<?php

namespace App\Core\Payment\Pos;

use Carbon\Carbon;
use GPBMetadata\Google\Api\Log;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\GuzzleException;
use App\Core\Payment\Pos\Exceptions\UnsupportedPaymentModelException;
use App\Core\Payment\Pos\Exceptions\UnsupportedTransactionTypeException;
use App\Core\Payment\Pos\PosHelpersTrait;
use Illuminate\Support\Facades\Hash;
use Symfony\Component\HttpFoundation\Request;

/**
 * Class EstPos
 * @package Mews\Pos
 */
class AkPos implements PosInterface
{
    use PosHelpersTrait;

    /**
     * @const string
     */
    public const NAME = 'AkPos';

    /**
     * API URL
     *
     * @var string
     */
    public $url;

    /**
     * 3D Pay Gateway URL
     *
     * @var string
     */
    public $gateway;

    /**
     * Response Codes
     *
     * @var array
     */
    public $codes = [
        '00' => 'approved',
        '01' => 'bank_call',
        '02' => 'bank_call',
        '05' => 'reject',
        '09' => 'try_again',
        '12' => 'invalid_transaction',
        '28' => 'reject',
        '51' => 'insufficient_balance',
        '54' => 'expired_card',
        '57' => 'does_not_allow_card_holder',
        '62' => 'restricted_card',
        '77' => 'request_rejected',
        '99' => 'general_error',
    ];

    /**
     * Transaction Types
     *
     * @var array
     */
    public $types = [
        'pay' => 'Auth',
        'pre' => 'PreAuth',
        'post' => 'PostAuth',
    ];

    /**
     * Currencies
     *
     * @var array
     */
    public $currencies = [];

    /**
     * Transaction Type
     *
     * @var string
     */
    public $type;

    /**
     * API Account
     *
     * @var array
     */
    protected $account = [];

    /**
     * Order Details
     *
     * @var array
     */
    protected $order = [];

    /**
     * Credit Card
     *
     * @var object
     */
    protected $card;

    /**
     * Request
     *
     * @var Request
     */
    protected $request;

    /**
     * Response Raw Data
     *
     * @var object
     */
    protected $data;

    /**
     * Processed Response Data
     *
     * @var mixed
     */
    public $response;

    /**
     * Configuration
     *
     * @var array
     */
    protected $config = [];

    /**
     * Response Raw Data
     *
     * @var object
     */
    protected $mbrId = 5;

    /**
     * EstPos constructor.
     *
     * @param array $config
     * @param mixed $account
     * @param array $currencies
     */
    public function __construct($config, $account, array $currencies)
    {
        $this->config = $config;
        $this->account = $account;
        $this->currencies = $currencies;

        $this->url = isset($this->config['urls'][$this->account->env]) ?
            $this->config['urls'][$this->account->env] :
            $this->config['urls']['production'];

        $this->gateway = isset($this->config['urls']['gateway'][$this->account->env]) ?
            $this->config['urls']['gateway'][$this->account->env] :
            $this->config['urls']['gateway']['production'];


        return $this;
    }


    /**
     * Get ProcReturnCode
     *
     * @return string|null
     */
    protected function getRandomNumberBase16()
    {
        $n = 128;

        $characters = '0123456789ABCDEF';
        $randomString = '';

        for ($i = 0; $i < $n; $i++) {
            $index = rand(0, strlen($characters) - 1);
            $randomString .= $characters[$index];
        }

        return strtoupper($randomString);

    }

    /**
     * Create Regular Payment XML
     *
     * @return string
     */
    protected function createRegularPaymentXML()
    {
        $nodes = [
            'CC5Request' => [
                'Name' => $this->account->username,
                'Password' => $this->account->password,
                'ClientId' => $this->account->client_id,
                'Type' => $this->type,
                'IPAddress' => $this->order->ip,
                'Email' => $this->order->email,
                'OrderId' => $this->order->id,
                'UserId' => isset($this->order->user_id) ? $this->order->user_id : null,
                'Total' => $this->order->amount,
                'Currency' => $this->order->currency,
                'Taksit' => $this->order->installment,
                'CardType' => isset($this->card->type) ? $this->card->type : null,
                'Number' => $this->card->number,
                'Expires' => $this->card->month . '/' . $this->card->year,
                'Cvv2Val' => $this->card->cvv,
                'Mode' => 'P',
                'GroupId' => '',
                'TransId' => '',
                'BillTo' => [
                    'Name' => $this->order->name ? $this->order->name : null,
                ]
            ]
        ];

