<?php
/*
* 2007-2012 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/afl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2012 PrestaShop SA
*  @version  Release: $Revision: 7095 $
*  @license    http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

require (dirname(__FILE__).'/menutoplinks.class.php');

class Blocktopmenu extends Module
{
	private $_menu = '';
	private $_html = '';
	private $user_groups;

	/*
	 * Pattern for matching config values
	 */
	private $pattern = '/^([A-Z_]*)[0-9]+/';

	/*
	 * Name of the controller
	 * Used to set item selected or not in top menu
	 */
	private $page_name = '';

	/*
	 * Spaces per depth in BO
	 */
	private $spacer_size = '5';

	public function __construct()
	{
		$this->name = 'blocktopmenu';
		$this->tab = 'front_office_features';
		$this->version = 1.5;
		$this->author = 'PrestaShop';

		parent::__construct();

		$this->displayName = $this->l('Top horizontal menu');
		$this->description = $this->l('Add a new menu on top of your shop.');
	}

	public function install()
	{
		if (!parent::install() ||
			!$this->registerHook('top') ||
			!Configuration::updateGlobalValue('MOD_BLOCKTOPMENU_ITEMS', 'CAT1,CMS1,CMS2,PRD1') ||
			!Configuration::updateGlobalValue('MOD_BLOCKTOPMENU_SEARCH', '1') ||
			!$this->registerHook('categoryUpdate') ||
			!$this->registerHook('categoryDeletion') ||
			!$this->registerHook('cmsUpdate') ||
			!$this->registerHook('cmsDeletion') ||
			!$this->registerHook('supplierUpdate') ||
			!$this->registerHook('supplierDeletion') ||
			!$this->registerHook('manufacturerUpdate') ||
			!$this->registerHook('manufacturerDeletion') ||
			!$this->registerHook('productUpdate') ||
			!$this->registerHook('productDeletion') ||
			!$this->installDB())
			return false;
		return true;
	}

	public function installDb()
	{
		return (Db::getInstance()->execute('
		CREATE TABLE IF NOT EXISTS `'._DB_PREFIX_.'linksmenutop` (
			`id_linksmenutop` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
			`id_shop` INT UNSIGNED NOT NULL,
			`new_window` TINYINT( 1 ) NOT NULL,
			INDEX (`id_shop`)
		) ENGINE = '._MYSQL_ENGINE_.' CHARACTER SET utf8 COLLATE utf8_general_ci;') &&
			Db::getInstance()->execute('
			 CREATE TABLE IF NOT EXISTS `'._DB_PREFIX_.'linksmenutop_lang` (
			`id_linksmenutop` INT NOT NULL,
			`id_lang` INT NOT NULL,
			`id_shop` INT NOT NULL,
			`label` VARCHAR( 128 ) NOT NULL ,
			`link` VARCHAR( 128 ) NOT NULL ,
			INDEX ( `id_linksmenutop` , `id_lang`, `id_shop`)
		) ENGINE = '._MYSQL_ENGINE_.' CHARACTER SET utf8 COLLATE utf8_general_ci;'));
	}

	public function uninstall()
	{
		if (!parent::uninstall() ||
			!Configuration::deleteByName('MOD_BLOCKTOPMENU_ITEMS') ||
			!Configuration::deleteByName('MOD_BLOCKTOPMENU_SEARCH') ||
			!$this->uninstallDB())
			return false;
		return true;
	}

	private function uninstallDb()
	{
		Db::getInstance()->execute('DROP TABLE `'._DB_PREFIX_.'linksmenutop`');
		Db::getInstance()->execute('DROP TABLE `'._DB_PREFIX_.'linksmenutop_lang`');
		return true;
	}

	public function getContent()
	{
		$id_lang = (int)Context::getContext()->language->id;
		$languages = $this->context->controller->getLanguages();
		$default_language = (int)Configuration::get('PS_LANG_DEFAULT');

		$labels = Tools::getValue('label') ? array_filter(Tools::getValue('label'), 'strlen') : array();
		$links_label = Tools::getValue('link') ? array_filter(Tools::getValue('link'), 'strlen') : array();
		$spacer = str_repeat('&nbsp;', $this->spacer_size);
		$divLangName = 'link_label';
		
