<?php

namespace App\Service;

use App\Entity\SupportedArea;

use Doctrine\ORM\EntityManagerInterface;

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

class GeofenceTracker
{
    protected $em;
    protected $geofence_flag;

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

    public function isCovered($long, $lat)
    {
        // check if geofence is enabled
        if ($this->geofence_flag  == 'true')
        { 
            // see if the point is in any of the polygons
            $query = $this->em->createQuery('SELECT count(s) from App\Entity\SupportedArea s where st_contains(s.coverage_area, point(:long, :lat)) = true')
                ->setParameter('long', $long)
                ->setParameter('lat', $lat);

            // number of polygons that contain the point
            $count = $query->getSingleScalarResult();

            if ($count > 0)
                return true;

            return false;
        }

        return true;
    }
}