<?php

namespace App\Service;

use App\Entity\JobOrder;

use App\Ramcar\ServiceType;
use App\Ramcar\JOStatus;

use Doctrine\ORM\EntityManagerInterface;

use PDO;

class JobOrderManager 
{
    protected $em;

    public function __construct(EntityManagerInterface $em)
    {
        $this->em = $em;
    }

    public function fulfillJobOrder($jo_id)
    {
        $results = $this->em->getRepository(JobOrder::class)->findby(array('id' => $jo_id, 'service_type' => ServiceType::BATTERY_REPLACEMENT_NEW));
        if (isset($results[0]))
        {
            $jo = $results[0];
            $jo->fulfill();

            $cust_vehicle = $jo->getCustomerVehicle();
            $invoice = $jo->getInvoice();
            $this->updateCustomerVehicleBattery($cust_vehicle, $invoice);

            return true;

        }

        return false;
    }

    public function getCustomerJobOrderCount($customer_id)
    {
        $db = $this->em->getConnection();

        $query_sql = 'SELECT COUNT(*) AS jo_count FROM job_order WHERE customer_id = :cust_id AND status != :status_cancelled';

        $query_stmt = $db->prepare($query_sql);
        $query_stmt->bindValue('cust_id', $customer_id);
        $query_stmt->bindValue('status_cancelled', JOStatus::CANCELLED);

        $jo_results = $query_stmt->executeQuery();
        $results = $jo_results->fetchAssociative();

        return $results['jo_count'];
    }

    protected function updateCustomerVehicleBattery($cust_vehicle, $invoice)
    {
        if (($cust_vehicle != null) && ($invoice != null))
        {
            $items = $invoice->getItems();
            foreach ($items as $item)
            {
                $new_battery = $item->getBattery();
                $cust_vehicle->setCurrentBattery($new_battery);
                $cust_vehicle->setHasMotoliteBattery(true);
            }

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