<?php
/*
* 2007-2015 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  2007-2015 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

abstract class PaymentModuleCore extends Module
{
	/** @var integer Current order's id */
	public	$currentOrder;
	public	$currencies = true;
	public	$currencies_mode = 'checkbox';

	const DEBUG_MODE = false;

	public function install()
	{
		if (!parent::install())
			return false;

		// Insert currencies availability
		if ($this->currencies_mode == 'checkbox')
		{
			if (!$this->addCheckboxCurrencyRestrictionsForModule())
				return false;
		}
		elseif ($this->currencies_mode == 'radio')
		{
			if (!$this->addRadioCurrencyRestrictionsForModule())
				return false;
		}
		else
			Tools::displayError('No currency mode for payment module');

		// Insert countries availability
		$return = $this->addCheckboxCountryRestrictionsForModule();

		if (!Configuration::get('CONF_'.strtoupper($this->name).'_FIXED'))
			Configuration::updateValue('CONF_'.strtoupper($this->name).'_FIXED', '0.2');
		if (!Configuration::get('CONF_'.strtoupper($this->name).'_VAR'))
			Configuration::updateValue('CONF_'.strtoupper($this->name).'_VAR', '2');
		if (!Configuration::get('CONF_'.strtoupper($this->name).'_FIXED_FOREIGN'))
			Configuration::updateValue('CONF_'.strtoupper($this->name).'_FIXED_FOREIGN', '0.2');
		if (!Configuration::get('CONF_'.strtoupper($this->name).'_VAR_FOREIGN'))
			Configuration::updateValue('CONF_'.strtoupper($this->name).'_VAR_FOREIGN', '2');

		return $return;
	}

	public function uninstall()
	{
		if (!Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'module_country` WHERE id_module = '.(int)$this->id)
			|| !Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'module_currency` WHERE id_module = '.(int)$this->id)
			|| !Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'module_group` WHERE id_module = '.(int)$this->id))
			return false;
		return parent::uninstall();
	}


	/**
	 * Add checkbox currency restrictions for a new module
	 * @param array $shops
	 *
	 * @return bool
	 */
	public function addCheckboxCurrencyRestrictionsForModule(array $shops = array())
	{
		if (!$shops)
			$shops = Shop::getShops(true, null, true);

		foreach ($shops as $s)
		{
			if (!Db::getInstance()->execute('
					INSERT INTO `'._DB_PREFIX_.'module_currency` (`id_module`, `id_shop`, `id_currency`)
					SELECT '.(int)$this->id.', "'.(int)$s.'", `id_currency` FROM `'._DB_PREFIX_.'currency` WHERE deleted = 0'))
				return false;
		}
		return true;
	}

	/**
	 * Add radio currency restrictions for a new module
	 * @param array $shops
	 *
	 * @return bool
	 */
	public function addRadioCurrencyRestrictionsForModule(array $shops = array())
	{
		if (!$shops)
			$shops = Shop::getShops(true, null, true);

		foreach ($shops as $s)
			if (!Db::getInstance()->execute('INSERT INTO `'._DB_PREFIX_.'module_currency` (`id_module`, `id_shop`, `id_currency`)
				VALUES ('.(int)$this->id.', "'.(int)$s.'", -2)'))
				return false;
		return true;
	}

	/**
	 * Add checkbox country restrictions for a new module
	 * @param array $shops
	 *
	 * @return bool
	 */
	public function addCheckboxCountryRestrictionsForModule(array $shops = array())
	{
		$countries = Country::getCountries((int)Context::getContext()->language->id, true); //get only active country
		$country_ids = array();
		foreach ($countries as $country)
			$country_ids[] = $country['id_country'];
		return Country::addModuleRestrictions($shops, $countries, array(array('id_module' => (int)$this->id)));
	}

	/**
	 * Validate an order in database
	 * Function called from a payment module
	 *
	 * @param integer $id_cart
	 * @param integer $id_order_state
	 * @param float   $amount_paid    Amount really paid by customer (in the default currency)
	 * @param string  $payment_method Payment method (eg. 'Credit card')
	 * @param null    $message        Message to attach to order
	 * @param array   $extra_vars
	 * @param null    $currency_special
	 * @param bool    $dont_touch_amount
	 * @param bool    $secure_key
	 * @param Shop    $shop
	 *
	 * @return bool
	 * @throws PrestaShopException
	 */
	public function validateOrder($id_cart, $id_order_state, $amount_paid, $payment_method = 'Unknown',
		$message = null, $extra_vars = array(), $currency_special = null, $dont_touch_amount = false,
		$secure_key = false, Shop $shop = null)
	{
		if (self::DEBUG_MODE)
			PrestaShopLogger::addLog('PaymentModule::validateOrder - Function called', 1, null, 'Cart', (int)$id_cart, true);

		if (!isset($this->context))
			$this->context = Context::getContext();
		$this->context->cart = new Cart($id_cart);
		$this->context->customer = new Customer($this->context->cart->id_customer);
		// The tax cart is loaded before the customer so re-cache the tax calculation method
		$this->context->cart->setTaxCalculationMethod();

		$this->context->language = new Language($this->context->cart->id_lang);
		$this->context->shop = ($shop ? $shop : new Shop($this->context->cart->id_shop));
		ShopUrl::resetMainDomainCache();
		$id_currency = $currency_special ? (int)$currency_special : (int)$this->context->cart->id_currency;
		$this->context->currency = new Currency($id_currency, null, $this->context->shop->id);
		if (Configuration::get('PS_TAX_ADDRESS_TYPE') == 'id_address_delivery')
			$context_country = $this->context->country;

