<?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 payment requests

 */

class PagSeguroDirectPaymentService

{



    /**

    * @var $connectionData

    */

    private static $connectionData;



    /***

     *

     */

    const SERVICE_NAME = 'directPaymentService';



    /***

     * @param PagSeguroConnectionData $connectionData

     * @return string

     */

    private static function buildCheckoutRequestUrl(PagSeguroConnectionData $connectionData)

    {

        return $connectionData->getServiceUrl() . '/?' . $connectionData->getCredentialsUrlQuery();

    }



    /***

     * @param PagSeguroConnectionData $connectionData

     * @param $code

     * @return string

     */

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

    {

        return $connectionData->getServiceUrl() . '/' .$code . '/?' . $connectionData->getCredentialsUrlQuery();

    }



    /***

     * checkoutRequest is the actual implementation of the Register method

     * This separation serves as test hook to validate the Uri

     * against the code returned by the service

     * @param PagSeguroCredentials $credentials

     * @param PagSeguroDirectrequest $request

     * @return bool|string

     * @throws Exception|PagSeguroServiceException

     * @throws Exception

     */

    public static function checkoutRequest(

        PagSeguroCredentials $credentials,

        PagSeguroDirectPaymentRequest $request

    ) {



        LogPagSeguro::info("PagSeguroDirectPaymentService.Register(" . $request->toString() . ") - begin");



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



        try {

            $connection = new PagSeguroHttpConnection();

            $connection->post(

                self::buildCheckoutRequestUrl($connectionData),

                PagSeguroDirectPaymentParser::getData($request),

                $connectionData->getServiceTimeout(),

                $connectionData->getCharset()

            );



            return self::getResult($connection, $request);



        } catch (PagSeguroServiceException $error) {

            throw $error;

        } catch (Exception $error) {

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

            throw $error;

        }

    }



    /**

     * @param $connection

     * @param PagSeguroDirectPaymentRequest $request

     * @return null|PagSeguroParserData

     * @throws PagSeguroServiceException

     */

    private static function getResult($connection, PagSeguroDirectPaymentRequest $request)

    {

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



        switch ($httpStatus->getType()) {

            case 'OK':

                $paymentReturn = PagSeguroTransactionParser::readTransaction($connection->getResponse());



                LogPagSeguro::info(

                    "PagSeguroDirectPaymentService.Register(" . $request->toString() . ") - end {1}" .

                    $paymentReturn->getCode()

                );

                break;

            case 'BAD_REQUEST':

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

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

                LogPagSeguro::error(

                    "PagSeguroDirectPaymentService.Register(" . $request->toString() . ") - error " .

                    $error->getOneLineMessage()

                );

                throw $error;

                break;

            default:

                $error = new PagSeguroServiceException($httpStatus);

                LogPagSeguro::error(

                    "PagSeguroDirectPaymentService.Register(" . $request->toString() . ") - error " .

                    $error->getOneLineMessage()

                );

                throw $error;

                break;

        }

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

    }

}

