<?php

namespace App\Controller;

use Doctrine\ORM\Query;
use Doctrine\ORM\QueryBuilder;
use Doctrine\DBAL\DBALException;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\Dotenv\Dotenv;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpKernel\KernelInterface;
use Symfony\Contracts\Translation\TranslatorInterface;

use CrEOF\Spatial\PHP\Types\Geometry\Point;

use App\Ramcar\APIResult;
use App\Ramcar\JOStatus;
use App\Ramcar\InvoiceCriteria;
use App\Ramcar\ServiceType;
use App\Ramcar\WarrantyClass;
use App\Ramcar\APIRiderStatus;
use App\Ramcar\TransactionOrigin;
use App\Ramcar\TradeInType;
use App\Ramcar\JOEventType;
use App\Ramcar\AdvanceOrderSlot;
use App\Ramcar\AutoAssignStatus;
use App\Ramcar\WarrantySource;

use App\Service\InvoiceGeneratorInterface;
use App\Service\RisingTideGateway;
use App\Service\MQTTClient;
use App\Service\GeofenceTracker;
use App\Service\RiderTracker;
use App\Service\MapTools;
use App\Service\InventoryManager;
use App\Service\RiderAssignmentHandlerInterface;
use App\Service\WarrantyAPILogger;

use App\Entity\MobileSession;
use App\Entity\Customer;
use App\Entity\VehicleManufacturer;
use App\Entity\Vehicle;
use App\Entity\CustomerVehicle;
use App\Entity\JobOrder;
use App\Entity\Promo;
use App\Entity\Battery;
use App\Entity\RiderRating;
use App\Entity\JOEvent;
use App\Entity\Warranty;
use App\Entity\Service;
use App\Entity\Partner;
use App\Entity\Review;
use App\Entity\PrivacyPolicy;
use App\Entity\Hub;
use App\Entity\SAPBattery;
use App\Entity\WarrantySerial;

use DateTime;
use DateInterval;
use Exception;

// mobile API
class APIController extends Controller implements LoggedController
{
    const RIDER_SLOT_ARRAY_LENGTH = 8;

    protected $session;

    public function __construct()
    {
        $this->session = null;
    }

    protected function debugRequest(Request $req)
    {
        $all = $req->request->all();
        error_log(print_r($all, true));
    }

    protected function checkMissingParameters(Request $req, $params = [])
    {
        $missing = [];

        // check if parameters are there
        foreach ($params as $param)
        {
            if ($req->getMethod() == 'GET')
            {
                $check = $req->query->get($param);
                if (empty($check))
                    $missing[] = $param;
            }
            else if ($req->getMethod() == 'POST')
            {
                $check = $req->request->get($param);
                if (empty($check))
                    $missing[] = $param;
            }
            else
                return $params;
        }

        return $missing;
    }

    // TODO: type hint entity manager
    protected function checkAPIKey($em, $api_key)
    {
        // find the api key (session id)
        $session = $em->getRepository(MobileSession::class)->find($api_key);
        if ($session == null)
            return null;

        return $session;
    }

    protected function checkParamsAndKey(Request $req, $em, $params)
    {
        // returns APIResult object
        $res = new APIResult();

        // check for api_key in query string
        $api_key = $req->query->get('api_key');
        if (empty($api_key))
        {
            $res->setError(true)
                ->setErrorMessage('Missing API key');
            return $res;
        }

        // check missing parameters
        $missing = $this->checkMissingParameters($req, $params);
        if (count($missing) > 0)
        {
            $miss_string = implode(', ', $missing);
            $res->setError(true)
                ->setErrorMessage('Missing parameter(s): ' . $miss_string);
            return $res;
        }

        // check api key
        $sess = $this->checkAPIKey($em, $req->query->get('api_key'));
        if ($sess == null)
        {
            $res->setError(true)
                ->setErrorMessage('Invalid API Key');
            return $res;
        }

        // store session
        $this->session = $sess;

        return $res;
    }

    public function register(Request $req)
    {
        $res = new APIResult();

        // confirm parameters
        $required_params = [
            'phone_model',
            'os_type',
            'os_version',
            'phone_id'
        ];

        $missing = $this->checkMissingParameters($req, $required_params);
        if (count($missing) > 0)
        {
            $params = implode(', ', $missing);
            $res->setError(true)
                ->setErrorMessage('Missing parameter(s): ' . $params);
            return $res->getReturnResponse();
        }

        $em = $this->getDoctrine()->getManager();

        // retry until we get a unique id
        while (true)
        {
            try
            {
                // instantiate session
                $sess = new MobileSession();
                $sess->setPhoneModel($req->request->get('phone_model'))
                    ->setOSType($req->request->get('os_type'))
                    ->setOSVersion($req->request->get('os_version'))
                    ->setPhoneID($req->request->get('phone_id'));

                // reopen in case we get an exception
                if (!$em->isOpen())
                {
                    $em = $em->create(
                        $em->getConnection(),
                        $em->getConfiguration()
                    );
                }
                    
                // save
                $em->persist($sess);
                $em->flush();
            }
            catch (DBALException $e)
            {
                error_log($e->getMessage());
                // delay one second and try again
                sleep(1);
                continue;
            }

            break;
        }

        // return data
        $data = [
            'session_id' => $sess->getID()
        ];
        $res->setData($data);

        
        // response
        return $res->getReturnResponse();
    }

    protected function generateConfirmCode()
    {
        return sprintf("%06d", mt_rand(100000, 999999));
    }

    protected function sendConfirmationCode(RisingTideGateway $rt, $phone_number, $code)
    {
        // send sms to number
        $message = "Your Resq confirmation code is $code.";
        $rt->sendSMS($phone_number, 'MOTOLITE', $message);
    }

    public function confirmNumber(RisingTideGateway $rt, Request $req)
    {
        // check parameters
        $required_params = [
            'phone_number',
        ];

        // check required parameters and api key
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // phone number
        $phone_number = $req->request->get('phone_number');

        // get otp_mode from .env
        $dotenv = new Dotenv();
        $dotenv->loadEnv(__DIR__.'/../../.env');

        $otp_mode = $_ENV['OTP_MODE'];

        // check for hardcoded phone number for app store testing
        if ($phone_number == '639991112233')
        {
            $code = '123456';
            $this->session->setConfirmCode($code)
                ->setPhoneNumber($phone_number);
            $em->flush();

            return $res->getReturnResponse();
        }
        
        // check if otp_mode is test
        if ($otp_mode == 'test')
        {
            $code = '123456';
            $this->session->setConfirmCode($code)
                ->setPhoneNumber($phone_number);
            $em->flush();

            return $res->getReturnResponse();
        }

        // TODO: spam protection

        // TODO: validate phone number

        // generate code and save
        $code = $this->generateConfirmCode();
        $this->session->setConfirmCode($code)
            ->setPhoneNumber($phone_number);
        $em->flush();

        if ($otp_mode != 'test')
        {
            // send sms to number
            $this->sendConfirmationCode($rt, $phone_number, $code);
        }

        // response
        return $res->getReturnResponse();
    }

    // TODO: find session customer by phone number
    protected function findNumberSession($number)
    {
        $em = $this->getDoctrine()->getManager();
        $query = $em->getRepository(MobileSession::class)->createQueryBuilder('s')
            ->where('s.phone_number = :number')
            ->andWhere('s.customer is not null')
            ->andWhere('s.confirm_flag = 1')
            ->setParameter('number', $number)
            ->setMaxResults(1)
            ->getQuery();

        // we just need one
        $res = $query->getOneOrNullResult();

        return $res;
    }

    public function validateCode(Request $req)
    {
        // check parameters
        $required_params = [
            'code',
        ];

        // check required parameters and api key
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // code is wrong
        $code = $req->request->get('code');
        if ($this->session->getConfirmCode() != $code)
        {
            $res->setError(true)
                ->setErrorMessage('Wrong confirm code');
            return $res->getReturnResponse();
        }

        // set confirm date
        $date = new DateTime();
        $this->session->setDateConfirmed($date)
            ->setConfirmed();


        // TODO: check if we have the number registered before and merge
        $dupe_sess = $this->findNumberSession($this->session->getPhoneNumber());
        if ($dupe_sess != null)
        {
            $dupe_cust = $dupe_sess->getCustomer();
            $this->session->setCustomer($dupe_cust);
        }

        // TODO: check if mobile matches mobile of customer
        $customer = $this->findCustomerByNumber($this->session->getPhoneNumber());
        if ($customer != null)
        {
            // TODO: if there is a dupe_sess, do we need to check if 
            // dupe_cust is the same as the customer we found?
            $this->session->setCustomer($customer);
        }

        $em->flush();

        // response
        return $res->getReturnResponse();
    }

    public function getInfo(Request $req)
    {
        // check required parameters and api key
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // if no customer found
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $data = [
                'first_name' => '',
                'last_name' => '',
                'priv_third_party' => (bool) false,
                'priv_promo' => (bool) false,
            ];
            $res->setData($data);

            return $res->getReturnResponse();
        }

        // send back customer details
        $data = [
            'first_name' => $cust->getFirstName(),
            'last_name' => $cust->getLastName(),
            'priv_third_party' => (bool) $cust->getPrivacyThirdParty(),
            'priv_promo' => (bool) $cust->getPrivacyPromo(),
        ];
        $res->setData($data);

        return $res->getReturnResponse();
    }

    protected function updateCustomerInfo($req, $em)
    {
        // create new customer if it's not there
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $cust = new Customer();
            $em->persist($cust);

            $this->session->setCustomer($cust);
        }

        $cust->setFirstName($req->request->get('first_name'))
            ->setLastName($req->request->get('last_name'))
            ->setEmail($req->request->get('email', ''))
            ->setConfirmed($this->session->isConfirmed());

        // update mobile phone of customer
        $cust->setPhoneMobile(substr($this->session->getPhoneNumber(), 2));

        return $cust;
    }

    public function updateInfo(Request $req, EntityManagerInterface $em)
    {
        // check required parameters and api key
        $required_params = [
            'first_name',
            'last_name',
        ];
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        $cust = $this->updateCustomerInfo($req, $em);

        // get privacy policy for mobile
        $dotenv = new Dotenv();
        $dotenv->loadEnv(__DIR__.'/../../.env');

        $policy_mobile_id = $_ENV['POLICY_MOBILE'];

        $mobile_policy = $em->getRepository(PrivacyPolicy::class)->find($policy_mobile_id);

        // set policy id
        if ($mobile_policy != null)
        {
            $cust->setPrivacyPolicyMobile($mobile_policy);
        }
        
        $em->flush();

        return $res->getReturnResponse();
    }

    public function getStatus(Request $req)
    {
        // check required parameters and api key
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // set data
        $data = [];
        if ($this->session->isConfirmed())
            $data['status'] = 'confirmed';
        else
            $data['status'] = 'unconfirmed';
        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function listVehicleManufacturers(Request $req)
    {
        // check required parameters and api key
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // get manufacturer list
        $mfgs = $em->getRepository(VehicleManufacturer::class)->findBy(['flag_mobile' => true], ['name' => 'asc']);
        $mfg_list = [];
        foreach ($mfgs as $mfg)
        {
            $mfg_list[] = [
                'id' => $mfg->getID(),
                'name' => $mfg->getName(),
            ];
        }

        $data = [
            'manufacturers' => $mfg_list
        ];
        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function listVehicleMakes(Request $req, $mfg_id)
    {
        // check required parameters and api key
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // get manufacturer
        $mfg = $em->getRepository(VehicleManufacturer::class)->find($mfg_id);
        if ($mfg == null)
        {
            $res->setError(true)
                ->setErrorMessage('Invalid vehicle manufacturer id');
            return $res->getReturnResponse();
        }

