protected $useProd = false;
protected $useCloud = false;
protected $payment_host_to_host_endpoint = "/api/v1.0/debit/payment-host-to-host";

protected $client_id = "TNICEEW051";
PROTECTED $key = "_PRIVATE_KEY_MERCHANT";
PROTECTED $client_secret = "_CLIENT_SECRET_MERCHANT";
PROTECTED $access_token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJJT05QQVlURVNUIiwiaXNzIjoiTklDRVBBWSIsIm5hbWUiOiJCUklOIiwiZXhwIjoiMjAyNC0wMi0xMVQwODowOTozNVoifQ==.aIybLX36dYwfFvW7dcoenXkOe2EAwIYq84ZtPuIf3K8=";
PROTECTED $store_id = "239840198240795109";

$url = HttpUtil::getNicepayDomain($this->useProd, $this->useCloud) . $this->payment_host_to_host_endpoint;
$helper = new Helpers();

$http_method = "POST";
$x_time_stamp = "2024-12-31T10:11:40+07:00";
$partner_id = "TNICEEW051"; 
$client_secret = $this->client_secret;
$access_token = $this->access_token;
$store_id = $this->store_id;

$external_id = "tXid202402111402271707638099";
$channel_id = "TNICEEW051"; 

$body = [
    "partnerReferenceNo" => "2020102900000000000001",
    "merchantId" => $partner_id,
    "subMerchantId" => "310928924949487",
    "amount" => [
        "value" => "12345678.00",
        "currency" => "IDR"
    ],
    "urlParams" => [
        [
            "url" => "https://test1.bi.go.id/v1/test",
            "type" => "PAY_NOTIFY",
            "isDeeplink" => "Y"
        ],
        [
            "url" => "https://test2.bi.go.id/v1/test",
            "type" => "PAY_RETURN",
            "isDeeplink" => "Y"
        ]
    ],
    "externalStoreId" => $store_id,
    "validUpTo" => "2020-12-23T07:44:11+07:00",
    "pointOfInitiation" => "Mobile App",
    "additionalInfo" => [
        "mitraCd" => "DANA",
        "goodsNm" => "Merchant Goods 1",
        "billingNm" => "Buyer Name",
        "billingPhone" => "02112345678",
        "billingEmail" => "[email protected]",
        "callBackUrl" => "http://www.merchant.com/callback",
        "dbProcessUrl" => "http://www.merchant.com/notification",
        "cartData" => '{"count":"2","item":[{"img_url":"http://img.aaa.com/ima1.jpg","goods_name":"Item 1 Name","goods_detail":"Item 1 Detail","goods_amt":"0.00","goods_quantity":"1"},{"img_url":"http://img.aaa.com/ima2.jpg","goods_name":"Item 2 Name","goods_detail":"Item 2 Detail","goods_amt":"12345678.00","goods_quantity":"1"}]}',
        "msId" => "",
        "msFee" => "",
        "msFeeType" => "",
        "mbFee" => "",
        "mbFeeType" => ""
    ]
];

$string_to_sign = $helper->generateStringToSign(
    $http_method,
    $this->payment_host_to_host_endpoint,
    $access_token,
    $body,
    $x_time_stamp
);

$signature = $helper->hmacSHA512Encoded(
    $string_to_sign,
    $client_secret,
    OPENSSL_ALGO_SHA512
);

$header = $helper->generateHeader(
    $access_token,
    $x_time_stamp,
    $signature,
    $partner_id,
    $external_id,
    $channel_id
);

try {
    $response = HttpUtil::postJsonRequestWithHeader($url, $body, $header);
} catch (Exception $e) {
    // Handle exception
}

{
  "responseCode": "2005400",
  "responseMessage": "Successful",
  "partnerReferenceNo": "2020102900000000000001",
  "referenceNo": "TNICEEW05105202210141451109841",
  "webRedirectUrl": "https://pjsp.com/universal?bizNo=REF993883&...",
  "additionalInfo": {
    "redirectToken": " df548fff93e82aad9174c657820a85aa5d10042535157c7e89f52499"
  }
}