<?php namespace MapGuesser\Controller;

use MapGuesser\Util\Geo\Position;
use MapGuesser\View\JsonView;
use MapGuesser\View\ViewBase;
use mysqli;

class GetNewPosition implements ControllerInterface
{
    public function run(): ViewBase
    {
        $mysql = new mysqli($_ENV['DB_HOST'], $_ENV['DB_USER'], $_ENV['DB_PASSWORD'], $_ENV['DB_NAME']);

        // demo map
        $mapId = 1;

        // using RAND() for the time being, could be changed in the future
        $stmt = $mysql->prepare('SELECT lat, lng FROM places WHERE map_id=? ORDER BY RAND() LIMIT 1');
        $stmt->bind_param("i", $mapId);
        $stmt->execute();
        $place = $stmt->get_result()->fetch_assoc();

        $position = new Position($place['lat'], $place['lng']);

        $data = ['position' => $position->toArray()];
        return new JsonView($data);
    }
}