        // get makes
        $vehicles = $em->getRepository(Vehicle::class)->findBy(
            [
                'flag_mobile' => true,
                'manufacturer' => $mfg_id,
            ],
            ['make' => 'asc']
        );
        // $vehicles = $mfg->getVehicles();
        $vlist = [];
        foreach ($vehicles as $v)
        {
            $vlist[] = [
                'id' => $v->getID(),
                'make' => trim($v->getMake() . ' ' . $v->getModelYearFormatted(false)),
                // 'make' => $v->getMake() . ' ' . $v->getModelYearFrom() . '-' . $v->getModelYearTo(),
            ];
        }

        $data = [
            'manufacturer' => [
                'id' => $mfg->getID(),
                'name' => $mfg->getName(),
            ],
            'makes' => $vlist,
        ];

        $res->setData($data);

        return $res->getReturnResponse();
    }

    protected function checkVehicleRequirements(Request $req)
    {
        // check required parameters and api key
        $required_params = [
            'make_id',
            'name',
            'plate_num',
            'model_year',
            'color',
            'condition',
            'fuel_type',
        ];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res;

        // TODO: check valid plate number
        // TODO: check valid fuel type (gas / diesel)
        // TODO: check current battery id
        // TODO: check condition (brand new / second-hand)
        // TODO: check is_motolite and is_active (1 or 0)
        // TODO: check warranty expiration date (YYYYMMDD)
        // TODO: check model year coverage if it fits in between

        return $res;
    }

    protected function setCustomerVehicleObject(Request $req, APIResult $res, CustomerVehicle $cv)
    {
        $em = $this->getDoctrine()->getManager();

        // check customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res;
        }

        // get vehicle
        $vehicle = $em->getRepository(Vehicle::class)->find($req->request->get('make_id'));
        if ($vehicle == null)
        {
            $res->setError(true)
                ->setErrorMessage('Invalid vehicle make id');
            return $res;
        }

        $cv->setCustomer($cust)
            ->setVehicle($vehicle)
            ->setName($req->request->get('name'))
            ->setPlateNumber($req->request->get('plate_num'))
            ->setModelYear($req->request->get('model_year'))
            ->setColor($req->request->get('color'))
            ->setFuelType($req->request->get('fuel_type'))
            ->setStatusCondition($req->request->get('condition'));

        // set warranty code and expiration
        // TODO: check warranty requirements
        if (!empty($req->request->get('wty_code')))
            $cv->setWarrantyCode($req->request->get('wty_code'));
        if (!empty($req->request->get('wty_expire')))
            $cv->setWarrantyExpiration(new DateTime($req->request->get('wty_expire')));

        // TODO: get current battery

        // is motolite
        if ($req->request->get('is_motolite') == 0)
            $cv->setHasMotoliteBattery(false);
        else
            $cv->setHasMotoliteBattery(true);

        // is active
        if ($req->request->get('is_active') == 0)
            $cv->setActive(false);
        else
            $cv->setActive(true);

        // save
        $em->persist($cv);
        $em->flush();

        // data
        $data = [
            'cv_id' => $cv->getID()
        ];
        $res->setData($data);

        return $res;
    }

    public function addVehicle(Request $req)
    {
        // check requirements
        $res = $this->checkVehicleRequirements($req);
        if ($res->isError())
            return $res->getReturnResponse();

        // customer vehicle
        $cv = new CustomerVehicle();

        $res = $this->setCustomerVehicleObject($req, $res, $cv);

        return $res->getReturnResponse();
    }

    public function updateVehicle(Request $req, $id)
    {
        // check requirements
        $res = $this->checkVehicleRequirements($req);
        if ($res->isError())
            return $res->getReturnResponse();

        // get customer vehicle
        $em = $this->getDoctrine()->getManager();
        $cv = $em->getRepository(CustomerVehicle::class)->find($id);
        
        // check if it exists
        if ($cv == null)
        {
            $res->setError(true)
                ->setErrorMessage('Vehicle does not exist');
            return $res->getReturnResponse();
        }

        // check if it's owned by customer
        if ($cv->getCustomer()->getID() != $this->session->getCustomer()->getID())
        {
            $res->setError(true)
                ->setErrorMessage('Invalid vehicle');
            return $res->getReturnResponse();
        }

        $res = $this->setCustomerVehicleObject($req, $res, $cv);

        return $res->getReturnResponse();
    }

    protected function getBatteryImageURL($req, $batt)
    {
        // TODO: workaround for now, we get static image of battery based on model name
        $filename = trim(strtolower($batt->getModel()->getName())) . '_mobile.jpg';
        $file_path = $req->getSchemeAndHttpHost() . $this->generateUrl('static_battery_image') . '/' . $filename;

        return $file_path;
    }

    public function listVehicles(Request $req)
    {
        // check required parameters and api key
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res->getReturnResponse();
        }

        // vehicles
        $cv_list = [];
        $cvs = $cust->getVehicles();
        foreach ($cvs as $cv)
        {
            $battery_id = null;
            if ($cv->getCurrentBattery() != null)
                $battery_id = $cv->getCurrentBattery()->getID();

            $wty_ex = null;
            if ($cv->getWarrantyExpiration() != null)
                $wty_ex = $cv->getWarrantyExpiration()->format('Y-m-d');

            $warranty = $this->findWarranty($cv->getPlateNumber());

            $cv_name = '';
            if ($cv->getName() != null)
                $cv_name = $cv->getName();

            $cv_list[] = [
                'cv_id' => $cv->getID(),
                'mfg_id' => $cv->getVehicle()->getManufacturer()->getID(),
                'make_id' => $cv->getVehicle()->getID(),
                'name' => $cv_name,
                'plate_num' => $cv->getPlateNumber(),
                'model_year' => $cv->getModelYear(),
                'color' => $cv->getColor(),
                'condition' => $cv->getStatusCondition(),
                'fuel_type' => $cv->getFuelType(),
                'wty_code' => $cv->getWarrantyCode(),
                'wty_expire' => $wty_ex,
                'curr_batt_id' => $battery_id,
                'is_motolite' => $cv->hasMotoliteBattery() ? 1 : 0,
                'is_active' => $cv->isActive() ? 1 : 0,
                'warranty' => $warranty,
            ];
        }

        // data
        $data = [
            'vehicles' => $cv_list
        ];
        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function listPromos(Request $req)
    {
        // check required parameters and api key
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        return $res->getReturnResponse();
    }

    public function getCompatibleBatteries(Request $req, $vid)
    {
        // check required parameters and api key
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // get vehicle
        $vehicle = $em->getRepository(Vehicle::class)->find($vid);
        if ($vehicle == null)
        {
            $res->setError(true)
                ->setErrorMessage('Invalid vehicle');
            return $res->getReturnResponse();
        }

        // batteries
        $batt_list = [];
        $batts = $vehicle->getBatteries();
        foreach ($batts as $batt)
        {
            // TODO: Add warranty_tnv to battery information
            $batt_list[] = [
                'id' => $batt->getID(),
                'mfg_id' => $batt->getManufacturer()->getID(),
                'mfg_name' => $batt->getManufacturer()->getName(),
                'model_id' => $batt->getModel()->getID(),
                'model_name' => $batt->getModel()->getName(),
                'size_id' => $batt->getSize()->getID(),
                'size_name' => $batt->getSize()->getName(),
                'price' => $batt->getSellingPrice(),
                'wty_private' => $batt->getWarrantyPrivate(),
                'wty_commercial' => $batt->getWarrantyCommercial(),
                'image_url' => $this->getBatteryImageURL($req, $batt),
            ];
        }

        // data
        $data = [
            'vehicle' => [
                'id' => $vehicle->getID(),
                'mfg_id' => $vehicle->getManufacturer()->getID(),
                'mfg_name' => $vehicle->getManufacturer()->getName(),
                'make' => $vehicle->getMake(),
                'model_year_from' => $vehicle->getModelYearFrom(),
                'model_year_to' => $vehicle->getModelYearTo(),
            ],
            'batteries' => $batt_list,
        ];
        $res->setData($data);


        return $res->getReturnResponse();
    }

    public function requestJobOrder(Request $req, InvoiceGeneratorInterface $ic, GeofenceTracker $geo,
                                    MapTools $map_tools, InventoryManager $im, MQTTClient $mclient,
                                    RiderAssignmentHandlerInterface $rah)
    {
        // check required parameters and api key
        $required_params = [
            'service_type',
            'cv_id',
            // 'batt_id',
            'trade_in',
            'long',
            'lat',
            'warranty',
            'mode_of_payment',
        ];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // trade in type
        $trade_in = $req->request->get('trade_in');

        // address
        $address = $req->request->get('delivery_address', 'Set by mobile application');

        // instructions
        $instructions = $req->request->get('delivery_instructions', '');

        // longitude and latitude
        $long = $req->request->get('long');
        $lat = $req->request->get('lat');

        // geofence
        $is_covered = $geo->isCovered($long, $lat);
        if (!$is_covered)
        {
            // TODO: put geofence error message in config file somewhere
            $res->setError(true)
                ->setErrorMessage('Oops! Our service is limited to some areas in Metro Manila, Laguna, and Baguio only. We will update you as soon as we are able to cover your area');
            return $res->getReturnResponse();
        }

        $jo = new JobOrder();
        $jo->setSource(TransactionOrigin::MOBILE_APP)
            ->setStatus(JOStatus::PENDING)
            ->setDeliveryInstructions('')
            ->setTier1Notes('')
            ->setTier2Notes('')
            ->setDeliveryAddress($address)
            ->setTradeInType($trade_in)
            ->setDeliveryInstructions($instructions)
            // TODO: error check for valid mode of payment
            ->setModeOfPayment($req->request->get('mode_of_payment'));

        // customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res->getReturnResponse();
        }
        $jo->setCustomer($cust);

        // validate service type
        $stype = $req->request->get('service_type');
        if (!ServiceType::validate($stype))
        {
            $res->setError(true)
                ->setErrorMessage('Invalid service type');
            return $res->getReturnResponse();
        }
        $jo->setServiceType($stype);

        // validate warranty
        $warr = $req->request->get('warranty');
        if (!WarrantyClass::validate($warr))
        {
            $res->setError(true)
                ->setErrorMessage('Invalid warranty class');
            return $res->getReturnResponse();
        }
        $jo->setWarrantyClass($warr);

        // set coordinates
        $point = new Point($long, $lat);
        $jo->setCoordinates($point);

        // make invoice criteria
        $icrit = new InvoiceCriteria();
        $icrit->setServiceType($stype);

        // check promo
        $promo_id = $req->request->get('promo_id');
        if (!empty($promo_id))
        {
            $promo = $em->getRepository(Promo::class)->find($promo_id);
            if ($promo == null)
            {
                $res->setError(true)
                    ->setErrorMessage('Invalid promo id');
                return $res->getReturnResponse();
            }

            // put in criteria
            $icrit->addPromo($promo);
        }

        // check customer vehicle
        $cv = $em->getRepository(CustomerVehicle::class)->find($req->request->get('cv_id'));
        if ($cv == null)
        {
            $res->setError(true)
                ->setErrorMessage('Invalid customer vehicle id');
            return $res->getReturnResponse();
        }
        $icrit->setCustomerVehicle($cv);
        $jo->setCustomerVehicle($cv);

        // check if customer owns vehicle
        if ($cust->getID() != $cv->getCustomer()->getID())
        {
            $res->setError(true)
                ->setErrorMessage('Customer does not own vehicle');
            return $res->getReturnResponse();
        }

