<?php
/**
 * Magento Enterprise Edition
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Magento Enterprise Edition License
 * that is bundled with this package in the file LICENSE_EE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.magentocommerce.com/license/enterprise-edition
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Enterprise
 * @package     Enterprise_Rma
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://www.magentocommerce.com/license/enterprise-edition
 */


/**
 * RMA Helper
 *
 * @category    Enterprise
 * @package     Enterprise_Rma
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Enterprise_Rma_Helper_Eav extends Enterprise_Eav_Helper_Data
{
    /**
     * complicated array of select-typed attribute values for all stores
     *
     * @var array
     */
    protected $_attributeOptionValues = array();

    /**
     * Default attribute entity type code
     *
     * @return string
     */
    protected function _getEntityTypeCode()
    {
        return 'rma_item';
    }

    /**
     * Return data array of RMA item attribute Input Types
     *
     * @param string|null $inputType
     * @return array
     */
    public function getAttributeInputTypes($inputType = null)
    {
        $inputTypes = array(
            'text' => array(
                'label'             => $this->__('Text Field'),
                'manage_options'    => false,
                'validate_types'    => array(
                    'min_text_length',
                    'max_text_length',
                ),
                'validate_filters'  => array(
                    'alphanumeric',
                    'numeric',
                    'alpha',
                    'url',
                    'email',
                ),
                'filter_types'      => array(
                    'striptags',
                    'escapehtml'
                ),
                'backend_type'      => 'varchar',
                'default_value'     => 'text',
            ),
            'textarea' => array(
                'label'             => $this->__('Text Area'),
                'manage_options'    => false,
                'validate_types'    => array(
                    'min_text_length',
                    'max_text_length',
                ),
                'validate_filters'  => array(),
                'filter_types'      => array(
                    'striptags',
                    'escapehtml'
                ),
                'backend_type'      => 'text',
                'default_value'     => 'textarea',
            ),
            'select' => array(
                'label'             => $this->__('Dropdown'),
                'manage_options'    => true,
                'option_default'    => 'radio',
                'validate_types'    => array(),
                'validate_filters'  => array(),
                'filter_types'      => array(),
                'source_model'      => 'eav/entity_attribute_source_table',
                'backend_type'      => 'int',
                'default_value'     => false,
            ),
            'image' => array(
                'label'             => $this->__('Image File'),
                'manage_options'    => false,
                'validate_types'    => array(
                    'max_file_size',
                    'max_image_width',
                    'max_image_heght',
                ),
                'validate_filters'  => array(),
                'filter_types'      => array(),
                'backend_type'      => 'varchar',
                'default_value'     => false,
            ),
        );

        if (is_null($inputType)) {
            return $inputTypes;
        } else if (isset($inputTypes[$inputType])) {
            return $inputTypes[$inputType];
        }
        return array();
    }

    /**
     * Get array of select-typed attribute values depending by store
     *
     * Uses internal protected method, which must use data from protected variable
     *
     * @param null|int|Mage_Core_Model_Store $storeId
     * @param bool $useDefaultValue
     * @return array
     */
    public function getAttributeOptionStringValues($storeId = null, $useDefaultValue = true)
    {
        $values = $this->_getAttributeOptionValues($storeId, $useDefaultValue);
        $return = array();
        foreach ($values as $temValue) {
            foreach ($temValue as $value) {
                $return[$value['option_id']] = $value['value'];
            }
        }
        return $return;
    }

    /**
     * Get array of key=>value pair for passed attribute code depending by store
     *
     * Uses internal protected method, which must use data from protected variable
     *
     * @param string $attributeCode
     * @param null|int|Mage_Core_Model_Store $storeId
     * @param bool $useDefaultValue
     * @return array
     */
    public function getAttributeOptionValues($attributeCode, $storeId = null, $useDefaultValue = true)
    {
        $values = $this->_getAttributeOptionValues($storeId, $useDefaultValue);
        $return = array();
        if (isset($values[$attributeCode])) {
            foreach ($values[$attributeCode] as $key => $value) {
                $return[$key] = $value['value'];
            }
        }
        return $return;
    }

    /**
     * Get complicated array of select-typed attribute values depending by store
     *
     * @param null|int|Mage_Core_Model_Store $storeId
     * @param bool $useDefaultValue
     * @return array
     */
    protected function _getAttributeOptionValues($storeId = null, $useDefaultValue = true)
    {
        if (is_null($storeId)) {
            $storeId = Mage::app()->getStore()->getId();
        } elseif ($storeId instanceof Mage_Core_Model_Store) {
            $storeId = $storeId->getId();
        }

        if (!isset($this->_attributeOptionValues[$storeId])) {
            $optionCollection = Mage::getResourceModel('eav/entity_attribute_option_collection')
                ->setStoreFilter($storeId, $useDefaultValue);

            $optionCollection
                ->getSelect()
                ->join(
                    array('ea' => Mage::getSingleton('core/resource')->getTableName('eav/attribute')),
                    'main_table.attribute_id = ea.attribute_id',
                    array('attribute_code' => 'ea.attribute_code'))
                ->join(
                    array('eat' => Mage::getSingleton('core/resource')->getTableName('eav/entity_type')),
                    'ea.entity_type_id = eat.entity_type_id',
                    array(''))
                ->where('eat.entity_type_code = ?', $this->_getEntityTypeCode());
            $value = array();
            foreach($optionCollection as $option){
                $value[$option->getAttributeCode()][$option->getOptionId()] = $option->getData();
            }
            $this->_attributeOptionValues[$storeId] = $value;
        }
        return $this->_attributeOptionValues[$storeId];
    }
}