<?php

namespace App\Taxation\User;

use App\Form\StepAwareViewTrait;
use App\Payment\PaymentForm;
use App\Payment\PaymentViewTrait;
use App\Payment\VerificationForm;
use App\Taxation\Entity;
use App\Taxation\Mail;
use Exception;
use Qs_Array;
use Qs_Db;
use Qs_Request;
use Qs_SiteMap;
use Qs_View;
use Qs_ViewController;
use Qs\IntegrityPayment\Exception as IntegrityPaymentException;
use Qs\SecurePaymentSystems\Exception as SpsException;
use App\Bank\Api\View as BankApiView;

/**
 * Class PayView
 * @package App\Taxation\User
 * @method Obj _getDataObj()
 */
class PayView extends Qs_ViewController
{
    use StepAwareViewTrait {
        getSteps as getTraitSteps;
    }
    use PaymentViewTrait;

    const STEP_PAYMENT      = 'payment';
    const STEP_VERIFICATION = 'verification';
    const STEP_FINAL        = 'final';

    protected $_actions = ['payment', 'verification', 'final'];

    public function exec()
    {
        $this->_getDataObj()->setFilter('vendorId', $this->_doc->getAuthData('vendorId'));
        $obj = $this->_getDataObj();
        if (!($id = $this->_restAlias) || !($taxation = $obj->setPrimaryKey($id)->getData())) {
            $this->_doc->displayError('Invalid Taxation ID');
            return $this;
        }
        $this->_initAction();
        if ($this->step != self::STEP_FINAL && !empty($taxation['transactionId'])) {
            $this->_setBackUrl(View::getPage('url'));
            $paymentMethodTitle = $this->getConfigArray('paymentMethods')[$taxation['paymentMethod']];
            $this->_setBackError(
                'Taxation Invoice #' . $taxation['id'] . ' is already paid by ' . $paymentMethodTitle . '. '
                . 'Transaction ID = ' . $taxation['transactionId']
            );
            $this->_doBack();
        }

        $result = $this->_callAction();

        $placeholders = [
            'stepProgress' => $this->renderProgressBar(),
            'stepTitleBar' => $this->renderStepTitle(),
        ];

        if (is_string($result)) {
            $placeholders['stepContent'] = $result;
        } elseif (is_array($result)) {
            $placeholders = array_merge($placeholders, $result);
        } else {
            throw new Exception('Unsupported action result');
        }
        $this->_doc->setModulePlaceholders($this->getOption('type'), $placeholders);

        return $this;
    }

    protected function _initAction()
    {
        $this->step = $this->_action = $this->_doc->getOption('xStep');
        return parent::_initAction();
    }

    protected function _doPayment()
    {
        $form = $this->getPaymentForm();
        if (Qs_Request::isPost()) {
            if ($form->validate()) {
                $this->saveStepData($this->step, $form->getValues());
                $url = self::getStepUrl(self::STEP_VERIFICATION) . '/' . $this->_restAlias;
                $this->redirect($url);
            }
        } else {
            $form->setDefaults($this->getStepData());
        }
        return $form->render();
    }

    protected function getPaymentForm()
    {
        $options = [
            'bankApiUrl' => BankApiView::getPage('fullAlias'),
            'userId'     => $this->_doc->getAuthData('id'),
            'attribs'    => array('class' => 'stepPayment'),
        ];
        $form = new PaymentForm($options);
        return $form;
    }

    protected function getVerificationForm()
    {
        $options = [];
        $options['payment'] = $this->getStepData(self::STEP_PAYMENT);
        $options['payment']['summary']['total'] = $this->_getDataObj()->getData('total');
        $options['cancelUrl'] = self::getStepUrl(self::STEP_PAYMENT) . '/' . $this->_restAlias;
        $form = new VerificationForm($options);
        return $form;
    }

    protected function _doPaymentAjax()
    {
        $form = $this->getPaymentForm();
        $response = $form->validateAjax();
        $this->_displayJson($response);
    }

