<?php
/* --------------------------------------------------------------
	ParcelShopFinder.inc.php 2017-07-14
	Gambio GmbH
	http://www.gambio.de
	Copyright (c) 2017 Gambio GmbH
	Released under the GNU General Public License (Version 2)
	[http://www.gnu.org/licenses/gpl-2.0.html]
	--------------------------------------------------------------
*/

/**
 * Class ParcelShopFinder
 *
 * @category   System
 * @package    Extensions
 * @subpackage ParcelShopFinder
 */
class ParcelShopFinder
{
    /**
     * Service credentials
     */
    const CIGLOGIN = 'gambio_1:7692819c896fe2ea5fbd861cead0a08c503b69e3d56b77380a42b02aa9';
    
    /**
     * Service URL
     */
    const BASE_URL = 'https://cig.dhl.de/services/sandbox/rest/parcelshopfinderrest/';
    
    /**
     * maximum distance of entities returned (in meters)
     */
    const MAX_DISTANCE = 15000;
    
    /**
     * @var ParcelShopFinderLogger
     */
    protected $logger;
    
    
    /**
     * ParcelShopFinder constructor.
     */
    public function __construct()
    {
        $this->logger = MainFactory::create('ParcelShopFinderLogger');
    }
    
    
    /**
     * @param $address
     *
     * @return array
     */
    public function getParcelLocationByAddress($address)
    {
        $this->logger->notice(sprintf('Requesting locations around address "%s"', $address));
        $list      = [];
        $actionUrl = 'parcellocationByAddress/PARCEL_PICKUP/';
        $service   = MainFactory::create('RestService');
        $url       = self::BASE_URL . $actionUrl . rawurlencode($address);
        $request   = MainFactory::create('RestRequest', 'GET', $url, null, ['Expect:']);
        $request->setUserpass(self::CIGLOGIN);
        $result = $service->performRequest($request);
        $json   = json_decode($result->getResponseBody());
        if (empty($json->psfParcellocationList)) {
            $this->logger->noticeDebug(sprintf("Empty response:\n%s", (string)$result));
        } else {
            $list = $json->psfParcellocationList;
            $list = array_filter($list,
                function ($psfEntry) {
                    return (int)$psfEntry->geoPosition->distance <= self::MAX_DISTANCE;
                });
            $this->addOutputTitle($list);
            $this->addOpeningHours($list);
        }
        
        return $list;
    }
    
    
    /**
     * Modifies result list by adding headings for output
     *
     * @param $psflist array
     *
     * @return array
     */
    protected function addOutputTitle($psflist)
    {
        foreach ($psflist as $psfentry) {
            if ($psfentry->keyWord === 'Postfiliale') {
                $psfentry->outputTitle = 'Filiale';
            } elseif ($psfentry->keyWord === 'DHL Packstation') {
                $psfentry->outputTitle = 'Packstation';
            } elseif ($psfentry->keyWord === 'DHL Paketshop') {
                $psfentry->outputTitle = 'Filiale';
            } else {
                $psfentry->outputTitle = $psfentry->keyWord;
            }
        }
        
        return $psflist;
    }
    
    
    /**
     * @param $psflist
     *
     * @return mixed
     */
    protected function addOpeningHours($psflist)
    {
        foreach ($psflist as $psfentry) {
            $openingHours = [];
            if (property_exists($psfentry, 'psfOtherinfos')) {
                $cols = 0;
                $rows = 0;
                foreach ($psfentry->psfOtherinfos as $otherInfo) {
                    if ($otherInfo->type === 'tt_openinghours_cols') {
                        $cols = (int)$otherInfo->content;
                    }
                    if ($otherInfo->type === 'tt_openinghours_rows') {
                        $rows = (int)$otherInfo->content;
                    }
                    if (preg_match('/^tt_openinghour_(\d)(\d)$/', $otherInfo->type, $hoursMatches) === 1) {
                        $rowNumber = (int)$hoursMatches[1];
                        $colNumber = (int)$hoursMatches[2];
                        if (!isset($openingHours[$rowNumber])) {
                            $openingHours[$rowNumber] = [];
                        }
                        $openingHours[$rowNumber][$colNumber] = $otherInfo->content;
                    }
                    if ($otherInfo->type === 'tt_openinghour_today') {
                        $psfentry->openingHoursToday = $otherInfo->content;
                    }
                }
            }
            $psfentry->openingHours = $openingHours;
        }
        
        return $psflist;
    }
}