<?php
include(dirname(__FILE__).'/../../config/config.inc.php');
include(dirname(__FILE__).'/../../init.php');

if($cookie->isLogged() && Configuration::get('INVITE_CREDIT_ENABLE') == 1) {
	include_once(dirname(__FILE__).'/invite.php');

	// si présent dans les exclusions
	$sql = 'SELECT id_customer FROM `'._DB_PREFIX_.'customer_credits` WHERE id_customer  = ' .(int) $cookie->id_customer;
	if(Db::getInstance()->getValue($sql)){	
		Tools::redirectLink(Link::getPageLink('order.php', TRUE));
	}

	$invite = new Invite();

	$total = $cart->getOrderTotal(TRUE, Cart::ONLY_PRODUCTS) + $cart->getOrderTotal(TRUE, Cart::ONLY_DISCOUNTS);

	$credit = $invite->get_credit_value((int) $cookie->id_customer);
	if($credit > $total) {
		$invite->set_credit_value((int) $cookie->id_customer, $credit - $total);
		$credit = $total;
	} else {
		$invite->set_credit_value((int) $cookie->id_customer, 0);
	}

	$discount = new Discount();
	$discount->id_customer = (int) $cookie->id_customer;
	$discount->id_discount_type = 2;
	$discount->cumulable = 1;
	$discount->cumulable_reduction = 1;
	$discount->minimal = 0;
	$discount->cart_display = 1;
	$discount->active = 1;
	$discount->quantity = 1;
	$discount->quantity_per_user = 1;
	$discount->date_from = date('Y-m-d H:i:s');
	$discount->date_to = date('Y-m-d H:i:s', time() + 31536000); // + 1 year

	$name = Tools::passwdGen(8);
	if(Discount::discountExists(Configuration::get('INVITE_DISCOUNT_PREFIX').$name)) {
		// It should not happen, but who knows...
		$name = Tools::passwdGen(8);
	}
	$discount->name = Configuration::get('INVITE_DISCOUNT_PREFIX').$name;

	$discount->description = Configuration::getInt('INVITE_DISCOUNT_DESCRIPTION');
	$discount->id_currency = 1;
	$discount->value = $credit;

	$discount->add();

	$cart->addDiscount($discount->id);
}

Tools::redirectLink(Link::getPageLink('order.php', TRUE));