<?php

abstract class App_ECommerce_Checkout_Form_Service_Abstract extends Qs_Form_SubForm
{
    /**
     * @var Zend_Config
     */
    protected $_config = null;

    /**
     * Add type for service
     *
     * @param string $type
     * @param string $method
     * @param array $attribs
     * @return App_ECommerce_Checkout_Form_Service_Abstract
     * @throws Qs_Form_Exception
     */
    protected function _addServiceType($type, $method, $attribs = array())
    {
        $className = 'App_ECommerce_Checkout_Form_Service_Type_' . ucfirst($type) . '_' . ucfirst($method);
        if (class_exists($className)) {
            /** @var App_ECommerce_Checkout_Form_Service_Type_Abstract $classObject */
            $classObject = new $className(
                $method . 'Methods',
                $this->getPluginLoader(self::DECORATOR),
                array('form' => $this)
            );

            if (!$classObject instanceof App_ECommerce_Checkout_Form_Service_Type_Abstract) {
                throw new Qs_Form_Exception($className . ' must be instance of App_ECommerce_Checkout_Form_Service_Abstract');
            }

            $classObject->addAttribs($attribs);
            foreach ($classObject->getElements() as $element) {
                /** @var Zend_Form_Element $element */
                $element->setBelongsTo($method);
            }

            $this->_addDisplayGroupObject($classObject);
        }

        return $this;
    }

    /**
     * Return config object for checkout
     *
     * @param string $section
     * @return Zend_Config
     */
    protected function _getConfig($section)
    {
        if ($this->_config === null) {
            $this->_config = Qs_Application::getConfig('ECommerce_Checkout');
        }

        $sectionConfig = $this->_config->get($section);
        if ($sectionConfig !== false) {
            $sectionConfig = $sectionConfig->toArray();
        }

        return $sectionConfig;
    }

    public function reinitData($data)
    {
        return $this;
    }
}