<?php
/**
 * The AuthorizeNet PHP SDK. Include this file in your project.
 *
 * @package AuthorizeNet
 */

require_once 'lib/AuthorizeNet/shared/AuthorizeNetRequest.php';
require_once 'lib/AuthorizeNet/shared/AuthorizeNetTypes.php';
require_once 'lib/AuthorizeNet/shared/AuthorizeNetXMLResponse.php';
require_once 'lib/AuthorizeNet/shared/AuthorizeNetResponse.php';
require_once 'lib/AuthorizeNet/shared/AuthorizeNetException.php';

if (class_exists("SoapClient")) {
    require_once 'lib/AuthorizeNet/AuthorizeNetSOAP.php';
}

class Qs_AuthorizeNet
{
    const AUTHORIZE_OPTION_NAME_PREFIX = 'AUTHORIZENET_';
    const DEFAULT_API_PROVIDER = 'aim';

    const ERROR_RESPONSE_OBJECT_IS_WRONG = 0;
    const ERROR = 1;

    protected static $_optionsMap = array('API_LOGIN_ID', 'TRANSACTION_KEY', 'SANDBOX', 'LOG_FILE', 'TEST_REQUEST');

    public static $errorMap = array(
        self::ERROR_RESPONSE_OBJECT_IS_WRONG => 'Response object is wrong',
        self::ERROR                          => 'Authorize.net return error: %s'
    );

    public static function getInstance($options, $api = null)
    {
        if (empty($api)) {
            $api = self::DEFAULT_API_PROVIDER;
        }
        self::_setOptions($options);
        $class = 'AuthorizeNet' . strtoupper($api);
        $filePath = BASE_PATH . '/' . 'lib/AuthorizeNet/' . $class . '.php';
        if (!file_exists($filePath)) {
            throw new Qs_Exception("Cannot open file: $filePath");
        }
        require_once $filePath;
        return new $class();
    }

    protected static function _setOptions(array $options)
    {
        foreach (self::$_optionsMap as $option) {
            if (!array_key_exists($option, $options)) {
                throw new Qs_Exception('Set authorize option ' . $option . ' (_lib/app-config/checkout.php).');
            }
            define(self::AUTHORIZE_OPTION_NAME_PREFIX . $option, $options[$option]);
        }
    }
}