<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');



/*

 * CI-Merchant Library

 *

 * Copyright (c) 2011-2012 Adrian Macneil

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 */



/**

 * Merchant Payflow Pro Class

 *

 * Payment processing using Payflo Pro

 * Documentation: https://cms.paypal.com/cms_content/US/en_US/files/developer/PayflowGateway_Guide.pdf

 */



class Merchant_payflow_pro extends Merchant_driver

{

	const PROCESS_URL = 'https://payflowpro.paypal.com';

	const PROCESS_URL_TEST = 'https://pilot-payflowpro.paypal.com';



	public function default_settings()

	{

		return array(

			'vendor' => '',

			'username' => '',

			'password' => '',

			'partner' => 'PayPal',

			'test_mode' => FALSE

		);

	}



	public function authorize()

	{

		$request = $this->_build_authorize_or_purchase('A');

		$response = $this->post_request($this->_process_url(), $request);

		return new Merchant_payflow_pro_response($response, Merchant_response::AUTHORIZED);

	}



	public function capture()

	{

		$request = $this->_build_capture_or_refund('D');

		$response = $this->post_request($this->_process_url(), $request);

		return new Merchant_payflow_pro_response($response, Merchant_response::COMPLETE);

	}



	public function purchase()

	{

		$request = $this->_build_authorize_or_purchase('S');

		$response = $this->post_request($this->_process_url(), $request);

		return new Merchant_payflow_pro_response($response, Merchant_response::COMPLETE);

	}



	public function refund()

	{

		$request = $this->_build_capture_or_refund('C');

		$response = $this->post_request($this->_process_url(), $request);

		return new Merchant_payflow_pro_response($response, Merchant_response::REFUNDED);

	}



	protected function _build_authorize_or_purchase($method)

	{

		$this->require_params('card_no', 'first_name', 'last_name', 'exp_month', 'exp_year', 'csc');



		$request = $this->_new_request($method);

		$request['TENDER'] = 'C';

		$request['ACCT'] = $this->param('card_no');

		$request['AMT'] = $this->amount_dollars();

		$request['EXPDATE'] = $this->param('exp_month').($this->param('exp_year') % 100);

		$request['COMMENT1'] = $this->param('description');

		$request['CVV2'] = $this->param('csc');

		$request['BILLTOFIRSTNAME'] = $this->param('first_name');

		$request['BILLTOLASTNAME'] = $this->param('last_name');

		$request['BILLTOSTREET'] = trim($this->param('address1')." \n".$this->param('address2'));

		$request['BILLTOCITY'] = $this->param('city');

		$request['BILLTOSTATE'] = $this->param('region');

		$request['BILLTOZIP'] = $this->param('postcode');

		$request['BILLTOCOUNTRY'] = $this->param('country');



		return $request;

	}



	protected function _build_capture_or_refund($method)

	{

		$this->require_params('reference', 'amount');



		$request = $this->_new_request($method);

		$request['AMT'] = $this->amount_dollars();

		$request['ORIGID'] = $this->param('reference');



		return $request;

	}



	protected function _new_request($method)

	{

		$request = array();

		$request['TRXTYPE'] = $method;

		$request['VENDOR'] = $this->setting('vendor');

		$request['PWD'] = $this->setting('password');

		$request['PARTNER'] = $this->setting('partner');



		if ($this->setting('username'))

		{

			$request['USER'] = $this->setting('username');

		}

		else

		{

			$request['USER'] = $this->setting('vendor');

		}



		return $request;

	}



	protected function _process_url()

	{

		return $this->setting('test_mode') ? self::PROCESS_URL_TEST : self::PROCESS_URL;

	}

}



class Merchant_payflow_pro_response extends Merchant_response

{

	protected $_response;



	public function __construct($response, $success_status)

	{

		$this->_response = array();

		parse_str($response, $this->_response);



		if (isset($this->_response['RESULT']) AND $this->_response['RESULT'] == '0')

		{

			// because the payflow response doesn't specify the state of the transaction,

			// we need to specify the expected status in the constructor

			$this->_status = $success_status;

			$this->_reference = $this->_response['PNREF'];

		}

		else

		{

			$this->_status = self::FAILED;

			$this->_message = isset($this->_response['RESPMSG']) ?

				$this->_response['RESPMSG'] :

				lang('merchant_invalid_response');

		}

	}

}



/* End of file ./libraries/merchant/drivers/merchant_payflow_pro.php */