<?php
/**
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License version 3.0
* that is bundled with this package in the file LICENSE.md
* It is also available through the world-wide-web at this URL:
* https://opensource.org/license/osl-3-0-php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to support@qloapps.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade this module to a newer
* versions in the future. If you wish to customize this module for your needs
* please refer to https://store.webkul.com/customisation-guidelines for more information.
*
* @author Webkul IN
* @copyright Since 2010 Webkul
* @license https://opensource.org/license/osl-3-0-php Open Software License version 3.0
*/

class QloHotelReviewDefaultModuleFrontController extends ModuleFrontController
{
    public function __construct()
    {
        parent::__construct();
        $this->content_only = true;
    }

    public function checkAccess()
    {
        return strcmp(Tools::getValue('token', ''), $this->module->secure_key) === 0;
    }

    public function displayAjaxAddReview()
    {
        $idHotel = Tools::getValue('id_hotel');
        $idOrder = Tools::getValue('id_order');
        $ratingOverall = Tools::getValue('rating_overall');
        $ratingCategories = Tools::getValue('rating_categories');
        $subject = Tools::getValue('subject');
        $description = Tools::getValue('description');

        $maxImages = (int) Configuration::get('QHR_MAX_IMAGES_PER_REVIEW');
        $approvalEnabled = (int) Configuration::get('QHR_ADMIN_APPROVAL_ENABLED');

        $status = false;
        $errors = array('by_key' => array(), 'general' => array());
        $objModule = new QloHotelReview();
        $objHotel = new HotelBranchInformation($idHotel);
        $objOrder = new Order($idOrder);

        // Validations
        if (!Validate::isLoadedObject($objHotel)) {
            $errors['general'][] = $objModule->l('Invalid hotel ID.', 'default');
        }

        if (!Validate::isLoadedObject($objOrder)) {
            $errors['general'][] = $objModule->l('Invalid order ID.', 'default');
        }

        $submittedSecureKey = Tools::getValue('order_secure_key', '');
        if (!Validate::isLoadedObject($objOrder) || !$submittedSecureKey || $submittedSecureKey !== $objOrder->secure_key ) {
            $errors['general'][] = $objModule->l('You are not authorized to submit a review.', 'default');
            $this->ajaxDie(json_encode(array('status' => false, 'errors' => $errors)));
        }

        if (!$subject) {
            $errors['by_key']['subject'] = $objModule->l('This field can not be empty.', 'default');
        } elseif(!Validate::isGenericName($subject)) {
            $errors['by_key']['subject'] = $objModule->l('This field is invalid.', 'default');
        } elseif(Tools::strlen($subject) > 255) {
            $errors['by_key']['subject'] = $objModule->l('This field is too long.', 'default');
        }


        if(!Validate::isMessage($description)) {
            $errors['by_key']['description'] = $objModule->l('Review description is invalid.', 'default');
        } elseif(Tools::strlen($description) > 65535) {
            $errors['by_key']['description'] = $objModule->l('This field is too long.', 'default');
        }

        if (is_array($_FILES) && array_key_exists('images', $_FILES)) {
            if (count($_FILES['images']['name']) > $maxImages) {
                $errors['general'][] = sprintf(
                    $objModule->l('Please upload a maximum of %d images.', 'default'),
                    $maxImages
                );
            }
        }

        if (is_array($_FILES) && array_key_exists('images', $_FILES) ) {
            $allowedExtensions = array('jpg', 'png', 'jpeg',);
            foreach ($_FILES['images']['name'] as $key => $imageName) {
                $extension = Tools::strtolower(pathinfo($imageName, PATHINFO_EXTENSION));
                if (!in_array($extension, $allowedExtensions)) {
                    $errors['general'][] = $objModule->l('Only images with the following extensions are allowed: jpg, jpeg, png','default');
                }
            }
        }


        if (!count($errors['by_key']) && !count($errors['general'])) {
            $customerReview = QhrHotelReview::getByCustomer(
                $objOrder->id_customer,
                $idHotel,
                $idOrder
            );
            if (!$customerReview) {
                $objHotelReview = new QhrHotelReview();
                $objHotelReview->id_hotel = (int) $idHotel;
                $objHotelReview->id_order = (int) $idOrder;
                $objHotelReview->description = strip_tags($description);
                $objHotelReview->subject = $subject;
                $objHotelReview->rating = $ratingOverall;
                $objHotelReview->status_abusive = QhrHotelReview::QHR_STATUS_ABUSIVE_NOT_ABUSIVE;
                $objHotelReview->status = $approvalEnabled ? QhrHotelReview::QHR_STATUS_PENDING :
                QhrHotelReview::QHR_STATUS_APPROVED;
                if ($objHotelReview->save()) {
                    $objHotelReview->addCategoryRatings($ratingCategories);
                    if ($maxImages) {
                        $objHotelReview->saveReviewImages();
                    }
                    $status = true;
                }
            } else {
                $status = false;
                $errors['general'][] = $objModule->l('Something went wrong.', 'default');
            }
        } else {
            $status = false;
        }

