<?php
include(dirname(__FILE__).'/../../config/config.inc.php');
include(dirname(__FILE__).'/../../init.php');

$order = array(
	'name',
	'price',
	'date_add',
	'date_upd',
	'position',
	'manufacturer',
	'quantity',
);

$id_category = (int) Tools::getValue('c');
$p = (int) Tools::getValue('p');
$f = Tools::getValue('f');

$result = array(
	'error' => FALSE,
	'products' => array(),
	'endreached' => FALSE,
);

if($id_category && $p && $id_category > 1) {
	if(Module::isInstalled('privatesales')) {
		include(dirname(__FILE__).'/../privatesales/Sale.php');
		$sale = Sale::getSaleFromCategory($id_category);

		if($cookie->isLogged() || !$cookie->isLogged() && $sale->pub == 1) {
			$now = mktime();
			$category = new Category($id_category, $cookie->id_lang);
			$customer = new Customer((int) $cookie->id_customer);

			if( ($sale !== NULL
			&& $sale->enabled
			&& strtotime($sale->date_start) < $now
			&& strtotime($sale->date_end) > $now
			&& count(array_intersect(($cookie->isLogged()? Customer::getGroupsStatic((int) $cookie->id_customer): array(1)), $sale->groups) > 0)
			&& $category->active) || ($customer->isMemberOfGroup(2) == 1) ) {
				$n = (int) Configuration::get('PS_PRODUCTS_PER_PAGE', 10);
				$orderBy = $order[Configuration::get('PS_PRODUCTS_ORDER_BY', 1)];
				$orderWay = (Configuration::get('PS_PRODUCTS_ORDER_WAY', 0) == 0? 'ASC': 'DESC');

				if (!empty($f)){
					$nbProducts = count($category->getProductsByAttributes($cookie->id_lang, $f, false, false));
				}
				else{
					$nbProducts = $category->getProducts(NULL, NULL, NULL, $orderBy, $orderWay, true);
				}

				// if($p >= $nbProducts / $n) {
				if($p >= $nbProducts / $n && !Tools::getValue('init')) {
					$result['endreached'] = TRUE;
				} else {
					if (!empty($f)){
						if (Tools::getValue('init')){
							$cat_products = $category->getProductsByAttributes($cookie->id_lang, $f, $p, $n, $orderBy, $orderWay);
						}
						else{
							$cat_products = $category->getProductsByAttributes($cookie->id_lang, $f, $p+1, $n, $orderBy, $orderWay);
						}
					}
					else{
						if (Tools::getValue('init')){
							$cat_products = $category->getProducts($cookie->id_lang, $p, $n, $orderBy, $orderWay);
						}
						else{
							$cat_products = $category->getProducts($cookie->id_lang, $p + 1, $n, $orderBy, $orderWay);
						}
						// $cat_products = $category->getProducts($cookie->id_lang, $p + 1, $n, $orderBy, $orderWay);
					}

					if(!$cat_products) {
						$smarty->assign('products', array());
					} else {
						$smarty->assign('products', $cat_products);
						$id_products = array();
						foreach($cat_products as $p) {
							$id_products[] = $p['id_product'];
						}
						$attributes = array();
						$id_attributes = array();
						foreach(Db::getInstance()->ExecuteS('
							SELECT pa.`id_product`, pa.`quantity`, ag.`public_name` as `group`, al.`name`, al.`id_attribute`
							FROM `'._DB_PREFIX_.'product_attribute` pa, `'._DB_PREFIX_.'product_attribute_combination` ac, `'._DB_PREFIX_.'attribute` a, `'._DB_PREFIX_.'attribute_lang` al, `'._DB_PREFIX_.'attribute_group_lang` ag
							WHERE pa.`id_product` IN ('.implode(', ', $id_products).')
							AND ac.`id_product_attribute` = pa.`id_product_attribute`
							AND al.`id_attribute` = ac.`id_attribute`
							AND al.`id_lang` = '.(int) $cookie->id_lang.'
							AND a.`id_attribute` = al.`id_attribute`
							AND ag.`id_attribute_group` = a.`id_attribute_group`
							AND ag.`id_lang` = '.(int) $cookie->id_lang.'
							AND pa.`quantity` > 0
							AND ag.`id_attribute_group` IN(75, 9, 272, 172)
							ORDER BY pa.`id_product` ASC, ag.`public_name` ASC, al.`name` ASC
						') as $attr) {
							if(!isset($attributes[$attr['id_product']])) {
								$attributes[$attr['id_product']] = array();
							}
							if(!isset($attributes[$attr['id_product']][$attr['group']])) {
								$attributes[$attr['id_product']][$attr['group']] = array();
							}
							if(!isset($id_attributes[$attr['id_product']])) {
								$id_attributes[$attr['id_product']] = array();
							}

							if(!in_array($attr['id_attribute'], $id_attributes[$attr['id_product']])) {
								$attributes[$attr['id_product']][$attr['group']][] = array(
									'name' => $attr['name'],
									'quantity' => $attr['quantity'],
								);
								$id_attributes[$attr['id_product']][] = $attr['id_attribute'];
							}
						}

