<?php
/*
* 2007-2011 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 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/osl-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  2007-2011 PrestaShop SA
*  @version  Release: $Revision: 8971 $
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class AdminCartsControllerCore extends AdminController
{
	public function __construct()
	{
	 	$this->table = 'cart';
		$this->className = 'Cart';
		$this->lang = false;
		$this->requiredDatabase = true;

		$this->addRowAction('view');
		$this->addRowAction('delete');

		$this->_select = 'CONCAT(LEFT(c.`firstname`, 1), \'. \', c.`lastname`) `customer`, a.id_cart total, ca.name carrier, o.id_order, IF(co.id_guest, 1, 0) id_guest';
		$this->_join = 'LEFT JOIN '._DB_PREFIX_.'customer c ON (c.id_customer = a.id_customer)
		LEFT JOIN '._DB_PREFIX_.'currency cu ON (cu.id_currency = a.id_currency)
		LEFT JOIN '._DB_PREFIX_.'carrier ca ON (ca.id_carrier = a.id_carrier)
		LEFT JOIN '._DB_PREFIX_.'orders o ON (o.id_cart = a.id_cart)
		LEFT JOIN `'._DB_PREFIX_.'connections` co ON (a.id_guest = co.id_guest AND TIME_TO_SEC(TIMEDIFF(NOW(), co.`date_add`)) < 1800)';

 		$this->fieldsDisplay = array(
			'id_cart' => array(
				'title' => $this->l('ID'),
				'align' => 'center',
				'width' => 25
			),
			'id_order' => array(
				'title' => $this->l('ID Order'),
				'align' => 'center', 'width' => 25
			),
			'customer' => array(
				'title' => $this->l('Customer'),
				'width' => 'auto',
				'filter_key' => 'c!lastname'
			),
			'total' => array(
				'title' => $this->l('Total'),
				'callback' => 'getOrderTotalUsingTaxCalculationMethod',
				'orderby' => false,
				'search' => false,
				'width' => 80,
				'align' => 'right',
				'prefix' => '<b>',
				'suffix' => '</b>',
				'currency' => true
			),
			'carrier' => array(
				'title' => $this->l('Carrier'),
				'width' => 50,
				'align' => 'center',
				'callback' => 'replaceZeroByShopName',
				'filter_key' => 'ca!name'
			),
			'date_add' => array(
				'title' => $this->l('Date'),
				'width' => 120,
				'align' => 'right',
				'type' => 'datetime',
				'filter_key' => 'a!date_add'
			),
			'id_guest' => array(
				'title' => $this->l('Online'),
				'width' => 25,
				'align' => 'center',
				'type' => 'bool',
				'filter_key' => 'id_guest',
				'havingFilter' => true,
				'icon' => array(0 => 'blank.gif', 1 => 'tab-customers.gif')
			)
		);
 		$this->shopLinkType = 'shop';

		parent::__construct();
	}

	public function renderView()
	{
		if (!($cart = $this->loadObject(true)))
			return;

		$customer = new Customer($cart->id_customer);
		$this->context->cart = $cart;
		$this->context->customer = $customer;
		$products = $cart->getProducts();
		$customized_datas = Product::getAllCustomizedDatas((int)$cart->id);
		Product::addCustomizationPrice($products, $customized_datas);
		$summary = $cart->getSummaryDetails();
		$currency = new Currency($cart->id_currency);

		/* Display order information */
		$id_order = (int)Order::getOrderByCartId($cart->id);
		$order = new Order($id_order);