    protected function _doVerificationAjax()
    {
        $form = $this->getVerificationForm();
        $response = $form->validateAjax();
        $this->_displayJson($response);
    }

    protected function _doVerification()
    {
        $form = $this->getVerificationForm();
        if (Qs_Request::isPost() && $form->validate()) {
            Qs_Db::getInstance()->beginTransaction();
            try {
                $taxationId = $this->_restAlias;
                $payment = $this->getStepData(self::STEP_PAYMENT);
                $payment['total'] = $this->_getDataObj()->getData('total');
                $user = $this->_doc->getAuthData();
                $vendor = $this->_getDataObj()->getVendorModel()->get($user['vendorId']);
                $payment['transactionId'] = $this->processPayment('Tax. #' . $taxationId, $payment, $user, $vendor);
                $payment['transactionTime'] = date('Y-m-d H:i:s');
                $payment['ip'] = Qs_Request::getClientIP();
                $payment['status'] = Entity::STATUS_PAID;
                $this->maskPaymentData($payment);
                $this->_getDataObj()->updatePayment($payment, $taxationId);
                Qs_Db::getInstance()->commit();
                Mail::sendTaxationInvoicePaidToUser($taxationId);
                Mail::sendTaxationInvoicePaidToAdmin($taxationId);
                $this->clearSession();
                $url = self::getStepUrl(self::STEP_FINAL) . '/' . $this->_restAlias;
                $this->redirect($url);
            } catch (IntegrityPaymentException $e) {
                $this->_setBackUrl(self::getStepUrl(self::STEP_PAYMENT) . '/' . $this->_restAlias);
                $this->_setBackError($e->getMessage());
            } catch (SpsException $e) {
                $this->_setBackUrl(self::getStepUrl(self::STEP_PAYMENT) . '/' . $this->_restAlias);
                $this->_setBackError('SPS Error: ' . $e->getMessage());
            }
            Qs_Db::getInstance()->rollBack();
            $this->_doBack();
        }
        Qs_View::getInstance()->addHelperPath('App/License/View/Helper/', 'App\License\View\Helper\\');
        $item = $this->_getDataObj()->getData();
        $item['vendor'] = $this->_getDataObj()->getVendorModel()->get($this->_doc->getAuthData('vendorId'));
        $item['tpl'] = $this->getTemplate('verification.tpl');
        return $this->_doc->fetchItem($item) . $form->render();
    }

    protected function _getDataObjClass()
    {
        return Obj::class;
    }

    public static function getStepUrl($step)
    {
        return self::getStepPage($step, 'url');
    }

    public static function getStepPage($step, $field = null)
    {
        if (false === ($page = Qs_SiteMap::findFirst(['xStep' => $step], ['type' => 'Taxation\\User\\Pay']))) {
            throw new Exception('Can not find "' . $step . '" step url');
        }
        return Qs_Array::get($page, $field);
    }

    protected function getSteps()
    {
        if (null === $this->steps) {
            $this->getTraitSteps();
            $disabledSteps = [];
            if ($this->_action == self::STEP_FINAL) {
                $disabledSteps = [self::STEP_PAYMENT, self::STEP_VERIFICATION, self::STEP_FINAL];
            }
            foreach ($this->steps as $index => &$step) {
                $step['enabled'] = !in_array($step['name'], $disabledSteps);
                $step['title'] = self::getStepPage($step['name'], 'menuTitle');
                $step['url'] .= '/' . $this->_restAlias;
            }
        }
        return $this->steps;
    }

    protected function renderStepTitle()
    {
        $step = $this->getCurrentStep();
        $item = [
            'currentStep'      => $step,
            'currentStepTitle' => $step['title'],
            'stepsCount'       => count($this->getSteps()),
            'tpl'              => $this->getTemplate('step-title-bar.tpl'),
        ];
        return $this->_doc->fetchItem($item);
    }

    protected function _doFinal()
    {
        return [
            'id' => $this->_restAlias
        ];
    }
}