<?php

class App_ECommerce_Cart_Form_AddItem extends Qs_Form
{
    protected $_controllerAction = 'addItem';
    protected $_listForm = false;

    /**
     * @param bool $value
     * @return $this
     */
    public function setListForm($value)
    {
        $this->_listForm = $value;
        return $this;
    }

    protected function _initElements()
    {
        $this->addElement('hidden', 'productId');

        if ($this->_listForm) {
            $this->addElement('hidden', 'quantity', ['value' => 1]);
        } else {
            $this->addElement(
                'numeric',
                'quantity',
                ['label' => 'Quantity:', 'required' => true, 'precision' => 0, 'class' => 'quantity']
            );
            $quantity = $this->getElement('quantity');

            $quantity->addValidator('Int');

            $greaterThan = new Zend_Validate_GreaterThan(0);
            $greaterThan->setMessage(
                'Quantity must be greater than zero',
                Zend_Validate_GreaterThan::NOT_GREATER
            );
            $quantity->addValidator($greaterThan, false);

            $quantity->getDecorator('Label')->setOption('class', 'quantity_label');
        }

        return $this;
    }

    protected function _initButtons()
    {
        $this->addElement(
            'submit',
            'btnSubmit',
            [
                'label'   => 'Add To Cart',
                'attribs' => ['class' => 'btn btn-primary'],
            ]
        );
        return $this;
    }

    public function render(Zend_View_Interface $view = null)
    {
        $this->getDoc()->addScript('js/app/ECommerce/product/add-to-cart.js');
        return parent::render($view);
    }
}