<?php
/*************************************************************************************/
/*      Copyright (c) Franck Allimant, CQFDev                                        */
/*      email : thelia@cqfdev.fr                                                     */
/*      web : http://www.cqfdev.fr                                                   */
/*                                                                                   */
/*      For the full copyright and license information, please view the LICENSE      */
/*      file that was distributed with this source code.                             */
/*************************************************************************************/

/**
 * Created by Franck Allimant, CQFDev <franck@cqfdev.fr>
 * Date: 13/06/2019 17:00
 */

namespace Beds24\Beds24;

use Beds24\Beds24;
use Beds24\Model\Beds24BookingOrderProduct;
use Doctrine\Common\Cache\Cache;
use Doctrine\Common\Cache\FilesystemCache;
use Thelia\Log\Tlog;
use Thelia\Model\CustomerTitleQuery;
use Thelia\Model\Lang;

class Beds24Request
{
    /** @var Cache  */
    protected $cacheDriver;

    public function __construct()
    {
        $cacheDir = THELIA_CACHE_DIR . "beds24";

        $this->cacheDriver = new FilesystemCache($cacheDir);
    }

    /**
     * Clear the request cache
     */
    public function clearCache()
    {
        $this->cacheDriver->deleteAll();
    }

    /**
     * @param \DateTime $startDate
     * @param \DateTime $endDate
     * @param null $roomId
     * @param int $numAdults
     * @param int $numChildren
     * @param bool $ignoreAvail
     * @return array
     * @throws Beds24Exception
     */
    public function getAvailabilities(\DateTime $startDate, \DateTime $endDate, $roomId = null, $numAdults = 2, $numChildren = 0, $ignoreAvail = false)
    {
        $requestParameters = [
            "checkIn" => $startDate->format("Ymd"),
            "checkOut" => $endDate->format("Ymd"),
            "numAdult" => $numAdults,
            "numChild" => $numChildren,
            'ignoreAvail' => $ignoreAvail
        ];

        if (empty($roomId)) {
            $requestParameters["ownerId"] = $this->getOwnerId();
        } else {
            $requestParameters["roomId"] = $roomId;
        }

        $result = $this->send("getAvailabilities", $requestParameters);

        return $result;
    }

    /**
     * @param $roomId
     * @return array
     */
    public function getRoomDescription($roomId, $twoLetterslangCode)
    {
        $requestParameters = [
            "roomId" => $roomId,
            "lang" => $twoLetterslangCode,
        ];

        $result = $this->send("getDescription", $requestParameters);

        return $result;
    }

    /**
     * @param Beds24BookingOrderProduct $booking
     * @return array
     * @throws Beds24Exception
     * @throws \Propel\Runtime\Exception\PropelException
     */
    public function setBooking(Beds24BookingOrderProduct $booking)
    {
        $customer = $booking->getOrder()->getCustomer();

        $address = $customer->getDefaultAddress();

        $locale = Lang::getDefaultLanguage()->getLocale();

        if (null !== $title = CustomerTitleQuery::create()->findPk($customer->getTitleId())) {
            $titleStr = $title->setLocale($locale)->getShort();
        } else {
            $titleStr = "NA";
        }

        // The "last night" is thez leaving day minus 1 day
        /** @var \DateTime $endDate */
        $lastNight = $booking->getEndDate();
        $lastNight->sub(new \DateInterval("P1D"));

        $requestParameters = [
            "roomId" => $booking->getRoomId(),
            "roomQty" => 1,
            "firstNight" => $booking->getStartDate()->format("Ymd"),
            "lastNight" => $lastNight->format("Ymd"),
            "numAdult" => $booking->getAdults(),
            "numChild" => $booking->getChildren(),

            "guestTitle"=> $titleStr,
            "guestFirstName"=> $customer->getFirstname(),
            "guestName"=> $customer->getLastname(),
            "guestEmail"=> $customer->getEmail(),
            "guestPhone"=> $address->getPhone(),
            "guestMobile"=> $address->getCellphone(),
            "guestAddress"=> $address->getAddress1(),
            "guestCity"=> $address->getCity(),
            "guestPostcode"=> $address->getZipcode(),
            "guestCountry"=> $address->getCountry()->setLocale($locale)->getTitle(),

