<?php
class Product extends ProductCore
{
    /**
     * Calcul du prix d'impact suivant les éléments selectionnés
     */
    public function getConfiguratorImpactPrice($params)
    {
        $priceImpact = 0;
        
        // List id_product_configurator_opt_impact
        $optId = array();
        if (count($params) > 0) {
            foreach ($params as $p) {
                if (is_numeric($p['id_configurator_opt'])) {
                    $optId[] = $p['id_configurator_opt'];
                } elseif (is_array($p['id_configurator_opt'])) {
                    foreach ($p['id_configurator_opt'] as $v) {
                        $optId[] = $v;
                    }
                }
            }
            
            $sql = 'SELECT pcoi.`price` FROM `'._DB_PREFIX_.'product_configurator_opt_impact` pcoi
                WHERE pcoi.`id_product` = '.$this->id.'
                    AND pcoi.`id_configurator_opt` IN('.join(',', $optId).')';
            $result = Db::getInstance()->executeS($sql);
            if (count($result) > 0) {
                foreach ($result as $item) {
                    $priceImpact += $item['price'];
                }
            }
        }
        
        return $priceImpact;
    }
    
    public static function getConfiguratorSelectedPriceTotal($id_product, $id_configurator)
    {
        $sql = 'SELECT SUM(cs.`price`) FROM `'._DB_PREFIX_.'configurator_storage` cs
            WHERE cs.`id_product`='.(int)$id_product.' AND cs.`id_configurator`='.(int)$id_configurator;
        return Db::getInstance()->getValue($sql);
    }
    
    public static function priceCalculation($id_shop, $id_product, $id_product_attribute, $id_country, $id_state, $zipcode, $id_currency,
        $id_group, $quantity, $use_tax, $decimals, $only_reduc, $use_reduc, $with_ecotax, &$specific_price, $use_group_reduction,
        $id_customer = 0, $use_customer_price = true, $id_cart = 0, $real_quantity = 0, $id_configurator = null)
    {
        static $address = null;
        static $context = null;
        
        if ($address === null) {
            $address = new Address();
        }
        
        if ($context == null) {
            $context = Context::getContext()->cloneContext();
        }
        
        if ($id_shop !== null && $context->shop->id != (int)$id_shop) {
            $context->shop = new Shop((int)$id_shop);
        }
        
        if (!$use_customer_price) {
            $id_customer = 0;
        }
        
        if ($id_product_attribute === null) {
            $id_product_attribute = Product::getDefaultAttribute($id_product);
        }
        
        $cache_id = (int)$id_product.'-'.(int)$id_shop.'-'.(int)$id_currency.'-'.(int)$id_country.'-'.$id_state.'-'.$zipcode.'-'.(int)$id_group.
        '-'.(int)$quantity.'-'.(int)$id_product_attribute.
        '-'.(int)$with_ecotax.'-'.(int)$id_customer.'-'.(int)$use_group_reduction.'-'.(int)$id_cart.'-'.(int)$real_quantity.
        '-'.($only_reduc?'1':'0').'-'.($use_reduc?'1':'0').'-'.($use_tax?'1':'0').'-'.(int)$decimals;
        
        if($id_configurator !== null) {
            $cache_id.= '-'.$id_configurator;
        }
        
        // reference parameter is filled before any returns
        $specific_price = SpecificPrice::getSpecificPrice(
            (int)$id_product,
            $id_shop,
            $id_currency,
            $id_country,
            $id_group,
            $quantity,
            $id_product_attribute,
            $id_customer,
            $id_cart,
            $real_quantity
            );
        
        if (isset(self::$_prices[$cache_id])) {
            /* Affect reference before returning cache */
            if (isset($specific_price['price']) && $specific_price['price'] > 0) {
                $specific_price['price'] = self::$_prices[$cache_id];
            }
            return self::$_prices[$cache_id];
        }
        
        // fetch price & attribute price
        $cache_id_2 = $id_product.'-'.$id_shop;
        if (!isset(self::$_pricesLevel2[$cache_id_2])) {
            $sql = new DbQuery();
            $sql->select('product_shop.`price`, product_shop.`ecotax`');
            $sql->from('product', 'p');
            $sql->innerJoin('product_shop', 'product_shop', '(product_shop.id_product=p.id_product AND product_shop.id_shop = '.(int)$id_shop.')');
            $sql->where('p.`id_product` = '.(int)$id_product);
            if (Combination::isFeatureActive()) {
                $sql->select('IFNULL(product_attribute_shop.id_product_attribute,0) id_product_attribute, product_attribute_shop.`price` AS attribute_price, product_attribute_shop.default_on');
                $sql->leftJoin('product_attribute_shop', 'product_attribute_shop', '(product_attribute_shop.id_product = p.id_product AND product_attribute_shop.id_shop = '.(int)$id_shop.')');
            } else {
                $sql->select('0 as id_product_attribute');
            }
            
