<?php

namespace App\Controller\CustomerAppAPI;

use Symfony\Component\HttpFoundation\Request;
use Catalyst\ApiBundle\Component\Response as ApiResponse;

class AppController extends ApiController
{
    public function versionCheck(Request $req)
    {
        // validate params
        $missing = $this->hasMissingParams($req, [
            'version',
            'os',
        ]);

        if ($missing) {
            return new ApiResponse(false, $missing);
        }

        $need_update = false;
        $msg = 'Version is up to date.';

        $os = $req->query->get('os');

        // putting this in for the future, in case we have diverging versions
        //$platform = $req->query->get('platform');

        // get only the major version numbers
        $app_version = $req->query->get('version');
        $app_major = substr($app_version, 0, strripos($app_version, "."));

        $latest_version = $this->getParameter($os . '_app_version');
        $latest_major = substr($latest_version, 0, strripos($latest_version, "."));

        if ($latest_major < $app_major) {
            return new ApiResponse(false, 'Invalid application version: ' . $app_version);
        }

        if ($latest_major > $app_major) {
            $need_update = true;
            $msg = 'Your version is outdated and needs an update to use the latest features RES-Q has to offer.';
        }
        
        // response
        return new ApiResponse(true, '', [
            'need_update' => $need_update,
            'latest_version' => $latest_version,
            'message' => $msg,
        ]);
    }
}