<?php


namespace App\Servers;

// 文件上传
use Illuminate\Http\Request;

class FileServer
{
    /**
     * @param Request $request
     * @param string $file
     * @param string $path
     * @param int $size
     * @return array
     *
     * 上传单张图片
     */
    static public function imageOne(Request $request, $file = 'file', $path = 'image', $size = 5)
    {
        if( $request->isMethod('post') ){
            $returnDatum = array('errcode'=>1,'errmsg'=>'','url'=>'');
            if( $request->hasFile($file) ){
                $ext = $request->file($file)->extension();   // 文件后缀判断
                if( !in_array($ext,["jpg", "jpeg", "gif", "png", "bmp", "webp"]) ){
                    $returnDatum['errmsg'] = config('lang', 'zh') === 'zh' ? '上传图片仅支持png、jpg、jpeg、gif、bmp、webp后缀!!!' : 'stand by png、jpg、jpeg、gif、bmp、webp';
                    return $returnDatum;
                }
                // 文件大小是否满足 5M = 5*1024*1024 B
                if( $request->file($file)->getClientSize() > $size * 1048576 ){
                    $returnDatum['errmsg'] = config('lang', 'zh') === 'zh' ?  '上传图片大小超过5M!!!' : 'Upload image size exceeds 5M.';
                    return $returnDatum;
                }
                // 上传过程是否出错
                if( ! $request->file($file)->isValid() ){
                    $returnDatum['errmsg'] = config('lang', 'zh') === 'zh' ?  '上传文件出错,请重试!!!' : 'Error uploading file, please try again.';
                    return $returnDatum;
                }
                // 文件保存 生成一个唯一的文件名称
                $fileName = time().str_random(4).mt_rand(1000,9999).".{$ext}";
                $pathUrl = $request->file($file)->storeAs($path.'/'.date('y-m',time()),$fileName,'public');
                if( $pathUrl ){
                    $returnDatum['errcode'] = 0;
                    $returnDatum['url'] = asset('storage').DIRECTORY_SEPARATOR.$pathUrl;
                    return $returnDatum;
                }else{
                    $returnDatum['errmsg'] = config('lang', 'zh') === 'zh' ?  '图片上传保存失败,请重试!!!' : 'Image upload failed to save, please try again.';
                    return $returnDatum;
                }
            }else{
                $returnDatum['errmsg'] = config('lang', 'zh') === 'zh' ? '请上传图片文件!!!' : 'Please upload an image file.';
                return $returnDatum;
            }
        }else{
            return array('errcode'=>1,'errmsg'=>'无效请求！','url'=>'');
        }
    }
}