<?php
/**
 * Created by PhpStorm.
 * User: net15
 * Date: 04/05/2018
 * Time: 11:57
 */

namespace FileManagerBundle\Service;


use FileManagerBundle\Entity\SystemBox;
use FileManagerBundle\Interfaces\FolderItemInterface;
use SettingsManagerBundle\Service\SettingManager;

class SystemFilesManager
{
    private const SETTING_BOX = 'system.box.guid';
    /**
     * @var SettingManager
     */
    protected $settingsManager;

    protected $fileManagerMainService;

    public function __construct(SettingManager $settingManager, FileManagerMainService $fileManagerMainService)
    {
        $this->settingsManager= $settingManager;
        $this->fileManagerMainService = $fileManagerMainService;
    }

    /**
     * @return SystemBox|null
     */
    public function getSystemBox(): ?SystemBox
    {
        $boxGuid = $this->settingsManager->get(self::SETTING_BOX);
        if(empty($boxGuid) || $boxGuid === ''){
            //create folder
            return $this->createSystemBox();
        }

        $folder = $this->fileManagerMainService->getSystemBoxFromGuid($boxGuid);
        if(!$folder instanceof FolderItemInterface)
            return $this->createSystemBox();

        return $folder;
    }

    /**
     * @return SystemBox|null
     */
    private function createSystemBox(): ?SystemBox
    {
        $folder = new SystemBox();
        $folder
            ->setBase(true)
            ->setDescription('System box')
            ->setName('sysbox')
            ->setSystemBox(true)
        ;

        $r = $this->fileManagerMainService->quickUpdateFolder($folder);
        if(!$r)
            return null;

        $this->settingsManager->update(self::SETTING_BOX,$folder->getGuid());

        return $folder;
    }
}