        // check battery
        $batt_id = $req->request->get('batt_id');
        if ($batt_id != null)
        {
            $batt = $em->getRepository(Battery::class)->find($batt_id);
            if ($batt == null)
            {
                $res->setError(true)
                    ->setErrorMessage('Invalid battery id');
                return $res->getReturnResponse();
            }
        }
        else
            $batt = null;

        /*
        // put battery in criteria
        $icrit->addBattery($batt);
        */

        // check trade-in
        // only allow motolite, other, none
        switch ($trade_in)
        {
            case TradeInType::MOTOLITE:
            case TradeInType::OTHER:
                break;

            default:
                $trade_in = '';
                break;
        }

        $icrit->addEntry($batt, $trade_in, 1);

        // send to invoice generator
        $invoice = $ic->generateInvoice($icrit);
        $jo->setInvoice($invoice);

        // assign hub and rider
        if (($jo->getServiceType() == ServiceType::BATTERY_REPLACEMENT_NEW) ||
            ($jo->getServicetype() == ServiceType::BATTERY_REPLACEMENT_WARRANTY))
        {
            // get nearest hub
            // $nearest_hub = $this->findNearestHubWithInventory($jo, $batt, $em, $map_tools, $im);
            $nearest_hub = $this->findNearestHub($jo, $em, $map_tools);
        }
        else
        {
            $nearest_hub = $this->findNearestHub($jo, $em, $map_tools);
        }

        if (!empty($nearest_hub))
        {
            //error_log('found nearest hub ' . $nearest_hub->getID());
            // assign rider
            $available_riders = $nearest_hub->getAvailableRiders();
            if (count($available_riders) > 0)
            {
                $assigned_rider = null;
                if (count($available_riders) > 1)
                {
                    // TODO: the setting of riders into an array
                    //  will no longer be necessary when the contents
                    // of randomizeRider changes
                    $riders = [];
                    foreach ($available_riders as $rider)
                    {
                        $riders[] = $rider;
                    }

                    $assigned_rider = $this->randomizeRider($riders);
                }
                else
                    $assigned_rider = $available_riders[0];
         
                //error_log('found rider ' . $assigned_rider->getID());
                $jo->setHub($nearest_hub);
                $jo->setRider($assigned_rider);
                $jo->setStatus(JOStatus::ASSIGNED);

                $assigned_rider->setAvailable(false);
            }
        }

        $em->persist($jo);
        $em->persist($invoice);

        // add event log for JO
        $event = new JOEvent();
        $event->setDateHappen(new DateTime())
            ->setTypeID(JOEventType::CREATE)
            ->setJobOrder($jo);
        $em->persist($event);

        // check JO status
        if ($jo->getStatus() == JOStatus::ASSIGNED)
        {
            // add event logs for hub and rider assignments
            $hub_assign_event = new JOEvent();
            $hub_assign_event->setDateHappen(new DateTime())
                ->setTypeID(JOEventType::HUB_ASSIGN)
                ->setJobOrder($jo);

            $em->persist($hub_assign_event);

            $rider_assign_event = new JOEvent();
            $rider_assign_event->setDateHappen(new DateTime())
                ->setTypeID(JOEventType::RIDER_ASSIGN)
                ->setJobOrder($jo);

            $em->persist($rider_assign_event);

            // user mqtt event
            $payload = [
               'event' => 'outlet_assign'
            ];
            $mclient->sendEvent($jo, $payload);

            $rah->assignJobOrder($jo, $jo->getRider());
        }

        $em->flush();

        // make invoice json data
        $invoice_data = [
            'total_price' => $invoice->getTotalPrice(),
            'vat_ex_price' => $invoice->getVATExclusivePrice(),
            'vat' => $invoice->getVAT(),
            'discount' => $invoice->getDiscount(),
            'trade_in' => $invoice->getTradeIn(),
        ];
        $items = $invoice->getItems();
        $items_data = [];
        foreach ($items as $item)
        {
            $items_data[] = [
                'title' => $item->getTitle(),
                'qty' => $item->getQuantity() + 0,
                'price' => $item->getPrice() + 0.0,
            ];
        }
        $invoice_data['items'] = $items_data;

        // make job order data
        $data = [
            'jo_id' => $jo->getID(),
            'invoice' => $invoice_data
        ];

        // set data
        $res->setData($data); 

        return $res->getReturnResponse();
    }

    public function getEstimate(Request $req, InvoiceGeneratorInterface $ic)
    {
        // $this->debugRequest($req);

        // check required parameters and api key
        $required_params = [
            'service_type',
            'cv_id',
            // 'batt_id',
            'trade_in',
        ];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res->getReturnResponse();
        }

        // make invoice criteria
        $icrit = new InvoiceCriteria();
        $icrit->setServiceType($req->request->get('service_type'));

        // check promo
        $promo_id = $req->request->get('promo_id');
        if (!empty($promo_id))
        {
            $promo = $em->getRepository(Promo::class)->find($promo_id);
            if ($promo == null)
            {
                $res->setError(true)
                    ->setErrorMessage('Invalid promo id');
                return $res->getReturnResponse();
            }

            // put in criteria
            $icrit->addPromo($promo);
        }

        // check customer vehicle
        $cv = $em->getRepository(CustomerVehicle::class)->find($req->request->get('cv_id'));
        if ($cv == null)
        {
            $res->setError(true)
                ->setErrorMessage('Invalid customer vehicle id');
            return $res->getReturnResponse();
        }
        $icrit->setCustomerVehicle($cv);

        // check if customer owns vehicle
        if ($cust->getID() != $cv->getCustomer()->getID())
        {
            $res->setError(true)
                ->setErrorMessage('Customer does not own vehicle');
            return $res->getReturnResponse();
        }

        // check battery
        $batt_id = $req->request->get('batt_id');
        if ($batt_id != null)
        {
            $batt = $em->getRepository(Battery::class)->find($batt_id);
            if ($batt == null)
            {
                $res->setError(true)
                    ->setErrorMessage('Invalid battery id');
                return $res->getReturnResponse();
            }
        }
        else
            $batt = null;

        /*
        // put battery in criteria
        $icrit->addBattery($batt);
        */

        // check trade-in
        // only allow motolite, other, none
        $trade_in = $req->request->get('trade_in');
        switch ($trade_in)
        {
            case TradeInType::MOTOLITE:
            case TradeInType::OTHER:
                break;

            default:
                $trade_in = '';
                break;
        }

        $icrit->addEntry($batt, $trade_in, 1);

        // send to invoice generator
        $invoice = $ic->generateInvoice($icrit);

        // make invoice json data
        $data = [
            'total_price' => (float) $invoice->getTotalPrice(),
            'vat_ex_price' => (float) $invoice->getVATExclusivePrice(),
            'vat' => (float) $invoice->getVAT(),
            'discount' => (float) $invoice->getDiscount(),
            'trade_in' => (float) $invoice->getTradeIn(),
        ];
        $items = $invoice->getItems();
        $items_data = [];
        foreach ($items as $item)
        {
            $my_data = [
                'title' => $item->getTitle(),
                'qty' => (int) $item->getQuantity() + 0,
                'price' => (float) $item->getPrice() + 0.0,
            ];

            $item_batt = $item->getBattery();
            if ($item_batt != null)
            {
                $my_data['image_url'] = $this->getBatteryImageURL($req, $item_batt);
            }   

            $items_data[] = $my_data;
        }

        $data['items'] = $items_data;

        // error_log(print_r($data, true));

        // set data
        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function getRiderStatus(Request $req, RiderTracker $rt)
    {
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // get customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res->getReturnResponse();
        }

        // check if we have an ongoing job order
        /*
        $ongoing_jos = $em->getRepository(JobOrder::class)->findBy([
            'customer' => $cust,
            'status' => [JOStatus::PENDING, JOStatus::RIDER_ASSIGN, JOStatus::IN_TRANSIT, JOStatus::ASSIGNED, JOStatus::IN_PROGRESS],
        ]);
        */
        $ongoing_jos = $this->getOngoingJobOrders($cust);

        // $res->setData(['here' =>  count($ongoing_jos)]);
        // return $res->getReturnResponse();
        if (count($ongoing_jos) <= 0)
        {
            try 
            {
                // check if the latest fulfilled jo they have needs rider rating
                $query = $em->createQuery('select jo from App\Entity\JobOrder jo where jo.customer = :cust and jo.status = :status order by jo.date_fulfill desc');
                $fulfill_jo = $query->setParameters([
                        'cust' => $cust,
                        'status' => JOStatus::FULFILLED,
                    ])
                    ->setMaxResults(1)
                    ->getSingleResult();
            }
            catch (Exception $e)
            {
                // no pending
                $res->setData([
                    'status' => APIRiderStatus::NO_PENDING_JO
                ]);
                return $res->getReturnResponse();
            }

            // we got a recently fulfilled job order
            if ($fulfill_jo)
            {
                // check if the rider has been rated
                if (!$fulfill_jo->hasRiderRating())
                {
                    $dest = $fulfill_jo->getCoordinates();

                    $data = [
                        'jo_id' => $fulfill_jo->getID(),
                        'service_type' => $fulfill_jo->getServiceType(),
                        'destination' => [
                            'long' => $dest->getLongitude(),
                            'lat' => $dest->getLatitude(),
                        ],
                        'delivery_address' => $fulfill_jo->getDeliveryAddress(),
                        'delivery_instructions' => $fulfill_jo->getDeliveryInstructions(),
                    ];

                    $rider = $fulfill_jo->getRider();

                    // default image url
                    $url_prefix = $req->getSchemeAndHttpHost();
                    $image_url = $url_prefix . '/assets/images/user.gif';
                    if ($rider->getImageFile() != null)
                        $image_url = $url_prefix . '/uploads/' . $rider->getImageFile();

                    $data['status'] = APIRiderStatus::RIDER_RATING;
                    // default rider location to hub
                    $data['rider'] = [
                        'id' => $rider->getID(),
                        'name' => $rider->getFullName(),
                        'plate_num' => $rider->getPlateNumber(),
                        'contact_num' => $rider->getContactNumber(),
                        'image_url' => $image_url,
                    ];
                    $res->setData($data);
                    return $res->getReturnResponse();
                }
            }
                

            // no pending
            $res->setData([
                'status' => APIRiderStatus::NO_PENDING_JO
            ]);
            return $res->getReturnResponse();
        }

        // get first jo that's pending
        $jo = $ongoing_jos[0];
        $dest = $jo->getCoordinates();

        $data = [
            'jo_id' => $jo->getID(),
            'service_type' => $jo->getServiceType(),
            'destination' => [
                'long' => $dest->getLongitude(),
                'lat' => $dest->getLatitude(),
            ],
            'delivery_address' => $jo->getDeliveryAddress(),
            'delivery_instructions' => $jo->getDeliveryInstructions(),
        ];

        switch ($jo->getStatus())
        {
            case JOStatus::PENDING:
                $data['status'] = APIRiderStatus::OUTLET_ASSIGN;
                $res->setData($data);
                return $res->getReturnResponse();
            case JOStatus::RIDER_ASSIGN:
                $data['status'] = APIRiderStatus::RIDER_ASSIGN;
                $res->setData($data);
                return $res->getReturnResponse();
            case JOStatus::ASSIGNED:
            case JOStatus::IN_TRANSIT:
            case JOStatus::IN_PROGRESS:
                $rider = $jo->getRider();
                // get rider coordinates from redis
                $coord = $rt->getRiderLocation($rider->getID());

                // default image url
                $url_prefix = $req->getSchemeAndHttpHost();
                $image_url = $url_prefix . '/assets/images/user.gif';
                if ($rider->getImageFile() != null)
                    $image_url = $url_prefix . '/uploads/' . $rider->getImageFile();