		if ($order->getTaxCalculationMethod() == PS_TAX_EXC)
		{
			$total_products = $summary['total_products'];
			$total_discounts = $summary['total_discounts_tax_exc'];
			$total_wrapping = $summary['total_wrapping_tax_exc'];
			$total_price = $summary['total_price_without_tax'];
			$total_shipping = $summary['total_shipping_tax_exc'];
		}
		else
		{
			$total_products = $summary['total_products_wt'];
			$total_discounts = $summary['total_discounts'];
			$total_wrapping = $summary['total_wrapping'];
			$total_price = $summary['total_price'];
			$total_shipping = $summary['total_shipping'];
		}
		foreach ($products as $k => &$product)
		{
			if ($order->getTaxCalculationMethod() == PS_TAX_EXC)
			{
				$product['product_price'] = $product['price'];
				$product['product_total'] = $product['total'];
			}
			else
			{
				$product['product_price'] = $product['price_wt'];
				$product['product_total'] = $product['total_wt'];
			}
			$image = array();
			if (isset($product['id_product_attribute']) && (int)$product['id_product_attribute'])
				$image = Db::getInstance()->getRow('SELECT id_image
																FROM '._DB_PREFIX_.'product_attribute_image
																WHERE id_product_attribute = '.(int)$product['id_product_attribute']);
		 	if (!isset($image['id_image']))
				$image = Db::getInstance()->getRow('SELECT id_image
																FROM '._DB_PREFIX_.'image
																WHERE id_product = '.(int)$product['id_product'].' AND cover = 1');

			$product_obj = new Product($product['id_product']);
			$product['qty_in_stock'] = StockAvailable::getQuantityAvailableByProduct($product['id_product'], isset($product['id_product_attribute']) ? $product['id_product_attribute'] : null, (int)$order->id_shop);

			$image_product = new Image($image['id_image']);
			$product['image'] = (isset($image['id_image']) ? cacheImage(_PS_IMG_DIR_.'p/'.$image_product->getExistingImgPath().'.jpg', 'product_mini_'.(int)$product['id_product'].(isset($product['id_product_attribute']) ? '_'.(int)$product['id_product_attribute'] : '').'.jpg', 45, 'jpg') : '--');
		}

		$this->tpl_view_vars = array(
			'products' => $products,
			'discounts' => $cart->getCartRules(),
			'order' => $order,
			'cart' => $cart,
			'currency' => $currency,
			'customer' => $customer,
			'customer_stats' => $customer->getStats(),
			'total_products' => $total_products,
			'total_discounts' => $total_discounts,
			'total_wrapping' => $total_wrapping,
			'total_price' => $total_price,
			'total_shipping' => $total_shipping,
			'customized_datas' => $customized_datas
		);

		return parent::renderView();
	}

	public function ajaxPreProcess()
	{
		if ($this->tabAccess['edit'] === '1')
		{
			$id_customer = (int)Tools::getValue('id_customer');
			$customer = new Customer((int)$id_customer);
			$this->context->customer = $customer;
			$id_cart = (int)Tools::getValue('id_cart');
			if (!$id_cart)
				$id_cart = $customer->getLastCart();
			$this->context->cart = new Cart((int)$id_cart);
			if (!$this->context->cart->id_customer)
				$this->context->cart->id_customer = $id_customer;
			if ($this->context->cart->OrderExists())
				return;
			if (!$this->context->cart->id_shop)
				$this->context->cart->id_shop = (int)$this->context->shop->id;
			if (!$this->context->cart->id_lang)
				$this->context->cart->id_lang = (($id_lang = (int)Tools::getValue('id_lang')) ? $id_lang : Configuration::get('PS_LANG_DEFAULT'));
			if (!$this->context->cart->id_currency)
				$this->context->cart->id_currency = (($id_currency = (int)Tools::getValue('id_currency')) ? $id_currency : Configuration::get('PS_CURRENCY_DEFAULT'));