		$update_cache = false;

		if (Tools::isSubmit('submitBlocktopmenu'))
		{
			if (Configuration::updateValue('MOD_BLOCKTOPMENU_ITEMS', Tools::getValue('items')))
				$this->_html .= $this->displayConfirmation($this->l('Settings Updated'));
			else
				$this->_html .= $this->displayError($this->l('Unable to update settings'));
			Configuration::updateValue('MOD_BLOCKTOPMENU_SEARCH', (bool)Tools::getValue('search'));
			$update_cache = true;
		}
		else if (Tools::isSubmit('submitBlocktopmenuLinks'))
		{

			if ((!count($links_label)) && (!count($labels)))
				;
			else if (!count($links_label))
				$this->_html .= $this->displayError($this->l('Please, fill the "Link" field'));
			else if (!count($labels))
				$this->_html .= $this->displayError($this->l('Please add a label'));
			else if (!isset($labels[$default_language]))
				$this->_html .= $this->displayError($this->l('Please add a label for your default language'));
			else
			{
				MenuTopLinks::add(Tools::getValue('link'), Tools::getValue('label'), Tools::getValue('new_window', 0), (int)Shop::getContextShopID());
				$this->_html .= $this->displayConfirmation($this->l('The link has been added'));
			}
			$update_cache = true;
		}
		else if (Tools::isSubmit('submitBlocktopmenuRemove'))
		{
			$id_linksmenutop = Tools::getValue('id_linksmenutop', 0);
			MenuTopLinks::remove($id_linksmenutop, (int)Shop::getContextShopID());
			Configuration::updateValue('MOD_BLOCKTOPMENU_ITEMS', str_replace(array('LNK'.$id_linksmenutop.',', 'LNK'.$id_linksmenutop), '', Configuration::get('MOD_BLOCKTOPMENU_ITEMS')));
			$this->_html .= $this->displayConfirmation($this->l('The link has been removed'));
			$update_cache = true;
		}
		else if (Tools::isSubmit('submitBlocktopmenuEdit'))
		{
			$id_linksmenutop = (int)Tools::getValue('id_linksmenutop', 0);
			$id_shop = (int)Shop::getContextShopID();

			if (!Tools::isSubmit('link'))
			{
				$tmp = MenuTopLinks::getLinkLang($id_linksmenutop, $id_shop);
				$links_label_edit = $tmp['link'];
				$labels_edit = $tmp['label'];
				$new_window_edit = $tmp['new_window'];
			}
			else
			{
				MenuTopLinks::update(Tools::getValue('link'), Tools::getValue('label'), Tools::getValue('new_window', 0), (int)$id_shop, (int)$id_linksmenutop, (int)$id_linksmenutop);
				$this->_html .= $this->displayConfirmation($this->l('The link has been edited'));
			}
			$update_cache = true;
		}
		
		if ($update_cache)
			$this->clearMenuCache();
		
		$this->_html .= '
		<fieldset>
			<div class="multishop_info">
			'.$this->l('The modifications will be applied to').' '.(Shop::getContext() == Shop::CONTEXT_SHOP ? $this->l('shop:').' '.$this->context->shop->name : $this->l('all shops')).'.
			</div>
			<legend><img src="'.$this->_path.'logo.gif" alt="" title="" />'.$this->l('Settings').'</legend>
			<form action="'.Tools::safeOutput($_SERVER['REQUEST_URI']).'" method="post" id="form">
				<div style="display: none">
				<label>'.$this->l('Items').'</label>
				<div class="margin-form">
					<input type="text" name="items" id="itemsInput" value="'.Configuration::get('MOD_BLOCKTOPMENU_ITEMS').'" size="70" />
				</div>
				</div>

				<div class="clear">&nbsp;</div>
				<table style="margin-left: 130px;">
					<tbody>
						<tr>
							<td>
								<select multiple="multiple" id="items" style="width: 300px; height: 160px;">';
		$this->makeMenuOption();
		$this->_html .= '</select><br/>
								<br/>
								<a href="#" id="removeItem" style="border: 1px solid rgb(170, 170, 170); margin: 2px; padding: 2px; text-align: center; display: block; text-decoration: none; background-color: rgb(250, 250, 250); color: rgb(18, 52, 86);">'.$this->l('Remove').' &gt;&gt;</a>
							</td>
							<td style="padding-left: 20px;">
								<select multiple="multiple" id="availableItems" style="width: 300px; height: 160px;">';