                $data['status'] = APIRiderStatus::RIDER_PICK_UP;
                // TODO: fix this to actual location of rider
                // default rider location to hub
                $data['rider'] = [
                    'id' => $rider->getID(),
                    'name' => $rider->getFullName(),
                    'plate_num' => $rider->getPlateNumber(),
                    'contact_num' => $rider->getContactNumber(),
                    'image_url' => $image_url,
                    'location' => [
                        'long' => $coord->getLongitude(),
                        'lat' => $coord->getLatitude()
                    ]
                ];
                $res->setData($data);
                return $res->getReturnResponse();
        }


        $res->setData($data);


        return $res->getReturnResponse();
    }

    protected function getOngoingJobOrders($cust)
    {
        $em = $this->getDoctrine()->getManager();
        $ongoing_jos = $em->getRepository(JobOrder::class)->findBy([
            'customer' => $cust,
            'status' => [JOStatus::PENDING, JOStatus::RIDER_ASSIGN, JOStatus::IN_TRANSIT, JOStatus::ASSIGNED, JOStatus::IN_PROGRESS],
        ]);

        return $ongoing_jos;
    }

    public function getOngoing(Request $req)
    {
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // get customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res->getReturnResponse();
        }

        /*
        // check if we have an ongoing job order
        $ongoing_jos = $em->getRepository(JobOrder::class)->findBy([
            'customer' => $cust,
            'status' => [JOStatus::PENDING, JOStatus::RIDER_ASSIGN, JOStatus::IN_TRANSIT, JOStatus::ASSIGNED, JOStatus::IN_PROGRESS],
        ]);
        */
        $ongoing_jos = $this->getOngoingJobOrders($cust);

        // initialize data
        $data = [];

        // no ongoing
        if (count($ongoing_jos) <= 0)
        {
            $data = [
                'has_ongoing' => false,
            ];
        }
        else
        {
            $data = [
                'has_ongoing' => true,
            ];
        }

        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function addRiderRating(Request $req)
    {
        $required_params = [
            'jo_id',
            'rating',
        ];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // get customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res->getReturnResponse();
        }

        // get job order
        $jo_id = $req->request->get('jo_id');
        $jo = $em->getRepository(JobOrder::class)->find($jo_id);
        if ($jo == null)
        {
            $res->setError(true)
                ->setErrorMessage('No job order found');
            return $res->getReturnResponse();
        }

        // get rider
        $rider = $jo->getRider();
        if ($rider == null)
        {
            $res->setError(true)
                ->setErrorMessage('No rider found');
            return $res->getReturnResponse();
        }

        // check that the customer owns the job order
        $jo_cust = $jo->getCustomer();
        if ($jo_cust->getID() != $cust->getID())
        {
            $res->setError(true)
                ->setErrorMessage('Job order was not initiated by customer');
            return $res->getReturnResponse();
        }

        // TODO: check job order status, if it's complete

        // add rider rating
        $rating_num = $req->request->get('rating', -1);
        
        // if rating is -1
        if ($rating_num == -1)
        {
            $jo->setHasRiderRating();
            $em->flush();

            $res->setData([]);

            return $res->getReturnResponse();
        }


        $rating = new RiderRating();
        $rating->setRider($rider)
            ->setCustomer($cust)
            ->setJobOrder($jo)
            ->setRating($rating_num);

        // rider rating comment
        $comment = $req->request->get('comment');
        if (!empty($comment))
            $rating->setComment($comment);

        // mark jo as rider rated already
        $jo->setHasRiderRating();

        $em->persist($rating);
        $em->flush();

        // TODO: set average rating in rider entity

        $res->setData([]);

        return $res->getReturnResponse();
    }

    public function getJOInvoice(Request $req)
    {
        $required_params = [
            'jo_id',
        ];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // get job order
        $jo_id = $req->query->get('jo_id');
        $jo = $em->getRepository(JobOrder::class)->find($jo_id);
        if ($jo == null)
        {
            $res->setError(true)
                ->setErrorMessage('No job order found');
            return $res->getReturnResponse();
        }

        // get customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res->getReturnResponse();
        }

        // check that the customer owns the job order
        $jo_cust = $jo->getCustomer();
        if ($jo_cust->getID() != $cust->getID())
        {
            $res->setError(true)
                ->setErrorMessage('Job order was not initiated by customer');
            return $res->getReturnResponse();
        }

        $invoice = $jo->getInvoice();

        // make invoice json data
        $data = [
            'total_price' => (float) $invoice->getTotalPrice(),
            'vat_ex_price' => (float) $invoice->getVATExclusivePrice(),
            'vat' => (float) $invoice->getVAT(),
            'discount' => (float) $invoice->getDiscount(),
            'trade_in' => (float) $invoice->getTradeIn(),
        ];
        $items = $invoice->getItems();
        $items_data = [];
        foreach ($items as $item)
        {
            $my_data = [
                'title' => $item->getTitle(),
                'qty' => (int) $item->getQuantity() + 0,
                'price' => (float) $item->getPrice() + 0.0,
            ];

            $item_batt = $item->getBattery();
            if ($item_batt != null)
            {
                $my_data['image_url'] = $this->getBatteryImageURL($req, $item_batt);
            }

            $items_data[] = $my_data;
        }

        $data['items'] = $items_data;

        // set data
        $res->setData($data);


        /*
		// invoice items
		$inv_items = [];
		foreach ($inv->getItems() as $item)
		{
			$item_batt = $item->getBattery();
			if ($item_batt == null)
				$batt_id = null;
			else
				$batt_id = $item_batt->getID();
            
			$inv_items[] = [
				'id' => $item->getID(),
				'title' => $item->getTitle(),
				'qty' => $item->getQuantity(),
				'price' => $item->getPrice(),
				'batt_id' => $batt_id,
			];
        }

        $data = [
            'invoice' => [
                'discount' => $inv->getDiscount(),
                'trade_in' => $inv->getTradeIn(),
                'total_price' => $inv->getTotalPrice(),
                'vat' => $inv->getVat(),
                'items' => $inv_items,
            ],
        ];


        $res->setData($data);
        */

        return $res->getReturnResponse();
    }

    public function cancelJobOrder(Request $req, MQTTClient $mclient)
    {
        $required_params = [
            'jo_id',
            'reason'
        ];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // get job order
        $jo_id = $req->request->get('jo_id');
        $jo = $em->getRepository(JobOrder::class)->find($jo_id);
        if ($jo == null)
        {
            $res->setError(true)
                ->setErrorMessage('No job order found');
            return $res->getReturnResponse();
        }

        // get customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res->getReturnResponse();
        }

        // check that the customer owns the job order
        $jo_cust = $jo->getCustomer();
        if ($jo_cust->getID() != $cust->getID())
        {
            $res->setError(true)
                ->setErrorMessage('Job order was not initiated by customer');
            return $res->getReturnResponse();
        }

        // TODO: check job order status, if it's cancellable
		$cancel_reason = $req->request->get('reason');

        $jo->cancel($cancel_reason);

        // add event log
        $event = new JOEvent();
        $event->setDateHappen(new DateTime())
            ->setTypeID(JOEventType::CANCEL)
            ->setJobOrder($jo);
        $em->persist($event);

        $em->flush();

        // send mobile app event
        $payload = [
            'event' => 'cancelled',
            'reason' => $cancel_reason,
            'jo_id' => $jo->getID(),
        ];
        // $mclient->sendEvent($jo, $payload);
        $mclient->sendRiderEvent($jo, $payload);


        $res->setData([]);

        return $res->getReturnResponse();
    }

    public function getJOHistory(Request $req)
    {
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, []);
        if ($res->isError())
            return $res->getReturnResponse();

        // get customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res->getReturnResponse();
        }

        // get job orders
        $all_jo_data = [];
        $jos = $cust->getJobOrders();
        foreach ($jos as $jo)
        {
            $status = $jo->getStatus();

            $jo_data = [
                'id' => $jo->getID(),
                'date_create' => $jo->getDateCreate()->format('M d, Y'),
                'service_type' => $jo->getServiceType(),
                'status' => $status,
            ];

            // customer vehicle and warranty
            $cv = $jo->getCustomerVehicle();

            // get latest warranty using plate number
            $warranty = $this->findWarranty($cv->getPlateNumber());

            $jo_data['customer_vehicle'] = [
                'id' => $cv->getID(),
                'plate_number' => $cv->getPlateNumber(),
                'warranty' => $warranty,
            ];

            // rider
            $rider = $jo->getRider();
            if ($rider != null)
            {
                $jo_data['rider'] = $rider->getFullName();
            }

            // invoice items
            $items = [];
            $jo_items = $jo->getInvoice()->getItems();
            foreach ($jo_items as $item)
            {
                $items[] = [
                    'id' => $item->getID(),
                    'title' => $item->getTitle(),
                    'qty' => $item->getQuantity(),
                    'price' => $item->getPrice(),
                ];
            }

            $jo_data['items'] = $items;


            // dates depending on status
            switch ($status)
            {
                case JOStatus::FULFILLED:
                    if ($jo->getDateFulfill() == null)
                        $jo_data['date_fulfilled'] = '';
                    else
                        $jo_data['date_fulfilled'] = $jo->getDateFulfill()->format('M d, Y');
                    break;
                case JOStatus::CANCELLED:
                    $date_cancel = $jo->getDateCancel();
                    if ($date_cancel == null)
                        $date_cancel = new DateTime();
                    $jo_data['date_cancelled'] = $date_cancel->format('M d, Y');
                    break;
            }

            $all_jo_data[] = $jo_data;
        }

        // return data
        $data = [
            'job_orders' => $all_jo_data
        ];
        $res->setData($data);
        
        // response
        return $res->getReturnResponse();
    } 

    public function updateDeviceID(Request $req)
    {
        $required_params = [
            'device_id',
        ];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        $device_id = $req->request->get('device_id');
        $this->session->setDevicePushID($device_id);

        $em->flush();

        // response
        return $res->getReturnResponse();
    }

    public function resendCode(Request $req, RisingTideGateway $rt)
    {
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // already confirmed
        if ($this->session->isConfirmed())
        {
            $res->setError(true)
                ->setErrorMessage('User is already confirmed.');
            return $res->getReturnResponse();
        }

        // have sent code before
        if ($this->session->getDateCodeSent() != null)
        {
            $res->setError(true)
                ->setErrorMessage('Can only send confirm code every 5 mins.');
            return $res->getReturnResponse();
        }


        // TODO: send via sms
		$phone_number = $this->session->getPhoneNumber();
	    $code = $this->session->getConfirmCode();
        $this->sendConfirmationCode($rt, $phone_number, $code);


        return $res->getReturnResponse();
    }

    public function privacySettings(Request $req)
    {
        $required_params = [
            'priv_third_party',
            // 'priv_promo',
        ];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();
        
        // get customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res->getReturnResponse();
        }

        // set privacy settings
        $priv_promo = $req->request->get('priv_promo', false);
        $priv_third_party = $req->request->get('priv_third_party');
        $cust->setPrivacyThirdParty($priv_third_party)
            ->setPrivacyPromo($priv_promo);

        // get the policy ids from .env
        $dotenv = new Dotenv();
        $dotenv->loadEnv(__DIR__.'/../../.env');

        $policy_promo_id = $_ENV['POLICY_PROMO'];
        $policy_third_party_id = $_ENV['POLICY_THIRD_PARTY'];

        // check if privacy settings are true
        // if true, set the private policy for the customer
        if ($priv_promo)
        {
            // find the promo policy
            $policy = $em->getRepository(PrivacyPolicy::class)->find($policy_promo_id);

