<?php

namespace App\Command;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

use Doctrine\Common\Persistence\ObjectManager;

use App\Entity\Warranty;
use App\Entity\CustomerVehicle;

use App\Service\WarrantyHandler;

class UpdateCustomerVehicleWarrantyCommand extends Command
{
    protected $em;
    protected $wh;

    public function __construct(ObjectManager $em, WarrantyHandler $wh)
    {
        $this->em = $em;
        $this->wh = $wh;

        parent::__construct();
    }

    protected function configure()
    {
        $this->setName('customervehicle:updatewarrantyinfo')
            ->setDescription('Update customer vehicle warranty.')
            ->setHelp('Update customer vehicle warranty.');
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        // get all warranties
        // since it's possible that the same plate number will have multiple warranties, order them from earliest to latest
        $warr_q = $this->em->createQuery('select w from App\Entity\Warranty w where w.plate_number is not null order by w.date_purchase asc');
        $warranties = $warr_q->iterate();

        foreach ($warranties as $row)
        {
            $warr = $row[0];

            // clean plate number
            $plate_number = $this->wh->cleanPlateNumber($warr->getPlateNumber());

            // get other warranty information
            $serial = $warr->getSerial();
            $expiry_date = $warr->getDateExpire();

            // TODO: check length of serial for now. Should not exceed 20.
            // there is a warranty with 2 serial codes in live
            // for now, ignore the warranty
            if (strlen($serial) > 20)
            {
                continue;
            } 

            // find battery
            $batteries = $this->wh->getBatteriesForWarranty($warr);

            // find customer vehicle using plate number
            error_log('Finding customer vehicle with plate number ' . $plate_number);
            $cust_vehicles = $this->em->getRepository(CustomerVehicle::class)->findBy(['plate_number' => $plate_number]);

            if (!empty($cust_vehicles))
            {
                if (!empty($batteries))
                {
                    // set current battery to the first battery in list. 
                    // there are cases where multiple batteries linked to an SAP code. 
                    $battery = $batteries[0];
                    $battery_id = $battery->getID();
                }
                $q = $this->em->createQuery('update App\Entity\CustomerVehicle cv 
                        set cv.curr_battery = :batt_id,
                        cv.warranty_code = :serial, 
                        cv.warranty_expiration = :expiry_date 
                        where cv.plate_number = :plate_number')
                     ->setParameters([
                       'batt_id' => $battery_id,
                       'serial' => $serial,
                       'expiry_date' => $expiry_date,
                       'plate_number' => $plate_number]);
                $q->execute();

            }
            $this->em->clear();
        }
    }
}