		// BEGIN CMS
		$this->_html .= '<optgroup label="'.$this->l('CMS').'">';
		$this->getCMSOptions(0, 1, $id_lang);
		$this->_html .= '</optgroup>';

		// BEGIN SUPPLIER
		$this->_html .= '<optgroup label="'.$this->l('Supplier').'">';
		$suppliers = Supplier::getSuppliers(false, $id_lang);
		foreach ($suppliers as $supplier)
			$this->_html .= '<option value="SUP'.$supplier['id_supplier'].'">'.$spacer.$supplier['name'].'</option>';
		$this->_html .= '</optgroup>';

		// BEGIN Manufacturer
		$this->_html .= '<optgroup label="'.$this->l('Manufacturer').'">';
		$manufacturers = Manufacturer::getManufacturers(false, $id_lang);
		foreach ($manufacturers as $manufacturer)
			$this->_html .= '<option value="MAN'.$manufacturer['id_manufacturer'].'">'.$spacer.$manufacturer['name'].'</option>';
		$this->_html .= '</optgroup>';

		// BEGIN Categories
		$this->_html .= '<optgroup label="'.$this->l('Categories').'">';
		$this->getCategoryOption(1, (int)$id_lang, (int)Shop::getContextShopID());
		$this->_html .= '</optgroup>';

		// BEGIN Products
		$this->_html .= '<optgroup label="'.$this->l('Products').'">';
		$this->_html .= '<option value="PRODUCT" style="font-style:italic">'.$spacer.$this->l('Choose ID product').'</option>';
		$this->_html .= '</optgroup>';

		// BEGIN Menu Top Links
		$this->_html .= '<optgroup label="'.$this->l('Menu Top Links').'">';
		$links = MenuTopLinks::gets($id_lang, null, (int)Shop::getContextShopID());
		foreach ($links as $link)
		{
			if ($link['label'] == '')
			{
				$link = MenuTopLinks::get($link['id_linksmenutop'], $default_language, (int)Shop::getContextShopID());
				$this->_html .= '<option value="LNK'.(int)$link[0]['id_linksmenutop'].'">'.$spacer.$link[0]['label'].'</option>';
			}
			else
				$this->_html .= '<option value="LNK'.(int)$link['id_linksmenutop'].'">'.$spacer.$link['label'].'</option>';
		}
		$this->_html .= '</optgroup>';

		$this->_html .= '</select><br />
								<br />
								<a href="#" id="addItem" style="border: 1px solid rgb(170, 170, 170); margin: 2px; padding: 2px; text-align: center; display: block; text-decoration: none; background-color: rgb(250, 250, 250); color: rgb(18, 52, 86);">&lt;&lt; '.$this->l('Add').'</a>
							</td>
						</tr>
					</tbody>
				</table>
				<div class="clear">&nbsp;</div>
				<script type="text/javascript">
				$(document).ready(function(){
					$("#addItem").click(add);
					$("#availableItems").dblclick(add);
					$("#removeItem").click(remove);
					$("#items").dblclick(remove);
					function add()
					{
						$("#availableItems option:selected").each(function(i){
							var val = $(this).val();
							var text = $(this).text();
							text = text.replace(/(^\s*)|(\s*$)/gi,"");
							if (val == "PRODUCT")
							{
								val = prompt("'.$this->l('Set ID product').'");
								if (val == null || val == "" || isNaN(val))
									return;
								text = "'.$this->l('Product ID').' "+val;
								val = "PRD"+val;
							}
							$("#items").append("<option value=\""+val+"\">"+text+"</option>");
						});
						serialize();
						return false;
					}
					function remove()
					{
						$("#items option:selected").each(function(i){
							$(this).remove();
						});
						serialize();
						return false;
					}
					function serialize()
					{
						var options = "";
						$("#items option").each(function(i){
							options += $(this).val()+",";
						});
						$("#itemsInput").val(options.substr(0, options.length - 1));
					}
				});
				</script>
				<label for="s">'.$this->l('Search Bar').'</label>
				<div class="margin-form">
					<input type="checkbox" name="search" id="s" value="1"'.((Configuration::get('MOD_BLOCKTOPMENU_SEARCH')) ? ' checked=""': '').'/>
				</div>
				<p class="center">
					<input type="submit" name="submitBlocktopmenu" value="'.$this->l('	Save	').'" class="button" />
				</p>
			</form>
		</fieldset><br />';

