<?php

namespace app\components;

use OSS\Core\OssException;
use OSS\OssClient;


class Oss
{

    private $accessKeyId, $accessKeySecret, $bucket, $endpoint;

    /**
     * Oss constructor.
     * @param $accessKeyId
     * @param $accessKeySecret
     * @throws \Exception
     */
    public function __construct()
    {
        $this->accessKeyId = 'LTAI5tShVduri66gPQj1arLQ';
        $this->accessKeySecret = 'R9pzKpWbfcudFO7VrWSz3BZst62ayX';
        $this->bucket = 'cxgyc';
        $this->endpoint = 'https://oss-cn-guangzhou.aliyuncs.com';

        try {
            if (!isset($this->client)) {
                $this->client = $ossClient = new OssClient($this->accessKeyId, $this->accessKeySecret, $this->endpoint, false);
            }
        } catch (OssException $e) {
            return $e->getMessage();
        }
    }


    /**
     * 上传文件到oss并删除本地文件
     * @param $file
     * @return bool|string
     */
    public function upload($file)
    {
        $ext = explode('.', $file);
        $ext = end($ext);
        $date = date('Ymd');
        $file_name = md5(time() . uniqid());
        $oss_path = "upload/{$date}/{$file_name}.{$ext}";
//        $file = \Yii::$app->basePath . '/web' . $file;
        if (file_exists($file)) {
            try {
                $oss_client = $this->client->uploadFile($this->bucket, $oss_path, $file);
            } catch (OssException $e) {
                return $e->getMessage();
            }
            if (isset($oss_client['info']['url'])) {
                // 自动删除本地的文件
                unlink($file);
                return $oss_client['info']['url'];
            } else {
                return $oss_client;
            }
        }
        return false;
    }

}