<?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    André da Silva Medeiros <andre@swdesign.net.br>

 *  @copyright 2007-2014 PagSeguro Internet Ltda.

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

 */



/***

 * Encapsulates web service calls regarding PagSeguro payment requests

 */

class PagSeguroPreApprovalService

{



    /***

     *

     */

    const SERVICE_NAME = 'preApproval';

    /**

     * @var

     */

    private static $service;

    /**

     * @var

     */

    private static $connectionData;



    /***

     * @param PagSeguroConnectionData $connectionData

     * @return string

     */

    private static function buildPreApprovalUrl(PagSeguroConnectionData $connectionData)

    {

        return $connectionData->getServiceUrl();

    }



    /***

     * @param PagSeguroConnectionData $connectionData

     * @param $code

     * @return string

     */

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

    {

        return $connectionData->getPaymentUrl() . $connectionData->getResource('requestUrl') . "?code=$code";

    }



    /***

     * @param PagSeguroConnectionData $connectionData

     * @param $code

     * @return string

     */

    private static function buildPreApprovalPaymentUrl(PagSeguroConnectionData $connectionData)

    {

        return $connectionData->getWebserviceUrl() . $connectionData->getResource('paymentUrl');

    }



    /***

     * @param PagSeguroConnectionData $connectionData

     * @param $code

     * @return string

     */

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

    {

        $credentialsArray = $connectionData->getCredentials()->getAttributesMap();

        return $connectionData->getWebserviceUrl() . $connectionData->getResource('cancelUrl') .

            "$code?".$connectionData->getCredentialsUrlQuery();

    }



    /**

     * @param PagSeguroCredentials $credentials

     * @param PagSeguroPaymentRequest $request

     * @return null|PagSeguroParserData

     * @throws Exception

     * @throws PagSeguroServiceException

     */

    public static function createPreApprovalRequest(

        PagSeguroCredentials $credentials,

        PagSeguroPreApprovalRequest $request

    ) {



        LogPagSeguro::info(

            "PagSeguroPreApprovalService.PreApprovalRequest(" .

            $request->toString() . ") - begin"

        );



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

        $data = array_merge(

            self::$connectionData->getCredentials()->getAttributesMap(),

            PagSeguroPreApprovalParser::getData($request)

        );



        try {

            $connection = new PagSeguroHttpConnection();

            $connection->post(

                self::buildPreApprovalUrl(self::$connectionData),

                $data,

                self::$connectionData->getServiceTimeout(),

                self::$connectionData->getCharset()

            );



            self::$service = "PreApprovalRequest";

            return self::getResult($connection);



        } catch (PagSeguroServiceException $err) {

            //Logging

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

            //Exception

            throw $err;



        } catch (Exception $err) {

            //Logging

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

            //Exception

            throw $err;

        }



    }



    /**

     * @param PagSeguroCredentials $credentials

     * @param PagSeguroPreApprovalCharge $charge

     * @return null|PagSeguroParserData

     * @throws Exception

     * @throws PagSeguroServiceException

     */

    public static function paymentCharge(

        PagSeguroCredentials $credentials,

        PagSeguroPreApprovalCharge $charge

    ) {



        LogPagSeguro::info(

            "PagSeguroPreApprovalService.PreApprovalPaymentCharge(" .

            $charge->toString() . ") - begin"

        );



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

        $data = array_merge(

            self::$connectionData->getCredentials()->getAttributesMap(),

            PagSeguroPreApprovalParser::getCharge($charge)

        );



        try {

            $connection = new PagSeguroHttpConnection();

            $connection->post(

                self::buildPreApprovalPaymentUrl(self::$connectionData),

                $data,

                self::$connectionData->getServiceTimeout(),

                self::$connectionData->getCharset()

            );



            self::$service = "PreApprovalPaymentCharge";

            return self::getResult($connection);



        } catch (PagSeguroServiceException $err) {

            //Logging

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

            //Exception

            throw $err;



        } catch (Exception $err) {

            //Logging

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

            //Exception

            throw $err;

        }

    }



    /**

     * @param PagSeguroCredentials $credentials

     * @param $code

     * @return null|PagSeguroParserData

     * @throws Exception

     * @throws PagSeguroServiceException

     */

    public static function cancelPreApproval(PagSeguroCredentials $credentials, $code)

    {



        //Logging

        $log['text'] = "PagSeguroNotificationService.PreApprovalCancel($code) - begin";

        LogPagSeguro::info($log['text']);



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



        try {

            $connection = new PagSeguroHttpConnection();

            $connection->get(

                self::buildPreApprovalCancelUrl(

                    self::$connectionData,

                    $code

                ),

                self::$connectionData->getServiceTimeout(),

                self::$connectionData->getCharset()

            );



            self::$service = "PreApprovalCancel";

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



        } catch (PagSeguroServiceException $err) {

            //Logging

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

            //Exception

            throw $err;



        } catch (Exception $err) {

            //Logging

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

            //Exception

            throw $err;

        }

    }



    /**

     * @param $connection

     * @param null $code

     * @return null|PagSeguroParserData

     * @throws PagSeguroServiceException

     */

    private function getResult($connection, $code = null)

    {



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

        $response   = $connection->getResponse();



        switch ($httpStatus->getType()) {

            case 'OK':

                switch(self::$service) {

                    case "PreApprovalRequest":



                        $response = PagSeguroPreApprovalParser::readSuccessXml($response);



                        $result = array ( 'code' => $response->getCode(),

                            'cancelUrl' => self::buildPreApprovalCancelUrl(

                                self::$connectionData,

                                $response->getCode()

                            ),

                            'checkoutUrl' => self::buildPreApprovalRequestUrl(

                                self::$connectionData,

                                $response->getCode()

                            ) );



                        break;

                    case "PreApprovalCancel":

                        $result = PagSeguroPreApprovalParser::readCancelXml($response);

                        break;

                    case "PreApprovalPaymentCharge":

                        $result = PagSeguroPreApprovalParser::readTransactionXml($response);

                        break;

                }



                //Logging

                if (is_null($code) && self::$service == "PreApprovalRequest") {

                    $log['text'] = sprintf(

                        "PagSeguroPreApprovalService.%s(".$response->toString().") - end ",

                        self::$service

                    );

                    LogPagSeguro::info($log['text'] . ")");

                } else {

                    $log['text'] = sprintf("PagSeguroPreApprovalService.%s($code) - end ", self::$service);

                    LogPagSeguro::info($log['text']);

                }



                break;

            case 'BAD_REQUEST':



                $errors = PagSeguroServiceParser::readErrors($response);

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



                //Logging

                $log['text']  = sprintf("PagSeguroPreApprovalService.%s($code) - error ", self::$service);

                LogPagSeguro::error($log['text'] . $errors->getOneLineMessage());



                //Exception

                throw $errors;

                break;

            default:



                $errors = new PagSeguroServiceException($httpStatus);



                //Logging

                $log['text'] = sprintf("PagSeguroPreApprovalService.%s($code) - error ", self::$service);

                LogPagSeguro::error($log['text'] . $errors->getOneLineMessage());



                //Exception

                throw $errors;

                break;

        }

        return isset($result) ? $result : null;

    }

}

