class Product_ControllerDecorator extends Extension {

    function extraStatics() {
        return array(
            'allowed_actions' => array('AddMultipleToCartForm', 'addmultiple')
        );
    }

    /**
   * Add to cart form for adding Multiple Products, to show on the Product page.
   *
   * @param Int $quantity
   * @param String $redirectURL A URL to redirect to after the product is added, useful to redirect to cart page
   */
    function AddMultipleToCartForm($quantity = null, $redirectURL = null) {
        $product = $this->owner->data();

        $fields = new FieldSet(
            new HiddenField('ProductClass', 'ProductClass', $product->ClassName),
            new HiddenField('ProductID', 'ProductID', $product->ID),
            //new HiddenField('ProductVariationID', 'ProductVariationID', 0),
            new HiddenField('Redirect', 'Redirect', $redirectURL)
        );

        // Get a list of available variations for this product
        $variations = $product->Variations();

        if ($variations && $variations->exists()) {
            foreach ($variations as $variation) {
                $variationOptions = $variation->Options()->map('AttributeID', 'ID');
                if ($variation->isEnabled()) {
                    if ($variation->InStock()) {
                        $variationField[$variation->ID] = new FieldGroup();
                        $variationField[$variation->ID]->addExtraClass('ProductVariation_' . $variation->ID);
                        foreach ($variation->Options() as $option) {
                            $variationField[$variation->ID]->push(new HiddenField('Options[' . $variation->ID . '][' . $option->AttributeID . ']', '', $option->ID, $quantity));
                        }
                        $variationField[$variation->ID]->push(new NumericField('Quantity[' . $variation->ID . ']', '<div class="item-title">' . $product->Title . '</div><div class="item-options">' . $variation->SummaryOfOptions() . '</div><div class="item-price">'. ($variation->NonSpecialPrice > 0 ? '<span class="price-was"><strong>SALE!</strong> WAS: <strike>$'. $variation->NonSpecialPrice . '</strike><br /></span>NOW: ' : '') . $variation->Amount->Nice() . '</div>', $quantity));
                        $fields->push($variationField[$variation->ID]);
                    } else {
                        // Product is not in stock
                        $variationField[$variation->ID] = new FieldGroup();
                        $variationField[$variation->ID]->addExtraClass('ProductVariation_' . $variation->ID);
                        $variationField[$variation->ID]->addExtraClass('not-in-stock');
                        foreach ($variation->Options() as $option) {
                            $variationField[$variation->ID]->push(new HiddenField('Options[' . $variation->ID . '][' . $option->AttributeID . ']', '', $option->ID, $quantity));
                        }
                        $variationField[$variation->ID]->push(new LiteralField('Quantity[' . $variation->ID . ']', '<div class="item-title">' . $product->Title . '</div><div class="item-options">' . $variation->SummaryOfOptions() . '</div><div class="item-not-in-stock">Sold Out!</div><div class="item-price">'. ($variation->NonSpecialPrice > 0 ? '<span class="price-was"><strong>SALE!</strong> WAS: <strike>$'. $variation->NonSpecialPrice . '</strike><br /></span>NOW: ' : '') . $variation->Amount->Nice() . '</div>', $quantity));
                        $fields->push($variationField[$variation->ID]);
                    }
                }
            }
        } else {
            if ($product->InStock()) {
                $variationField = new FieldGroup();
                $variationField->push(new NumericField('Quantity[]', '<div class="item-title">' . $product->Title . '</div><div class="item-price">'. ($product->NonSpecialPrice > 0 ? '<span class="price-was"><strong>SALE!</strong> WAS: <strike>$'. $product->NonSpecialPrice . '</strike><br /></span>NOW: ' : '') . $product->Amount->Nice() . '</div>', $quantity));
                $fields->push($variationField);
            } else {
                // Variation is not in stock
                $variationField = new FieldGroup();
                $variationField->addExtraClass('not-in-stock');
                $variationField->push(new LiteralField('Quantity[]', '<div class="item-title">' . $product->Title . '</div><div class="item-not-in-stock">Sold Out!</div><div class="item-price">'. ($product->NonSpecialPrice > 0 ? '<span class="price-was"><strong>SALE!</strong> WAS: <strike>$'. $product->NonSpecialPrice . '</strike><br /></span>NOW: ' : '') . $product->Amount->Nice() . '</div>', $quantity));
                $fields->push($variationField);
            }
        }

        $actions = new FieldSet(
            new FormAction('addmultiple', 'Add To Cart')
        );
        $validator = new RequiredFields();
        $validator->setJavascriptValidationHandler('none');

        //Disable add to cart function when product out of stock
        if (!$product->InStock()) {
        //  $fields = new FieldSet(new LiteralField('ProductNotInStock', '<p class="message">Sorry this product is currently out of stock. Please check back soon.</p>'));
            $actions = new FieldSet();
        }

        $controller = Controller::curr();
        $form = new Form($controller, 'AddMultipleToCartForm', $fields, $actions, $validator);
        $form->disableSecurityToken();

        return $form;
    }

    /**
     * Add an item to the current cart ({@link Order}) for a given {@link Product}.
     *
     * @param Array $data
     * @param Form $form
     */
      function addmultiple(Array $data, Form $form) {
          debug::dump('submitting');die();

        $request = $request = $this->owner->getRequest();
        $product = DataObject::get_by_id($request->requestVar('ProductClass'), $request->requestVar('ProductID'));

          debug::dump($product);die();

        $products = 0;
        $productAdded = false;
        foreach ($data['Quantity'] as $key => $quantity) {
            if (isset($data['Options'][$key])) {
                if ($quantity > 0) {
                    $productVariations = new DataObjectSet();
                    $options = $data['Options'][$key];
                    $variations = $product->Variations();

                    if ($variations && $variations->exists()) {
                        foreach ($variations as $variation) {

                          $variationOptions = $variation->Options()->map('AttributeID', 'ID');
                          if ($options == $variationOptions && $variation->isEnabled()) {
                            $productVariations->push($variation);
                          }
                        }
                    }

                    CartControllerExtension::get_current_order()->addItem($product, $quantity, $productVariations);
                    $productAdded = true;
                }
            } else {
                if ($quantity > 0) {
                    CartControllerExtension::get_current_order()->addItem($product, $quantity);
                    $productAdded = true;
                }
            }
        }

        $redirectURL = $request->requestVar('Redirect');
        if (!$productAdded) {
            $message = 'You must enter a quantity for at least one product to add to your cart.';
            $form->sessionMessage(
                $message,
                'bad'
            );
            if ($redirectURL && Director::is_site_url($redirectURL)) Director::redirect(Director::absoluteURL(Director::baseURL() . $redirectURL));
            else Director::redirectBack();
            return false;
        } else {
            //Show feedback if redirecting back to the Product page
            if (!$request->requestVar('Redirect')) {
              $cartPage = DataObject::get_one('CartPage');
              $message = ($cartPage)
                ? 'These products were added to <a href="' . $cartPage->Link() . '">your cart</a>.'
                : "The product was added to your cart.";
              $form->sessionMessage(
                    $message,
                    'good'
                );
            }
            $redirectURL = $request->requestVar('Redirect');
            if ($redirectURL && Director::is_site_url($redirectURL)) Director::redirect(Director::absoluteURL(Director::baseURL() . $redirectURL));
            else Director::redirectBack();
          }
      }
}