<?php
/**
 * Created by PhpStorm.
 * User: Florian
 * Date: 15/02/2018
 * Time: 15:07
 */

namespace FileManagerBundle\Service;


use FileManagerBundle\Entity\FileItem;
use FileManagerBundle\Entity\FolderItemBase;
use RESTifierBundle\Service\RestifierDataProcess;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Routing\Router;

class RestApiFileManagerService
{
    /**
     * @var RequestStack
     */
    protected $rs;
    /**
     * @var FileManagerPermissionService
     */
    protected $fmp;
    /**
     * @var Router
     */
    protected $router;
    /**
     * @var RestifierDataProcess
     */
    protected $process;

    public function __construct(RequestStack $rs, FileManagerPermissionService $fmp, Router $router, RestifierDataProcess $process)
    {
        $this->rs = $rs;
        $this->fmp = $fmp;
        $this->router = $router;
        $this->process = $process;
    }

    /**
     * @param FolderItemBase $folderItem
     * @return null|array
     */
    public function formatFolderToPublicDisplay(FolderItemBase $folderItem){
        $ret = null;

        if($this->fmp->canReadFolder($folderItem)){

            return $this->process->objectToArray($folderItem, array('name','guid','permission','base','description'));
        }

        return $ret;
    }

    public function formatFoldersToPublicDisplay(array $array){
        $output = [];
        foreach($array as $folderItem){
            if($folderItem instanceof FolderItemBase){
                $output[] = $this->formatFolderToPublicDisplay($folderItem);
            }
        }
        return $output;
    }

    /**
     * @param FileItem $fileItem
     * @return null|array
     */
    public function formatFileToPublicDisplay(FileItem $fileItem){
        $tmp = null;
        //if actual user/virtualUser can read the file & the file is not hidden
        if($this->fmp->canRead($fileItem) && !$fileItem->isHidden()){
            //get the file with default function
            $tmp = $this->process->objectToArray($fileItem, array('id','static','name','size','guid','permission','FilePreview','mime','dateUpd','originalHash','lastModified'),
                array('FilePreview' => array('ActualFileSecureArray')));
            $tmp['FilePreview']['ActualFileSecureArrayAbsolute'] = false;
            //check if there's any preview
            if(isset($tmp['FilePreview']['ActualFileSecureArray']) && $tmp['FilePreview']['ActualFileSecureArray'] != false){
                $tmpNewActualFileSecureArray = array();
                $tmpNewActualFileSecureArrayAbsolute = array();
                foreach($tmp['FilePreview']['ActualFileSecureArray'] as $size){
                    $tmpNewActualFileSecureArray[$size] = $this->router->generate('api_filemanager_distributor_display_thumbs',
                            array(
                                'guid'  => $tmp['guid'],
                                'size'  => $size
                            )
                            ).'?s='.(string)$fileItem->getFilePreview()->getSelected()
                            .(string)$fileItem->getVersion();

                    $tmpNewActualFileSecureArrayAbsolute[$size] = $this->router->generate('api_filemanager_distributor_display_thumbs',
                            array(
                                'guid'  => $tmp['guid'],
                                'size'  => $size
                            ),
                            UrlGeneratorInterface::ABSOLUTE_URL
                        ).'?s='.(string)$fileItem->getFilePreview()->getSelected()
                        .(string)$fileItem->getVersion();
                }
                $tmp['FilePreview']['ActualFileSecureArray'] = $tmpNewActualFileSecureArray;
                $tmp['FilePreview']['ActualFileSecureArrayAbsolute'] = $tmpNewActualFileSecureArrayAbsolute;
            }
            //download & display links
            $tmp['display'] = $this->router->generate('api_filemanager_distributor_display',array('guid'=>$tmp['guid']),UrlGeneratorInterface::ABSOLUTE_URL);
            $tmp['download'] = $this->router->generate('api_filemanager_distributor_download',array('guid'=>$tmp['guid']),UrlGeneratorInterface::ABSOLUTE_URL);
        }

        return $tmp;
    }

    public function formatFilesToPublicDisplay(array $array){
        $output = [];
        foreach($array as $fileItem){
            if($fileItem instanceof FileItem){
                $output[] = $this->formatFileToPublicDisplay($fileItem);
            }
        }
        return $output;
    }
}