        return $this->createXML($nodes, 'ISO-8859-9');
    }

    /**
     * Create Regular Payment Post XML
     *
     * @return string
     */
    protected function createRegularPostXML()
    {
        $nodes = [
            'CC5Request' => [
                'Name' => $this->account->username,
                'Password' => $this->account->password,
                'ClientId' => $this->account->client_id,
                'Type' => $this->types[$this->order->transaction],
                'OrderId' => $this->order->id,
            ]
        ];

        return $this->createXML($nodes, 'ISO-8859-9');
    }

    /**
     * Create 3D Payment XML
     * @return string
     */
    protected function create3DPaymentXML()
    {
        $nodes = [
            'CC5Request' => [
                'Name' => $this->account->username,
                'Password' => $this->account->password,
                'ClientId' => $this->account->client_id,
                'Type' => $this->type,
                'IPAddress' => $this->order->ip,
                'Email' => $this->order->email,
                'OrderId' => $this->order->id,
                'UserId' => isset($this->order->user_id) ? $this->order->user_id : null,
                'Total' => $this->order->amount,
                'Currency' => $this->order->currency,
                'Taksit' => $this->order->installment,
                'Number' => $this->request->get('md'),
                'Expires' => '',
                'Cvv2Val' => '',
                'PayerTxnId' => $this->request->get('xid'),
                'PayerSecurityLevel' => $this->request->get('eci'),
                'PayerAuthenticationCode' => $this->request->get('cavv'),
                'CardholderPresentCode' => '13',
                'Mode' => 'P',
                'GroupId' => '',
                'TransId' => '',
            ]
        ];

        if ($this->order->name) {
            $nodes['BillTo'] = [
                'Name' => $this->order->name,
            ];
        }

        return $this->createXML($nodes, 'ISO-8859-9');
    }

    /**
     * Get ProcReturnCode
     *
     * @return string|null
     */
    protected function getProcReturnCode()
    {
        return isset($this->data->ProcReturnCode) ? (string)$this->data->ProcReturnCode : null;
    }

    /**
     * Get Status Detail Text
     *
     * @return string|null
     */
    protected function getStatusDetail()
    {
        $proc_return_code = $this->getProcReturnCode();

        return $proc_return_code ? (isset($this->codes[$proc_return_code]) ? (string)$this->codes[$proc_return_code] : null) : null;
    }

    /**
     * Create 3D Hash
     *
     * @return string
     */
    public function create3DHash()
    {
        $hashItems = [];

        $hashItems[] = mb_strtoupper($this->account->model);
        $hashItems[] = $this->txnCode;
        $hashItems[] = $this->account->merchant_safe_id;
        $hashItems[] = $this->account->terminal_safe_id;
        $hashItems[] = $this->order->id;
        $hashItems[] = mb_strtoupper($this->order->lang);
        $hashItems[] = $this->order->amount;
        //$hashItems[] = $this->order->ccbRewardAmount;
        //$hashItems[] = $this->order->pcbRewardAmount;
        //$hashItems[] = $this->order->xcbRewardAmount;
        $hashItems[] = $this->order->currency;
        $hashItems[] = $this->order->installment;
        $hashItems[] = $this->order->success_url;
        $hashItems[] = $this->order->fail_url;
        //$hashItems[] = $this->order->emailAddress;
        //$hashItems[] = $this->order->subMerchantId;
        $hashItems[] = $this->card->number;
        $hashItems[] = $this->getCardExpDate();
        $hashItems[] = $this->card->cvv;
        $hashItems[] = $this->order->rand;
        $hashItems[] = $this->order->requestDateTime;
        //$hashItems[] = $this->order->b2bIdentityNumber;

        $hashItemsString = implode('', $hashItems);

        $hashItemsStringHashed = hash_hmac('sha512', $hashItemsString, $this->account->secret_key, true);

        return base64_encode($hashItemsStringHashed);
    }

    /**
     * Check 3D Hash
     *
     * @param array $data
     * @return bool
     */
    public function check3DHash($data)
    {
        $return = false;

