<?php
/**
 * OpenMage
 *
 * 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 at https://opensource.org/license/osl-3-0-php
 *
 * @category   Mage
 * @package    Mage_Tax
 * @copyright  Copyright (c) 2006-2020 Magento, Inc. (https://www.magento.com)
 * @copyright  Copyright (c) 2022-2023 The OpenMage Contributors (https://www.openmage.org)
 * @license    https://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Subtotal Total Row Renderer
 *
 * @category   Mage
 * @package    Mage_Tax
 */
class Mage_Tax_Block_Checkout_Grandtotal extends Mage_Checkout_Block_Total_Default
{
    protected $_template = 'tax/checkout/grandtotal.phtml';

    /**
     * Check if we have include tax amount between grandtotal incl/excl tax
     *
     * @return bool
     */
    public function includeTax()
    {
        if ($this->getTotal()->getAddress()->getGrandTotal()) {
            return Mage::getSingleton('tax/config')->displayCartTaxWithGrandTotal($this->getStore());
        }
        return false;
    }

    /**
     * Get grandtotal exclude tax
     *
     * @return float
     */
    public function getTotalExclTax()
    {
        $excl = $this->getTotal()->getAddress()->getGrandTotal() - $this->getTotal()->getAddress()->getTaxAmount();
        $excl = max($excl, 0);
        return $excl;
    }
}
