<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * 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@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Service

 * @subpackage Amazon

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Query.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @see Zend_Service_Amazon

 */

require_once 'Zend/Service/Amazon.php';

/**

 * @category   Zend

 * @package    Zend_Service

 * @subpackage Amazon

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Service_Amazon_Query extends Zend_Service_Amazon

{

    /**

     * Search parameters

     *

     * @var array

     */

    protected $_search = array();

    /**

     * Search index

     *

     * @var string

     */

    protected $_searchIndex = null;

    /**

     * Prepares query parameters

     *

     * @param  string $method

     * @param  array  $args

     * @throws Zend_Service_Exception

     * @return Zend_Service_Amazon_Query Provides a fluent interface

     */

    public function __call($method, $args)

    {

        if (strtolower($method) === 'asin') {

            $this->_searchIndex = 'asin';

            $this->_search['ItemId'] = $args[0];

            return $this;

        }

        if (strtolower($method) === 'category') {

            $this->_searchIndex = $args[0];

            $this->_search['SearchIndex'] = $args[0];

        } else if (isset($this->_search['SearchIndex']) || $this->_searchIndex !== null || $this->_searchIndex === 'asin') {

            $this->_search[$method] = $args[0];

        } else {

            /**

             * @see Zend_Service_Exception

             */

            require_once 'Zend/Service/Exception.php';

            throw new Zend_Service_Exception('You must set a category before setting the search parameters');

        }

        return $this;

    }

    /**

     * Search using the prepared query

     *

     * @return Zend_Service_Amazon_Item|Zend_Service_Amazon_ResultSet

     */

    public function search()

    {

        if ($this->_searchIndex === 'asin') {

            return $this->itemLookup($this->_search['ItemId'], $this->_search);

        }

        return $this->itemSearch($this->_search);

    }

}