qcloud_cos::CosAPI InitCosAPI() {
    uint64_t appid = 12500000000;
    std::string region = "ap-guangzhou";// bucket 的地域，请参见 https://www.tencentcloud.com/document/product/436/62?from_cn_redirect=1
    std::string secret_id = "************************************"; //用户的 SecretId，建议使用子账号密钥，授权遵循最小权限指引，降低使用风险。子账号密钥获取可参见 https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1
    std::string secret_key = "***********************************"; //用户的 SecretKey，建议使用子账号密钥，授权遵循最小权限指引，降低使用风险。子账号密钥获取可参见 https://www.tencentcloud.com/document/product/598/37140?from_cn_redirect=1
        
    qcloud_cos::CosConfig config(appid, tmp_secret_id, tmp_secret_key, region);
    qcloud_cos::CosAPI cos_tmp(config);
    return cos_tmp;
}

qcloud_cos::CosAPI InitCosAPI() {
    // 需要已经获取到临时密钥的结果：tmp_secret_id、tmp_secret_key、
    // 临时密钥的生成参见 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;
}

void PutObjectByFileDemo(qcloud_cos::CosAPI& cos) {
    std::string object_name = "test.txt";
    std::string file_path = "./test_file/text.txt";
    qcloud_cos::PutObjectByFileReq req(bucket_name, object_name, file_path);
    req.SetXCosServerSideEncryption("AES256");
    qcloud_cos::PutObjectByFileResp resp;
    qcloud_cos::CosResult result = cos.PutObject(req, &resp);

    std::cout << "====================PutObjectByFile======================" << std::endl;
    PrintResult(result, resp);
    std::cout << "=========================================================" << std::endl;
}

void PutObjectByFileDemo(qcloud_cos::CosAPI& cos) {
    std::string object_name = "test.txt";
    std::string file_path = "./test_file/text.txt";
    qcloud_cos::PutObjectByFileReq req(bucket_name, object_name, file_path);
    req.SetHttps();
    req.TurnOffComputeConentMd5();
    req.AddHeader("x-cos-server-side-encryption-customer-algorithm", "AES256");  // 服务端加密算法，目前仅支持 AES256
    req.AddHeader("x-cos-server-side-encryption-customer-key","key"); // 服务端加密密钥的 Base64 编码, 例如MDEyMzQ1Njc4OUFCQ0RFRjAxMjM0NTY3ODlBQkNERUY=
    req.AddHeader("x-cos-server-side-encryption-customer-key-MD5","key-MD5"); // 服务端加密密钥的 MD5 哈希值，使用 Base64 编码 例如U5L61r7jcwdNvT7frmUG8g==
    // 这里 MD5 哈希值的 Base64 编码，需在二进制编码的 MD5 基础上计算
    qcloud_cos::PutObjectByFileResp resp;
    qcloud_cos::CosResult result = cos.PutObject(req, &resp);

    std::cout << "====================PutObjectByFile======================" << std::endl;
    PrintResult(result, resp);
    std::cout << "=========================================================" << std::endl;
}
void GetObjectByFileDemo(qcloud_cos::CosAPI& cos) {
    std::string object_name = "test.txt";
    std::string file_path = "./test_file/text2.txt";
    qcloud_cos::GetObjectByFileReq req(bucket_name, object_name, file_path);
    req.SetHttps();
    req.SetCheckMD5(false);
    req.AddHeader("x-cos-server-side-encryption-customer-algorithm", "AES256");  // 服务端加密算法，目前仅支持 AES256
    req.AddHeader("x-cos-server-side-encryption-customer-key","key"); // 服务端加密密钥的 Base64 编码, 例如MDEyMzQ1Njc4OUFCQ0RFRjAxMjM0NTY3ODlBQkNERUY=
    req.AddHeader("x-cos-server-side-encryption-customer-key-MD5","key-MD5"); // 服务端加密密钥的 MD5 哈希值，使用 Base64 编码 例如U5L61r7jcwdNvT7frmUG8g==
    qcloud_cos::GetObjectByFileResp resp;

    qcloud_cos::CosResult result = cos.GetObject(req, &resp);
    std::cout << "===================GetObjectResponse=====================" << std::endl;
    PrintResult(result, resp);
    std::cout << "=========================================================" << std::endl;
}

void PutObjectByFileDemo(qcloud_cos::CosAPI& cos) {
    std::string object_name = "test.txt";
    std::string file_path = "./test_file/text.txt";
    qcloud_cos::PutObjectByFileReq req(bucket_name, object_name, file_path);
    req.SetXCosServerSideEncryption("cos/kms");
    req.TurnOffComputeConentMd5();
    req.AddHeader("x-cos-server-side-encryption-cos-kms-key-id","key-id"); // 指定 KMS 的用户主密钥 CMK，如不指定，则使用 COS 默认创建的 CMK
    req.AddHeader("x-cos-server-side-encryption-context","context"); // 指定加密上下文，值为 JSON 格式加密上下文键值对的 Base64 编码。例如eyJhIjoiYXNkZmEiLCJiIjoiMTIzMzIxIn0=

    qcloud_cos::PutObjectByFileResp resp;
    qcloud_cos::CosResult result = cos.PutObject(req, &resp);

    std::cout << "====================PutObjectByFile======================" << std::endl;
    PrintResult(result, resp);
    std::cout << "=========================================================" << std::endl;
}

void GetObjectByFileDemo(qcloud_cos::CosAPI& cos) {
    std::string object_name = "test.txt";
    std::string file_path = "./test_file/text2.txt";
    qcloud_cos::GetObjectByFileReq req(bucket_name, object_name, file_path);
    req.SetHttps();
    req.SetCheckMD5(false);
    qcloud_cos::GetObjectByFileResp resp;

    qcloud_cos::CosResult result = cos.GetObject(req, &resp);
    std::cout << "===================GetObjectResponse=====================" << std::endl;
    PrintResult(result, resp);
    std::cout << "=========================================================" << std::endl;
}