<?php

namespace Telemedicina\Http\Controllers;

use Illuminate\Http\Request;
use Telemedicina\Event;
use Telemedicina\PaymentGateway;
use Telemedicina\PaymentTransaction;
use Telemedicina\User;

class PayuController extends Controller
{
    private $merchant_id;
    private $account_id;
    private $apiKey;
    private $currency;
    private $requestUrl;
    private $responseUrl;
    private $confirmationUrl;

    public function __construct(){
        $paymentGateway = PaymentGateway::where('is_production', !config('app.debug'))->first();
        $this->merchant_id = $paymentGateway->merchant_id;
        $this->account_id = $paymentGateway->account_id;
        $this->apiKey = $paymentGateway->api_key;
        $this->currency = $paymentGateway->currency;
        $this->requestUrl = $paymentGateway->request_url;
        $this->responseUrl = $paymentGateway->response_url;
        $this->confirmationUrl = $paymentGateway->confirmation_url;
    }

    function processPayment(Request $request){
        $paymentTransaction = PaymentTransaction::where('signature', $request->s)->first();
        $event = Event::find($paymentTransaction->event_id);
        $referenceCode = $paymentTransaction->signature . '-' . time();

        $dataView = array(
            'merchantId' => $this->merchant_id,
            'accountId' => $this->account_id,
            'description' => "Pago Cita - " . $event->id,
            'referenceCode' => $referenceCode,
            'amount' => $event->rate,
            'tax' => 0,
            'taxReturnBase' => 0,
            'currency' => $this->currency,
            'signature' => $this->makeSignaturePayu($this->apiKey, $this->merchant_id, $referenceCode, $event->rate, $this->currency),
            'test' => config('app.debug'),
            'buyerEmail' => User::find($event->user_id)->email,
            'responseUrl' => $this->responseUrl,
            'confirmationUrl' => $this->confirmationUrl,
            'requestUrl' => $this->requestUrl
        );
        
        return view('payu.webcheckout')->with('dataView', $dataView);
    }

    public static function makeSignaturePayu($apiKey, $merchantId, $reference, $price, $currency){
        return  md5($apiKey . "~" . $merchantId . "~" . $reference . "~" .  $price . "~" .  $currency);
    }

    public function confirmation(){
        
        return view('payu.confirmation');
    }

    public function response(){
        return view('payu.response');
    }
}