        if (is_array($errors['general']) && count($errors['general'])) {
            $html = '<ol>';
            foreach ($errors['general'] as $error) {
                $html .= '<li>'.$error.'</li>';
            }
            $html .= '</ol>';
            $errors['general'] = $html;
        }

        $this->ajaxDie(json_encode(array('status' => $status, 'errors' => $errors)));
    }

    public function displayAjaxMarkReviewHelpful()
    {
        $response = array('status' => false);
        $idHotelReview = (int) Tools::getValue('id_hotel_review');
        if (!$idHotelReview) {
            $this->ajaxDie(json_encode($response));
        }

        if (QhrHotelReview::isAlreadyMarkedHelpful($idHotelReview, $this->context->cookie->id_customer)) {
            $this->ajaxDie(json_encode($response));
        }

        if (QhrHotelReview::markHelpful($idHotelReview, $this->context->cookie->id_customer)) {
            $response['status'] = true;
            $objHotelReview = new QhrHotelReview($idHotelReview);
            $response['count_useful'] = $objHotelReview->getTotalUseful();
            $this->ajaxDie(json_encode($response));
        }
    }

    public function displayAjaxReportAbuse()
    {
        $response = array('status' => false);
        $idHotelReview = (int) Tools::getValue('id_hotel_review');
        if (!$idHotelReview) {
            $this->ajaxDie(json_encode($response));
        }

        if (QhrHotelReview::isAlreadyReportedAbuse($idHotelReview, $this->context->cookie->id_customer)) {
            $this->ajaxDie(json_encode($response));
        }

        if (QhrHotelReview::reportAbuse($idHotelReview, $this->context->cookie->id_customer)) {
            $response['status'] = true;
            $this->ajaxDie(json_encode($response));
        }
    }

    public function displayAjaxGetReviews()
    {
        $response = array('status' => false);
        $idHotel = (int) Tools::getValue('id_hotel');
        $sortBy = (int) Tools::getValue('sort_by');
        $page = (int)Tools::getValue('page');
        $reviewsAtOnce = (int) Configuration::get('QHR_REVIEWS_AT_ONCE');

        $reviews = QhrHotelReview::getByHotel(
            $idHotel,
            $page,
            $reviewsAtOnce,
            $sortBy,
            $this->context->cookie->id_customer
        );

        $hasNextPage = QhrHotelReview::hasNextPage($idHotel, $page, $reviewsAtOnce);

        if (is_array($reviews) && count($reviews)) {
            $response['html'] = $this->renderReviews($reviews);
            $response['status'] = true;
            $response['message'] = 'HTML_OK';
            $response['has_next_page'] = (bool) $hasNextPage;
        }

        $this->ajaxDie(json_encode($response));
    }

    public function displayAjaxSortBy()
    {
        $response = array('status' => false);
        $idHotel = (int) Tools::getValue('id_hotel');
        $sortBy = (int) Tools::getValue('sort_by');
        $reviewsAtOnce = (int) Configuration::get('QHR_REVIEWS_AT_ONCE');

        $reviews = QhrHotelReview::getByHotel(
            $idHotel,
            1,
            $reviewsAtOnce,
            $sortBy,
            $this->context->cookie->id_customer
        );

        $hasNextPage = QhrHotelReview::hasNextPage($idHotel, 1, $reviewsAtOnce);

        if (is_array($reviews) && count($reviews)) {
            $response['html'] = $this->renderReviews($reviews);
            $response['status'] = true;
            $response['message'] = 'HTML_OK';
            $response['has_next_page'] = (bool) $hasNextPage;
        }

        $this->ajaxDie(json_encode($response));
    }

    public function renderReviews($reviews)
    {
        if (is_array($reviews) && count($reviews)) {
            foreach ($reviews as &$review) {
                $review['images'] = QhrHotelReview::getImagesById($review['id_hotel_review']);
            }

            $html = '';
            foreach ($reviews as &$review) {
                $this->context->smarty->assign(array('review' => $review));
                $html .= $this->context->smarty->fetch(
                    $this->module->getTemplatePath('_partials/review.tpl')
                );
            }

            return $html;
        }

        return false;
    }
}