<?php
namespace App\Http\Controllers\Gateway\NMI;

use App\Constants\Status;
use App\Http\Controllers\Controller;
use App\Http\Controllers\Gateway\PaymentController;
use App\Lib\CurlRequest;
use App\Models\Deposit;
use Illuminate\Support\Facades\Session;

class ProcessController extends Controller {

    public static function process($deposit) {
        $credentials = json_decode($deposit->gatewayCurrency()->gateway_parameter);

        $xmlRequest               = new \DOMDocument('1.0', 'UTF-8');
        $xmlRequest->formatOutput = true;
        $xmlSale                  = $xmlRequest->createElement('sale');

        self::appendXmlNode($xmlRequest, $xmlSale, 'api-key', $credentials->api_key);
        $redirectUrl = route('ipn.NMI');
        if ($deposit->is_web) {
            $redirectUrl .= '?trx=' . encrypt($deposit->trx);
        }
        self::appendXmlNode($xmlRequest, $xmlSale, 'redirect-url', $redirectUrl);

        self::appendXmlNode($xmlRequest, $xmlSale, 'amount', $deposit->amount);

        self::appendXmlNode($xmlRequest, $xmlSale, 'currency', $deposit->method_currency);

        self::appendXmlNode($xmlRequest, $xmlSale, 'order-id', $deposit->trx);
        $xmlRequest->appendChild($xmlSale);

        $data = CurlRequest::curlPostContent('https://secure.nmi.com/api/v2/three-step', $xmlRequest->saveXML(), ["Content-type: text/xml"]);

        $gwResponse = new \SimpleXMLElement($data);
        if ((string) $gwResponse->result == 1) {
            $formURL = $gwResponse->{'form-url'};
        } else {
            $send['error']   = true;
            $send['message'] = 'Something went wrong';
            return json_encode($send);
        }
        $formURL        = (array) $formURL;
        $formURL        = $formURL[0];
        $alias          = $deposit->gateway->alias;
        $send['url']    = $formURL;
        $send['view']   = 'user.payment.' . $alias;
        $send['method'] = 'POST';
        return json_encode($send);
    }

    public function ipn() {
        try {
            $tokenId = $_GET['token-id'];
            $track   = isset($_GET['trx']) ? decrypt($_GET['trx']) : null;
        } catch (\Exception $e) {
            $notify[] = ['error', 'Something went wrong.'];
            return back()->withNotify($notify);
        }

        if (! $track) {
            $track = Session::get('Track');
        }

        $deposit = Deposit::where('trx', $track)->orderBy('id', 'DESC')->first();
        if ($deposit->status == Status::PAYMENT_SUCCESS) {
            $notify[] = ['error', 'Invalid request.'];
            return redirect($deposit->failed_url)->withNotify($notify);
        }

        $credentials = json_decode($deposit->gatewayCurrency()->gateway_parameter);

        $xmlRequest               = new \DOMDocument('1.0', 'UTF-8');
        $xmlRequest->formatOutput = true;
        $xmlCompleteTransaction   = $xmlRequest->createElement('complete-action');

        self::appendXmlNode($xmlRequest, $xmlCompleteTransaction, 'api-key', $credentials->api_key);
        self::appendXmlNode($xmlRequest, $xmlCompleteTransaction, 'token-id', $tokenId);
        $xmlRequest->appendChild($xmlCompleteTransaction);

        $data       = CurlRequest::curlPostContent('https://secure.nmi.com/api/v2/three-step', $xmlRequest->saveXML(), ["Content-type: text/xml"]);
        $gwResponse = @new \SimpleXMLElement((string) $data);

        if ($gwResponse->result == 1) {
            $deposit->detail = $gwResponse;
            $deposit->save();
            PaymentController::userDataUpdate($deposit);
            $notify[] = ['success', 'Payment captured successfully'];
            return redirect($deposit->success_url)->withNotify($notify);
        }

        $notify[] = ['error', 'Something went wrong'];
        return redirect($deposit->failed_url)->withNotify($notify);
    }

    public static function appendXmlNode($domDocument, $parentNode, $name, $value) {
        $childNode      = $domDocument->createElement($name);
        $childNodeValue = $domDocument->createTextNode($value);
        $childNode->appendChild($childNodeValue);
        $parentNode->appendChild($childNode);
    }
}
