<?php

/**

 * 2007-2014 [PagSeguro Internet Ltda.]

 *

 * NOTICE OF LICENSE

 *

 *Licensed under the Apache License, Version 2.0 (the "License");

 *you may not use this file except in compliance with the License.

 *You may obtain a copy of the License at

 *

 *http://www.apache.org/licenses/LICENSE-2.0

 *

 *Unless required by applicable law or agreed to in writing, software

 *distributed under the License is distributed on an "AS IS" BASIS,

 *WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 *See the License for the specific language governing permissions and

 *limitations under the License.

 *

 *  @author    PagSeguro Internet Ltda.

 *  @copyright 2007-2014 PagSeguro Internet Ltda.

 *  @license   http://www.apache.org/licenses/LICENSE-2.0

 */



/***

 * Encapsulates web service calls regarding PagSeguro authorization request

 */

class PagSeguroAuthorizationService

{



    /***

     *

     */

    const SERVICE_NAME = 'authorizationService';



    /***

     * @param PagSeguroConnectionData $connectionData

     * @return string

     */

    private static function buildAuthorizationUrl(PagSeguroConnectionData $connectionData)

    {

        return $connectionData->getServiceUrl() . $connectionData->getResource('requestUrl') . '?' .

            $connectionData->getCredentialsUrlQuery();

    }



    /***

     * @param PagSeguroConnectionData $connectionData

     * @param string $code

     * @return string

     */

    private static function buildAuthorizationApprovalUrl(PagSeguroConnectionData $connectionData, $code)

    {

        return $connectionData->getBaseUrl() . $connectionData->getResource('approvalUrl') . '?code=' . $code;

    }



    /***

     * @param PagSeguroCredentials $credentials

     * @param PagSeguroAuthorizationRequest $authorizationRequest

     * @param bool $onlyAuthorizationCode

     * @return bool|string

     * @throws Exception

     */

    public static function createAuthorizationRequest(

        PagSeguroCredentials $credentials,

        PagSeguroAuthorizationRequest $authorizationRequest,

        $onlyAuthorizationCode

    ) {



        LogPagSeguro::info("PagSeguroAuthorizationService.Register(" . $authorizationRequest->toString() . ") - begin");



        $connectionData = new PagSeguroConnectionData($credentials, self::SERVICE_NAME);



        try {

            $connection = new PagSeguroHttpConnection();

            $connection->post(

                self::buildAuthorizationUrl($connectionData),

                PagSeguroAuthorizationParser::getData($authorizationRequest),

                $connectionData->getServiceTimeout(),

                $connectionData->getCharset()

            );



            return self::authorizationReturn(

                $connection,

                $authorizationRequest,

                $connectionData,

                $onlyAuthorizationCode

            );



        } catch (PagSeguroServiceException $err) {

            throw $err;

        } catch (Exception $err) {

            LogPagSeguro::error("Exception: " . $err->getMessage());

            throw $err;

        }

    }



    /**

     * @param PagSeguroHttpConnection $connection

     * @param PagSeguroAuthorizationRequest $authorizationRequest

     * @param PagSeguroConnectionData $connectionData

     * @param null $onlyAuthorizationCode

     * @return bool|mixed|string

     * @throws PagSeguroServiceException

     */

    private static function authorizationReturn(

        PagSeguroHttpConnection $connection,

        PagSeguroAuthorizationRequest $authorizationRequest,

        PagSeguroConnectionData $connectionData,

        $onlyAuthorizationCode = null

    ) {

        $httpStatus = new PagSeguroHttpStatus($connection->getStatus());



        switch ($httpStatus->getType()) {

            case 'OK':

                $authorization = PagSeguroAuthorizationParser::readSuccessXml($connection->getResponse());



                if ($onlyAuthorizationCode) {

                    $authorizationReturn = $authorization->getCode();

                } else {

                    $authorizationReturn = self::buildAuthorizationApprovalUrl(

                        $connectionData,

                        $authorization->getCode()

                    );

                }

                LogPagSeguro::info(

                    "PagSeguroAuthorizationService.Register(" . $authorizationRequest->toString() . ") - end {1}" .

                    $authorization->getCode()

                );

                break;

            case 'BAD_REQUEST':

                $errors = PagSeguroPaymentParser::readErrors($connection->getResponse());

                $err = new PagSeguroServiceException($httpStatus, $errors);

                LogPagSeguro::error(

                    "PagSeguroAuthorizationService.Register(" . $authorizationRequest->toString() . ") - error " .

                    $err->getOneLineMessage()

                );

                throw $err;

                break;

            default:

                $err = new PagSeguroServiceException($httpStatus);

                LogPagSeguro::error(

                    "PagSeguroAuthorizationService.Register(" . $authorizationRequest->toString() . ") - error " .

                    $err->getOneLineMessage()

                );

                throw $err;

                break;

        }

        return (isset($authorizationReturn) ? $authorizationReturn : false);

    }

}

