to run the install";
    exit;
} else {
    //if config exists then include it
    require( '../config.php' );
}
session_start();

//Running Cron?
if ( isset( $_GET["cron"]) ){
    if ($_GET["cron"] == "true"){
     Sync::syncdata(false);
     }
}

//Always try to sync on page load, ie "lazy" cron
Sync::syncdata(false);

//Decide what page to load
if ( ! isset( $_GET["page"]) ){
     if(isset($_SESSION['user'])){
          if(Ticket_User::isMod(unserialize($_SESSION['ticket_user']))){
               $page = 'dashboard';
          }else{
               $page = 'show_user';
          }
     }else{
          //default page
          $page = 'login';   
     }
}else{
     if(isset($_SESSION['user'])){
          $page = $_GET["page"];
     }else{
          switch($_GET["page"]){
               case 'register':
                    $page = 'register';
                    break;
               case 'forgot_password':
                    $page = 'forgot_password';
                    break;
               case 'reset_password':
                    $page = 'reset_password';
                    break;
               case 'error':
                    $page = 'error';
                    break;
               default:
                    $page = 'login';
                    break;
          }         
     }
}

//check if ingame & page= register
//this is needed because the ingame register can't send a hidden $_POST["function"]
if ( Helpers::check_if_game_client() && ($page == "register")){
     require( "func/add_user.php" );
     $return = add_user();
}

//perform an action in case one is specified
//else check if a php page is included in the inc folder, else just set page to the get param
if ( isset( $_POST["function"] ) ){
     require( "func/" . $_POST["function"] . ".php" );
     $return = $_POST["function"]();
}else{
     $filename = 'inc/' . $page . '.php';
     if(is_file($filename)){
          require_once($filename);
          $return = $page();
     }
}

//add username to the return array in case logged in.
if(isset($_SESSION['user'])){
     $return['username'] = $_SESSION['user'];
}
     
     
//Set permission
if(isset($_SESSION['ticket_user'])){
     $return['permission'] = unserialize($_SESSION['ticket_user'])->getPermission();
}else{
     //default permission
     $return['permission'] = 0; 
}


//hide sidebar + topbar in case of login/register
if($page == 'login' || $page == 'register' || $page == 'logout' || $page == 'forgot_password' || $page == 'reset_password'){
     $return['no_visible_elements'] = 'TRUE';
}else{
     $return['no_visible_elements'] = 'FALSE';
}

//handle error page
if($page == 'error'){
     $return['permission'] = 0;
     $return['no_visible_elements'] = 'FALSE';
}

//load the template with the variables in the $return array
helpers :: loadTemplate( $page , $return );