<?php

class RadiusApi extends Api
{
    public $apiName = 'radius';
    const RADIUS_LIMIT = 10000;
    const DEFAULT_DIR = 'any';
    const DEFAULT_LIMIT = 10;

    public function indexAction()
    {
        return $this->response(
            array(
                'error' => 'Data not found'
            ), 404);
    }

    /**
     * Method GET
     * Get single record (by id)
     * http://DOMAIN/radius/1
     * @return string
     */
    public function viewAction()
    {
        //id must be the first parameter after /radius/x
        return $this->response(
            array(
                'error'=> 'Data not found'
            ), 404);
    }

    public function createAction()
    {
        $message = 'Data not found';
        $code = 404;

        $lat = $this->requestParams['lat'] ?? NULL;
        $lng = $this->requestParams['lng'] ?? NULL;
        $rad = $this->requestParams['radius'] ?? NULL;
        $typ = $this->requestParams['type'] ?? self::DEFAULT_DIR;
        $lim = $this->requestParams['limit'] ?? self::DEFAULT_LIMIT; 
        try {
            if ($lat==NULL || $lng==NULL) {
                throw new RuntimeException('Invalid GPS coordinates',500);
            }
            if ($rad<10 || $rad>self::RADIUS_LIMIT) { 
                throw new RuntimeException('Invalid radius',500);
            }
            if ($typ!='in' && $typ!='out') {
                $typ = self::DEFAULT_DIR;
            }
            if ($limit<1 || $limit>self::DEFAULT_LIMIT) {
                $limit = self::DEFAULT_LIMIT;
            }
            $db = new Db();
            $res = NULL; 
            $err = NULL;
            if ($typ=='in') { 
                list($res,$err) = Radius::inboundTrips($db->getConnectGPS(), $lat, $lng, $rad); 
            } else if ($typ=='out') { 
                list($res,$err) = Radius::outboundTrips($db->getConnectGPS(), $lat, $lng, $rad);
            } else {
                list($res,$err) = Radius::anyTrips($db->getConnectGPS(), $lat, $lng, $rad);
            }
            if (!$res) {
                if ($err!="") {
                    throw new RuntimeException($err, 500);
                }
                throw new RuntimeException('Data not found', 404);
            }
            $ids = [];
            foreach ($res as $f) {
                $ids[] = $f["id"];
            }
            // Get $lim latest trips
            list($res,$err) = Radius::limitTrips($db->getConnect(), $ids, $lim, 'travel_date', 'DESC');
            if (!$res) {
                if ($err!="") {
                    throw new RuntimeException($err, 500);
                }
                throw new RuntimeException('Data not found', 404);
            }
            $trips = [];
            foreach ($res as $f) {
                $id = $f["id"];
                $trip = Trips::getById($db->getConnect(), (int)$id);
                if(is_array($trip) && count($trip)>0){
                    $trips[] = $trip;
                }
            }

            return $this->response(
                array(
                    "lat" => $lat,
                    "lng" => $lng,
                    "radius" => $rad,
                    "type" => $typ,
                    "limit" => $lim,
                    "trips" => $trips
                ), 200);
        } catch (RuntimeException $e) {
            $message = $e->getMessage();
            $code = $e->getCode();
        }
        return $this->response(
            array(
                "error" => $message
            ), $code);
    }

    public function updateAction()
    {
        return $this->response(
            array(
                "error" => "Update error"
            ), 400);
    }

    public function deleteAction()
    {
        return $this->response(
            array(
                "error" => "Delete error"
            ), 500);
    }
}