        $params = explode('+', $data['hashParams']);

        $builder = '';
        foreach ($params as $param) {
            $builder .= $data[$param];
        }

        $hashItemsStringHashed = hash_hmac('sha512', $builder, $this->account->secret_key, true);
        $hashItemsStringHashed = base64_encode($hashItemsStringHashed);

        if ($data['hash'] == $hashItemsStringHashed) {
            $return = true;
        }

        return $return;
    }

    /**
     * Regular Payment
     *
     * @return $this
     * @throws GuzzleException
     */
    public function makeRegularPayment()
    {
        return false;
    }

    /**
     * Make 3D Payment
     *
     * @return $this
     * @throws GuzzleException
     */
    public function make3DPayment()
    {
        return false;
    }

    /**
     * Make 3D Pay Payment
     *
     * @return $this
     */
    public function make3DPayPayment()
    {
        $this->request = Request::createFromGlobals();

        $status = 'declined';

        if ($this->check3DHash($this->request->request->all()) && (string)$this->request->get('responseCode') == 'VPS-0000') {
            $status = 'approved';
        }

        $transaction_security = 'MPI fallback';
        if ($status == 'approved') {
            //if ($this->request->get('3DStatus') == '1') {
            $transaction_security = 'Full 3D Secure';
            // } elseif (in_array($this->request->get('3DStatus'), [2, 3, 4])) {
            //$transaction_security = 'Half 3D Secure';
            //}
        }


        $this->response = (object)[
            'id' => (string)$this->request->get('authCode'),
            'order_id' => (string)$this->request->get('orderId'),
            'trans_id' => (string)$this->request->get('rrn'),
            'response' => (string)$this->request->get('responseCode'),
            'merchantSafeId' => (string)$this->request->get('merchantSafeId'),
            'terminalSafeId' => (string)$this->request->get('terminalSafeId'),
            'transaction_type' => $this->type,
            'transaction' => (string)$this->request->get('rrn'),
            'transaction_security' => $transaction_security,
            'auth_code' => (string)$this->request->get('authCode'),
            'host_ref_num' => (string)$this->request->get('rrn'),
            'proc_return_code' => (string)$this->request->get('hostResponseCode'),
            'code' => (string)$this->request->get('responseCode'),
            'status' => $status,
            'status_detail' => $this->getStatusDetail(),
            'error_code' => (string)$this->request->get('responseCode') != 'VPS-0000' ? (string)$this->request->get('responseCode') : null,
            'error_message' => (string)$this->request->get('responseCode') != 'VPS-0000' ? (string)$this->request->get('responseMessage') : null,
            'md_status' => (string)$this->request->get('md_status'),
            'hash' => (string)$this->request->get('hash'),
            'rand' => null,
            'hash_params' => (string)$this->request->get('hashParams'),
            'hash_params_val' => (string)$this->request->get('hash'),
            'amount' => (string)$this->request->get('amount'),
            'md_error_message' => (string)$this->request->get('responseCode') != 'VPS-0000' ? (string)$this->request->get('responseMessage') : null,
            'all' => $this->request->request->all()
        ];


        return $this;
    }

    /**
     * Get 3d Form Data
     *
     * @return array
     */
    public function get3DFormData()
    {
        $data = [];

        if ($this->order) {

            $this->order->amount = number_format($this->order->amount, 2, '.', '');
            $this->order->rand = $this->getRandomNumberBase16();
            $this->order->requestDateTime = mb_substr(Carbon::now()->toISOString(), 0, 23);
            $this->order->installment = $this->order->installment == 0 ? 1 : $this->order->installment;

            $this->order->hash = $this->create3DHash();

            $inputs = [
                'paymentModel' => mb_strtoupper($this->account->model),
                'txnCode' => $this->txnCode,
                'merchantSafeId' => $this->account->merchant_safe_id,
                'terminalSafeId' => $this->account->terminal_safe_id,
                'orderId' => $this->order->id,
                'lang' => mb_strtoupper($this->order->lang),
                'amount' => $this->order->amount,
                'currencyCode' => $this->order->currency,
                'installCount' => $this->order->installment,
                'okUrl' => $this->order->success_url,
                'failUrl' => $this->order->fail_url,
                'creditCard' => $this->card->number,
                'expiredDate' => $this->getCardExpDate(),
                'cvv' => $this->card->cvv,
                'randomNumber' => $this->order->rand,
                'requestDateTime' => $this->order->requestDateTime,
                'hash' => $this->order->hash,
            ];