		$this->_html .= '
		<fieldset>
			<legend><img src="../img/admin/add.gif" alt="" title="" />'.$this->l('Add Menu Top Link').'</legend>
			<form action="'.Tools::safeOutput($_SERVER['REQUEST_URI']).'" method="post" id="form">

				';
		foreach ($languages as $language)
		{
			$this->_html .= '
					<div id="link_label_'.(int)$language['id_lang'].'" style="display: '.($language['id_lang'] == $id_lang ? 'block' : 'none').';">
				<label>'.$this->l('Label').'</label>
				<div class="margin-form">
						<input type="text" name="label['.(int)$language['id_lang'].']" id="label_'.(int)$language['id_lang'].'" size="70" value="'.(isset($labels_edit[$language['id_lang']]) ? Tools::safeOutput($labels_edit[$language['id_lang']]) : '').'" />
			  </div>
					';

			$this->_html .= '
				  <label>'.$this->l('Link').'</label>
				<div class="margin-form">
					<input type="text" name="link['.(int)$language['id_lang'].']" id="link_'.(int)$language['id_lang'].'" value="'.(isset($links_label_edit[$language['id_lang']]) ? Tools::safeOutput($links_label_edit[$language['id_lang']]) : '').'" size="70" />
				</div>
				</div>';
		}

		$this->_html .= '<label>'.$this->l('Language').'</label>
				<div class="margin-form">'.$this->displayFlags($languages, (int)$id_lang, $divLangName, 'link_label', true).'</div><p style="clear: both;"> </p>';

		$this->_html .= '<label style="clear: both;">'.$this->l('New Window').'</label>
				<div class="margin-form">
					<input style="clear: both;" type="checkbox" name="new_window" value="1" '.(isset($new_window_edit) && $new_window_edit ? 'checked' : '').'/>
				</div>
<div class="margin-form">';

		if (Tools::isSubmit('id_linksmenutop'))
			$this->_html .= '<input type="hidden" name="id_linksmenutop" value="'.(int)Tools::getValue('id_linksmenutop').'" />';

		if (Tools::isSubmit('submitBlocktopmenuEdit'))
			$this->_html .= '<input type="submit" name="submitBlocktopmenuEdit" value="'.$this->l('Edit').'" class="button" />';

		$this->_html .= '
					<input type="submit" name="submitBlocktopmenuLinks" value="'.$this->l('	Add	').'" class="button" />
</div>

			</form>
		</fieldset><br />';

		$links = MenuTopLinks::gets((int)$id_lang, null, (int)Shop::getContextShopID());

		if (!count($links))
			return $this->_html;

		$this->_html .= '
		<fieldset>
			<legend><img src="../img/admin/details.gif" alt="" title="" />'.$this->l('List Menu Top Link').'</legend>
			<table style="width:100%;">
				<thead>
					<tr style="text-align: left;">
						<th>'.$this->l('Id Link').'</th>
						<th>'.$this->l('Label').'</th>
						<th>'.$this->l('Link').'</th>
						<th>'.$this->l('New Window').'</th>
						<th>'.$this->l('Action').'</th>
					</tr>
				</thead>
				<tbody>';
		foreach ($links as $link)
		{
			$this->_html .= '
					<tr>
						<td>'.(int)$link['id_linksmenutop'].'</td>
						<td>'.Tools::safeOutput($link['label']).'</td>
						<td><a href="'.Tools::safeOutput($link['link']).'"'.(($link['new_window']) ? ' target="_blank"' : '').'>'.Tools::safeOutput($link['link']).'</a></td>
						<td>'.(($link['new_window']) ? $this->l('Yes') : $this->l('No')).'</td>
						<td>
							<form action="'.Tools::safeOutput($_SERVER['REQUEST_URI']).'" method="post">
								<input type="hidden" name="id_linksmenutop" value="'.(int)$link['id_linksmenutop'].'" />
								<input type="submit" name="submitBlocktopmenuEdit" value="'.$this->l('Edit').'" class="button" />
								<input type="submit" name="submitBlocktopmenuRemove" value="'.$this->l('Remove').'" class="button" />
							</form>
						</td>
					</tr>';
		}
		$this->_html .= '</tbody>
			</table>
		</fieldset>';
		return $this->_html;
	}

