<?php

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

    protected $_formType = 'simple';
    protected $_showAdditionalFields = false;

    public function setOptions(array $options)
    {
        if (isset($options['formType'])) {
            $this->_formType = $options['formType'];
            if ($this->_formType === 'cart') {
                $this->_controllerAction = 'updateNumbers';
            } else if ($this->_formType === 'simple') {
                $this->_controllerAction = 'getAddToCartForm';
            }
        }
        if (isset($options['showAdditionalFields']) && $options['showAdditionalFields']) {
            $this->_showAdditionalFields = true;
        }
        return parent::setOptions($options);
    }

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

        if ($this->_formType !== 'simple') {
            if ($this->_formType === 'full') {
                $this->addElement(
                    'text',
                    'quantity',
                    array('label' => 'Quantity', 'required' => true, 'precision' => 0)
                );

                $this->getElement('quantity')->addValidator('Int', true);

                $greaterThan = new Zend_Validate_GreaterThan(0);
                $greaterThan->setMessage(
                    'Quantity must be greater than zero',
                    Zend_Validate_GreaterThan::NOT_GREATER
                );
                $this->getElement('quantity')->addValidator($greaterThan, false);
            }
            if ($this->_showAdditionalFields) {
                $this->addElement('text', 'numbersText', array(
                    'label'       => 'Numbers',
                    'description' => 'Enter a list of numbers separated by comma',
                ));
                $this->getElement('numbersText')->getDecorator('Label')->setOption('class', 'required');

                $acceptExtensions = array('xls', 'xlsx', 'pdf', 'csv');
                $this->addElement('extendedFile', 'numbersFile', array(
                    'label'       => 'Numbers',
                    'description' => 'Permitted file extensions: ".' . implode('", ".', $acceptExtensions) . '"',
                ));
                $this->getElement('numbersFile')->addValidator(
                    new Zend_Validate_File_Extension($acceptExtensions), true
                );
                $this->getElement('numbersFile')->getDecorator('Label')->setOption('class', 'required');

                if (!$this->_getData('numbersText') && !isset($_FILES['numbersFile'])) {
                    $this->getElement('numbersText')->setRequired(true);
                }
            }
        }
        return $this;
    }

    protected function _initButtons()
    {
        $this->addElement(
            'submit',
            'btnSubmit',
            array(
                'label'      => $this->_formType !== 'cart' ? 'Add To Cart' : 'Update',
                'attribs'    => array('class' => 'btn btn-primary')
            )
        );
        return $this;
    }
}