            $data = [
                'gateway' => $this->gateway,
                'success_url' => $this->order->success_url,
                'fail_url' => $this->order->fail_url,
                'rand' => $this->order->rand,
                'hash' => $this->order->hash,
                'inputs' => $inputs,
            ];

            //$formData = $data;
            //echo view('threeDSecureForm', compact('formData'));die();

        }

        return $data;
    }

    /**
     * Send contents to WebService
     *
     * @param $contents
     * @return $this
     * @throws GuzzleException
     */
    public function send($contents)
    {
        $client = new Client();

        $response = $client->request('POST', $this->url, [
            'body' => $contents
        ]);

        $this->data = $this->XMLStringToObject($response->getBody()->getContents());

        return $this;
    }

    /**
     * Prepare Order
     *
     * @param object $order
     * @param object null $card
     * @return mixed
     * @throws UnsupportedTransactionTypeException
     */
    public function prepare($order, $card = null)
    {
        $this->type = $this->types['pay'];
        if (isset($order->transaction)) {
            if (array_key_exists($order->transaction, $this->types)) {
                $this->type = $this->types[$order->transaction];
            } else {
                throw new UnsupportedTransactionTypeException('Unsupported transaction type!');
            }
        }

        $this->order = $order;
        $this->card = $card;
        $this->txnCode = 3000;

        $this->order->installment = $this->order->installment == 0 ? 0 : $this->order->installment;
    }

    /**
     * Make Payment
     *
     * @param object $card
     * @return mixed
     * @throws UnsupportedPaymentModelException
     * @throws GuzzleException
     */
    public function payment($card)
    {
        $this->card = $card;

        $model = 'regular';
        if (isset($this->account->model) && $this->account->model) {
            $model = $this->account->model;
        }

        if ($model == 'regular') {
            $this->makeRegularPayment();
        } elseif ($model == '3d') {
            $this->make3DPayment();
        } elseif ($model == '3d_pay') {
            $this->make3DPayPayment();
        } else {
            throw new UnsupportedPaymentModelException();
        }

        return $this;
    }

    /**
     * Refund Order
     *
     * @param array $meta
     * @return $this
     * @throws GuzzleException
     */
    public function refund(array $meta)
    {
        return false;
    }

    /**
     * Cancel Order
     *
     * @param array $meta
     * @return $this
     * @throws GuzzleException
     */
    public function cancel(array $meta)
    {
        return false;
    }

    /**
     * Order Status
     *
     * @param array $meta
     * @return $this
     * @throws GuzzleException
     */
    public function status(array $meta)
    {
        return false;
    }

    /**
     * Order History
     *
     * @param array $meta
     * @return $this
     * @throws GuzzleException
     */
    public function history(array $meta)
    {
        return false;
    }

    /**
     * @return array
     */
    public function getConfig()
    {
        return $this->config;
    }

    /**
     * @return mixed
     */
    public function getAccount()
    {
        return $this->account;
    }

    /**
     * @return array
     */
    public function getCurrencies()
    {
        return $this->currencies;
    }

    /**
     * @return mixed
     */
    public function getOrder()
    {
        return $this->order;
    }

    /**
     * @return mixed
     */
    public function getCard()
    {
        return $this->card;
    }

    /**
     * @return string|null
     */
    public function getCardCode()
    {
        $card_type = null;
        if (isset($this->card->type)) {
            if ($this->card->type == 'visa') {
                $card_type = '0';
            } elseif ($this->card->type == 'master') {
                $card_type = '1';
            } elseif ($this->card->type == '1' || $this->card->type == '2') {
                $card_type = $this->card->type;
            }
        }
        return $card_type;
    }

    protected function getCardExpDate()
    {
        $year = (string)substr($this->card->year, 2, 2);
        $month = (string)substr($this->card->month, 0, 2);

        return (string)$month . $year;
    }


}