	private function getMenuItems()
	{
		return explode(',', Configuration::get('MOD_BLOCKTOPMENU_ITEMS'));
	}

	private function makeMenuOption()
	{
		$menu_item = $this->getMenuItems();
		$id_lang = (int)$this->context->language->id;
		$id_shop = (int)Shop::getContextShopID();

		foreach ($menu_item as $item)
		{
			if (!$item)
				continue;

			preg_match($this->pattern, $item, $values);
			$id = (int)substr($item, strlen($values[1]), strlen($item));

			switch (substr($item, 0, strlen($values[1])))
			{
				case 'CAT':
					$category = new Category((int)$id, (int)$id_lang);
					if (Validate::isLoadedObject($category))
						$this->_html .= '<option value="CAT'.$id.'">'.$category->name.'</option>'.PHP_EOL;
					break;

				case 'PRD':
					$product = new Product((int)$id, true, (int)$id_lang);
					if (Validate::isLoadedObject($product))
						$this->_html .= '<option value="PRD'.$id.'">'.$product->name.'</option>'.PHP_EOL;
					break;

				case 'CMS':
					$cms = new CMS((int)$id, (int)$id_lang);
					if (Validate::isLoadedObject($cms))
						$this->_html .= '<option value="CMS'.$id.'">'.$cms->meta_title.'</option>'.PHP_EOL;
					break;

				case 'CMS_CAT':
					$category = new CMSCategory((int)$id, (int)$id_lang);
					if (Validate::isLoadedObject($category))
						$this->_html .= '<option value="CMS_CAT'.$id.'">'.$category->name.'</option>'.PHP_EOL;
					break;

				case 'MAN':
					$manufacturer = new Manufacturer((int)$id, (int)$id_lang);
					if (Validate::isLoadedObject($manufacturer))
						$this->_html .= '<option value="MAN'.$id.'">'.$manufacturer->name.'</option>'.PHP_EOL;
					break;

				case 'SUP':
					$supplier = new Supplier((int)$id, (int)$id_lang);
					if (Validate::isLoadedObject($supplier))
						$this->_html .= '<option value="SUP'.$id.'">'.$supplier->name.'</option>'.PHP_EOL;
					break;

				case 'LNK':
					$link = MenuTopLinks::get((int)$id, (int)$id_lang, (int)$id_shop);
					if (count($link))
					{
						if (!isset($link[0]['label']) || ($link[0]['label'] == ''))
						{
							$default_language = Configuration::get('PS_LANG_DEFAULT');
							$link = MenuTopLinks::get($link[0]['id_linksmenutop'], (int)$default_language, (int)Shop::getContextShopID());
						}
						$this->_html .= '<option value="LNK'.$link[0]['id_linksmenutop'].'">'.$link[0]['label'].'</option>';
					}
					break;
			}
		}
	}

	private function makeMenu()
	{
		$this->page_name = Dispatcher::getInstance()->getController();

		$menu_items = $this->getMenuItems();
		$id_lang = (int)$this->context->language->id;
		$id_shop = (int)Shop::getContextShopID();

		foreach ($menu_items as $item)
		{
			if (!$item)
				continue;

			preg_match($this->pattern, $item, $value);
			$id = (int)substr($item, strlen($value[1]), strlen($item));

			switch (substr($item, 0, strlen($value[1])))
			{
				case 'CAT':
					$this->getCategory((int)$id);
					break;

				case 'PRD':
					$selected = ($this->page_name == 'product' && (Tools::getValue('id_product') == $id)) ? ' class="sfHover"' : '';
					$product = new Product((int)$id, true, (int)$id_lang);
					if (!is_null($product->id))
						$this->_menu .= '<li'.$selected.'><a href="'.$product->getLink().'">'.$product->name.'</a></li>'.PHP_EOL;
					break;