            // set policy id
            if ($policy != null)
            {
                $cust->setPrivacyPolicyPromo($policy);
            }
        }

        if ($priv_third_party)
        {
            // find the third party policy
            $policy = $em->getRepository(PrivacyPolicy::class)->find($policy_third_party_id);

            // set policy id
            if ($policy != null)
            {
                $cust->setPrivacyPolicyThirdParty($policy);
            }
        }

        $em->flush();

        return $res->getReturnResponse();
    }

    public function locationSupport(Request $req, GeofenceTracker $geo)
    {
        $required_params = [
            'longitude',
            'latitude',
        ];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

		$long = $req->query->get('longitude');
		$lat = $req->query->get('latitude');

        // geofence
        $is_covered = $geo->isCovered($long, $lat);

        $data = [
            'longitude' => $long,
            'latitude' => $lat,
            'supported' => $is_covered,
        ];
        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function activateWarranty(Request $req)
    {
        $required_params = ['plate_number'];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        $plate_number = $req->request->get('plate_number');

        // find warranty using plate number
        $warranty_results = $em->getRepository(Warranty::class)->findBy(['plate_number' => $plate_number],
                        ['date_create' => 'desc']);

        // check if warranty_results is empty
        if (empty($warranty_results))
        {
            $res->setError(true)
                ->setErrorMessage('No warranty found for plate number');
            return $res->getReturnResponse();
        }

        // activate all entries
        foreach ($warranty_results as $warranty)
        {
            $warranty->setActivated();
        }

        $em->flush();

        return $res->getReturnResponse();
    }

    protected function findWarranty($plate_number)
    {
        $em = $this->getDoctrine()->getManager();
        // NOTE: Modify the search for the latest warranty. This seems hacky.
        // get latest warranty using plate number
        $warranty_results = $em->getRepository(Warranty::class)->findBy(['plate_number' => $plate_number],
                        ['date_create' => 'desc']);

        $warr = [];

        // check if warranty_results is empty
        if (empty($warranty_results))
        {
            /*
            $res->setError(true)
                ->setErrorMessage('No warranty found for plate number');
            return $res->getReturnResponse();
            */

            return $warr;
        }

        // get first entry
        $warranty = current($warranty_results);

        // check for null values for battery and date claim and date expire
        $batt_model = '';
        $batt_size = '';
        $sap_batt = '';
        $claim_date = '';
        $expiry_date = '';

        if (!(is_null($warranty->getBatteryModel()))) {
            $batt_model = $warranty->getBatteryModel()->getName();
        }
        if (!(is_null($warranty->getBatterySize()))) {
            $batt_size = $warranty->getBatterySize()->getName();
        }
        if (!(is_null($warranty->getSAPBattery()))) {
            $sap_batt = $warranty->getSAPBattery()->getID();
        }
        if (!(is_null($warranty->getDateClaim()))) {
            $claim_date = $warranty->getDateClaim()->format("d M Y");
        }
        if (!(is_null($warranty->getDateExpire()))) {
            $expiry_date = $warranty->getDateExpire()->format("d M Y");
        }

        $warr[] = [
            'id' => $warranty->getID(),
            'serial' => $warranty->getSerial(),
            'warranty_class' => $warranty->getWarrantyClass(),
            'plate_number' => $warranty->getPlateNumber(),
            'first_name' => $warranty->getFirstName(),
            'last_name' => $warranty->getLastName(),
            'mobile_number' => $warranty->getMobileNumber(),
            'battery_model' => $batt_model,
            'battery_size' => $batt_size,
            'sap_battery' => $sap_batt,
            'status' => $warranty->getStatus(),
            'date_create' => $warranty->getDateCreate()->format("d M Y g:i A"),
            'date_purchase' => $warranty->getDatePurchase()->format("d M Y"),
            'date_expire' => $expiry_date,
            'date_claim' => $claim_date,
            'claim_from' => $warranty->getClaimedFrom(),
            'is_activated' => $warranty->isActivated() ? 1 : 0,
        ];

        return $warr;
    }

    public function listServices(Request $req)
    {
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // services
        $results = $em->getRepository(Service::class)->findAll();
        if (empty($results))
        {
            $res->setError(true)
                ->setErrorMessage('No services available.');
            return $res->getReturnResponse();
        }

        $services = [];
        foreach ($results as $result)
        {
            /*
            // get partners
            $partners = [];
            $service_partners = $result->getPartners();
            foreach($service_partners as $sp)
            {
                $partners[] = [
                    'id' => $sp->getID(),
                    'name' => $sp->getName(),
                    'branch' => $sp->getBranch(),
                    'address' => $sp->getAddress(),
                    'contact_nums' => $sp->getContactNumbers(),
                    'time_open' => $sp->getTimeOpen()->format("g:i A"),
                    'time_close' => $sp->getTimeClose()->format("g:i A"),
                ];
            }
            */

            $services[] = [
                'id' => $result->getID(),
                'name' => $result->getName(),
                // 'partners' => $partners,
            ];
        }

        $data['services'] = $services;

        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function getPartnerInformation(Request $req, $pid)
    {
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // get partner
        $partner = $em->getRepository(Partner::class)->findOneBy(['id' => $pid]);
        if ($partner == null)
        {
            $res->setError(true)
                ->setErrorMessage('No partner found.');
            return $res->getReturnResponse();
        }

        // get reviews for partner
        $reviews = $em->getRepository(Review::class)->findBy(['partner' => $partner]);

        // get average rating for all reviews
        $average_rating = 0;
        if (!empty($reviews))
        {
            $rating = 0;
            foreach($reviews as $review)
            {
                $rating = $rating + $review->getRating();
            }

            $average_rating = $rating / sizeof($reviews);
        }
        
        $data['partner'] = [
            'id' => $partner->getID(),
            'name' => $partner->getName(),
            'branch' => $partner->getBranch(),
            'address' => $partner->getAddress(),
            'contact_nums' => $partner->getContactNumbers(),
            'time_open' => $partner->getTimeOpen()->format("g:i A"),
            'time_close' => $partner->getTimeClose()->format("g:i A"),
            'longitude' => $partner->getCoordinates()->getLongitude(),
            'latitude' => $partner->getCoordinates()->getLatitude(),
            'average_rating' => $average_rating,
        ];

        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function getClosestPartners(Request $req)
    {
        $required_params = [
            'longitude',
            'latitude',
            'service_id',
            'limit',
        ];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        $long = $req->query->get('longitude');
        $lat = $req->query->get('latitude');
        $service_id = $req->query->get('service_id');
        $limit = $req->query->get('limit');

        // get partners within range
        $query = $em->createQuery('SELECT p, st_distance(p.coordinates, point(:lng, :lat)) as dist FROM App\Entity\Partner p
                JOIN App\Entity\Service s where s.id = :service_id ORDER BY dist')
                ->setParameter('lat', $lat)
                ->setParameter('lng', $long)
                ->setParameter('service_id', $service_id);

        $query->setMaxResults($limit);
        $result = $query->getResult();

        $data = [];
        $partners = [];
        foreach($result as $row)
        {
            $partners[] =  [
                'id' => $row[0]->getID(),
                'name' => $row[0]->getName(),
                'branch' => $row[0]->getBranch(),
                'address' => $row[0]->getAddress(),
                'contact_nums' => $row[0]->getContactNumbers(),
                'time_open' => $row[0]->getTimeOpen()->format("g:i A"),
                'time_close' => $row[0]->getTimeClose()->format("g:i A"),
                'longitude' => $row[0]->getCoordinates()->getLongitude(),
                'latitude' => $row[0]->getCoordinates()->getLatitude(),
                'db_distance' => $row['dist'],
            ]; 
        }

        $data['partners'] = $partners;

        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function reviewPartner($pid, Request $req, EntityManagerInterface $em)
    {
        $required_params = [
            'rating',
            'message',
        ];

        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        $rating = $req->request->get('rating');
        $msg = $req->request->get('message');

        // TODO: check rating if 1 - 5

        // check if partner exists
        $partner = $em->getRepository(Partner::class)->find($pid);
        if ($partner == null)
        {
            $res->setError(true)
                ->setErrorMessage('No partner found.');
            return $res->getReturnResponse();
        }
        
        $rev = new Review();
        $rev->setRating($rating)
            ->setMessage($msg)
            ->setPartner($partner)
            ->setMobileSession($this->session);

        // save to db
        $em->persist($rev);
        $em->flush();

        $data = [];
        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function getNearestHubAndSlots(Request $req, EntityManagerInterface $em,
                                          MapTools $map_tools)
    {
        $required_params = [
            'longitude',
            'latitude',
        ];

        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        $coordinates = new Point($req->query->get('longitude'), $req->query->get('latitude'));
        $nearest_hub_slots = $this->findAdvanceNearestHubAndSlots($coordinates, $em, $map_tools);

        if (empty($nearest_hub_slots['hub']))
        {
            $res->setError(true)
                ->setErrorMessage('Thank you for reaching out to us. Due to the General Community Quarantine, our Operations are from 8AM to 6PM only. Please expect a call from us tomorrow and we will assist you with your request. Thank you and stay safe!');
            return $res->getReturnResponse();
        }        

        // make hub data
        $data = [
            'hub_id' => $nearest_hub_slots['hub']->getID(),
            'hub_slots' => $nearest_hub_slots['slots'],
        ]; 

        $res->setData($data);

        return $res->getReturnResponse();

    }

    public function newRequestJobOrder(Request $req, InvoiceGeneratorInterface $ic, GeofenceTracker $geo,
                                       MapTools $map_tools, InventoryManager $im, MQTTClient $mclient,
                                       RiderAssignmentHandlerInterface $rah)
    {
        // check required parameters and api key
        $required_params = [
            'service_type',
            'cv_id',
            'trade_in',
            'long',
            'lat',
            'warranty',
            'mode_of_payment',
        ];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // trade in type
        $trade_in = $req->request->get('trade_in');

        // address
        $address = $req->request->get('delivery_address', 'Set by mobile application');

        // instructions
        $instructions = $req->request->get('delivery_instructions', '');

        // longitude and latitude
        $long = $req->request->get('long');
        $lat = $req->request->get('lat');

        // geofence
        $is_covered = $geo->isCovered($long, $lat);
        if (!$is_covered)
        {
            // TODO: put geofence error message in config file somewhere
            $res->setError(true)
                ->setErrorMessage('Oops! Our service is limited to some areas in Metro Manila, Laguna, and Baguio only. We will update you as soon as we are able to cover your area');
            return $res->getReturnResponse();
        }

        $hub = null;
        $hub_id = $req->request->get('hub_id');
        if (strlen($hub_id) > 0)
            $hub = $em->getRepository(Hub::class)->find($hub_id);

        $schedule_date = $req->request->get('date_schedule');
        $slot_id = $req->request->get('slot_id');
        $advance_order = $req->request->get('flag_advance_order');
        // check for 'false' text
        if ($advance_order === false || $advance_order === 0 || $advance_order === '0' || $advance_order == 'false')
            $flag_advance_order = false;
        else 
            $flag_advance_order = true;
        // $flag_advance_order = $advance_order ? true : false;

        $jo = new JobOrder();
        $jo->setSource(TransactionOrigin::MOBILE_APP)
            ->setStatus(JOStatus::PENDING)
            ->setDeliveryInstructions('')
            ->setTier1Notes('')
            ->setTier2Notes('')
            ->setDeliveryAddress($address)
            ->setTradeInType($trade_in)
            ->setDeliveryInstructions($instructions)
            // TODO: error check for valid mode of payment
            ->setModeOfPayment($req->request->get('mode_of_payment'))
            ->setAdvanceOrder($flag_advance_order)
            ->setStatusAutoAssign(AutoAssignStatus::NOT_ASSIGNED);

