<?php
namespace App\Services;
use Symfony\Component\Finder\Finder;

class FileService {

    public function segmentFiles($baseDir)
    {
        if (!is_dir($baseDir)) {
            return;
        }
//        $files = new Finder();
//        $files->files()->in($baseDir);
        $files = $this->scan_dir($baseDir);
        $firstTime = true;
        $counter = 0;
        $dirCounter = 0;
        $dirName = "";
        foreach ($files as $file) {
            if ($firstTime) {
                $dirName = $baseDir . "/" . date("Y-m-d", filectime($baseDir . "/" . $file)) . "-$dirCounter";
                if (!is_dir($dirName)) {
                    mkdir($dirName);
                }
                $dirCounter++;
                $firstTime = false;
            }
            rename($baseDir . "/" . $file, $dirName . "/" . $file);
            $counter++;
            if ($counter % 1000 == 0) {
                $firstTime = true;
            }
//            exit;
        }

    }

    private function scan_dir($dir) {
        $ignored = array(".", "..", ".svn", ".htaccess",".DS_Store");

        $files = array();
        foreach (scandir($dir) as $file) {
            if (in_array($file, $ignored)) continue;
            $files[$file] = filemtime($dir . '/' . $file);
        }

        asort($files);
        $files = array_keys($files);

        return ($files) ? $files : false;
    }
}