				case 'CMS':
					$selected = ($this->page_name == 'cms' && (Tools::getValue('id_cms') == $id)) ? ' class="sfHover"' : '';
					$cms = CMS::getLinks((int)$id_lang, array($id));
					if (count($cms))
						$this->_menu .= '<li'.$selected.'><a href="'.$cms[0]['link'].'">'.$cms[0]['meta_title'].'</a></li>'.PHP_EOL;
					break;

				case 'CMS_CAT':
					$category = new CMSCategory((int)$id, (int)$id_lang);
					if (count($category))
					{
						$this->_menu .= '<li><a href="#">'.$category->name.'</a>';
						$this->getCMSMenuItems($category->id);
						$this->_menu .= '</li>'.PHP_EOL;
					}
					break;

				case 'MAN':
					$selected = ($this->page_name == 'manufacturer' && (Tools::getValue('id_manufacturer') == $id)) ? ' class="sfHover"' : '';
					$manufacturer = new Manufacturer((int)$id, (int)$id_lang);
					if (!is_null($manufacturer->id))
					{
						if (intval(Configuration::get('PS_REWRITING_SETTINGS')))
							$manufacturer->link_rewrite = Tools::link_rewrite($manufacturer->name, false);
						else
							$manufacturer->link_rewrite = 0;
						$link = new Link;
						$this->_menu .= '<li'.$selected.'><a href="'.$link->getManufacturerLink((int)$id, $manufacturer->link_rewrite).'">'.$manufacturer->name.'</a></li>'.PHP_EOL;
					}
					break;

				case 'SUP':
					$selected = ($this->page_name == 'supplier' && (Tools::getValue('id_supplier') == $id)) ? ' class="sfHover"' : '';
					$supplier = new Supplier((int)$id, (int)$id_lang);
					if (!is_null($supplier->id))
					{
						$link = new Link;
						$this->_menu .= '<li'.$selected.'><a href="'.$link->getSupplierLink((int)$id, $supplier->link_rewrite).'">'.$supplier->name.'</a></li>'.PHP_EOL;
					}
					break;

				case 'LNK':
					$link = MenuTopLinks::get((int)$id, (int)$id_lang, (int)$id_shop);
					if (count($link))
					{
						if (!isset($link[0]['label']) || ($link[0]['label'] == ''))
						{
							$default_language = Configuration::get('PS_LANG_DEFAULT');
							$link = MenuTopLinks::get($link[0]['id_linksmenutop'], $default_language, (int)Shop::getContextShopID());
						}
						$this->_menu .= '<li><a href="'.$link[0]['link'].'"'.(($link[0]['new_window']) ? ' target="_blank"': '').'>'.$link[0]['label'].'</a></li>'.PHP_EOL;
					}
					break;
			}
		}
	}

	private function getCategoryOption($id_category = 1, $id_lang = false, $id_shop = false, $recursive = true)
	{
		$id_lang = $id_lang ? (int)$id_lang : (int)Context::getContext()->language->id;
		$category = new Category((int)$id_category, (int)$id_lang, (int)$id_shop);

		if (is_null($category->id))
			return;

		if ($recursive)
		{
			$children = Category::getChildren((int)$id_category, (int)$id_lang, true, (int)$id_shop);
			$spacer = str_repeat('&nbsp;', $this->spacer_size * (int)$category->level_depth);
		}

		$shop = (object) Shop::getShop((int)$category->getShopID());
		$this->_html .= '<option value="CAT'.(int)$category->id.'">'.(isset($spacer) ? $spacer : '').$category->name.' ('.$shop->name.')</option>';

		if (isset($children) && count($children))
			foreach ($children as $child)
			{
				$this->getCategoryOption((int)$child['id_category'], (int)$id_lang, (int)$child['id_shop']);
			}
	}

	private function getCategory($id_category, $id_lang = false, $id_shop = false)
	{
		$id_lang = $id_lang ? (int)$id_lang : (int)Context::getContext()->language->id;
		$category = new Category((int)$id_category, (int)$id_lang);

		if ($category->level_depth > 1)
			$category_link = $category->getLink();
		else
			$category_link = $this->context->link->getPageLink('index');

		if (is_null($category->id))
			return;

		$children = Category::getChildren((int)$id_category, (int)$id_lang, true, (int)$id_shop);
		$selected = ($this->page_name == 'category' && ((int)Tools::getValue('id_category') == $id_category)) ? ' class="sfHoverForce"' : '';