			$addresses = $customer->getAddresses((int)$this->context->cart->id_lang);
			$id_address_delivery = (int)Tools::getValue('id_address_delivery');
			$id_address_invoice = (int)Tools::getValue('id_address_delivery');

			if (!$this->context->cart->id_address_invoice && isset($addresses[0]))
				$this->context->cart->id_address_invoice = (int)$addresses[0]['id_address'];
			elseif ($id_address_invoice)
				$this->context->cart->id_address_invoice = (int)$id_address_invoice;
			if (!$this->context->cart->id_address_delivery && isset($addresses[0]))
				$this->context->cart->id_address_delivery = $addresses[0]['id_address'];
			elseif ($id_address_delivery)
				$this->context->cart->id_address_delivery = (int)$id_address_delivery;
			$this->context->cart->save();
			$currency = new Currency((int)$this->context->cart->id_currency);
			$this->context->currency = $currency;
		}
	}

	public function ajaxProcessDeleteProduct()
	{
		if ($this->tabAccess['edit'] === '1')
		{
			$errors = array();
			if (!($id_product = (int)Tools::getValue('id_product')) || !($id_product_attribute = (int)Tools::getValue('id_product_attribute')))
				$errors[] = Tools::displayError('Invalid product');
			if (count($errors))
				die(Tools::jsonEncode($errors));

			if ($this->context->cart->deleteProduct($id_product, $id_product_attribute))
				echo Tools::jsonEncode($this->ajaxReturnVars());
		}
	}

	public function ajaxProcessUpdateQty()
	{
		if ($this->tabAccess['edit'] === '1')
		{
			$errors = array();
			if (!$this->context->cart->id)
				return;
			if ($this->context->cart->OrderExists())
				$errors[] = Tools::displayError('An order already placed with this cart');
			elseif (!($id_product = (int)Tools::getValue('id_product')) OR !($product = new Product((int)$id_product, true, $this->context->language->id)))
				$errors[] = Tools::displayError('Invalid product');
			elseif (!($qty = Tools::getValue('qty')) || $qty == 0)
				$errors[] = Tools::displayError('Invalid quantity');
			if (($id_product_attribute = Tools::getValue('id_product_attribute')) != 0)
			{
				if (!Product::isAvailableWhenOutOfStock($product->out_of_stock) && !Attribute::checkAttributeQty((int)$id_product_attribute, (int)$qty))
					$errors[] = Tools::displayError('There is not enough product in stock');
			}
			else
				if (!$product->checkQty((int)$qty))
					$errors[] = Tools::displayError('There is not enough product in stock');
			if (!($id_customization = (int)Tools::getValue('id_customization', 0)) && !$product->hasAllRequiredCustomizableFields())
				$errors[] = Tools::displayError('Please fill in all required fields');
			$this->context->cart->save();

			if (!count($errors))
			{
				if ((int)$qty < 0)
				{
					$qty = str_replace('-', '', $qty);
					$operator = 'down';
				}
				else
					$operator = 'up';

				if (!($qty_upd = $this->context->cart->updateQty($qty, $id_product, (int)$id_product_attribute, (int)$id_customization, 0, $operator)))
					$errors[] = Tools::displayError('You already have the maximum quantity available for this product.');
			}

			echo Tools::jsonEncode(array_merge($this->ajaxReturnVars(), array('errors' => $errors)));
		}
	}

	public function ajaxProcessUpdateCarrier()
	{
		if ($this->tabAccess['edit'] === '1')
		{
			if (Validate::isBool(($recyclable = (int)Tools::getValue('recyclable'))))
				$this->context->cart->recyclable = $recyclable;
			if (Validate::isBool(($gift = (int)Tools::getValue('gift'))))
				$this->context->cart->gift = $gift;
			if (Validate::isMessage(($gift_message = pSQL(Tools::getValue('gift_message')))))
				$this->context->cart->gift_message = $gift_message;
			$this->context->cart->save();
			echo Tools::jsonEncode($this->ajaxReturnVars());
		}
	}