            $res = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($sql);
            
            if (is_array($res) && count($res)) {
                foreach ($res as $row) {
                    $array_tmp = array(
                        'price' => $row['price'],
                        'ecotax' => $row['ecotax'],
                        'attribute_price' => (isset($row['attribute_price']) ? $row['attribute_price'] : null)
                    );
                    self::$_pricesLevel2[$cache_id_2][(int)$row['id_product_attribute']] = $array_tmp;
                    
                    if (isset($row['default_on']) && $row['default_on'] == 1) {
                        self::$_pricesLevel2[$cache_id_2][0] = $array_tmp;
                    }
                }
            }
        }
        
        if (!isset(self::$_pricesLevel2[$cache_id_2][(int)$id_product_attribute])) {
            return;
        }
        
        $result = self::$_pricesLevel2[$cache_id_2][(int)$id_product_attribute];
        
        if (!$specific_price || $specific_price['price'] < 0) {
            $price = (float)$result['price'];
        } else {
            $price = (float)$specific_price['price'];
        }
        // convert only if the specific price is in the default currency (id_currency = 0)
        if (!$specific_price || !($specific_price['price'] >= 0 && $specific_price['id_currency'])) {
            $price = Tools::convertPrice($price, $id_currency);
            if (isset($specific_price['price']) && $specific_price['price'] >= 0) {
                $specific_price['price'] = $price;
            }
        }
        
        // Attribute price
        if (is_array($result) && (!$specific_price || !$specific_price['id_product_attribute'] || $specific_price['price'] < 0)) {
            $attribute_price = Tools::convertPrice($result['attribute_price'] !== null ? (float)$result['attribute_price'] : 0, $id_currency);
            // If you want the default combination, please use NULL value instead
            if ($id_product_attribute !== false) {
                $price += $attribute_price;
            }
        }
        
        // Tax
        $address->id_country = $id_country;
        $address->id_state = $id_state;
        $address->postcode = $zipcode;
        
        $tax_manager = TaxManagerFactory::getManager($address, Product::getIdTaxRulesGroupByIdProduct((int)$id_product, $context));
        $product_tax_calculator = $tax_manager->getTaxCalculator();
        
        // Add Tax
        if ($use_tax) {
            $price = $product_tax_calculator->addTaxes($price);
        }
        
        // Eco Tax
        if (($result['ecotax'] || isset($result['attribute_ecotax'])) && $with_ecotax) {
            $ecotax = $result['ecotax'];
            if (isset($result['attribute_ecotax']) && $result['attribute_ecotax'] > 0) {
                $ecotax = $result['attribute_ecotax'];
            }
            
            if ($id_currency) {
                $ecotax = Tools::convertPrice($ecotax, $id_currency);
            }
            if ($use_tax) {
                // reinit the tax manager for ecotax handling
                $tax_manager = TaxManagerFactory::getManager(
                    $address,
                    (int)Configuration::get('PS_ECOTAX_TAX_RULES_GROUP_ID')
                    );
                $ecotax_tax_calculator = $tax_manager->getTaxCalculator();
                $price += $ecotax_tax_calculator->addTaxes($ecotax);
            } else {
                $price += $ecotax;
            }
        }
        
        // Configurator add price impact
        if ($id_configurator != null) {
            $sql = 'SELECT price FROM `'._DB_PREFIX_.'configurator_storage` WHERE id_configurator = '.(int)$id_configurator.
                ' AND id_product = '.(int)$id_product;
            $priceResult = Db::getInstance()->executeS($sql);
            if (count($priceResult) > 0) {
                foreach($priceResult as $p) {
                    $price+= $p['price'];
                }
            }
        }
        
        // Reduction
        $specific_price_reduction = 0;
        if (($only_reduc || $use_reduc) && $specific_price) {
            if ($specific_price['reduction_type'] == 'amount') {
                $reduction_amount = $specific_price['reduction'];
                
                if (!$specific_price['id_currency']) {
                    $reduction_amount = Tools::convertPrice($reduction_amount, $id_currency);
                }
                
                $specific_price_reduction = $reduction_amount;
                
                // Adjust taxes if required
                
                if (!$use_tax && $specific_price['reduction_tax']) {
                    $specific_price_reduction = $product_tax_calculator->removeTaxes($specific_price_reduction);
                }
                if ($use_tax && !$specific_price['reduction_tax']) {
                    $specific_price_reduction = $product_tax_calculator->addTaxes($specific_price_reduction);
                }
            } else {
                $specific_price_reduction = $price * $specific_price['reduction'];
            }
        }
        
        if ($use_reduc) {
            $price -= $specific_price_reduction;
        }
        
        // Group reduction
        if ($use_group_reduction) {
            $reduction_from_category = GroupReduction::getValueForProduct($id_product, $id_group);
            if ($reduction_from_category !== false) {
                $group_reduction = $price * (float)$reduction_from_category;
            } else { // apply group reduction if there is no group reduction for this category
                $group_reduction = (($reduc = Group::getReductionByIdGroup($id_group)) != 0) ? ($price * $reduc / 100) : 0;
            }
            
