<?php

namespace Base\Tool;

use Exception;

class Storage {

    /**
     * @var StorageClient
     */
    private static $client;

    private static function getClient(): StorageClient {
        if (empty(self::$client)) {
            if (C('STORAGE_TYPE') == 'oss') {
                self::$client = new OssClient();
            } elseif (C('STORAGE_TYPE') == 'obs') {
                self::$client = new ObsClient();
            } else {
                throw new Exception("Storage type undefined!");
            }
        }
        return self::$client;
    }

    public static function upload($localFilePath, $saveFileName) {
        return self::getClient()->upload($localFilePath, $saveFileName);
    }

    public static function delete($deleteFile)
    {
        return self::getClient()->delete($deleteFile);
    }

    public static function getUrl($saveFileName)
    {
        return self::getClient()->getUrl($saveFileName);
    }
}