	public function ajaxProcessUpdateCurrency()
	{
		if ($this->tabAccess['edit'] === '1')
		{
			$currency = new Currency((int)Tools::getValue('id_currency'));
			if (Validate::isLoadedObject($currency) && !$currency->deleted && $currency->active)
			{
				$this->context->cart->id_currency = (int)$currency->id;
				$this->context->cart->save();
			}
			echo Tools::jsonEncode($this->ajaxReturnVars());
		}
	}
	public function ajaxProcessUpdateLang()
	{
		if ($this->tabAccess['edit'] === '1')
		{
			$lang = new Language((int)Tools::getValue('id_lang'));
			if (Validate::isLoadedObject($lang) && $lang->active)
			{
				$this->context->cart->id_lang = (int)$lang->id;
				$this->context->cart->save();
			}
			echo Tools::jsonEncode($this->ajaxReturnVars());
		}
	}
	public function ajaxProcessDuplicateOrder()
	{
		if ($this->tabAccess['edit'] === '1')
		{
			$errors = array();
			if (!$id_order = Tools::getValue('id_order'))
				$errors[] = Tools::displayError('Invalid order');
			$cart = Cart::getCartByOrderId($id_order);
			$new_cart = $cart->duplicate();
			if (!$new_cart || !Validate::isLoadedObject($new_cart['cart']))
				$errors[] = Tools::displayError('The order cannot be renewed');
			else if (!$new_cart['success'])
				$errors[] = Tools::displayError('The order cannot be renewed');
			else
			{
				$this->context->cart = $new_cart['cart'];
				echo Tools::jsonEncode($this->ajaxReturnVars());
			}
		}
	}

	public function ajaxProcessDeleteVoucher()
	{
		if ($this->tabAccess['edit'] === '1')
		{
			if ($this->context->cart->removeCartRule((int)Tools::getValue('id_cart_rule')))
				echo Tools::jsonEncode($this->ajaxReturnVars());
		}
	}

	public function ajaxProcessAddVoucher()
	{
		if ($this->tabAccess['edit'] === '1')
		{
			$errors = array();
			$customer = new Customer((int)$this->context->cart->id_customer);

			if (!$id_cart_rule = Tools::getValue('id_cart_rule') OR !$cart_rule = new CartRule((int)$id_cart_rule))
				$errors[] = Tools::displayError('Invalid voucher');
			else if ($err = $cart_rule->checkValidity($this->context))
				$errors[] = $err;
			if (!count($errors))
				if (!$this->context->cart->addCartRule((int)$cart_rule->id))
					$errors[] = Tools::displayError('Can\'t add the voucher');
			echo Tools::jsonEncode(array_merge($this->ajaxReturnVars(), array('errors' => $errors)));
		}
	}

	public function ajaxProcessUpdateAddresses()
	{
		if ($this->tabAccess['edit'] === '1')
		{
			if (($id_address_delivery = (int)Tools::getValue('id_address_delivery')) &&
				$address_delivery = new Address((int)$id_address_delivery) &&
				$address_delivery->id_customer = $this->context->cart->id_customer)
				$this->context->cart->id_address_delivery = (int)$address_delivery->id;

			if (($id_address_invoice = (int)Tools::getValue('id_address_invoice')) &&
				$address_invoice = new Address((int)$id_address_invoice) &&
				$address_invoice->id_customer = $this->context->cart->id_customer)
				$this->context->cart->id_address_invoice = (int)$address_invoice->id;
			$this->context->cart->save();

