<?php
//////////////////////////////////////////////////
// CiviCRM Front-end Profile - Logic Layer
//////////////////////////////////////////////////

defined('_JEXEC') or die('No direct access allowed');

// check for php version and ensure its greater than 5.
// do a fatal exit if
if ((int ) substr(PHP_VERSION, 0, 1) < 5) {
  echo "CiviCRM requires PHP Version 5.2 or greater. You are running PHP Version " . PHP_VERSION . "<p>";
  exit();
}

define('CIVICRM_SETTINGS_PATH', dirname(__FILE__) . DIRECTORY_SEPARATOR . 'civicrm.settings.php');
include_once CIVICRM_SETTINGS_PATH;

civicrm_invoke();

function civicrm_init() {

  require_once 'CRM/Core/ClassLoader.php';
  CRM_Core_ClassLoader::singleton()->register();

  require_once 'PEAR.php';

  $config = CRM_Core_Config::singleton();

  // this is the front end, so let others know
  $config->userFrameworkFrontend = 1;
}

function civicrm_invoke() {
  civicrm_init();

  // check and ensure that we have a valid session
  if (!empty($_POST)) {
    // the session should not be empty
    // however for standalone forms, it will not have any CiviCRM variables in the
    // session either, so dont check for it
    if (count($_SESSION) <= 1) {
      $config = CRM_Core_Config::singleton();
      CRM_Utils_System::redirect($config->userFrameworkBaseURL);
    }
  }

  // add all the values from the itemId param
  // overrride the GET values if conflict
  if (CRM_Utils_Array::value('Itemid', $_GET)) {
    $component = JComponentHelper::getComponent('com_civicrm');
    $menu      = JSite::getMenu();
    $params    = $menu->getParams($_GET['Itemid']);
    $args      = array('task', 'id', 'gid', 'pageId', 'action', 'csid', 'component');
    $view      = CRM_Utils_Array::value('view', $_GET);
    if ($view) {
      $args[] = 'reset';
    }
    foreach ($args as $a) {
      $val = $params->get($a, NULL);
      if ($val !== NULL && $view) {
        $_REQUEST[$a] = $_GET[$a] = $val;
      }
    }
  }

  $task = CRM_Utils_Array::value('task', $_GET, '');
  $args = explode('/', trim($task));

  CRM_Core_Resources::singleton()->addCoreResources();
  CRM_Utils_System_Joomla::addHTMLHead();

  $user = JFactory::getUser();
  CRM_Core_BAO_UFMatch::synchronize($user, FALSE, 'Joomla', 'Individual', TRUE);

  CRM_Core_Invoke::invoke($args);
}