<?php

namespace App\User\MembershipRenew;

use App\Payment\PayPal\PayPalServiceFactory;
use App\Payment\PayPal\Exception as PayPalException;
use App\User\ModelAwareTrait;
use Exception;
use PayPal\EBLBaseComponents\PaymentInfoType;
use Qs_Array;
use Qs_Db_Table;
use Qs_Request;
use Qs_String;

class View extends \Qs_ViewController
{
    use ModelAwareTrait;

    protected $_actions = ['index', 'payment', 'expressCheckout', 'cancelPayment'];

    protected function _doIndex()
    {
        $this->_addItem([
            'user'                => $this->getUser(),
            'canRenew'            => $this->canRenew(),
            'expired'             => $this->isExpired(),
            'renewExpirationDate' => $this->getRenewExpirationDate(),
            'renewSince'          => $this->getRenewSinceDate(),
            'paymentUrl'          => $this->url(['action' => 'payment']),
            'tpl'                 => $this->getTemplate('index.tpl'),
        ]);
        return $this;
    }

    public function canRenew()
    {
        return $this->getRenewSinceDate() < date('Y-m-d');
    }

    public function isExpired()
    {
        return $this->getUser('membershipExpiresOn') < date('Y-m-d');
    }

    public function getRenewExpirationDate()
    {
        $startDate = $this->isExpired() ? date('Y-m-d') : $this->getUser('membershipExpiresOn');
        if (!($duration = $this->getUser('membership[duration]'))) {
            throw new Exception('Membership duration is undefined');
        }
        return date('Y-m-d', strtotime($startDate . " +{$duration} year"));
    }

    public function getRenewSinceDate()
    {
        $renewSince = $this->getConfig('renewSince');
        return date('Y-m-d', strtotime($this->getUser('membershipExpiresOn') . " -{$renewSince} month"));
    }

    public function getUser($field = null)
    {
        static $user = [];
        if ([] === $user) {
            $user = $this->_doc->getAuthData();
            $user['membership'] = (new Qs_Db_Table('MembershipType'))->search($user['membershipTypeId']);
        }
        return Qs_Array::get($user, $field);
    }

    public function _doPayment()
    {
        try {
            $service = PayPalServiceFactory::create();
            $user = $this->getUser();
            $total = [
                'currencyID' => 'USD',
                'value'      => $user['membership']['price'],
            ];

            $response = $service->setExpressCheckout([
                'SetExpressCheckoutRequestDetails' => [
                    'PaymentDetails'     => [
                        'PaymentDetailsItem' => [
                            'Name'        => 'Membership Renew',
                            'Description' => 'Member: ' . $user['firstName'] . ' ' . $user['lastName']
                                . '. Membership: ' . $this->getUser('membership[title]')
                                . '. Expires on: ' . date('m/d/Y', strtotime($this->getRenewExpirationDate())),
                            'Quantity'    => 1,
                            'Amount'      => $total,
                        ],
                        'OrderTotal'         => $total,
                        'PaymentAction'      => 'Sale',
                        'ItemTotal'          => $total,
                    ],
                    'NoShipping'         => 1,
                    'ReqConfirmShipping' => 0,
                    'SolutionType'       => 'Sole',
                    'CancelURL'          => $this->url(['action' => 'cancelPayment']),
                    'ReturnURL'          => $this->url(['action' => 'expressCheckout']),
                ],
            ]);

            $url = Qs_String::fill($service->getExpressCheckoutUrl(), ['token' => $response->Token]);
            $this->redirect($url);
        } catch (PayPalException $e) {
            $this->_setBackUrl($this->url());
            $this->_setBackError($e->getMessage());
            $this->_doBack();
        }
    }

    protected function _doCancelPayment()
    {
        $this->redirect($this->url());
    }

    protected function _doExpressCheckout()
    {
        $token = Qs_Request::getGetValue('token');
        $payerId = Qs_Request::getGetValue('PayerID');

        $service = PayPalServiceFactory::create();
        $this->_setBackUrl($this->url());
        try {
            $detailsResponse = $service->getExpressCheckoutDetails($token);

            $paymentDetails = current((array) $detailsResponse->GetExpressCheckoutDetailsResponseDetails->PaymentDetails);

            $total = [
                'currencyID' => $paymentDetails->OrderTotal->currencyID,
                'value'      => $paymentDetails->OrderTotal->value,
            ];

            $response = $service->doExpressCheckoutPayment([
                'DoExpressCheckoutPaymentRequestDetails' => [
                    'PayerID'        => $payerId,
                    'Token'          => $token,
                    'PaymentDetails' => [
                        'OrderTotal'    => $total,
                        'ItemTotal'     => $total,
                        'PaymentAction' => 'Sale',
                    ],
                ],
            ]);

            /** @var PaymentInfoType $paymentInfo */
            $paymentInfo = current((array) $response->DoExpressCheckoutPaymentResponseDetails->PaymentInfo);

            $transactionId = $paymentInfo->TransactionID;

            $userId = $this->_doc->getAuthData('id');

            $this->getModel()->update([
                'transactionId'       => $transactionId,
                'membershipExpiresOn' => $this->getRenewExpirationDate(),
            ], ['id' => $userId]);

            $user = $this->getModel()->find(['id' => $userId]);
            $this->notify($user);

            $this->_setBackMessage('Membership has been successfully renewed');
        } catch (PayPalException $e) {
            $this->_setBackError($e->getMessage());
        }
        $this->_doBack();

        return $this;
    }

    private function notify(array $user)
    {
        Mail::sendMembershipRenewedToUser($user);
        return $this;
    }
}