<?php
/*
* 2007-2013 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  2007-2013 PrestaShop SA
*  @license    http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

if (!defined('_PS_VERSION_'))
	exit;

class BlockCart extends Module
{
	public function __construct()
	{
		$this->name = 'blockcart';
		$this->tab = 'front_office_features';
		$this->version = '1.2';
		$this->author = 'PrestaShop';
		$this->need_instance = 0;

		parent::__construct();

		$this->displayName = $this->l('Cart block');
		$this->description = $this->l('Adds a block containing the customer\'s shopping cart.');
	}

	public function assignContentVars($params)
	{
		global $errors;

		// Set currency
		if ((int)$params['cart']->id_currency && (int)$params['cart']->id_currency != $this->context->currency->id)
			$currency = new Currency((int)$params['cart']->id_currency);
		else
			$currency = $this->context->currency;

		$taxCalculationMethod = Group::getPriceDisplayMethod((int)Group::getCurrent()->id);

		$useTax = !($taxCalculationMethod == PS_TAX_EXC);

		$products = $params['cart']->getProducts(true);
		$nbTotalProducts = 0;
		foreach ($products as $product)
			$nbTotalProducts += (int)$product['cart_quantity'];
		$cart_rules = $params['cart']->getCartRules();

		$base_shipping = $params['cart']->getOrderTotal($useTax, Cart::ONLY_SHIPPING);
		$shipping_cost = Tools::displayPrice($base_shipping, $currency);
		$shipping_cost_float = Tools::convertPrice($base_shipping, $currency);
		$wrappingCost = (float)($params['cart']->getOrderTotal($useTax, Cart::ONLY_WRAPPING));
		$totalToPay = $params['cart']->getOrderTotal($useTax);

		if ($useTax && Configuration::get('PS_TAX_DISPLAY') == 1)
		{
			$totalToPayWithoutTaxes = $params['cart']->getOrderTotal(false);
			$this->smarty->assign('tax_cost', Tools::displayPrice($totalToPay - $totalToPayWithoutTaxes, $currency));
		}
		
		// The cart content is altered for display
		foreach ($cart_rules as &$cart_rule)
		{
			if ($cart_rule['free_shipping'])
			{
				$shipping_cost = Tools::displayPrice(0, $currency);
				$shipping_cost_float = 0;
				$cart_rule['value_real'] -= Tools::convertPrice($params['cart']->getOrderTotal(true, Cart::ONLY_SHIPPING), $currency);
				$cart_rule['value_tax_exc'] = Tools::convertPrice($params['cart']->getOrderTotal(false, Cart::ONLY_SHIPPING), $currency);
			}
			if ($cart_rule['gift_product'])
			{
				foreach ($products as &$product)
					if ($product['id_product'] == $cart_rule['gift_product'] && $product['id_product_attribute'] == $cart_rule['gift_product_attribute'])
					{
						$product['is_gift'] = 1;
						$product['total_wt'] = Tools::ps_round($product['total_wt'] - $product['price_wt'], (int)$currency->decimals * _PS_PRICE_DISPLAY_PRECISION_);
						$product['total'] = Tools::ps_round($product['total'] - $product['price'], (int)$currency->decimals * _PS_PRICE_DISPLAY_PRECISION_);
						$cart_rule['value_real'] = Tools::ps_round($cart_rule['value_real'] - $product['price_wt'], (int)$currency->decimals * _PS_PRICE_DISPLAY_PRECISION_);
						$cart_rule['value_tax_exc'] = Tools::ps_round($cart_rule['value_tax_exc'] - $product['price'], (int)$currency->decimals * _PS_PRICE_DISPLAY_PRECISION_);
					}
			}
		}

		$this->smarty->assign(array(
			'products' => $products,
			'customizedDatas' => Product::getAllCustomizedDatas((int)($params['cart']->id)),
			'CUSTOMIZE_FILE' => _CUSTOMIZE_FILE_,
			'CUSTOMIZE_TEXTFIELD' => _CUSTOMIZE_TEXTFIELD_,
			'discounts' => $cart_rules,
			'nb_total_products' => (int)($nbTotalProducts),
			'shipping_cost' => $shipping_cost,
			'shipping_cost_float' => $shipping_cost_float,
			'show_wrapping' => $wrappingCost > 0 ? true : false,
			'show_tax' => (int)(Configuration::get('PS_TAX_DISPLAY') == 1 && (int)Configuration::get('PS_TAX')),
			'wrapping_cost' => Tools::displayPrice($wrappingCost, $currency),
			'product_total' => Tools::displayPrice($params['cart']->getOrderTotal($useTax, Cart::BOTH_WITHOUT_SHIPPING), $currency),
			'total' => Tools::displayPrice($totalToPay, $currency),
			'order_process' => Configuration::get('PS_ORDER_PROCESS_TYPE') ? 'order-opc' : 'order',
			'ajax_allowed' => (int)(Configuration::get('PS_BLOCK_CART_AJAX')) == 1 ? true : false,
			'static_token' => Tools::getToken(false)
		));
		if (count($errors))
			$this->smarty->assign('errors', $errors);
		if (isset($this->context->cookie->ajax_blockcart_display))
			$this->smarty->assign('colapseExpandStatus', $this->context->cookie->ajax_blockcart_display);
	}