            // "notifyGuest" => true,
            // "notifyHost" => true
        ];

        $result = $this->send("setBooking", $requestParameters, $this->getPropertyId($booking->getRoomId()), false);

        return $result;
    }

    /**
     * @param Beds24BookingOrderProduct $booking
     * @return array
     * @throws Beds24Exception
     */
    public function cancelBooking(Beds24BookingOrderProduct $booking)
    {
        $requestParameters = [
            "bookId" => $booking->getBeds24BookingId(),
            "status" => 0
        ];

        $result = $this->send("setBooking", $requestParameters, $this->getPropertyId($booking->getRoomId()), false);

        return $result;
    }


    /**
     * @param int $roomId
     * @return int the room's property ID
     * @throws Beds24Exception
     */
    public function getPropertyId($roomId)
    {
        $properties = $this->send("getProperties");

        if (! $this->hasError($properties)) {
            foreach ($properties['getProperties'] as $property) {
                $propertyId = $property['propId'];

                foreach ($property['roomTypes'] as $room) {
                    if ($room['roomId'] == $roomId) {
                        return $propertyId;
                    }
                }
            }
        }

        throw new Beds24Exception("Failed to find property ID for room ID $roomId");
    }

    /**
     * @return int
     * @throws Beds24Exception
     */
    public function getOwnerId()
    {
        $properties = $this->send("getProperties");

        if (! $this->hasError($properties)) {
            foreach ($properties['getProperties'] as $property) {
                return $property['ownerId'];
            }
        }

        throw new Beds24Exception("Failed to find Beds 24 owner ID");
    }

    /**
     * @return array a list of (name, propeId) couples.
     * @throws Beds24Exception
     */
    public function getPropertyList()
    {
        $result = [];

        $properties = $this->send("getProperties");

        if (! $this->hasError($properties)) {
            foreach ($properties['getProperties'] as $property) {
                $result[] = [
                    'name' => $property['name'],
                    'id' => $property['propId']
                ];
            }
        }

        return $result;
    }

    public function hasError($result)
    {
        return isset($result['error']);
    }

    /**
     * Perform Beds24 query, and cache the result for 2 hours.
     *
     * @param $serviceName
     * @param [] $requestParameters
     * @param bool $propId
     * @param bool $usecache
     * @return array
     * @throws Beds24Exception
     */
    protected function send($serviceName, $requestParameters = [], $propId = false, $usecache = true)
    {
        // Add authentication
        $requestParameters['authentication'] = [
            'apiKey' => Beds24::getConfigValue('api_key')
        ];

        // Add property key if required
        if (! empty($propId)) {
            $propKey = Beds24::getConfigValue('prop_key_' . $propId);

            if (empty($propKey)) {
                throw new Beds24Exception("propKey for property ID $propId is not defined. Please check module configuration.");
            }

            $requestParameters['authentication']['propKey'] = $propKey;
        }

        $json = json_encode($requestParameters);

        $requestHash = hash("md5", $serviceName . $json);

        if ((! $usecache) || (false === $result = $this->cacheDriver->fetch($requestHash))) {
            $url = "https://api.beds24.com/json/$serviceName";

            $ch = curl_init();

            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $json);

            $result = curl_exec($ch);
;
            if ($usecache) {
                $this->cacheDriver->save($requestHash, $result, 7200 /* 2 hours */);
            }

            curl_close($ch);
        } else {
            $ch = false;
        }

        if (false !== $result) {
            $resultArray = json_decode($result, true);
        } else {
            $resultArray = [
                'error' => 'Request to Beds24 failed: ' . curl_error($ch),
                'errorCode' => curl_errno($ch)
            ];
        }

        // Log error, if any.
        if (isset($resultArray['error'])) {
            Tlog::getInstance()->error("Beds24 request $serviceName failed: " . $resultArray['error'] . ", code: " . $resultArray['errorCode']);
        }

        return ($resultArray);
    }
}