<?php
namespace Upload\Lib\View;

use Dever;
Dever::apply('sdk/oss', 'upload');
Dever::apply('vendor/autoload', 'alibaba');
use OSS\OssClient;
use OSS\Core\OssException;
use AlibabaCloud\Client\AlibabaCloud;
use AlibabaCloud\Client\Exception\ClientException;
use AlibabaCloud\Client\Exception\ServerException;
class Oss
{
    private $client;

    public function token($config, $upload, $file = '')
    {
        $region = 'cn-' . $config['region_id'];
        if (!$config['role_arn']) {
            return array('oss', '||' . $config['appkey'] . '||' . $config['appsecret'], $region, $upload['bucket']);
        }
        $cur = time();
        
        if (!$config['token'] || ($config['token_endtime'] && $cur > $config['token_endtime'])) {
            AlibabaCloud::accessKeyClient($config['appkey'], $config['appsecret'])->regionId($region)->asDefaultClient();
            //设置参数，发起请求。
            try {
                $result = AlibabaCloud::rpc()
                ->product('Sts')
                ->scheme('https') // https | http
                ->version('2015-04-01')
                ->action('AssumeRole')
                ->method('POST')
                ->host('sts.aliyuncs.com')
                ->options([
                    'query' => [
                      'RegionId' => $region,
                      'RoleArn' => "acs:ram::1118875946432366:role/api",
                      'RoleArn' => $config['role_arn'],
                      'RoleSessionName' => "upload",
                    ],
                ])
                ->request();
                $data = $result->toArray();
                if (isset($data['Credentials']['SecurityToken'])) {
                    $token = $data['Credentials']['SecurityToken'];
                    $endtime = $data['Credentials']['Expiration'];
                    $appkey = $data['Credentials']['AccessKeyId'];
                    $appsecret = $data['Credentials']['AccessKeySecret'];

                    $token = $token . '||' . $appkey . '||' . $appsecret;
                    $up['token'] = $token;
                    $up['token_endtime'] = Dever::maketime($endtime) - 60;
                    $up['where_id'] = $config['id'];
                    Dever::db('upload/yun')->update($up);
                } else {
                    echo 'oss token获取失败，请检查配置';die;
                }
            } catch (ClientException $e) {
                echo $e->getErrorMessage() . PHP_EOL;die;
            } catch (ServerException $e) {
                echo $e->getErrorMessage() . PHP_EOL;die;
            }
        } else {
            $token = $config['token'];
        }
        
        return array('oss', $token, $region, $upload['bucket']);
    }

    # 连接
    public function connect($config, $upload, $file = '')
    {
        $accessKey = $config['appkey'];
        $secretKey = $config['appsecret'];
        $endpoint = "http://oss-cn-".$config['region_id'].".aliyuncs.com";

        list($type, $token, $domain, $bucket) = $this->token($config, $upload, $file);
        $data = explode('||', $token);
        if ($data[0]) {
            $token = $data[0];
            $accessKey = $data[1];
            $secretKey = $data[2];
        } else {
            $token = false;
        }

        $this->client = new OssClient($accessKey, $secretKey, $endpoint, false, $token);
        return $this;
    }

    # 上传文件
    public function upload($bucket, $file, $source_file, $options = array(), $base64 = false)
    {
        if (!$this->client) {
            return array();
        }
        $method = 'uploadFile';
        if ($base64) {
            $method = 'putObject';
        }

        $ret = $this->client->$method($bucket, $file, $source_file, $options);

        return $ret;
    }

    # 删除文件
    public function delete($bucket, $file)
    {
        $this->client = new \Qiniu\Storage\BucketManager($this->auth);
        $result = $this->client->delete($bucket, $file);

        return $result;
    }

    # 下载文件
    public function download($bucket, $file, $local = false)
    {
        if (!$this->client) {
            return false;
        }
        if ($local) {
            $options = array(
                OssClient::OSS_FILE_DOWNLOAD => $local
            );
        } else {
            $options = array();
        }
        
        $content = $this->client->getObject($bucket, $file, $options);

        return $content;
    }

    public function callback()
  	{
  		$body = file_get_contents('php://input');
  		Dever::log($body, 'oss_callback');
  		$body = json_decode($body, true);

  		return $body;
  	}

	# 视频转码
    public function convert($key, $file, $config, $upload)
    {
        //?x-oss-process=video/snapshot,t_7000,f_jpg,w_800,h_600,m_fast
        //t以后是毫秒
    }

    # 视频截图
    public function cover($key, $video, $num = 1)
    {
        $num = $num * 1000;
        $file = $video . '?x-oss-process=video/snapshot,t_'.$num.',f_jpg,m_fast';
        if ($local == 1) {
            $data = Dever::load('upload/save')->copy($file, 7, false, false, 'jpg');
            return $data['url'] . '?time=' . time();
        } else {
            return $file;
        }

        //x-oss-process=video/snapshot,t_1000,f_jpg,m_fast 
    }
}