<?php
/**
 * @package		HikaShop for Joomla!
 * @version		1.6.0
 * @author		hikashop.com
 * @copyright	(C) 2010-2012 HIKARI SOFTWARE. All rights reserved.
 * @license		GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
 */
defined('_JEXEC') or die('Restricted access');
?>
<?php
class plgSystemHikashopgeolocation extends JPlugin
{
	function plgSystemHikashopgeolocation(&$subject, $config){
		parent::__construct($subject, $config);
		if(!isset($this->params)){
			$plugin =& JPluginHelper::getPlugin('system', 'hikashopgeolocation');
			jimport('joomla.html.parameter');
			$this->params = new JParameter( $plugin->params );
		}
    }
    function onAfterOrderCreate(&$order,&$send_email){
    	$app =& JFactory::getApplication();
		if ($app->isAdmin() || !hikashop_level(2)) return true;
    	if(!empty($order->order_id) && !empty($order->order_ip)){
    		$order_geoloc = $this->params->get('order',1);
    		if($order_geoloc){
	    		$geo = null;
	    		$geo->geolocation_ref_id = $order->order_id;
	    		$geo->geolocation_type = 'order';
	    		$geo->geolocation_ip = $order->order_ip;
	    		$class = hikashop_get('class.geolocation');
	    		$class->params =& $this->params;
	    		$class->save($geo);
    		}
    	}
		return true;
    }
    function onAfterInitialise(){
	    $app =& JFactory::getApplication();
		if ($app->isAdmin()) return true;
		$zone = 0;
		$components  = $this->params->get('components','all');
		if($components=='all' || in_array($_REQUEST['option'],explode(',',$components))){
			$blocked_zones = $this->params->get('blocked_zones','');
			$authorized_zones = $this->params->get('authorized_zones','');
			if(!empty($blocked_zones) || !empty($authorized_zones)){
				if(!include_once(rtrim(JPATH_ADMINISTRATOR,DS).DS.'components'.DS.'com_hikashop'.DS.'helpers'.DS.'helper.php')) return true;
				if(!hikashop_level(2)) return true;
				$zone = $this->getZone();
				if(!empty($zone)){
					$zoneClass = hikashop_get('class.zone');
					$parents = $zoneClass->getZoneParents($zone);
					$db =& JFactory::getDBO();
					$zones = array();
					foreach($parents as $parent){
						$zones[] = $db->Quote($parent);
					}
					$db->setQuery('SELECT zone_id FROM '.hikashop_table('zone').' WHERE zone_namekey IN ('.implode(',',$zones).')');
					$zones = $db->loadResultArray();
					$ok = false;
					if(!empty($authorized_zones)){
						$authorized_zones = explode(',',$authorized_zones);
						$valid_zones = array_intersect($zones,$authorized_zones);
						if(!empty($valid_zones)){
							$ok=true;
						}
					}elseif(!empty($blocked_zones)){
						$ok=true;
						$blocked_zones = explode(',',$blocked_zones);
						$invalid_zones = array_intersect($zones,$blocked_zones);
						if(!empty($invalid_zones)){
							$ok=false;
						}
					}
					if(!$ok){
						$app =& JFactory::getApplication();
						$name = 'hikashopgeolocation_restricted.php';
				    	$path = JPATH_THEMES.DS.$app->getTemplate().DS.'system'.DS.$name;
				    	if(!file_exists($path)){
					    	if(version_compare(JVERSION,'1.6','<')){
				    			$path = JPATH_PLUGINS .DS.'system'.DS.$name;
				    		}else{
				    			$path = JPATH_PLUGINS .DS.'system'.DS.'hikashopgeolocation'.DS.$name;
				    		}
				    		if(!file_exists($path)){
				    			exit;
				    		}
				    	}
				    	require($path);
					}
				}
			}
		}
		$set_default_currency  = $this->params->get('set_default_currency',0);
		if($set_default_currency){
			$currency = $app->getUserState( 'com_hikashop.currency_id',0);
	    	if(empty($currency)){
		    	if(empty($zone)){
					if(!include_once(rtrim(JPATH_ADMINISTRATOR,DS).DS.'components'.DS.'com_hikashop'.DS.'helpers'.DS.'helper.php')) return true;
					if(!hikashop_level(2)) return true;
					$zone = $this->getZone();
				}
				$config =& hikashop_config();
				$toSetCurrency = (int)$config->get('main_currency',1);
	    		if(!empty($zone)){
					$zoneClass = hikashop_get('class.zone');
					$zone_currency_id = $zoneClass->getZoneCurrency($zone);
					if(!empty($zone_currency_id)){
						$currencyClass = hikashop_get('class.currency');
						$currencyData = $currencyClass->get($zone_currency_id);
						if(!empty($currencyData) && ($currencyData->currency_published || $currencyData->currency_displayed)){
							$toSetCurrency = $zone_currency_id;
						}
					}
	    		}
	    		$app->setUserState( HIKASHOP_COMPONENT.'.currency_id',$toSetCurrency);
	    	}
		}
    	return true;
    }
	function getZone(){
    	$app =& JFactory::getApplication();
    	$zone = $app->getUserState( HIKASHOP_COMPONENT.'.zone_id',0);
		if(empty($zone)){
			$geoClass = hikashop_get('class.geolocation');
			$location = $geoClass->getIPLocation(hikashop_getIP());
			if(!empty($location)){
	            $geolocation_country_code = $location->countryCode;
	            $db =& JFactory::getDBO();
	            $db->setQuery('SELECT * FROM '.hikashop_table('zone').' WHERE zone_code_2 ='.$db->Quote($geolocation_country_code).' AND zone_type=\'country\'  AND zone_published=1');
	            $zones = $db->loadObjectList();
				if(!empty($zones)){
					$states = array();
					$countries = array();
					foreach($zones as $zone){
						if($zone->zone_type=='state'){
							$states[]=$zone;
						}else{
							$countries[]=$zone;
						}
					}
					if(!empty($states)){
						if(empty($countries)){
							$zone = $states[0]->zone_id;
						}else{
							$child_namekeys=array();
							foreach($states as $state){
								$child_namekeys[]=$db->Quote($state->zone_namekey);
							}
							$parent_namekeys=array();
							foreach($countries as $country){
								$parent_namekeys[]=$db->Quote($country->zone_namekey);
							}
							$db->setQuery('SELECT zone_child_namekey FROM '.hikashop_table('zone_link').' WHERE zone_parent_namekey IN ('.implode(',',$parent_namekeys).') AND zone_child_namekey IN ('.implode(',',$child_namekeys).')');
							$link = $db->loadResult();
							if(empty($link)){
								$zone = $countries[0]->zone_id;
							}else{
								foreach($states as $state){
									if($state->zone_namekey==$link){
										$zone = $state->zone_id;
									}
								}
							}
						}
					}else{
						$zone = $countries[0]->zone_id;
					}
				}
	            if(empty($zone)){
	            	$db->setQuery('SELECT zone_id FROM '.hikashop_table('zone').' WHERE 	zone_code_2='.$db->Quote($geolocation_country_code).' AND zone_published=1');
	            	$zone = $db->loadResult();
	            }
	            if(!empty($zone)){
	            	$app->setUserState( HIKASHOP_COMPONENT.'.zone_id',$zone);
	            }
			}
		}
		return $zone;
    }
}