<?php

namespace App\Service;

use Symfony\Component\HttpFoundation\File\UploadedFile;

class FileUploader
{
    private $target_dir;

    public function __construct($target_dir)
    {
        $this->target_dir = $target_dir;
    }

    public function upload(UploadedFile $file)
    {
        do 
        {
            //$filename = md5(uniqid()) . '.' . $file->guessExtension();
            $filename = md5(uniqid()) . '.' . $file->getClientOriginalExtension();
        }
        while(file_exists($this->getTargetDir() . '/' . $filename));

        $file->move($this->getTargetDir(), $filename);

        return $filename;
    }

    public function getTargetDir()
    {
        return $this->target_dir;
    }
}