        // customer
        $cust = $this->session->getCustomer();
        if ($cust == null)
        {
            $res->setError(true)
                ->setErrorMessage('No customer information found');
            return $res->getReturnResponse();
        }
        $jo->setCustomer($cust);

        // validate service type
        $stype = $req->request->get('service_type');
        if (!ServiceType::validate($stype))
        {
            $res->setError(true)
                ->setErrorMessage('Invalid service type');
            return $res->getReturnResponse();
        }
        $jo->setServiceType($stype);

        // validate warranty
        $warr = $req->request->get('warranty');
        if (!WarrantyClass::validate($warr))
        {
            $res->setError(true)
                ->setErrorMessage('Invalid warranty class');
            return $res->getReturnResponse();
        }
        $jo->setWarrantyClass($warr);

        // set coordinates
        $point = new Point($long, $lat);
        $jo->setCoordinates($point);

        // make invoice criteria
        $icrit = new InvoiceCriteria();
        $icrit->setServiceType($stype);

        // check promo
        $promo_id = $req->request->get('promo_id');
        if (!empty($promo_id))
        {
            $promo = $em->getRepository(Promo::class)->find($promo_id);
            if ($promo == null)
            {
                $res->setError(true)
                    ->setErrorMessage('Invalid promo id');
                return $res->getReturnResponse();
            }

            // put in criteria
            $icrit->addPromo($promo);
        }

        // check customer vehicle
        $cv = $em->getRepository(CustomerVehicle::class)->find($req->request->get('cv_id'));
        if ($cv == null)
        {
            $res->setError(true)
                ->setErrorMessage('Invalid customer vehicle id');
            return $res->getReturnResponse();
        }
        $icrit->setCustomerVehicle($cv);
        $jo->setCustomerVehicle($cv);

        // check if customer owns vehicle
        if ($cust->getID() != $cv->getCustomer()->getID())
        {
            $res->setError(true)
                ->setErrorMessage('Customer does not own vehicle');
            return $res->getReturnResponse();
        }

        // check battery
        $batt_id = $req->request->get('batt_id');
        if ($batt_id != null)
        {
            $batt = $em->getRepository(Battery::class)->find($batt_id);
            if ($batt == null)
            {
                $res->setError(true)
                    ->setErrorMessage('Invalid battery id');
                return $res->getReturnResponse();
            }
        }
        else
            $batt = null;

        /*
        // put battery in criteria
        $icrit->addBattery($batt);
        */

        // check trade-in
        // only allow motolite, other, none
        switch ($trade_in)
        {
            case TradeInType::MOTOLITE:
            case TradeInType::OTHER:
                break;

            default:
                $trade_in = '';
                break;
        }

        $icrit->addEntry($batt, $trade_in, 1);

        // send to invoice generator
        $invoice = $ic->generateInvoice($icrit);
        $jo->setInvoice($invoice);

        // assign hub and rider
        // check if hub is null
        if ($hub == null)
        {
            // find nearest hub
            if (($jo->getServiceType() == ServiceType::BATTERY_REPLACEMENT_NEW) ||
                ($jo->getServicetype() == ServiceType::BATTERY_REPLACEMENT_WARRANTY))
            {
                // get nearest hub
                // $nearest_hub = $this->findNearestHubWithInventory($jo, $batt, $em, $map_tools, $im);
                $nearest_hub = $this->findNearestHub($jo, $em, $map_tools);
            }
            else
            {
                $nearest_hub = $this->findNearestHub($jo, $em, $map_tools);
            }

            if (!empty($nearest_hub))
            {
                //error_log('found nearest hub ' . $nearest_hub->getID());
                // assign rider
                $available_riders = $nearest_hub->getAvailableRiders();
                if (count($available_riders) > 0)
                {
                    $assigned_rider = null;
                    if (count($available_riders) > 1)
                    {
                        // TODO: the setting of riders into an array
                        //  will no longer be necessary when the contents
                        // of randomizeRider changes
                        $riders = [];
                        foreach ($available_riders as $rider)
                        {
                            $riders[] = $rider;
                        }

                        $assigned_rider = $this->randomizeRider($riders);
                    }
                    else
                        $assigned_rider = $available_riders[0];

                    //error_log('found rider ' . $assigned_rider->getID());
                    $jo->setHub($nearest_hub);
                    $jo->setRider($assigned_rider);
                    $jo->setStatus(JOStatus::ASSIGNED);
                    $jo->setStatusAutoAssign(AutoAssignStatus::HUB_AND_RIDER_ASSIGNED);

                    $assigned_rider->setAvailable(false);
                }
            }
        }
        else
        {
            $date_schedule = null;
            if ((strlen($schedule_date) > 0) && (strlen($slot_id) > 0))
            {
                $time_schedule = $this->getTimeFromSlot($slot_id);
                if (!empty($time_schedule))
                {
                    $s_date = $schedule_date . ' ' . $time_schedule;
                    $date_schedule = DateTime::createFromFormat('Y-m-d H:i', $s_date);
                    //error_log($date_schedule->format('Y-m-d H:i'));
                }
            }
            
            $jo->setHub($hub);
            $jo->setStatus(JOStatus::RIDER_ASSIGN);
            $jo->setStatusAutoAssign(AutoAssignStatus::HUB_ASSIGNED);

            if ($date_schedule != null)
                $jo->setDateSchedule($date_schedule); 
        } 

        $em->persist($jo);
        $em->persist($invoice);

        // add event log for JO
        $event = new JOEvent();
        $event->setDateHappen(new DateTime())
            ->setTypeID(JOEventType::CREATE)
            ->setJobOrder($jo);
        $em->persist($event);

        // check JO status
        if ($jo->getStatus() == JOStatus::ASSIGNED)
        {
            // add event logs for hub and rider assignments
            $hub_assign_event = new JOEvent();
            $hub_assign_event->setDateHappen(new DateTime())
                ->setTypeID(JOEventType::HUB_ASSIGN)
                ->setJobOrder($jo);

            $em->persist($hub_assign_event);

            $rider_assign_event = new JOEvent();
            $rider_assign_event->setDateHappen(new DateTime())
                ->setTypeID(JOEventType::RIDER_ASSIGN)
                ->setJobOrder($jo);

            $em->persist($rider_assign_event);

            // user mqtt event
            $payload = [
               'event' => 'outlet_assign'
            ];
            $mclient->sendEvent($jo, $payload);

            $rah->assignJobOrder($jo, $jo->getRider());
        }

        if ($jo->getStatus() == JOStatus::RIDER_ASSIGN)
        {
            // add event logs for hub assignments
            $hub_assign_event = new JOEvent();
            $hub_assign_event->setDateHappen(new DateTime())
                ->setTypeID(JOEventType::HUB_ASSIGN)
                ->setJobOrder($jo);

            $em->persist($hub_assign_event);

            // user mqtt event
            $payload = [
               'event' => 'outlet_assign'
            ];
            $mclient->sendEvent($jo, $payload);
        } 

        $em->flush();

        // make invoice json data
        $invoice_data = [
            'total_price' => $invoice->getTotalPrice(),
            'vat_ex_price' => $invoice->getVATExclusivePrice(),
            'vat' => $invoice->getVAT(),
            'discount' => $invoice->getDiscount(),
            'trade_in' => $invoice->getTradeIn(),
        ];
        $items = $invoice->getItems();
        $items_data = [];
        foreach ($items as $item)
        {
            $items_data[] = [
                'title' => $item->getTitle(),
                'qty' => $item->getQuantity() + 0,
                'price' => $item->getPrice() + 0.0,
            ];
        }
        $invoice_data['items'] = $items_data;

        // make job order data
        $data = [
            'jo_id' => $jo->getID(),
            'invoice' => $invoice_data
        ];

        // set data
        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function versionCheck(Request $req)
    {
        $res = new APIResult();

        $required_params = [
            'version',
        ];

        $missing = $this->checkMissingParameters($req, $required_params);
        if (count($missing) > 0)
        {
            $params = implode(', ', $missing);
            $res->setError(true)
                ->setErrorMessage('Missing parameter(s): ' . $params);
            return $res->getReturnResponse();
        }

        $need_update = false;
        $msg = 'Version is up to date.';

        $api_version = $this->getParameter('api_version');

        $app_version = $req->query->get('version');

        $api_v = explode('.', $api_version);
        $app_v = explode('.', $app_version);

        if ($api_v[0] < $app_v[0])
        {
            $res->setError(true)
                ->setErrorMessage('Invalid application version: ' . $app_version);
            return $res->getReturnResponse();
        }

        if ($api_v[0] > $app_v[0])
        {
            $need_update = true;
            $msg = 'Your version is outdated and needs an update to use the latest features RES-Q has to offer.';
        }


        $data = [
            'need_update' => $need_update,
            'message' => $msg,
        ];

        $res->setData($data);

        return $res->getReturnResponse();
    }

    public function scheduleOptionStatus(Request $req)
    {
        // check required parameters and api key
        $required_params = [];
        $em = $this->getDoctrine()->getManager();
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        $schedule_choice = true;

        // TODO: remove the time check after ECQ. This will then always return true
        // get current time
        $current_datetime = new DateTime();
        //$current_datetime = DateTime::createFromFormat('Y-m-d H:i', '2020-04-30 17:01');

        // get the hour
        $hour = $current_datetime->format('G');

        if (($hour < 8) || ($hour > 16))
            $schedule_choice = false;

        $data = [
            'display_schedule_choice' => $schedule_choice,
        ];
        $res->setData($data);

        return $res->getReturnResponse();
    }

    protected function checkCustomerPlateNumber($plate_number, $cust)
    {
        // strip spaces and make all caps
        $plate_number = preg_replace('/\s+/', '', strtoupper($plate_number));

        // if there's no customer linked to session
        if ($cust != null)
        {
            // check all the customer vehicles
            $cvs = $cust->getVehicles();
            foreach ($cvs as $cv)
            {
                $cv_plate = preg_replace('/\s+/', '', strtoupper($cv->getPlateNumber()));

                // did we find a match?
                if ($cv_plate == $plate_number)
                {
                    return true;
                }
            }
        }

        return false;
    }

    public function warrantyCheck($serial, EntityManagerInterface $em, Request $req)
    {
        // check required parameters and api key
        $required_params = [];
        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
            return $res->getReturnResponse();

        // check if warranty serial is there
        $warr_serial = $em->getRepository(WarrantySerial::class)->find($serial);
        $warr = $em->getRepository(Warranty::class)->findOneBy(['serial' => $serial]);
        $batt = null;
        $is_registered = false;

        if ($warr_serial == null)
        {
            $res->setError(true)
                ->setErrorMessage('Invalid warranty serial code.');
            return $res->getReturnResponse();
        }

        $today = new DateTime();

        // if we have a warranty entry for the serial already
        if ($warr != null)
        {
            $warr_plate = $warr->getPlateNumber();
            $is_registered = true;
            $is_customer_warranty = false;

            // check if the warranty is registered to a car owned by the customer
            $cust = $this->session->getCustomer();
            $is_customer_warranty = $this->checkCustomerPlateNumber($warr_plate, $cust);

            // null mobile number should be blank string instead
            if ($warr->getMobileNumber() == null)
                $mobile_num = '';
            else 
                $mobile_num = $warr->getMobileNumber();

            $can_edit = $is_customer_warranty;