		$order_status = new OrderState((int)$id_order_state, (int)$this->context->language->id);
		if (!Validate::isLoadedObject($order_status))
		{
			PrestaShopLogger::addLog('PaymentModule::validateOrder - Order Status cannot be loaded', 3, null, 'Cart', (int)$id_cart, true);
			throw new PrestaShopException('Can\'t load Order status');
		}

		if (!$this->active)
		{
			PrestaShopLogger::addLog('PaymentModule::validateOrder - Module is not active', 3, null, 'Cart', (int)$id_cart, true);
			die(Tools::displayError());
		}

		// Does order already exists ?
		if (Validate::isLoadedObject($this->context->cart) && $this->context->cart->OrderExists() == false)
		{
			if ($secure_key !== false && $secure_key != $this->context->cart->secure_key)
			{
				PrestaShopLogger::addLog('PaymentModule::validateOrder - Secure key does not match', 3, null, 'Cart', (int)$id_cart, true);
				die(Tools::displayError());
			}

			// For each package, generate an order
			$delivery_option_list = $this->context->cart->getDeliveryOptionList();
			$package_list = $this->context->cart->getPackageList();
			$cart_delivery_option = $this->context->cart->getDeliveryOption();

			// If some delivery options are not defined, or not valid, use the first valid option
			foreach ($delivery_option_list as $id_address => $package)
				if (!isset($cart_delivery_option[$id_address]) || !array_key_exists($cart_delivery_option[$id_address], $package))
					foreach ($package as $key => $val)
					{
						$cart_delivery_option[$id_address] = $key;
						break;
					}

			$order_list = array();
			$order_detail_list = array();

			do
			$reference = Order::generateReference();
			while (Order::getByReference($reference)->count());

			$this->currentOrderReference = $reference;

			$order_creation_failed = false;
			$cart_total_paid = (float)Tools::ps_round((float)$this->context->cart->getOrderTotal(true, Cart::BOTH), 2);

			foreach ($cart_delivery_option as $id_address => $key_carriers)
				foreach ($delivery_option_list[$id_address][$key_carriers]['carrier_list'] as $id_carrier => $data)
					foreach ($data['package_list'] as $id_package)
					{
						// Rewrite the id_warehouse
						$package_list[$id_address][$id_package]['id_warehouse'] = (int)$this->context->cart->getPackageIdWarehouse($package_list[$id_address][$id_package], (int)$id_carrier);
						$package_list[$id_address][$id_package]['id_carrier'] = $id_carrier;
					}
			// Make sure CartRule caches are empty
			CartRule::cleanCache();
			$cart_rules = $this->context->cart->getCartRules();
			foreach ($cart_rules as $cart_rule)
			{
				if (($rule = new CartRule((int)$cart_rule['obj']->id)) && Validate::isLoadedObject($rule))
				{
					if ($error = $rule->checkValidity($this->context, true, true))
					{
						$this->context->cart->removeCartRule((int)$rule->id);
						if (isset($this->context->cookie) && isset($this->context->cookie->id_customer) && $this->context->cookie->id_customer && !empty($rule->code))
						{
							if (Configuration::get('PS_ORDER_PROCESS_TYPE') == 1)
								Tools::redirect('index.php?controller=order-opc&submitAddDiscount=1&discount_name='.urlencode($rule->code));
							Tools::redirect('index.php?controller=order&submitAddDiscount=1&discount_name='.urlencode($rule->code));
						}
						else
						{
							$rule_name = isset($rule->name[(int)$this->context->cart->id_lang]) ? $rule->name[(int)$this->context->cart->id_lang] : $rule->code;
							$error = Tools::displayError(sprintf('CartRule ID %1s (%2s) used in this cart is not valid and has been withdrawn from cart', (int)$rule->id, $rule_name));
							PrestaShopLogger::addLog($error, 3, '0000002', 'Cart', (int)$this->context->cart->id);
						}
					}
				}
			}

			foreach ($package_list as $id_address => $packageByAddress)
				foreach ($packageByAddress as $id_package => $package)
				{
					$order = new Order();
					$order->product_list = $package['product_list'];

					if (Configuration::get('PS_TAX_ADDRESS_TYPE') == 'id_address_delivery')
					{
						$address = new Address($id_address);
						$this->context->country = new Country($address->id_country, $this->context->cart->id_lang);
						if (!$this->context->country->active)
							throw new PrestaShopException('The delivery address country is not active.');
					}

					$carrier = null;
					if (!$this->context->cart->isVirtualCart() && isset($package['id_carrier']))
					{
						$carrier = new Carrier($package['id_carrier'], $this->context->cart->id_lang);
						$order->id_carrier = (int)$carrier->id;
						$id_carrier = (int)$carrier->id;
					}
					else
					{
						$order->id_carrier = 0;
						$id_carrier = 0;
					}

					$order->id_customer = (int)$this->context->cart->id_customer;
					$order->id_address_invoice = (int)$this->context->cart->id_address_invoice;
					$order->id_address_delivery = (int)$id_address;
					$order->id_currency = $this->context->currency->id;
					$order->id_lang = (int)$this->context->cart->id_lang;
					$order->id_cart = (int)$this->context->cart->id;
					$order->reference = $reference;
					$order->id_shop = (int)$this->context->shop->id;
					$order->id_shop_group = (int)$this->context->shop->id_shop_group;

