<?php
/**
 * PRO Module to show VAT-free price with the price tax incl.
 * 
 * @author    Singleton software <info@singleton-software.com>
 * @copyright 2018 Singleton software
 * @license   http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
 */

class DualPriceDisplayProProductCombinationsModuleFrontController extends ModuleFrontController
{
	public function __construct() {
		parent::__construct();
	}
	
	public function initContent() {
	    parent::initContent();
	}
	
	public function displayAjaxGetProductCombinationPrice() {
		if (Tools::getIsset('token')) {
			$idProduct = (int)Tools::getValue('id_product');
			$idProductAttribute = (Tools::getIsset('group') ? (int)self::getProductAttributesID((int)Tools::getValue('id_product'), Tools::getValue('group')) : 0);
			$quantity = (int)Tools::getValue('qty');
		} else {
			$idProduct = (int)Tools::getValue('productID');
			$idProductAttribute = (int)Tools::getValue('productAttributeID');
			$quantity = (int)Tools::getValue('quantity');
		}
		$productPrice = array();
		$productPrice['taxInclPrice'] = Tools::displayPrice(Product::getPriceStatic($idProduct, true, (($idProductAttribute > 0) ? $idProductAttribute : null), 6, null, false, true) * $quantity, $this->context->currency);
		$productPrice['taxExclPrice'] = Tools::displayPrice(Product::getPriceStatic($idProduct, false, (($idProductAttribute > 0) ? $idProductAttribute : null), 6, null, false, true) * $quantity, $this->context->currency);
		$productPrice['originalTaxInclPrice'] = Tools::displayPrice(Product::getPriceStatic($idProduct, true, (($idProductAttribute > 0) ? $idProductAttribute : null), 6, null, false, false) * $quantity, $this->context->currency);
		$productPrice['originalTaxExclPrice'] = Tools::displayPrice(Product::getPriceStatic($idProduct, false, (($idProductAttribute > 0) ? $idProductAttribute : null), 6, null, false, false) * $quantity, $this->context->currency);
		$productPrice['hasDiscount'] = ($productPrice['taxInclPrice'] < $productPrice['originalTaxInclPrice']);
		die(Tools::jsonEncode(
			array(
				'productPriceInDetail' => $productPrice,
				'productID' => $idProduct
			)
		));
	}
	
	public static function getProductAttributesID($productId, $groups) {
		if (!is_array($groups)) {
			return 0;
		}
	
		$productAttributeId =  Db::getInstance()->getValue('
        SELECT pac.`id_product_attribute`
        FROM `'._DB_PREFIX_.'product_attribute_combination` pac
        INNER JOIN `'._DB_PREFIX_.'product_attribute` pa ON pa.id_product_attribute = pac.id_product_attribute
        WHERE id_product = '.(int)$productId.' AND id_attribute IN ('.implode(',', array_map('intval', $groups)).')
        GROUP BY id_product_attribute
        HAVING COUNT(id_product) = '.count($groups));
	
		if ($productAttributeId === false) {
			$ordered = array();
			$result = Db::getInstance()->executeS('SELECT `id_attribute` FROM `'._DB_PREFIX_.'attribute` a
            INNER JOIN `'._DB_PREFIX_.'attribute_group` g ON a.`id_attribute_group` = g.`id_attribute_group`
            WHERE `id_attribute` IN ('.implode(',', array_map('intval', $groups)).') ORDER BY g.`position` ASC');
	
			foreach ($result as $row) {
				$ordered[] = $row['id_attribute'];
			}
	
			while ($productAttributeId === false && count($ordered) > 0) {
				array_pop($ordered);
				$productAttributeId =  Db::getInstance()->getValue('
                SELECT pac.`id_product_attribute`
                FROM `'._DB_PREFIX_.'product_attribute_combination` pac
                INNER JOIN `'._DB_PREFIX_.'product_attribute` pa ON pa.id_product_attribute = pac.id_product_attribute
                WHERE id_product = '.(int)$productId.' AND id_attribute IN ('.implode(',', array_map('intval', $ordered)).')
                GROUP BY id_product_attribute
                HAVING COUNT(id_product) = '.count($ordered));
			}
		}
		return $productAttributeId;
	}
}