            // if customer plate number matches the one registered on the warranty
            if ($is_customer_warranty)
            {
                // purchase date of customer
                if ($warr->getDatePurchaseCustomer() != null)
                    $date_purchase_cust = $warr->getDatePurchaseCustomer()->format('Y-m-d');
                else
                    $date_purchase_cust = $today->format('Y-m-d');


                // invoice
                if ($warr->getFileInvoice() != null)
                    $invoice_url = $req->getSchemeAndHttpHost() . '/warranty_uploads/' . $warr->getFileInvoice();
                else
                    $invoice_url = '';

                // warranty card
                if ($warr->getFileWarrantyCard() != null)
                    $warr_card_url = $req->getSchemeAndHttpHost() . '/warranty_uploads/' . $warr->getFileWarrantyCard();
                else
                    $warr_card_url = '';

                $customer = [
                    'first_name' => $warr->getFirstName() ?? '',
                    'last_name' => $warr->getLastName() ?? '',
                    'mobile_number' => $mobile_num,
                    'plate_number' => $warr_plate,
                    'email' => $warr->getEmail() ?? '',
                    'contact_num' => $warr->getContactNumber() ?? '',
                    'address' => $warr->getCustomerAddress() ?? '',
                ];
                $other_data = [
                    'odometer' => (int) $warr->getOdometer() ?? 0,
                    'date_purchase' => $date_purchase_cust,
                    'invoice' => $invoice_url,
                    'warr_card' => $warr_card_url,
                    'dealer_name' => $warr->getDealerName() ?? '',
                    'dealer_address' => $warr->getDealerAddress() ?? '',
                ];
            }
            else
            {
                // hide customer information if customer is not the one registered
                $customer = [
                    'first_name' => '',
                    'last_name' => '',
                    'mobile_number' => '',
                    'plate_number' => '',
                    'email' => '',
                    'contact_num' => '',
                    'address' => '',
                ];
                $other_data = [
                    'odometer' => 0,
                    'date_purchase' => $today->format('Y-m-d'),
                    'invoice' => '',
                    'warr_card' => '',
                    'dealer_name' => '',
                    'dealer_address' => '',
                ];
            }
        }
        else
        {
            $can_edit = true;
            $customer = [
                'first_name' => '',
                'last_name' => '',
                'mobile_number' => '',
                'plate_number' => '',
                'email' => '',
                'contact_num' => '',
                'address' => '',
            ];
            $other_data = [
                'odometer' => 0,
                'date_purchase' => $today->format('Y-m-d'),
                'invoice' => '',
                'warr_card' => '',
                'dealer_name' => '',
                'dealer_address' => '',
            ];
        }

        $sku = $warr_serial->getSKU();
        $batt = null;
        $cat_name = '';
        if ($sku != null)
            $batt = $em->getRepository(SAPBattery::class)->find($sku);
        else
        {
            // get the category name of the serial
            $cat_name = $warr_serial->getMetaInfo('category_name');
        }

        // TODO: put this in a config file
        $image_url = $req->getSchemeAndHttpHost() . '/battery/generic.png';
        if ($batt != null)
        {
            $battery = [
                'brand' => $batt->getBrand()->getName(),
                'size' => $batt->getSize()->getName(),
                'image_url' => $image_url,
            ];
        }
        else 
        {
            $battery = [
                'brand' => $cat_name,
                'size' => '',
                'image_url' => '',
            ];
        }

        // populate data
        $data = [
            'is_valid' => true,
            'is_registered' => $is_registered,
            'can_edit' => $can_edit,
            'customer' => $customer,
            'battery' => $battery,
            'odometer' => $other_data['odometer'],
            'invoice' => $other_data['invoice'],
            'warr_card' => $other_data['warr_card'],
            'date_purchase' => $other_data['date_purchase'],
            'dealer_name' => $other_data['dealer_name'],
            'dealer_address' => $other_data['dealer_address'],
            'message' => [
                'register_error' => 'Warranty serial code has already been registered.',
                'edit_error' => 'Sorry, warranty is registered under another vehicle not in your list of vehicles.',
            ],
        ];

        $res->setData($data);

        return $res->getReturnResponse();
    }

    protected function handlePictureUpload($file, $target_dir, $serial, $name)
    {
        error_log("handling $name upload");
        // no file sent
        if ($file == null)
        {
            error_log('no file');
            return null;
        }

        // create target dir if it doesn't exist
        if (!file_exists($target_dir))
        {
            if (!mkdir($target_dir, 0744, true))
            {
                error_log('failed to create folder for warranty pictures');
                return null;
            }
        }

        // move file
        $filename = $name . '.' . $file->getClientOriginalExtension();
        $file->move($target_dir . '/' . $serial, $filename);

        error_log("filename - $filename");
        error_log($target_dir . '/' . $serial . '/' . $filename);

        return $serial . '/' . $filename;
    }

    public function warrantyRegister($serial, EntityManagerInterface $em, Request $req, KernelInterface $kernel, RisingTideGateway $rt, 
                                     TranslatorInterface $trans, WarrantyAPILogger $logger)
    {
        // check required parameters and api key
        $required_params = [
            'first_name',
            'last_name',
            'plate_number',
            'date_purchase',
        ];

        // handle file uploads
        $invoice = $req->files->get('invoice');
        $warr_card = $req->files->get('warr_card');

        // normalize serial
        $serial = trim(strtoupper($serial));

        // process picture uploads
        $upload_dir = $kernel->getProjectDir() . '/public/warranty_uploads';
        $inv_filename = $this->handlePictureUpload($invoice, $upload_dir, $serial, 'invoice');
        $wcard_filename = $this->handlePictureUpload($warr_card, $upload_dir, $serial, 'wcard');

        $user_id = $req->query->get('api_key');
        $log_data = [
            'plate_number' => $req->request->get('plate_num'),
            'first_name' => $req->request->get('first_name'),
            'last_name' => $req->request->get('last_name'),
            'date_purchase' => $req->request->get('date_purchase'),
        ];
        $action = 'create';
        $source = WarrantySource::MOBILE;

        $res = $this->checkParamsAndKey($req, $em, $required_params);
        if ($res->isError())
        {
            $logger->logWarrantyInfo($log_data, $res->getErrorMessage(), $user_id, $action, $source);
            return $res->getReturnResponse();
        }

        // update customer information
        // $cust = $this->updateCustomerInfo($req, $em);

        // update warranty
        $res = $this->updateWarranty($res, $em, $rt, $trans, $req, $serial, $inv_filename, $wcard_filename, 
                                     $logger, $log_data, $user_id, $action, $source);

        $em->flush();

        return $res->getReturnResponse();
    }

    protected function updateWarranty($res, $em, $rt, $trans, $req, $serial, $inv_filename = null, $wcard_filename = null,
                                      $logger, $log_data, $user_id, $action, $source)
    {
        // get serial
        $warr_serial = $em->getRepository(WarrantySerial::class)->find($serial);
        if ($warr_serial == null)
        {
            $res->setError(true)
                ->setErrorMessage('Invalid warranty serial code.');
            $logger->logWarrantyInfo($log_data, $res->getErrorMessage(), $user_id, $action, $source);
            return $res;
        }

        // check if warranty exists already
        $warr = $em->getRepository(Warranty::class)->findOneBy(['serial' => $serial]);

        // skip warranty if it already exists
        if ($warr != null)
        {
            /*
            // NOTE: we could not update in the old version
            $res->setError(true)
                ->setErrorMessage('Warranty registration entry already exists.');
            return $res;
            */

            // check if warranty is registered to a serial owned by customer
            $warr_plate = $warr->getPlateNumber();
            $cust = $this->session->getCustomer();
            $is_customer_warranty = $this->checkCustomerPlateNumber($warr_plate, $cust);

            if (!$is_customer_warranty)
            {
                $res->setError(true)
                    ->setErrorMessage('Warranty registred to a vehicle not in your list of vehicles.');
                $logger->logWarrantyInfo($log_data, $res->getErrorMessage(), $user_id, $action, $source);
                return $res;
            }

            $sms_msg = $trans->trans('warranty_update_confirm');
        }
        else
        {
            $warr = new Warranty();
            $sms_msg = $trans->trans('warranty_register_confirm');
        }

        // get sap battery
        $sku = $warr_serial->getSKU();
        $sap_bty = null;
        if ($sku != null)
        {
            $sap_bty = $em->getRepository(SAPBattery::class)->find($sku);
            if ($sap_bty == null)
            {
                $res->setError(true)
                    ->setErrorMessage('Could not find battery entry for warranty.');
                $logger->logWarrantyInfo($log_data, $res->getErrorMessage(), $user_id, $action, $source);
                return $res;
            }
        }

        // default date purchase to today
        // NOTE: might need to change this later
        $date_pur = new DateTime();

        // get date purchase specified by customer
        $date_pur_cust = DateTime::createFromFormat('Y-m-d', $req->request->get('date_purchase'));
        if (!$date_pur_cust)
        {
            $res->setError(true)
                ->setErrorMessage('Invalid date format for date of purchase.');
            $logger->logWarrantyInfo($log_data, $res->getErrorMessage(), $user_id, $action, $source);
            return $res;
        }


        // create or update warranty entry
        $warr->setSerial($serial)
            ->setFirstName($req->request->get('first_name'))
            ->setLastName($req->request->get('last_name'))
            ->setEmail($req->request->get('email'))
            ->setPlateNumber($req->request->get('plate_number'))
            // TODO: figure out how to compute date of purchase
            ->setDatePurchase($date_pur)
            // TODO: set status
            // ->setStatus()
            // TODO: set battery model and size id
            // ->setBatterySize()
            // ->setBatteryModel()
            ->setSAPBattery($sap_bty)
            ->setMobileNumber(substr($this->session->getPhoneNumber(), 2))
            ->setActivated(true)

            // files
            ->setFileInvoice($inv_filename)
            ->setFileWarrantyCard($wcard_filename)

            // new fields
            ->setOdometer($req->request->get('odometer', 0))
            ->setDatePurchaseCustomer($date_pur_cust)
            ->setContactNumber($req->request->get('contact_num'))
            ->setCustomerAddress($req->request->get('cust_address'))
            ->setDealerName($req->request->get('dealer_name'))
            ->setDealerAddress($req->request->get('dealer_address'))
            ->setValidated(false);

        // TODO: check for date purchase and date expire

        $em->persist($warr);

        // TODO: check if we need to do anyting else
        $data = [];

        // set data to retrun to user
        $res->setData($data);

        $logger->logWarrantyInfo($log_data, '', $user_id, $action, $source);

        // send sms
        error_log('sending sms to - ' . $this->session->getPhoneNumber());
        $rt->sendSMS($this->session->getPhoneNumber(), 'MOTOLITE', $sms_msg);

        return $res;
    }

    protected function findCustomerByNumber($number)
    {
        $em = $this->getDoctrine()->getManager();
        $customers = $em->getRepository(Customer::class)->findBy(['phone_mobile' => $number]);

        // find the customer with the most number of cars
        $car_count = 0;
        $cust = null;

        foreach($customers as $customer)
        {
            $vehicles = $customer->getVehicles();
            if (count($vehicles) > $car_count)
            {
                $car_count = count($vehicles);

                // "save" customer object
                $cust = $customer;
            }
        }

        return $cust;
    }

    protected function findNearestHub($jo, EntityManagerInterface $em, MapTools $map_tools)
    {
        // get the nearest 10 hubs
        $selected_hub = null;
        $hubs = $map_tools->getClosestOpenHubs($jo->getCoordinates(), 10, date("H:i:s"));

        $nearest_hubs_with_distance = [];
        $nearest_branch_codes = [];
        foreach ($hubs as $hub)
        {
            $nearest_hubs_with_distance[] = $hub;
            //if (!empty($hub['hub']->getBranchCode()))
            //    $nearest_branch_codes[] = $hub['hub']->getBranchCode();
        }