			echo Tools::jsonEncode($this->ajaxReturnVars());
		}
	}

	protected function getCartSummary()
	{
		$summary = $this->context->cart->getSummaryDetails();
		$currency = new Currency((int)$this->context->cart->id_currency);
		if (count($summary['products']))
			foreach ($summary['products'] as &$product)
			{
				$product['price'] = str_replace($currency->sign, '', Tools::displayPrice(Tools::convertPrice($product['price'], $currency), $currency));
				$product['total'] = str_replace($currency->sign, '', Tools::displayPrice(Tools::convertPrice($product['total'], $currency), $currency));
				$product['image_link'] = $this->context->link->getImageLink($product['link_rewrite'], $product['id_image'], 'small');
				if (!isset($product['attributes_small']))
					$product['attributes_small'] = '';
			}
		if (count($summary['discounts']))
			foreach ($summary['discounts'] as &$voucher)
				$voucher['value_real'] = Tools::displayPrice($voucher['value_real'], $currency);
		$summary['total_products'] = str_replace(
			$currency->sign, '',
			Tools::displayPrice(Tools::convertPrice($summary['total_products'], $currency), $currency)
		);
		$summary['total_discounts_tax_exc'] = str_replace(
			$currency->sign, '',
			Tools::displayPrice(Tools::convertPrice($summary['total_discounts_tax_exc'], $currency), $currency)
		);
		$summary['total_shipping_tax_exc'] = str_replace(
			$currency->sign, '',
			Tools::displayPrice(Tools::convertPrice($summary['total_shipping_tax_exc'], $currency), $currency)
		);
		$summary['total_tax'] = str_replace(
			$currency->sign, '',
			Tools::displayPrice(Tools::convertPrice($summary['total_tax'], $currency), $currency)
		);
		$summary['total_price_without_tax'] = str_replace(
			$currency->sign, '',
			Tools::displayPrice(Tools::convertPrice($summary['total_price_without_tax'], $currency), $currency)
		);
		$summary['total_price'] = str_replace(
			$currency->sign, '',
			Tools::displayPrice(Tools::convertPrice($summary['total_price'], $currency), $currency)
		);

		return $summary;
	}

	protected function getAvailableCarriers()
	{
		$customer = new Customer((int)$this->context->cart->id_customer);
		return Carrier::getCarriersForOrder(Address::getZoneById($this->context->cart->id_address_delivery), $customer->getGroups());
	}

	public function displayAjaxSearchCarts()
	{
		$id_customer = (int)Tools::getValue('id_customer');
		$carts = Cart::getCustomerCarts((int)$id_customer);
		$orders = Order::getCustomerOrders((int)$id_customer);
		$customer = new Customer((int)$id_customer);

		if (count($carts))
			foreach ($carts as $key => &$cart)
			{
				$cart_obj = new Cart((int)$cart['id_cart']);
				if (!Validate::isLoadedObject($cart_obj) || $cart_obj->OrderExists())
					unset($carts[$key]);
				$currency = new Currency((int)$cart['id_currency']);
				$cart['total_price'] = Tools::displayPrice(Tools::convertPrice($cart_obj->getOrderTotal(), $currency), $currency);
			}
		if (count($orders))
			foreach ($orders as &$order)
				$order['total_paid_real'] = Tools::displayPrice(Tools::convertPrice($order['total_paid_real'], $currency), $currency);
		if ($orders || $carts)
			$to_return = array_merge($this->ajaxReturnVars(),
											array('carts' => $carts,
													 'orders' => $orders,
													 'found' => true));
		else
			$to_return = array_merge($this->ajaxReturnVars(), array('found' => false));

		echo Tools::jsonEncode($to_return);
	}

	public function ajaxReturnVars()
	{
		$id_cart = (int)$this->context->cart->id;
		return array('summary' => $this->getCartSummary(),
						'carriers' => $this->getAvailableCarriers(),
						'cart' => $this->context->cart,
						'carriers' => $this->getAvailableCarriers(),
						'addresses' => $this->context->customer->getAddresses((int)$this->context->cart->id_lang),
						'id_cart' => $id_cart,
						'link_order' => $this->context->link->getPageLink(
							'order', false,
							(int)$this->context->cart->id_lang,
							'step=3&recover_cart='.$id_cart.'&token_cart='.md5(_COOKIE_KEY_.'recover_cart_'.$id_cart))
						);
	}

	public function displayAjaxGetSummary()
	{
		echo Tools::jsonEncode($this->ajaxReturnVars());
	}

	public function ajaxProcessUpdateProductPrice()
	{

	}

	public static function getOrderTotalUsingTaxCalculationMethod($id_cart)
	{
		$context = Context::getContext();
		$context->cart = new Cart($id_cart);
		$context->customer = new Customer($context->cart->id_customer);
		return Cart::getTotalCart($id_cart, true);
	}

	public static function replaceZeroByShopName($echo, $tr)
	{
		return ($echo == '0' ? Configuration::get('PS_SHOP_NAME') : $echo);
	}
}