            $price -= $group_reduction;
        }
        
        if ($only_reduc) {
            return Tools::ps_round($specific_price_reduction, $decimals);
        }
        
        $price = Tools::ps_round($price, $decimals);
        
        if ($price < 0) {
            $price = 0;
        }
        
        self::$_prices[$cache_id] = $price;
        return self::$_prices[$cache_id];
    }
    
    public static function getPriceStatic($id_product, $usetax = true, $id_product_attribute = null, $decimals = 6, $divisor = null,
        $only_reduc = false, $usereduc = true, $quantity = 1, $force_associated_tax = false, $id_customer = null, $id_cart = null,
        $id_address = null, &$specific_price_output = null, $with_ecotax = true, $use_group_reduction = true, Context $context = null,
        $use_customer_price = true, $id_configurator = null)
    {
        if (!$context) {
            $context = Context::getContext();
        }
        
        $cur_cart = $context->cart;
        
        if ($divisor !== null) {
            Tools::displayParameterAsDeprecated('divisor');
        }
        
        if (!Validate::isBool($usetax) || !Validate::isUnsignedId($id_product)) {
            die(Tools::displayError());
        }
        
        // Initializations
        $id_group = null;
        if ($id_customer) {
            $id_group = Customer::getDefaultGroupId((int)$id_customer);
        }
        if (!$id_group) {
            $id_group = (int)Group::getCurrent()->id;
        }
        
        // If there is cart in context or if the specified id_cart is different from the context cart id
        if (!is_object($cur_cart) || (Validate::isUnsignedInt($id_cart) && $id_cart && $cur_cart->id != $id_cart)) {
            /*
             * When a user (e.g., guest, customer, Google...) is on PrestaShop, he has already its cart as the global (see /init.php)
             * When a non-user calls directly this method (e.g., payment module...) is on PrestaShop, he does not have already it BUT knows the cart ID
             * When called from the back office, cart ID can be inexistant
             */
            if (!$id_cart && !isset($context->employee)) {
                die(Tools::displayError());
            }
            $cur_cart = new Cart($id_cart);
            // Store cart in context to avoid multiple instantiations in BO
            if (!Validate::isLoadedObject($context->cart)) {
                $context->cart = $cur_cart;
            }
        }
        
        $cart_quantity = 0;
        if ((int)$id_cart) {
            $cache_id = 'Product::getPriceStatic_'.(int)$id_product.'-'.(int)$id_cart;
            if (!Cache::isStored($cache_id) || ($cart_quantity = Cache::retrieve($cache_id) != (int)$quantity)) {
                $sql = 'SELECT SUM(`quantity`)
				FROM `'._DB_PREFIX_.'cart_product`
				WHERE `id_product` = '.(int)$id_product.'
				AND `id_cart` = '.(int)$id_cart;
                $cart_quantity = (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue($sql);
                Cache::store($cache_id, $cart_quantity);
            } else {
                $cart_quantity = Cache::retrieve($cache_id);
            }
        }
        
        $id_currency = Validate::isLoadedObject($context->currency) ? (int)$context->currency->id : (int)Configuration::get('PS_CURRENCY_DEFAULT');
        
        // retrieve address informations
        $id_country = (int)$context->country->id;
        $id_state = 0;
        $zipcode = 0;
        
        if (!$id_address && Validate::isLoadedObject($cur_cart)) {
            $id_address = $cur_cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')};
        }
        
        if ($id_address) {
            $address_infos = Address::getCountryAndState($id_address);
            if ($address_infos['id_country']) {
                $id_country = (int)$address_infos['id_country'];
                $id_state = (int)$address_infos['id_state'];
                $zipcode = $address_infos['postcode'];
            }
        } elseif (isset($context->customer->geoloc_id_country)) {
            $id_country = (int)$context->customer->geoloc_id_country;
            $id_state = (int)$context->customer->id_state;
            $zipcode = $context->customer->postcode;
        }
        
        if (Tax::excludeTaxeOption()) {
            $usetax = false;
        }
        
        if ($usetax != false
            && !empty($address_infos['vat_number'])
            && $address_infos['id_country'] != Configuration::get('VATNUMBER_COUNTRY')
            && Configuration::get('VATNUMBER_MANAGEMENT')) {
                $usetax = false;
        }
            
        if (is_null($id_customer) && Validate::isLoadedObject($context->customer)) {
            $id_customer = $context->customer->id;
        }
        
        $return = Product::priceCalculation(
            $context->shop->id,
            $id_product,
            $id_product_attribute,
            $id_country,
            $id_state,
            $zipcode,
            $id_currency,
            $id_group,
            $quantity,
            $usetax,
            $decimals,
            $only_reduc,
            $usereduc,
            $with_ecotax,
            $specific_price_output,
            $use_group_reduction,
            $id_customer,
            $use_customer_price,
            $id_cart,
            $cart_quantity,
            $id_configurator
        );
        
        return $return ;
    }
    
}