<?php

namespace App\Service;


use Illuminate\Support\Facades\Storage;

class FileUploadService extends Service
{
    //文件类型
    const FILE_TYPE = [
        'txt',
        'jpg',
        'png',
        'gif',
        'jpeg',
        'zip',
        'rar',
        'xlsx',
        'xls',
    ];

    //视频类型
    const VIDEO_FILE_TYPE = [
        'mp4',
    ];

    const tmp_dir = 'upload_occ';
    const string = '/api/uploadFiles/';
    const string2 = 't9|';
    const string3 = 't9/';

    public function uploadFile($file){
        if(empty($file)) return [false, '请上传文件'];
        // 获取文件相关信息
        $ext = $file->getClientOriginalExtension();     // 扩展名
        $realPath = $file->getRealPath();   //临时文件的绝对路径

        $ext = strtolower($ext);
        $file_type = array_merge_recursive(self::FILE_TYPE, self::VIDEO_FILE_TYPE);
        if (! in_array($ext, $file_type)){
            $str = '文件格式支持类型:';
            foreach ($file_type as $value){
                $str.= $value . ' ' ;
            }
            return [false, $str];
        }

        if (in_array($ext, self::VIDEO_FILE_TYPE)) {
            $fileSize = $file->getSize(); // 获取文件大小（单位：字节）
            $maxVideoSize = 50 * 1024 * 1024; // 50 MB
            if ($fileSize > $maxVideoSize) {
                return [false, '视频文件大小不能超过 50MB'];
            }
        }

        $date = date("Y-m-d");
        //文件名
        $file_name = date("Ymd").time().rand(1000,9999);
        $filename =  $file_name.'.' . $ext;

        $dir = self::tmp_dir . '/' . $date . '/' . $filename;
        Storage::disk('public')->put($dir, file_get_contents($realPath));

        return [true, self::string . self::string2 . $filename];
    }

    //获取文件的位置oss
    public function getFileShow($file_name,$expired = 3500){
        $path = "";
        if(empty($file_name)) return $path;

        $document = self::string3;
        if(strpos($file_name, FileUploadService::string . FileUploadService::string2) !== false){
            $file_name = str_replace(FileUploadService::string . FileUploadService::string2,'', $file_name);
            $timestamp = substr($file_name, 0, 8); // 截取前八位数字
            $date = \DateTime::createFromFormat('Ymd', $timestamp);
            $date = $date->format('Y-m-d');
            $savePath = $document . $date . '/' . $file_name;
            list($status,$path) = (new OssService())->getTemporaryUrl($savePath,$expired);
        }else{
            if(strpos($file_name, FileUploadService::string) !== false){
                $file_name = str_replace(FileUploadService::string ,'', $file_name);
                $savePath = $document . 'old/upload_files/' . $file_name;
                list($status,$path) = (new OssService())->getTemporaryUrl($savePath,$expired);
            }
        }

        return $path;
    }

    public function uploadFileLocal($file){
        if(empty($file)) return [false, '请上传文件'];
        // 获取文件相关信息
        $ext = $file->getClientOriginalExtension();     // 扩展名
        $realPath = $file->getRealPath();   //临时文件的绝对路径

        $ext = strtolower($ext);
        if (! in_array($ext, self::FILE_TYPE)){
            $str = '文件格式为:';
            foreach (self::FILE_TYPE as $value){
                $str.= $value . ' ' ;
            }
            return [false,$str];
        }

        // 上传文件
        $file_name = date("Ymd").time().rand(1000,9999);
        $filename =  $file_name.'.' . $ext;
        // 使用我们新建的uploads本地存储空间（目录）
        Storage::disk('public')->put('upload_files/'.$filename, file_get_contents($realPath));

        return [true, self::string . $filename];
    }

    public function createOssUpload($file){
        if(! is_array($file) || empty($file)) return;
        foreach ($file as $filename){
            $filename = str_replace(FileUploadService::string.FileUploadService::string2,'', $filename);
            $timestamp = substr($filename, 0, 8); // 截取前八位数字
            $date = \DateTime::createFromFormat('Ymd', $timestamp);
            $date = $date->format('Y-m-d');
            $dir = FileUploadService::tmp_dir . '/' . $date . '/' . $filename;
            if(Storage::disk('public')->exists($dir)){
                $realPath = storage_path() . "/app/public/" . $dir;
                $savePath = self::string3 . $date . '/' . $filename;
                list($status,$msg) = (new OssService())->uploadFile($realPath,$savePath);
                if($status) Storage::disk('public')->delete($dir);
            }
        }
    }

    public function createOssUploadOld($file){
        if(! is_array($file) || empty($file)) return;

        foreach ($file as $filename){
            if(strpos($filename, FileUploadService::string.FileUploadService::string2) !== false){
                $filename = str_replace(FileUploadService::string.FileUploadService::string2,'',$filename);
                $timestamp = substr($filename, 0, 8); // 截取前八位数字
                $date = \DateTime::createFromFormat('Ymd', $timestamp);
                $date = $date->format('Y-m-d');
                $delPath = self::string3 . $date . '/' . $filename;

                list($status,$msg) = (new OssService())->deleteFile($delPath);
//                if(! $status) return [false , $msg];
            }else{
                if(strpos($filename, FileUploadService::string) !== false){
                    $filename = str_replace(FileUploadService::string,'',$filename);
                    $delPath = self::string3 . 'old/upload_files/' . $filename;
                    list($status,$msg) = (new OssService())->deleteFile($delPath);
                }
            }
        }
    }

    public function createOssUploadBatch($file){
        if(empty($file['origin']) || empty($file['img_list'])) return;
        $from = $file['origin'];
        $filename = str_replace(FileUploadService::string.FileUploadService::string2,'', $from);
        $timestamp = substr($filename, 0, 8); // 截取前八位数字
        $date = \DateTime::createFromFormat('Ymd', $timestamp);
        $date = $date->format('Y-m-d');
        $dir = FileUploadService::tmp_dir . '/' . $date . '/' . $filename;
        if(! Storage::disk('public')->exists($dir)) return;

        $realPath = storage_path() . "/app/public/" . $dir;
        foreach ($file['img_list'] as $filename){
            $filename_tmp = str_replace(FileUploadService::string.FileUploadService::string2,'', $filename);
            $savePath = self::string3 . $date . '/' . $filename_tmp;
            list($status,$msg) = (new OssService())->uploadFile($realPath,$savePath);
        }

        Storage::disk('public')->delete($dir);
    }
}