					$order->secure_key = ($secure_key ? pSQL($secure_key) : pSQL($this->context->customer->secure_key));
					$order->payment = $payment_method;
					if (isset($this->name))
						$order->module = $this->name;
					$order->recyclable = $this->context->cart->recyclable;
					$order->gift = (int)$this->context->cart->gift;
					$order->gift_message = $this->context->cart->gift_message;
					$order->mobile_theme = $this->context->cart->mobile_theme;
					$order->conversion_rate = $this->context->currency->conversion_rate;
					$amount_paid = !$dont_touch_amount ? Tools::ps_round((float)$amount_paid, 2) : $amount_paid;
					$order->total_paid_real = 0;

					$order->total_products = (float)$this->context->cart->getOrderTotal(false, Cart::ONLY_PRODUCTS, $order->product_list, $id_carrier);
					$order->total_products_wt = (float)$this->context->cart->getOrderTotal(true, Cart::ONLY_PRODUCTS, $order->product_list, $id_carrier);

					$order->total_discounts_tax_excl = (float)abs($this->context->cart->getOrderTotal(false, Cart::ONLY_DISCOUNTS, $order->product_list, $id_carrier));
					$order->total_discounts_tax_incl = (float)abs($this->context->cart->getOrderTotal(true, Cart::ONLY_DISCOUNTS, $order->product_list, $id_carrier));
					$order->total_discounts = $order->total_discounts_tax_incl;

					$order->total_shipping_tax_excl = (float)$this->context->cart->getPackageShippingCost((int)$id_carrier, false, null, $order->product_list);
					$order->total_shipping_tax_incl = (float)$this->context->cart->getPackageShippingCost((int)$id_carrier, true, null, $order->product_list);
					$order->total_shipping = $order->total_shipping_tax_incl;

					if (!is_null($carrier) && Validate::isLoadedObject($carrier))
						$order->carrier_tax_rate = $carrier->getTaxesRate(new Address($this->context->cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')}));

					$order->total_wrapping_tax_excl = (float)abs($this->context->cart->getOrderTotal(false, Cart::ONLY_WRAPPING, $order->product_list, $id_carrier));
					$order->total_wrapping_tax_incl = (float)abs($this->context->cart->getOrderTotal(true, Cart::ONLY_WRAPPING, $order->product_list, $id_carrier));
					$order->total_wrapping = $order->total_wrapping_tax_incl;

					$order->total_paid_tax_excl = (float)Tools::ps_round((float)$this->context->cart->getOrderTotal(false, Cart::BOTH, $order->product_list, $id_carrier), _PS_PRICE_COMPUTE_PRECISION_);
					$order->total_paid_tax_incl = (float)Tools::ps_round((float)$this->context->cart->getOrderTotal(true, Cart::BOTH, $order->product_list, $id_carrier), _PS_PRICE_COMPUTE_PRECISION_);
					$order->total_paid = $order->total_paid_tax_incl;
					$order->round_mode = Configuration::get('PS_PRICE_ROUND_MODE');

					$order->invoice_date = '0000-00-00 00:00:00';
					$order->delivery_date = '0000-00-00 00:00:00';

					if (self::DEBUG_MODE)
						PrestaShopLogger::addLog('PaymentModule::validateOrder - Order is about to be added', 1, null, 'Cart', (int)$id_cart, true);

					// Creating order
					$result = $order->add();

					if (!$result)
					{
						PrestaShopLogger::addLog('PaymentModule::validateOrder - Order cannot be created', 3, null, 'Cart', (int)$id_cart, true);
						throw new PrestaShopException('Can\'t save Order');
					}

					// Amount paid by customer is not the right one -> Status = payment error
					// We don't use the following condition to avoid the float precision issues : http://www.php.net/manual/en/language.types.float.php
					// if ($order->total_paid != $order->total_paid_real)
					// We use number_format in order to compare two string
					if ($order_status->logable && number_format($cart_total_paid, _PS_PRICE_COMPUTE_PRECISION_) != number_format($amount_paid, _PS_PRICE_COMPUTE_PRECISION_))
						$id_order_state = Configuration::get('PS_OS_ERROR');

					$order_list[] = $order;

					if (self::DEBUG_MODE)
						PrestaShopLogger::addLog('PaymentModule::validateOrder - OrderDetail is about to be added', 1, null, 'Cart', (int)$id_cart, true);

					// Insert new Order detail list using cart for the current order
					$order_detail = new OrderDetail(null, null, $this->context);
					$order_detail->createList($order, $this->context->cart, $id_order_state, $order->product_list, 0, true, $package_list[$id_address][$id_package]['id_warehouse']);
					$order_detail_list[] = $order_detail;

					if (self::DEBUG_MODE)
						PrestaShopLogger::addLog('PaymentModule::validateOrder - OrderCarrier is about to be added', 1, null, 'Cart', (int)$id_cart, true);

					// Adding an entry in order_carrier table
					if (!is_null($carrier))
					{
						$order_carrier = new OrderCarrier();
						$order_carrier->id_order = (int)$order->id;
						$order_carrier->id_carrier = (int)$id_carrier;
						$order_carrier->weight = (float)$order->getTotalWeight();
						$order_carrier->shipping_cost_tax_excl = (float)$order->total_shipping_tax_excl;
						$order_carrier->shipping_cost_tax_incl = (float)$order->total_shipping_tax_incl;
						$order_carrier->add();
					}
				}

