<?php

namespace App\Traits;

use App\Repositories\MediaFileRepository;
use App\Disk;
use Auth;
use Storage;
use Str;

/**
 * 使得Controller可以上傳媒體檔案
 *
 * Trait UploadedFileProccessable
 * @package App\Traits
 */
trait UploadedFileProccessable
{
    /**
     * 取得上傳的媒體檔案資訊
     *
     * @param \Symfony\Component\HttpFoundation\File\UploadedFile $file
     * @return array
     */
    private function getUpadloedFileInfo(\Symfony\Component\HttpFoundation\File\UploadedFile $file)
    {
        $ext = $file->getClientOriginalExtension();
        $baseName = str_replace(".$ext", '', $file->getClientOriginalName());
        $ext = strtolower($ext);
        $alteredBaseName = Str::random(26) . time() . ".$ext";
        $imageDim = getimagesize($file);
        if($imageDim) {
            $width = $imageDim[0];
            $height = $imageDim[1];
        } else {
            $width = null;
            $height = null;
        }
        $fileSize = $file->getSize();
        $mimeType = $file->getMimeType();

        return [
            'ext'      => $ext,
            'fileName' => $alteredBaseName,
            'fileSize' => $fileSize,
            'mimeType' => $mimeType,
            'width'    => $width,
            'height'   => $height,
        ];
    }

    /**
     * 上傳媒體檔案
     *
     * @param \Symfony\Component\HttpFoundation\File\UploadedFile $file
     * @param $diskId
     * @param $userId
     * @param string $path
     * @param bool $isAppMedia
     * @return \App\MediaFile|null
     * @throws \Exception
     */
    private function uploadMediaFile(\Symfony\Component\HttpFoundation\File\UploadedFile $file, $diskId, $userId, $path = null, $isAppMedia = false)
    {
        $fileInfo = $this->getUpadloedFileInfo($file);

        $ext      = $fileInfo['ext'];
        $fileName = $fileInfo['fileName'];
        $fileSize = $fileInfo['fileSize'];
        $mimeType = $fileInfo['mimeType'];
        $width    = $fileInfo['width'];
        $height   = $fileInfo['height'];

        $mediaFileRepo = app(MediaFileRepository::class);

        $disk = Disk::find($diskId);
        if($disk) {
            $mediaFile = $mediaFileRepo->addMedia($fileName, $ext, $diskId, null, $fileSize, $mimeType, $userId, $path, $width, $height, $isAppMedia);
            if($mediaFile) {
                $putted = Storage::disk($disk->name)->putFileAs($path, $file, $fileName);
                if($putted !== false) {
                    return $mediaFile;
                } else {
                    $mediaFile->delete();
                    return null;
                }
            } else {
                return null;
            }
        } else {
            throw new \Exception('Disk not found with id: ' . $diskId);
        }
    }
}