		$is_intersected = array_intersect($category->getGroups(), $this->user_groups);
		// filter the categories that the user is allowed to see and browse
		if (!empty($is_intersected))
		{
			$this->_menu .= '<li '.$selected.'>';
			$this->_menu .= '<a href="'.$category_link.'">'.$category->name.'</a>';

			if (count($children))
			{
				$this->_menu .= '<ul>';

				foreach ($children as $child)
					$this->getCategory((int)$child['id_category'], (int)$id_lang, (int)$child['id_shop']);

				$this->_menu .= '</ul>';
			}
			$this->_menu .= '</li>';
		}
	}

	private function getCMSMenuItems($parent, $depth = 1, $id_lang = false)
	{
		$id_lang = $id_lang ? (int)$id_lang : (int)Context::getContext()->language->id;

		if ($depth > 3)
			return;

		$categories = $this->getCMSCategories(false, (int)$parent, (int)$id_lang);
		$pages = $this->getCMSPages((int)$parent);

		if (count($categories) || count($pages))
		{
			$this->_menu .= '<ul>';

			foreach ($categories as $category)
			{
				$this->_menu .= '<li>';
				$this->_menu .= '<a href="#">'.$category['name'].'</a>';
				$this->getCMSMenuItems($category['id_cms_category'], (int)$depth + 1);
				$this->_menu .= '</li>';
			}

			foreach ($pages as $page)
			{
				$cms = new CMS($page['id_cms'], (int)$id_lang);
				$links = $cms->getLinks((int)$id_lang, array((int)$cms->id));

				$selected = ($this->page_name == 'cms' && ((int)Tools::getValue('id_cms') == $page['id_cms'])) ? ' class="sfHoverForce"' : '';
				$this->_menu .= '<li '.$selected.'>';
				$this->_menu .= '<a href="'.$links[0]['link'].'">'.$cms->meta_title.'</a>';
				$this->_menu .= '</li>';
			}

			$this->_menu .= '</ul>';
		}
	}

	private function getCMSOptions($parent = 0, $depth = 1, $id_lang = false)
	{
		$id_lang = $id_lang ? (int)$id_lang : (int)Context::getContext()->language->id;

		$categories = $this->getCMSCategories(false, (int)$parent, (int)$id_lang);
		$pages = $this->getCMSPages((int)$parent, false, (int)$id_lang);

		$spacer = str_repeat('&nbsp;', $this->spacer_size * (int)$depth);

		foreach ($categories as $category)
		{
			$this->_html .= '<option value="CMS_CAT'.$category['id_cms_category'].'" style="font-weight: bold;">'.$spacer.$category['name'].'</option>';
			$this->getCMSOptions($category['id_cms_category'], (int)$depth + 1, (int)$id_lang);
		}

		foreach ($pages as $page)
			$this->_html .= '<option value="CMS'.$page['id_cms'].'">'.$spacer.$page['meta_title'].'</option>';
	}

	public function hookTop($param)
	{
		$this->user_groups =  ($this->context->customer->isLogged() ? $this->context->customer->getGroups() : array(Configuration::get('PS_UNIDENTIFIED_GROUP')));
		$smarty_cache_id = 'blocktopmenu-'.(int)$this->context->shop->id.'-'.implode(', ',$this->user_groups).'-'.(int)$this->context->language->id.'-'.(int)Tools::getValue('id_category').'-'.(int)Tools::getValue('id_manufacturer').'-'.(int)Tools::getValue('id_supplier').'-'.(int)Tools::getValue('id_cms').'-'.(int)Tools::getValue('id_product');

		Tools::enableCache();
		if (!$this->isCached('blocktopmenu.tpl', $smarty_cache_id))
		{
			$this->makeMenu();
			$this->smarty->assign('MENU_SEARCH', Configuration::get('MOD_BLOCKTOPMENU_SEARCH'));
			$this->smarty->assign('MENU', $this->_menu);
			$this->smarty->assign('this_path', $this->_path);
		}

		$this->context->controller->addJS($this->_path.'js/hoverIntent.js');
		$this->context->controller->addJS($this->_path.'js/superfish-modified.js');
		$this->context->controller->addCSS($this->_path.'css/superfish-modified.css');

