<?php

namespace App\Http\Controllers;

use Illuminate\Contracts\Filesystem\Filesystem;
use Illuminate\Http\Request;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;

class WebController extends Controller
{
    public function upload(Request $request)
    {
        $path = $request->input('path', 'uploads').'/'.date('Y-m-d');
        $result = [];

        $disk = $this->getDisk();

        // file 文件
        $files = $request->except('path');
        foreach ($files as $key => $fileData) {
            $item = null;
            if (is_array($fileData)) {
                foreach ($fileData as $file) {
                    $item[] = $disk->url($this->saveFile($disk, $path, $file));
                }
            } else {
                $item = $disk->url($this->saveFile($disk, $path, $fileData));
            }
            $result[$key] = $item;
        }

        return $this->response()->success($result);
    }

    protected function saveFile($disk, $path, $file = null)
    {
        $filePath = '';
        if ($file instanceof UploadedFile) {
            //限制文件类型：
            if(in_array($file->getClientOriginalExtension(), [
                'jpeg', 'jpg', 'gif', 'bmp', 'png', //图片
                'mp4', //视频
                'mp3', //音频
                ])){
                $filePath = $disk->putFile($path, $file);
            }
        } elseif (preg_match('/^(data:\s*image\/(\w+);base64,)/', $file, $result)) {
            $type = $result[2];
            if (in_array($type, ['jpeg', 'jpg', 'gif', 'bmp', 'png'])) {
                $filePath = $path.'/'.uniqid().'.'.$type;
                $disk->put($filePath, base64_decode(str_replace($result[1], '', $file)));
            }
        }

        return $filePath;
    }

    protected function getDisk($disk = null): Filesystem
    {
        return Storage::disk($disk);
    }
}