<?php

class App_ECommerce_Checkout_Form_Service_Shipping extends App_ECommerce_Checkout_Form_Service_Abstract
{
    protected $_legend = 'Shipping Method';

    protected function _initElements()
    {
        $cart = new App_ECommerce_Cart_Obj();
        if ($cart->hasShippableItems()) {
            $this->_initShippingTypes();
        } else {
            /* Інакше виводимо повідомлення. */
            $displayGroup = new Zend_Form_DisplayGroup(
                'shippingMethods',
                $this->getPluginLoader(self::DECORATOR),
                array('form' => $this)
            );
            $note = new Qs_Form_Element_Static(
                'shippingNote',
                array('value' => $this->getDoc()->getSmarty()->fetch('ECommerce/Checkout/noShippingMessage.tpl'))
            );
            $displayGroup->addElement($note);
            $this->_addDisplayGroupObject($displayGroup);
        }

        return $this;
    }

    protected function _initShippingTypes()
    {
        $shippingTypes = $this->getShippingType();

        if (count($shippingTypes) == 1) {
            $shippingType = current(array_keys($shippingTypes));
            $this->addElement(
                'static',
                $shippingType . 'Title',
                array('value' => ucfirst(current($shippingTypes)))
            );
            $this->addElement('hidden', 'type', array('value' => $shippingType, 'required' => true));
            $this->addDisplayGroup(array('type'), 'typeGroup');
            $this->_addServiceType('shipping', $shippingType);
        } else {
            foreach ($shippingTypes as $key => &$title) {
                $title = '<span class="' . htmlspecialchars($key) . '">' . htmlspecialchars($title) . '</span>';
            }
            $this->addElement('radio', 'type', array('multiOptions' => $shippingTypes, 'required' => true));
            $this->getElement('type')->setAttrib('escape', false);
            $this->addDisplayGroup(array('type'), 'typeGroup');

            foreach (array_keys($shippingTypes) as $type) {
                $this->_addServiceType('shipping', $type, array('class' => 'shipping'));
            }
        }

        $this->addElement('static', 'rate', array('label' => 'Shipping Rate:'));
        $this->addDisplayGroup(array('rate'), 'rateGroup');
        $this->getDisplayGroup('rateGroup')->getDecorator('DtDdWrapper')->setDdAttrib('class', 'price');

        $shippingData = $this->_getData('serviceShipping');
        if (null !== $shippingData && array_key_exists('type', $shippingData)) {
            if ($this->getElement($shippingData['type'] . 'Method')) {
                $this->getElement($shippingData['type'] . 'Method')->setRequired();
            }

            if (null !== ($group = $this->getDisplayGroup($shippingData['type'] . 'Methods'))) {
                $group->setAttrib('class', 'shipping');
            }
        }
        return $this;
    }

    /**
     * Return type for shipping
     *
     * @return array|bool
     */
    public function getShippingType()
    {
        $types = false;
        foreach ($this->_getConfig('shipping') as $key => $type) {
            if (is_int($key)) {
                $title = ucfirst($type);
            } else {
                $title = $type;
                $type = $key;
            }
            $types[$type] = $title;
        }
        return $types;
    }

    public function reinitData($data)
    {
        if (array_key_exists('serviceShipping', $data) && array_key_exists('type', $data['serviceShipping'])) {
            if (null !== ($group = $this->getDisplayGroup($data['serviceShipping']['type'] . 'Methods'))) {
                $group->setAttrib('class', 'shipping');
            }
        }
        return $this;
    }

}