			// The country can only change if the address used for the calculation is the delivery address, and if multi-shipping is activated
			if (Configuration::get('PS_TAX_ADDRESS_TYPE') == 'id_address_delivery')
				$this->context->country = $context_country;

			if (!$this->context->country->active)
			{
				PrestaShopLogger::addLog('PaymentModule::validateOrder - Country is not active', 3, null, 'Cart', (int)$id_cart, true);
				throw new PrestaShopException('The order address country is not active.');
			}

			if (self::DEBUG_MODE)
				PrestaShopLogger::addLog('PaymentModule::validateOrder - Payment is about to be added', 1, null, 'Cart', (int)$id_cart, true);

			// Register Payment only if the order status validate the order
			if ($order_status->logable)
			{
				// $order is the last order loop in the foreach
				// The method addOrderPayment of the class Order make a create a paymentOrder
				//     linked to the order reference and not to the order id
				if (isset($extra_vars['transaction_id']))
					$transaction_id = $extra_vars['transaction_id'];
				else
					$transaction_id = null;

				if (!$order->addOrderPayment($amount_paid, null, $transaction_id))
				{
					PrestaShopLogger::addLog('PaymentModule::validateOrder - Cannot save Order Payment', 3, null, 'Cart', (int)$id_cart, true);
					throw new PrestaShopException('Can\'t save Order Payment');
				}
			}

			// Next !
			$only_one_gift = false;
			$cart_rule_used = array();
			$products = $this->context->cart->getProducts();

			// Make sure CarRule caches are empty
			CartRule::cleanCache();
			foreach ($order_detail_list as $key => $order_detail)
			{
				$order = $order_list[$key];
				if (!$order_creation_failed && isset($order->id))
				{
					if (!$secure_key)
						$message .= '<br />'.Tools::displayError('Warning: the secure key is empty, check your payment account before validation');
					// Optional message to attach to this order
					if (isset($message) & !empty($message))
					{
						$msg = new Message();
						$message = strip_tags($message, '<br>');
						if (Validate::isCleanHtml($message))
						{
							if (self::DEBUG_MODE)
								PrestaShopLogger::addLog('PaymentModule::validateOrder - Message is about to be added', 1, null, 'Cart', (int)$id_cart, true);
							$msg->message = $message;
							$msg->id_order = intval($order->id);
							$msg->private = 1;
							$msg->add();
						}
					}

					// Insert new Order detail list using cart for the current order
					//$orderDetail = new OrderDetail(null, null, $this->context);
					//$orderDetail->createList($order, $this->context->cart, $id_order_state);

					// Construct order detail table for the email
					$products_list = '';
					$virtual_product = true;

					$product_var_tpl_list = array();
					foreach ($order->product_list as $product)
					{
						$price = Product::getPriceStatic((int)$product['id_product'], false, ($product['id_product_attribute'] ? (int)$product['id_product_attribute'] : null), 6, null, false, true, $product['cart_quantity'], false, (int)$order->id_customer, (int)$order->id_cart, (int)$order->{Configuration::get('PS_TAX_ADDRESS_TYPE')});
						$price_wt = Product::getPriceStatic((int)$product['id_product'], true, ($product['id_product_attribute'] ? (int)$product['id_product_attribute'] : null), 2, null, false, true, $product['cart_quantity'], false, (int)$order->id_customer, (int)$order->id_cart, (int)$order->{Configuration::get('PS_TAX_ADDRESS_TYPE')});

						$product_price = Product::getTaxCalculationMethod() == PS_TAX_EXC ? Tools::ps_round($price, 2) : $price_wt;

						$product_var_tpl = array(
							'reference' => $product['reference'],
							'name' => $product['name'].(isset($product['attributes']) ? ' - '.$product['attributes'] : ''),
							'unit_price' => Tools::displayPrice($product_price, $this->context->currency, false),
							'price' => Tools::displayPrice($product_price * $product['quantity'], $this->context->currency, false),
							'quantity' => $product['quantity'],
							'customization' => array()
						);

						$customized_datas = Product::getAllCustomizedDatas((int)$order->id_cart);
						if (isset($customized_datas[$product['id_product']][$product['id_product_attribute']]))
						{
							$product_var_tpl['customization'] = array();
							foreach ($customized_datas[$product['id_product']][$product['id_product_attribute']][$order->id_address_delivery] as $customization)
							{
								$customization_text = '';
								if (isset($customization['datas'][Product::CUSTOMIZE_TEXTFIELD]))
									foreach ($customization['datas'][Product::CUSTOMIZE_TEXTFIELD] as $text)
										$customization_text .= $text['name'].': '.$text['value'].'<br />';

								if (isset($customization['datas'][Product::CUSTOMIZE_FILE]))
									$customization_text .= sprintf(Tools::displayError('%d image(s)'), count($customization['datas'][Product::CUSTOMIZE_FILE])).'<br />';

								$customization_quantity = (int)$product['customization_quantity'];

								$product_var_tpl['customization'][] = array(
									'customization_text' => $customization_text,
									'customization_quantity' => $customization_quantity,
									'quantity' => Tools::displayPrice($customization_quantity * $product_price, $this->context->currency, false)
								);
							}
						}

						$product_var_tpl_list[] = $product_var_tpl;
						// Check if is not a virutal product for the displaying of shipping
						if (!$product['is_virtual'])
							$virtual_product &= false;

					} // end foreach ($products)