        // check if nearest hubs have branch codes
        //if (count($nearest_branch_codes) == 0)
        //    return $selected_hub;

        // assume all 10 have stock
        // find the nearest hub with available riders
        $nearest = null;
        foreach ($nearest_hubs_with_distance as $nhd)
        {
            // get number of available riders
            $count_riders = count($nhd['hub']->getAvailableRiders());

            // get number of advance orders in the next 3 hours
            $time_now = new DateTime();
            $date_end = new DateTime();
            $date_end->add(new DateInterval('PT2H'));

            // NOTE: get advance orders via query
            // get JOs assigned to hub that are advance orders and scheduled within X hours with
            // for rider assignment status
            $query = $em->createQuery('select count(jo) from App\Entity\JobOrder jo where jo.hub = :hub and jo.flag_advance = true and jo.date_schedule <= :date_end and jo.status = :status');
            $count_advance_orders = $query->setParameters([
                    'hub' => $nhd['hub'],
                    'date_end' => $date_end,
                    'status' => JOStatus::RIDER_ASSIGN,
                ])
                ->setMaxResults(1)
                ->getSingleScalarResult();

            error_log('HUB - ' . $nhd['hub']->getID());
            error_log('RIDER COUNT - ' . $count_riders);
            error_log('ADVANCE ORDER COUNT - ' . $count_advance_orders);

            // if (count($nhd['hub']->getAvailableRiders()) > 0)
            // if we have more riders than we have advance orders
            if ($count_riders - $count_advance_orders > 0)
            {
                if (empty($nearest))
                    $nearest = $nhd;
                else
                {
                    if ($nhd['distance'] < $nearest['distance'])
                        $nearest = $nhd;
                }
            }
        }

        $selected_hub = $nearest['hub'];

        return $selected_hub;
    }
    
    protected function findNearestHubWithInventory($jo, Battery $batt, EntityManagerInterface $em,
                                                   MapTools $map_tools, InventoryManager $im)
    {
        // get the nearest 10 hubs
        $selected_hub = null;
        $hubs = $map_tools->getClosestOpenHubs($jo->getCoordinates(), 10, date("H:i:s"));

        $nearest_hubs_with_distance = [];
        $nearest_branch_codes = [];
        foreach ($hubs as $hub)
        {
            $nearest_hubs_with_distance[] = $hub;
            //if (!empty($hub['hub']->getBranchCode()))
            //    $nearest_branch_codes[] = $hub['hub']->getBranchCode();
        }

        // check if nearest hubs have branch codes
        //if (count($nearest_branch_codes) == 0)
        //    return $selected_hub;

        // assume all 10 have stock
        // find the nearest hub with available riders
        $nearest = null;
        foreach ($nearest_hubs_with_distance as $nhd)
        {
            if (count($nhd['hub']->getAvailableRiders()) > 0)
            {
                if (empty($nearest))
                    $nearest = $nhd;
                else
                {
                    if ($nhd['distance'] < $nearest['distance'])
                        $nearest = $nhd;
                }
            }
        }

        $selected_hub = $nearest['hub'];

        // uncomment this snippet when inventory check becomes active
        // get battery sku
        /*
        if ($batt != null)
        {
            $skus[] = $batt->getSAPCode();

            // api call to check inventory
            // pass the list of branch codes of nearest hubs and the skus
            // go through returned list of branch codes 
            // bypass inventory check for now
            // $hubs_with_inventory = $im->getBranchesInventory($nearest_branch_codes, $skus);
            if (!empty($hubs_with_inventory))
            {
                $nearest = [];
                $flag_hub_found = false;
                foreach ($hubs_with_inventory as $hub_with_inventory)
                {
                    // find hub according to branch code
                    $found_hub = $em->getRepository(Hub::class)->findOneBy(['branch_code' => $hub_with_inventory['BranchCode']]);
                    if ($found_hub != null)
                    {
                        // check rider availability
                        if (count($found_hub->getAvailableRiders()) > 0)
                        {
                            // check against nearest hubs with distance
                            foreach ($nearest_hubs_with_distance as $nhd)
                            {
                                // get distance of hub from location, compare with $nearest. if less, replace nearest
                                if ($found_hub->getID() == $nhd['hub']->getID())
                                {
                                    if (empty($nearest))
                                    {
                                        $nearest = $nhd;
                                        $flag_hub_found = true;
                                    }
                                    else
                                    {
                                        if ($nhd['distance'] < $nearest['distance'])
                                        {
                                            $nearest = $nhd;
                                            $flag_hub_found = true;
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                $selected_hub = $nearest['hub'];
            } 
        } */
        return $selected_hub;
    }

    protected function randomizeRider($riders)
    {
        // TODO: get redis to track the sales per rider per day
        //       check the time they came in
        // for now, randomize the rider
        $selected_index = array_rand($riders);

        $selected_rider = $riders[$selected_index];

        return $selected_rider;
    }

    protected function findAdvanceNearestHubAndSlots(Point $coordinates, EntityManagerInterface $em, MapTools $map_tools)
    {
        // get the nearest 10 hubs
        $hub_data = [];
        $nearest_hubs_with_distance = [];
        $hubs = $map_tools->getClosestOpenHubs($coordinates, 10);

        foreach ($hubs as $hub)
        {
            $nearest_hubs_with_distance[] = $hub;
            // TODO: insert checking for branch code here when inventory manager is up
        }

        $nearest = null;
        $slot_found = false;
        // find the nearest hub
        if (!empty($nearest_hubs_with_distance))
        {
            foreach ($nearest_hubs_with_distance as $nhd)
            {
                if (empty($nearest))
                    $nearest = $nhd;
                else
                {
                    if ($nhd['distance'] < $nearest['distance'])
                    $nearest = $nhd;
                }
            }

            // get slots of nearest hub
            if ($nearest != null)
            {
                $hub_slots = $this->getHubRiderSlots($nearest['hub'], $em);

                $hub_data = [
                    'hub' => $nearest['hub'],
                    'slots' => $hub_slots,
                ];
            }
        }

        return $hub_data;

    }

    protected function getHubRiderSlots(Hub $hub, EntityManagerInterface $em)
    {
        // check hub's advance orders for the day

        /*
        // get number of advance orders for the next day if request came in before midnight
        // or for current day if request came in after midnight
        // check request_time
        $request_time = time();
        $midnight = strtotime('00:00');
        */
        $start_date =  new DateTime();
        $end_date = new DateTime();

        // to keep things simple, just start on next day regardless of midnight timer
        $start_date->add(new DateInterval('P1D'));
        $end_date->add(new DateInterval('P3D'));

        /*
        if ($request_time < $midnight)
        {
            // add +1 to start date to get the next day
            // add +3 to date to end date to get the advance orders for the next three days
            $start_date->add(new DateInterval('P1D'));
            $end_date->add(new DateInterval('P1D'));
        }
        $end_date->add(new DateInterval('P2D'));
        */

        // set time bounds for the start and end date
        $start_date->setTime(0, 1);
        $end_date->setTime(23, 59);

        // NOTE: get advance orders via query
        // get JOs assigned to hub that are advance orders and scheduled for the next three days with
        // for hub assignment status
        $query = $em->createQuery('select jo from App\Entity\JobOrder jo where jo.hub = :hub and jo.flag_advance = true and 
                jo.date_schedule >= :date_start and jo.date_schedule <= :date_end and jo.status != :status_cancelled
                and jo.status != :status_fulfilled');
        $jos_advance_orders = $query->setParameters([
                'hub' => $hub,
                'date_start' => $start_date,
                'date_end' => $end_date,
                'status_cancelled' => JOStatus::CANCELLED,
                'status_fulfilled' => JOStatus::FULFILLED,
            ])
           ->getResult();
        // check request_time

        // define slots
        $slots = [
            '08_09' => '8:00 AM',
            '09_10' => '9:00 AM',
            '10_11' => '10:00 AM',
            '11_12' => '11:00 AM',
            '12_13' => '12:00 PM',
            '13_14' => '1:00 PM',
            '14_15' => '2:00 PM',
            '15_16' => '3:00 PM',
            '16_17' => '4:00 PM',
        ];


        // get the dates for the next three days
        $first_date = $start_date->format('Y-m-d');
        $second_date = $start_date->add(new DateInterval('P1D'));
        $sec_date = $second_date->format('Y-m-d');
        $third_date = $end_date->format('Y-m-d');

        // define days
        $days = [
            $first_date => $first_date,
            $sec_date => $sec_date,
            $third_date => $third_date,
        ];

        // initialize hub rider slots
        $hub_rider_slots = [];
        foreach ($days as $day)
        {
            foreach ($slots as $slot_key => $slot)
            {
                $hub_rider_slots[$day][$slot_key] = $hub->getRiderSlots();
            }
        }

        // check each JO's date_schedule, decrement rider_slots if date schedule falls in that slot
        foreach ($jos_advance_orders as $jo)
        {
            // get date key
            $date_sched = $jo->getDateSchedule();
            $date_string = $date_sched->format('Y-m-d');
            $hour = $date_sched->format('H');
            $slot_id = sprintf('%02d_%02d', $hour, $hour + 1);

            error_log("SLOT - $date_string - $slot_id");

            // decrement rider slot
            if (isset($hub_rider_slots[$date_string][$slot_id]))
                $hub_rider_slots[$date_string][$slot_id]--;

            // check if it goes through next slot (10 min allowance)
            $mins = $date_sched->format('i');
            if ($mins > 10)
            {
                $next_slot_id = sprintf('%02d_%02d', $hour + 1, $hour + 2);
                error_log("NEXT SLOT - $date_string - $next_slot_id");
				// decrement rider slot
				if (isset($hub_rider_slots[$date_string][$next_slot_id]))
					$hub_rider_slots[$date_string][$next_slot_id]--;

            }
        }

        error_log(print_r($hub_rider_slots, true));

        $hub_slots = $this->generateHubSlots($hub_rider_slots, $slots);

        return $hub_slots;
    }

    protected function generateHubSlots($rider_slots, $slots)
    {
        $data = [];
        foreach ($rider_slots as $day_id => $rslot)
        {
            $data[$day_id] = [];

            foreach ($rslot as $slot_id => $avail_slots)
            {
                $slot_data = [
                    'id' => $slot_id,
                    'label' => $slots[$slot_id],
                    'available' => true,
                ];

                // mark unavailable ones
                if ($avail_slots <= 0)
                    $slot_data['available'] = false;

                // add to day data
                $data[$day_id][] = $slot_data;
            }
        }

        return $data;
    }

    protected function getTimeFromSlot($slot_id)
    {
        $time_selected = '';

        switch($slot_id) {
            case '08_09':
                $time_selected = AdvanceOrderSlot::_08_09;
                break;
           case '09_10':
                $time_selected = AdvanceOrderSlot::_09_10;
                break;
           case '10_11':
                $time_selected = AdvanceOrderSlot::_10_11;
                break;
           case '11_12':
                $time_selected = AdvanceOrderSlot::_11_12;
                break;
           case '12_13':
                $time_selected = AdvanceOrderSlot::_12_13;
                break;
           case '13_14':
                $time_selected = AdvanceOrderSlot::_13_14;
                break;
           case '14_15':
                $time_selected = AdvanceOrderSlot::_14_15;
                break;
           case '15_16':
                $time_selected = AdvanceOrderSlot::_15_16;
                break;
           case '16_17':
                $time_selected = AdvanceOrderSlot::_16_17;
                break;
           default:
                error_log('Invalid slot id ' . $slot_id);
        }

        return $time_selected;
    } 
}