qcloud_cos::CosAPI InitCosAPI() {
    uint64_t appid = 12500000000;
    std::string region = "ap-guangzhou";// Region of the bucket, see https://www.tencentcloud.com/document/product/436/62?from_cn_redirect=1
    std::string secret_id = "************************************"; // User's SecretId. It is recommended to use sub-account keys, with authorization following the least privilege principle to mitigate usage risks. For information on how to obtain sub-account keys, see https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1
    std::string secret_key = "************************************"; // User's SecretKey. It is recommended to use sub-account keys, with authorization following the least privilege principle to mitigate usage risks. For information on how to obtain sub-account keys, see https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1
        
    qcloud_cos::CosConfig config(appid, secret_id, secret_key, region);
    qcloud_cos::CosAPI cos_tmp(config);
    return cos_tmp;
}

qcloud_cos::CosAPI InitCosAPI() {
    // You need to have obtained the temporary key results: tmp_secret_id, tmp_secret_key,
    // For generating temporary keys, see https://www.tencentcloud.com/document/product/436/14048?from_cn_redirect=1#cos-sts-sdk
    uint64_t appid = 12500000000;
    std::string region = "ap-guangzhou";
    std::string tmp_secret_id = "************************************";
    std::string tmp_secret_key = "************************************";
    std::string tmp_token = "token";
    
    qcloud_cos::CosConfig config(appid, tmp_secret_id, tmp_secret_key, region);
    config.SetTmpToken(tmp_token);
    qcloud_cos::CosAPI cos_tmp(config);
    return cos_tmp;
}

CosResult CosAPI::GetBucket(const GetBucketReq& req, GetBucketResp* resp)

void GetBucketDemo(qcloud_cos::CosAPI& cos) {
    qcloud_cos::GetBucketReq req(bucket_name);
    // Set the listed object names to be prefixed with 'prefix'
    req.SetPrefix("test");
    // Set the maximum number of objects to list. A single listobject operation supports up to 1000
    req.SetMaxKeys(10);
    qcloud_cos::GetBucketResp resp;
    qcloud_cos::CosResult result = cos.GetBucket(req, &resp);

    std::cout << "===================GetBucketResponse=====================" << std::endl;
    if (result.IsSucc()) {
        // object contents represent the list of objects in this listing
        std::vector<Content> contents = resp.GetContents();
        for (const Content& content : contents) {
            // key of the object
            std::string key = content.m_key;
            // etag of the object
            std::string etag = content.m_etag;
            // Length of the object
            std::string file_size = content.m_size;
            // Storage type of the object
            std::string storage_classes = content.m_storage_class;
            std::cout << "key:" << key << "\\netag:" << etag << "\\nfile_size:" << file_size << "\\nstorage_classes:" << storage_classes << std::endl;
            std::cout << "==================================" << std::endl;
        }

        if (resp.IsTruncated()) {
            // Indicates that the listing is incomplete and has been truncated
            // Next starting position
            std::string next_marker = resp.GetNextMarker();
            std::cout << "next_marker:" << next_marker << std::endl;
        }
    } else {
        std::cout << "GetBucket Fail, ErrorMsg: " << result.GetErrorMsg() << std::endl;
    }
    std::cout << "=========================================================" << std::endl;
}

void PrintResult(const qcloud_cos::CosResult& result, const qcloud_cos::BaseResp& resp) {
    if (result.IsSucc()) {
        std::cout << "Request Succ." << std::endl;
        std::cout << resp.DebugString() << std::endl;
    } else {
        std::cout << "ErrorMsg=" << result.GetErrorMsg() << std::endl;
        std::cout << "HttpStatus=" << result.GetHttpStatus() << std::endl;
        std::cout << "ErrorCode=" << result.GetErrorCode() << std::endl;
        std::cout << "ErrorMsg=" << result.GetErrorMsg() << std::endl;
        std::cout << "ResourceAddr=" << result.GetResourceAddr() << std::endl;
        std::cout << "XCosRequestId=" << result.GetXCosRequestId() << std::endl;
        std::cout << "XCosTraceId=" << result.GetXCosTraceId() << std::endl;
    }
}