<?php


namespace MirfalahTech\Laravel\Payment\Gateway\SenangPay;


use Illuminate\Http\Request;
use Illuminate\Support\Facades\Response as Res;
use MirfalahTech\Laravel\Payment\Contracts\PayableEntity;
use MirfalahTech\Laravel\Payment\Contracts\PaymentGatewayDriver;
use MirfalahTech\Laravel\Payment\Facade\Payment;
use MirfalahTech\Laravel\Payment\Traits\BillStatusBoolean;
use Symfony\Component\HttpFoundation\Response;

class SenangPayDriver implements PaymentGatewayDriver
{
    use BillStatusBoolean;

    /**
     * @var string
     */
    protected $endpoint;

    /**
     * @var string
     */
    protected $merchant_id;

    /**
     * @var string
     */
    protected $secret_key;

    public function __construct(string $endpoint, string $merchant_id, string $secret_key){
        $this->endpoint = rtrim($endpoint, '/');
        $this->merchant_id = $merchant_id;
        $this->secret_key = $secret_key;
    }

    public function createPaymentURL(PayableEntity $payable, array $options = []): string
    {
        $detail = $payable->getBillDescription();
        $amount = $payable->getBillAmount();
        $order_id = $payable->getBillId();

        $detail = preg_replace('/[^A-Z0-9,\-_]/i', '_', $detail);
        $amount = sprintf('%0.2f', $amount);
        $hash = md5($this->secret_key.$detail.$amount.$order_id);

        return "$this->endpoint/payment/$this->merchant_id?".
            http_build_query(compact('detail', 'order_id', 'amount', 'hash'));
    }

    public function verifyGatewayReturn(Request $request): bool
    {
        $hash = $request->query->get('hash');
        return $hash == $this->computeHash($request->request->all());
    }

    public function verifyGatewayCallback(Request $request, Response &$response = null): bool
    {
        $response = Res::make('OK');
        $hash = $request->request->get('hash');
        return $hash == $this->computeHash($request->request->all());
    }

    public function getBillIdFromRequest(Request $request): ?string{
        return $request->get('order_id');
    }

    public function getBillStatus(Request $request): ?int
    {
        return $request->request->get('status') == 1 ? Payment::SUCCESS : Payment::PENDING;
    }

    public function computeHash($payload){
        $payload['hash'] = '[HASH]';
        return md5($this->secret_key.'?'.http_build_query($payload));
    }
}