					$product_list_txt = '';
					$product_list_html = '';
					if (count($product_var_tpl_list) > 0)
					{
						$product_list_txt = $this->getEmailTemplateContent('order_conf_product_list.txt', Mail::TYPE_TEXT, $product_var_tpl_list);
						$product_list_html = $this->getEmailTemplateContent('order_conf_product_list.tpl', Mail::TYPE_HTML, $product_var_tpl_list);
					}

					$cart_rules_list = array();
					$total_reduction_value_ti = 0;
					$total_reduction_value_tex = 0;
					foreach ($cart_rules as $cart_rule)
					{
						$package = array('id_carrier' => $order->id_carrier, 'id_address' => $order->id_address_delivery, 'products' => $order->product_list);
						$values = array(
							'tax_incl' => $cart_rule['obj']->getContextualValue(true, $this->context, CartRule::FILTER_ACTION_ALL_NOCAP, $package),
							'tax_excl' => $cart_rule['obj']->getContextualValue(false, $this->context, CartRule::FILTER_ACTION_ALL_NOCAP, $package)
						);

						// If the reduction is not applicable to this order, then continue with the next one
						if (!$values['tax_excl'])
							continue;

						// IF
						//     This is not multi-shipping
						//     The value of the voucher is greater than the total of the order
						//     Partial use is allowed
						//     This is an "amount" reduction, not a reduction in % or a gift
						// THEN
						//     The voucher is cloned with a new value corresponding to the remainder
						if (count($order_list) == 1 && $values['tax_incl'] > ($order->total_products_wt - $total_reduction_value_ti) && $cart_rule['obj']->partial_use == 1 && $cart_rule['obj']->reduction_amount > 0)
						{
							// Create a new voucher from the original
							$voucher = new CartRule($cart_rule['obj']->id); // We need to instantiate the CartRule without lang parameter to allow saving it
							unset($voucher->id);

							// Set a new voucher code
							$voucher->code = empty($voucher->code) ? substr(md5($order->id.'-'.$order->id_customer.'-'.$cart_rule['obj']->id), 0, 16) : $voucher->code.'-2';
							if (preg_match('/\-([0-9]{1,2})\-([0-9]{1,2})$/', $voucher->code, $matches) && $matches[1] == $matches[2])
								$voucher->code = preg_replace('/'.$matches[0].'$/', '-'.(intval($matches[1]) + 1), $voucher->code);

							// Set the new voucher value
							if ($voucher->reduction_tax)
							{
								$voucher->reduction_amount = ($total_reduction_value_ti + $values['tax_incl']) - $order->total_products_wt;

								// Add total shipping amout only if reduction amount > total shipping
								if ($voucher->free_shipping == 1 && $voucher->reduction_amount >= $order->total_shipping_tax_incl)
									$voucher->reduction_amount -= $order->total_shipping_tax_incl;
							}
							else
							{
								$voucher->reduction_amount =  ($total_reduction_value_tex + $values['tax_excl']) - $order->total_products;

								// Add total shipping amout only if reduction amount > total shipping
								if ($voucher->free_shipping == 1 && $voucher->reduction_amount >= $order->total_shipping_tax_excl)
									$voucher->reduction_amount -= $order->total_shipping_tax_excl;
							}
							if ($voucher->reduction_amount <= 0)
								continue;

							$voucher->id_customer = $order->id_customer;
							$voucher->quantity = 1;
							$voucher->quantity_per_user = 1;
							$voucher->free_shipping = 0;
							if ($voucher->add())
							{
								// If the voucher has conditions, they are now copied to the new voucher
								CartRule::copyConditions($cart_rule['obj']->id, $voucher->id);

								$params = array(
									'{voucher_amount}' => Tools::displayPrice($voucher->reduction_amount, $this->context->currency, false),
									'{voucher_num}' => $voucher->code,
									'{firstname}' => $this->context->customer->firstname,
									'{lastname}' => $this->context->customer->lastname,
									'{id_order}' => $order->reference,
									'{order_name}' => $order->getUniqReference()
								);
								Mail::Send(
									(int)$order->id_lang,
									'voucher',
									sprintf(Mail::l('New voucher for your order %s', (int)$order->id_lang), $order->reference),
									$params,
									$this->context->customer->email,
									$this->context->customer->firstname.' '.$this->context->customer->lastname,
									null, null, null, null, _PS_MAIL_DIR_, false, (int)$order->id_shop
								);
							}

							$values['tax_incl'] = $order->total_products_wt - $total_reduction_value_ti;
							$values['tax_excl'] = $order->total_products - $total_reduction_value_tex;

						}
						$total_reduction_value_ti += $values['tax_incl'];
						$total_reduction_value_tex += $values['tax_excl'];

						$order->addCartRule($cart_rule['obj']->id, $cart_rule['obj']->name, $values, 0, $cart_rule['obj']->free_shipping);

						if ($id_order_state != Configuration::get('PS_OS_ERROR') && $id_order_state != Configuration::get('PS_OS_CANCELED') && !in_array($cart_rule['obj']->id, $cart_rule_used))
						{
							$cart_rule_used[] = $cart_rule['obj']->id;

							// Create a new instance of Cart Rule without id_lang, in order to update its quantity
							$cart_rule_to_update = new CartRule($cart_rule['obj']->id);
							$cart_rule_to_update->quantity = max(0, $cart_rule_to_update->quantity - 1);
							$cart_rule_to_update->update();
						}