	public function getContent()
	{
		$output = '<h2>'.$this->displayName.'</h2>';
		if (Tools::isSubmit('submitBlockCart'))
		{
			$ajax = Tools::getValue('cart_ajax');
			if ($ajax != 0 && $ajax != 1)
				$output .= '<div class="alert error">'.$this->l('Ajax : Invalid choice.').'</div>';
			else
				Configuration::updateValue('PS_BLOCK_CART_AJAX', (int)($ajax));
			$output .= '<div class="conf confirm">'.$this->l('Settings updated').'</div>';
		}
		return $output.$this->displayForm();
	}

	public function displayForm()
	{
		return '
		<form action="'.Tools::safeOutput($_SERVER['REQUEST_URI']).'" method="post">
			<fieldset>
				<legend><img src="'.$this->_path.'logo.gif" alt="" title="" />'.$this->l('Settings').'</legend>

				<label>'.$this->l('Ajax cart').'</label>
				<div class="margin-form">
					<input type="radio" name="cart_ajax" id="ajax_on" value="1" '.(Tools::getValue('cart_ajax', Configuration::get('PS_BLOCK_CART_AJAX')) ? 'checked="checked" ' : '').'/>
					<label class="t" for="ajax_on"> <img src="../img/admin/enabled.gif" alt="'.$this->l('Enabled').'" title="'.$this->l('Enabled').'" /></label>
					<input type="radio" name="cart_ajax" id="ajax_off" value="0" '.(!Tools::getValue('cart_ajax', Configuration::get('PS_BLOCK_CART_AJAX')) ? 'checked="checked" ' : '').'/>
					<label class="t" for="ajax_off"> <img src="../img/admin/disabled.gif" alt="'.$this->l('Disabled').'" title="'.$this->l('Disabled').'" /></label>
					<p class="clear">'.$this->l('Activate AJAX mode for cart (compatible with the default theme)').'</p>
				</div>

				<center><input type="submit" name="submitBlockCart" value="'.$this->l('Save').'" class="button" /></center>
			</fieldset>
		</form>';
	}

	public function install()
	{
		if (
			parent::install() == false
			|| $this->registerHook('top') == false
			|| $this->registerHook('header') == false
			|| $this->registerHook('actionCartListOverride') == false
			|| Configuration::updateValue('PS_BLOCK_CART_AJAX', 1) == false)
			return false;
		return true;
	}

	public function hookRightColumn($params)
	{
		if (Configuration::get('PS_CATALOG_MODE'))
			return;

		// @todo this variable seems not used
		$this->smarty->assign('order_page', strpos($_SERVER['PHP_SELF'], 'order') !== false);
		$this->assignContentVars($params);
		return $this->display(__FILE__, 'blockcart.tpl');
	}

	public function hookLeftColumn($params)
	{
		return $this->hookRightColumn($params);
	}

	public function hookAjaxCall($params)
	{
		if (Configuration::get('PS_CATALOG_MODE'))
			return;

		$this->assignContentVars($params);
		$res = $this->display(__FILE__, 'blockcart-json.tpl');
		return $res;
	}

	public function hookActionCartListOverride($params)
	{
		if (!Configuration::get('PS_BLOCK_CART_AJAX'))
			return;

		$this->assignContentVars(array('cookie' => $this->context->cookie, 'cart' => $this->context->cart));
		$params['json'] = $this->display(__FILE__, 'blockcart-json.tpl');
	}

	public function hookHeader()
	{
		if (Configuration::get('PS_CATALOG_MODE'))
			return;

		$this->context->controller->addCSS(($this->_path).'blockcart.css', 'all');
		if ((int)(Configuration::get('PS_BLOCK_CART_AJAX')))
			$this->context->controller->addJS(($this->_path).'ajax-cart.js');
	}
	
	public function hookTop($params)
	{
		return $this->hookRightColumn($params);
	}
}