						// $images = array();
						// foreach ($id_products as $key => $id_product) {
						// 	$product = new Product($id_product);
						// 	$images_product = $product->getImages((int) $cookie->id_lang);
						// 	$images[(int)$id_product] = $images_product;
						// }
						$images = array();
						foreach(Db::getInstance()->ExecuteS('
							SELECT i.`id_product`, i.`cover`, i.`id_image`, il.`legend`, i.`position`
							FROM `'._DB_PREFIX_.'image` i
							LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (i.`id_image` = il.`id_image` AND il.`id_lang` = '.(int)($cookie->id_lang).')
							WHERE i.`id_product` IN ('.implode(', ', $id_products).')
							ORDER BY `position`
						') as $img) {
							if(!isset($images[$img['id_product']])) {
								$images[$img['id_product']] = array();
							}
							$images[$img['id_product']][] = $img;
						}

						$smarty->assign('images', $images);
						$smarty->assign('categoryProductAttributes', $attributes);

					}
					$smarty->assign('last_qties', (int)Configuration::get('PS_LAST_QTIES'));
					$result['products'] = $smarty->fetch(file_exists(_PS_THEME_DIR_.'modules/categoryscroll/product-list.tpl')? '../../themes/'._THEME_NAME_.'/modules/categoryscroll/product-list.tpl': 'product-list.tpl', __FILE__);
				}
			} else {
				$result['error'] = 'privatesale_inactive';
			}
		} else {
			$result['error'] = 'permission_denied';
		}
	} else {
		$n = (int) Configuration::get('PS_PRODUCTS_PER_PAGE', 10);
		$orderBy = $order[Configuration::get('PS_PRODUCTS_ORDER_BY', 1)];
		$orderWay = (Configuration::get('PS_PRODUCTS_ORDER_WAY', 0) == 0? 'ASC': 'DESC');
		$category = new Category($id_category, $cookie->id_lang);
		if($category->active) {
			$nbProducts = $category->getProducts(NULL, NULL, NULL, $orderBy, $orderWay, true);
			if($p >= $nbProducts / $n) {
				$result['endreached'] = TRUE;
			} else {
				$cat_products = $category->getProducts($cookie->id_lang, $p + 1, $n, $orderBy, $orderWay);
				$smarty->assign('products', $cat_products);

				$id_products = array();
				foreach($cat_products as $p) {
					$id_products[] = $p['id_product'];
				}
				$attributes = array();
				foreach(Db::getInstance()->ExecuteS('
					SELECT pa.`id_product`, pa.`quantity`, ag.`public_name` as `group`, al.`name`
					FROM `'._DB_PREFIX_.'product_attribute` pa, `'._DB_PREFIX_.'product_attribute_combination` ac, `'._DB_PREFIX_.'attribute` a, `'._DB_PREFIX_.'attribute_lang` al, `'._DB_PREFIX_.'attribute_group_lang` ag
					WHERE pa.`id_product` IN ('.implode(', ', $id_products).')
					AND ac.`id_product_attribute` = pa.`id_product_attribute`
					AND al.`id_attribute` = ac.`id_attribute`
					AND al.`id_lang` = '.(int) $cookie->id_lang.'
					AND a.`id_attribute` = al.`id_attribute`
					AND ag.`id_attribute_group` = a.`id_attribute_group`
					AND ag.`id_lang` = '.(int) $cookie->id_lang.'
					AND pa.`quantity` > 0
					ORDER BY pa.`id_product` ASC, ag.`public_name` ASC, al.`name` ASC
				') as $attr) {
					if(!isset($attributes[$attr['id_product']])) {
						$attributes[$attr['id_product']] = array();
					}
					if(!isset($attributes[$attr['id_product']][$attr['group']])) {
						$attributes[$attr['id_product']][$attr['group']] = array();
					}
					$attributes[$attr['id_product']][$attr['group']][] = array(
						'name' => $attr['name'],
						'quantity' => $attr['quantity'],
					);
				}
				$smarty->assign('categoryProductAttributes', $attributes);

				$result['products'] = $smarty->fetch(file_exists(_PS_THEME_DIR_.'modules/categoryscroll/product-list.tpl')? '../../themes/'._THEME_NAME_.'/modules/categoryscroll/product-list.tpl': 'product-list.tpl', __FILE__);
			}
		} else {
			$result['error'] = 'inactive_category';
		}
	}
} else {
	$result['error'] = 'invalid_request';
}
echo json_encode(array($result));