						$cart_rules_list[] = array(
							'voucher_name' => $cart_rule['obj']->name,
							'voucher_reduction' => ($values['tax_incl'] != 0.00 ? '-' : '').Tools::displayPrice($values['tax_incl'], $this->context->currency, false)
						);
					}

					$cart_rules_list_txt = '';
					$cart_rules_list_html = '';
					if (count($cart_rules_list) > 0)
					{
						$cart_rules_list_txt = $this->getEmailTemplateContent('order_conf_cart_rules.txt', Mail::TYPE_TEXT, $cart_rules_list);
						$cart_rules_list_html = $this->getEmailTemplateContent('order_conf_cart_rules.tpl', Mail::TYPE_HTML, $cart_rules_list);
					}

					// Specify order id for message
					$old_message = Message::getMessageByCartId((int)$this->context->cart->id);
					if ($old_message)
					{
						$update_message = new Message((int)$old_message['id_message']);
						$update_message->id_order = (int)$order->id;
						$update_message->update();

						// Add this message in the customer thread
						$customer_thread = new CustomerThread();
						$customer_thread->id_contact = 0;
						$customer_thread->id_customer = (int)$order->id_customer;
						$customer_thread->id_shop = (int)$this->context->shop->id;
						$customer_thread->id_order = (int)$order->id;
						$customer_thread->id_lang = (int)$this->context->language->id;
						$customer_thread->email = $this->context->customer->email;
						$customer_thread->status = 'open';
						$customer_thread->token = Tools::passwdGen(12);
						$customer_thread->add();

						$customer_message = new CustomerMessage();
						$customer_message->id_customer_thread = $customer_thread->id;
						$customer_message->id_employee = 0;
						$customer_message->message = $update_message->message;
						$customer_message->private = 0;

						if (!$customer_message->add())
							$this->errors[] = Tools::displayError('An error occurred while saving message');
					}

					if (self::DEBUG_MODE)
						PrestaShopLogger::addLog('PaymentModule::validateOrder - Hook validateOrder is about to be called', 1, null, 'Cart', (int)$id_cart, true);

					// Hook validate order
					Hook::exec('actionValidateOrder', array(
						'cart' => $this->context->cart,
						'order' => $order,
						'customer' => $this->context->customer,
						'currency' => $this->context->currency,
						'orderStatus' => $order_status
					));

					foreach ($this->context->cart->getProducts() as $product)
						if ($order_status->logable)
							ProductSale::addProductSale((int)$product['id_product'], (int)$product['cart_quantity']);

					if (self::DEBUG_MODE)
						PrestaShopLogger::addLog('PaymentModule::validateOrder - Order Status is about to be added', 1, null, 'Cart', (int)$id_cart, true);

					// Set the order status
					$new_history = new OrderHistory();
					$new_history->id_order = (int)$order->id;
					$new_history->changeIdOrderState((int)$id_order_state, $order, true);
					$new_history->addWithemail(true, $extra_vars);

					// Switch to back order if needed
					if (Configuration::get('PS_STOCK_MANAGEMENT') && $order_detail->getStockState())
					{
						$history = new OrderHistory();
						$history->id_order = (int)$order->id;
						$history->changeIdOrderState(Configuration::get($order->valid ? 'PS_OS_OUTOFSTOCK_PAID' : 'PS_OS_OUTOFSTOCK_UNPAID'), $order, true);
						$history->addWithemail();
					}

					unset($order_detail);

					// Order is reloaded because the status just changed
					$order = new Order($order->id);

					// Send an e-mail to customer (one order = one email)
					if ($id_order_state != Configuration::get('PS_OS_ERROR') && $id_order_state != Configuration::get('PS_OS_CANCELED') && $this->context->customer->id)
					{
						$invoice = new Address($order->id_address_invoice);
						$delivery = new Address($order->id_address_delivery);
						$delivery_state = $delivery->id_state ? new State($delivery->id_state) : false;
						$invoice_state = $invoice->id_state ? new State($invoice->id_state) : false;