		$this->context->smarty->cache_lifetime = 31536000;
		$html = $this->display(__FILE__, 'blocktopmenu.tpl', $smarty_cache_id);
		Tools::restoreCacheSettings();
		return $html;
	}

	private function getCMSCategories($recursive = false, $parent = 1, $id_lang = false)
	{
		$id_lang = $id_lang ? (int)$id_lang : (int)Context::getContext()->language->id;

		if ($recursive === false)
		{
			$sql = 'SELECT bcp.`id_cms_category`, bcp.`id_parent`, bcp.`level_depth`, bcp.`active`, bcp.`position`, cl.`name`, cl.`link_rewrite`
				FROM `'._DB_PREFIX_.'cms_category` bcp
				INNER JOIN `'._DB_PREFIX_.'cms_category_lang` cl
				ON (bcp.`id_cms_category` = cl.`id_cms_category`)
				WHERE cl.`id_lang` = '.(int)$id_lang.'
				AND bcp.`id_parent` = '.(int)$parent;

			return Db::getInstance()->executeS($sql);
		}
		else
		{
			$sql = 'SELECT bcp.`id_cms_category`, bcp.`id_parent`, bcp.`level_depth`, bcp.`active`, bcp.`position`, cl.`name`, cl.`link_rewrite`
				FROM `'._DB_PREFIX_.'cms_category` bcp
				INNER JOIN `'._DB_PREFIX_.'cms_category_lang` cl
				ON (bcp.`id_cms_category` = cl.`id_cms_category`)
				WHERE cl.`id_lang` = '.(int)$id_lang.'
				AND bcp.`id_parent` = '.(int)$parent;

			$results = Db::getInstance()->executeS($sql);
			foreach ($results as $result)
			{
				$sub_categories = $this->getCMSCategories(true, $result['id_cms_category'], (int)$id_lang);
				if ($sub_categories && count($sub_categories) > 0)
					$result['sub_categories'] = $sub_categories;
				$categories[] = $result;
			}

			return isset($categories) ? $categories : false;
		}

	}

	private function getCMSPages($id_cms_category, $id_shop = false, $id_lang = false)
	{
		$id_shop = ($id_shop !== false) ? (int)$id_shop : (int)Context::getContext()->shop->id;
		$id_lang = $id_lang ? (int)$id_lang : (int)Context::getContext()->language->id;

		$sql = 'SELECT c.`id_cms`, cl.`meta_title`, cl.`link_rewrite`
			FROM `'._DB_PREFIX_.'cms` c
			INNER JOIN `'._DB_PREFIX_.'cms_shop` cs
			ON (c.`id_cms` = cs.`id_cms`)
			INNER JOIN `'._DB_PREFIX_.'cms_lang` cl
			ON (c.`id_cms` = cl.`id_cms`)
			WHERE c.`id_cms_category` = '.(int)$id_cms_category.'
			AND cs.`id_shop` = '.(int)$id_shop.'
			AND cl.`id_lang` = '.(int)$id_lang.'
			AND c.`active` = 1
			ORDER BY `position`';

		return Db::getInstance()->executeS($sql);
	}
	

	public function hookCategoryUpdate($params)
	{
		$this->clearMenuCache();
	}
	
	public function hookCategoryDeletion($params)
	{
		$this->clearMenuCache();
	}
	
	public function hookCmsUpdate($params)
	{
		$this->clearMenuCache();
	}
	
	public function hookCmsDeletion($params)
	{
		$this->clearMenuCache();
	}
	
	public function hookSupplierUpdate($params)
	{
		$this->clearMenuCache();
	}
	
	public function hookSupplierDeletion($params)
	{
		$this->clearMenuCache();
	}	

	public function hookManufacturerUpdate($params)
	{
		$this->clearMenuCache();
	}
	
	public function hookManufacturerDeletion($params)
	{
		$this->clearMenuCache();
	}
	
	public function hookProductUpdate($params)
	{
		$this->clearMenuCache();
	}
	
	public function hookProductDeletion($params)
	{
		$this->clearMenuCache();
	}
	
	private function clearMenuCache()
	{
		$this->_clearCache('blocktopmenu.tpl');
	}
}