						$data = array(
						'{firstname}' => $this->context->customer->firstname,
						'{lastname}' => $this->context->customer->lastname,
						'{email}' => $this->context->customer->email,
						'{delivery_block_txt}' => $this->_getFormatedAddress($delivery, "\n"),
						'{invoice_block_txt}' => $this->_getFormatedAddress($invoice, "\n"),
						'{delivery_block_html}' => $this->_getFormatedAddress($delivery, '<br />', array(
							'firstname'	=> '<span style="font-weight:bold;">%s</span>',
							'lastname'	=> '<span style="font-weight:bold;">%s</span>'
						)),
						'{invoice_block_html}' => $this->_getFormatedAddress($invoice, '<br />', array(
								'firstname'	=> '<span style="font-weight:bold;">%s</span>',
								'lastname'	=> '<span style="font-weight:bold;">%s</span>'
						)),
						'{delivery_company}' => $delivery->company,
						'{delivery_firstname}' => $delivery->firstname,
						'{delivery_lastname}' => $delivery->lastname,
						'{delivery_address1}' => $delivery->address1,
						'{delivery_address2}' => $delivery->address2,
						'{delivery_city}' => $delivery->city,
						'{delivery_postal_code}' => $delivery->postcode,
						'{delivery_country}' => $delivery->country,
						'{delivery_state}' => $delivery->id_state ? $delivery_state->name : '',
						'{delivery_phone}' => ($delivery->phone) ? $delivery->phone : $delivery->phone_mobile,
						'{delivery_other}' => $delivery->other,
						'{invoice_company}' => $invoice->company,
						'{invoice_vat_number}' => $invoice->vat_number,
						'{invoice_firstname}' => $invoice->firstname,
						'{invoice_lastname}' => $invoice->lastname,
						'{invoice_address2}' => $invoice->address2,
						'{invoice_address1}' => $invoice->address1,
						'{invoice_city}' => $invoice->city,
						'{invoice_postal_code}' => $invoice->postcode,
						'{invoice_country}' => $invoice->country,
						'{invoice_state}' => $invoice->id_state ? $invoice_state->name : '',
						'{invoice_phone}' => ($invoice->phone) ? $invoice->phone : $invoice->phone_mobile,
						'{invoice_other}' => $invoice->other,
						'{order_name}' => $order->getUniqReference(),
						'{date}' => Tools::displayDate(date('Y-m-d H:i:s'), null, 1),
						'{carrier}' => ($virtual_product || !isset($carrier->name)) ? Tools::displayError('No carrier') : $carrier->name,
						'{payment}' => Tools::substr($order->payment, 0, 32),
						'{products}' => $product_list_html,
						'{products_txt}' => $product_list_txt,
						'{discounts}' => $cart_rules_list_html,
						'{discounts_txt}' => $cart_rules_list_txt,
						'{total_paid}' => Tools::displayPrice($order->total_paid, $this->context->currency, false),
						'{total_products}' => Tools::displayPrice($order->total_paid - $order->total_shipping - $order->total_wrapping + $order->total_discounts, $this->context->currency, false),
						'{total_discounts}' => Tools::displayPrice($order->total_discounts, $this->context->currency, false),
						'{total_shipping}' => Tools::displayPrice($order->total_shipping, $this->context->currency, false),
						'{total_wrapping}' => Tools::displayPrice($order->total_wrapping, $this->context->currency, false),
						'{total_tax_paid}' => Tools::displayPrice(($order->total_products_wt - $order->total_products) + ($order->total_shipping_tax_incl - $order->total_shipping_tax_excl), $this->context->currency, false));

						if (is_array($extra_vars))
							$data = array_merge($data, $extra_vars);

						// Join PDF invoice
						if ((int)Configuration::get('PS_INVOICE') && $order_status->invoice && $order->invoice_number)
						{
							$pdf = new PDF($order->getInvoicesCollection(), PDF::TEMPLATE_INVOICE, $this->context->smarty);
							$file_attachement['content'] = $pdf->render(false);
							$file_attachement['name'] = Configuration::get('PS_INVOICE_PREFIX', (int)$order->id_lang, null, $order->id_shop).sprintf('%06d', $order->invoice_number).'.pdf';
							$file_attachement['mime'] = 'application/pdf';
						}
						else
							$file_attachement = null;

						if (self::DEBUG_MODE)
							PrestaShopLogger::addLog('PaymentModule::validateOrder - Mail is about to be sent', 1, null, 'Cart', (int)$id_cart, true);

						if (Validate::isEmail($this->context->customer->email))
							Mail::Send(
								(int)$order->id_lang,
								'order_conf',
								Mail::l('Order confirmation', (int)$order->id_lang),
								$data,
								$this->context->customer->email,
								$this->context->customer->firstname.' '.$this->context->customer->lastname,
								null,
								null,
								$file_attachement,
								null, _PS_MAIL_DIR_, false, (int)$order->id_shop
							);
					}

					// updates stock in shops
					if (Configuration::get('PS_ADVANCED_STOCK_MANAGEMENT'))
					{
						$product_list = $order->getProducts();
						foreach ($product_list as $product)
						{
							// if the available quantities depends on the physical stock
							if (StockAvailable::dependsOnStock($product['product_id']))
							{
								// synchronizes
								StockAvailable::synchronize($product['product_id'], $order->id_shop);
							}
						}
					}
				}
				else
				{
					$error = Tools::displayError('Order creation failed');
					PrestaShopLogger::addLog($error, 4, '0000002', 'Cart', intval($order->id_cart));
					die($error);
				}
			} // End foreach $order_detail_list

			// Update Order Details Tax in case cart rules have free shipping
			foreach ($order->getOrderDetailList() as $detail)
			{
				$order_detail = new OrderDetail($detail['id_order_detail']);
					$order_detail->updateTaxAmount($order);
			}

			// Use the last order as currentOrder
			if (isset($order) && $order->id)
				$this->currentOrder = (int)$order->id;

			if (self::DEBUG_MODE)
				PrestaShopLogger::addLog('PaymentModule::validateOrder - End of validateOrder', 1, null, 'Cart', (int)$id_cart, true);

			return true;
		}
		else
		{
			$error = Tools::displayError('Cart cannot be loaded or an order has already been placed using this cart');
			PrestaShopLogger::addLog($error, 4, '0000001', 'Cart', intval($this->context->cart->id));
			die($error);
		}
	}

	public function formatProductAndVoucherForEmail($content)
	{
		Tools::displayAsDeprecated();
		return $content;
	}

	/**
	 * @param Object Address $the_address that needs to be txt formated
	 * @return String the txt formated address block
	 */
	protected function _getTxtFormatedAddress($the_address)
	{
		$adr_fields = AddressFormat::getOrderedAddressFields($the_address->id_country, false, true);
		$r_values = array();
		foreach ($adr_fields as $fields_line)
		{
			$tmp_values = array();
			foreach (explode(' ', $fields_line) as $field_item)
			{
				$field_item = trim($field_item);
				$tmp_values[] = $the_address->{$field_item};
			}
			$r_values[] = implode(' ', $tmp_values);
		}

		$out = implode("\n", $r_values);
		return $out;
	}

	/**
	 * @param Object Address $the_address that needs to be txt formated
	 * @return String the txt formated address block
	 */

	protected function _getFormatedAddress(Address $the_address, $line_sep, $fields_style = array())
	{
		return AddressFormat::generateAddress($the_address, array('avoid' => array()), $line_sep, ' ', $fields_style);
	}

	/**
	 * @param int $id_currency : this parameter is optionnal but on 1.5 version of Prestashop, it will be REQUIRED
	 * @return Currency
	 */
	public function getCurrency($current_id_currency = null)
	{
		if (!(int)$current_id_currency)
			$current_id_currency = Context::getContext()->currency->id;

		if (!$this->currencies)
			return false;
		if ($this->currencies_mode == 'checkbox')
		{
			$currencies = Currency::getPaymentCurrencies($this->id);
			return $currencies;
		}
		elseif ($this->currencies_mode == 'radio')
		{
			$currencies = Currency::getPaymentCurrenciesSpecial($this->id);
			$currency = $currencies['id_currency'];
			if ($currency == -1)
				$id_currency = (int)$current_id_currency;
			elseif ($currency == -2)
				$id_currency = (int)Configuration::get('PS_CURRENCY_DEFAULT');
			else
				$id_currency = $currency;
		}
		if (!isset($id_currency) || empty($id_currency))
			return false;
		$currency = new Currency($id_currency);
		return $currency;
	}

	/**
	 * Allows specified payment modules to be used by a specific currency
	 *
	 * @since 1.4.5
	 * @param int $id_currency
	 * @param array $id_module_list
	 * @return boolean
	 */
	public static function addCurrencyPermissions($id_currency, array $id_module_list = array())
	{
		$values = '';
		if (count($id_module_list) == 0)
		{
			// fetch all installed module ids
			$modules = PaymentModuleCore::getInstalledPaymentModules();
			foreach ($modules as $module)
				$id_module_list[] = $module['id_module'];
		}

		foreach ($id_module_list as $id_module)
			$values .= '('.(int)$id_module.','.(int)$id_currency.'),';

		if (!empty($values))
		{
			return Db::getInstance()->execute('
			INSERT INTO `'._DB_PREFIX_.'module_currency` (`id_module`, `id_currency`)
			VALUES '.rtrim($values, ','));
		}

		return true;
	}

	/**
	 * List all installed and active payment modules
	 * @see Module::getPaymentModules() if you need a list of module related to the user context
	 *
	 * @since 1.4.5
	 * @return array module informations
	 */
	public static function getInstalledPaymentModules()
	{
		$hook_payment = 'Payment';
		if (Db::getInstance()->getValue('SELECT `id_hook` FROM `'._DB_PREFIX_.'hook` WHERE `name` = \'displayPayment\''))
			$hook_payment = 'displayPayment';

		return Db::getInstance()->executeS('
		SELECT DISTINCT m.`id_module`, h.`id_hook`, m.`name`, hm.`position`
		FROM `'._DB_PREFIX_.'module` m
		LEFT JOIN `'._DB_PREFIX_.'hook_module` hm ON hm.`id_module` = m.`id_module`'
		. Shop::addSqlRestriction(false, 'hm').'
		LEFT JOIN `'._DB_PREFIX_.'hook` h ON hm.`id_hook` = h.`id_hook`
		INNER JOIN `'._DB_PREFIX_.'module_shop` ms ON (m.`id_module` = ms.`id_module` AND ms.id_shop='.(int)Context::getContext()->shop->id.')
		WHERE h.`name` = \''.pSQL($hook_payment).'\'');
	}

	public static function preCall($module_name)
	{
		if (!parent::preCall($module_name))
			return false;

		if (($module_instance = Module::getInstanceByName($module_name)))
			if (!$module_instance->currencies || ($module_instance->currencies && count(Currency::checkPaymentCurrencies($module_instance->id))))
				return true;

		return false;
	}

	/**
	 * Fetch the content of $template_name inside the folder current_theme/mails/current_iso_lang/ if found, otherwise in mails/current_iso_lang
	 *
	 * @param string  $template_name template name with extension
	 * @param integer $mail_type     Mail::TYPE_HTML or Mail::TYPE_TXT
	 * @param array   $var           list send to smarty
	 *
	 * @return string
	 */
	protected function getEmailTemplateContent($template_name, $mail_type, $var)
	{
		$email_configuration = Configuration::get('PS_MAIL_TYPE');
		if ($email_configuration != $mail_type && $email_configuration != Mail::TYPE_BOTH)
			return '';

		$theme_template_path = _PS_THEME_DIR_.'mails'.DIRECTORY_SEPARATOR.$this->context->language->iso_code.DIRECTORY_SEPARATOR.$template_name;
		$default_mail_template_path = _PS_MAIL_DIR_.$this->context->language->iso_code.DIRECTORY_SEPARATOR.$template_name;

		if (Tools::file_exists_cache($theme_template_path))
			$default_mail_template_path = $theme_template_path;

		if (Tools::file_exists_cache($default_mail_template_path))
		{
			$this->context->smarty->assign('list', $var);
			return $this->context->smarty->fetch($default_mail_template_path);
		}
		return '';
	}
}
