<?php
/**
 * ����� "��������� ����������� D7" ��� �������
 * �������� ���� �����: www.realcommenter.com
 * �������� ���� �����������: burlaka.studio
 * ����� � ����������: ������� ������� (AlexeyGfi) -> alexeygfi@gmail.com
 */

namespace Burlakastudio\Realcommenter;

use Bitrix\Main\Context;
use Bitrix\Main\Event;
use Bitrix\Main\EventResult;
use Bitrix\Main\Web\Json;

class MicrodataReview
{

    public static function publish(&$content)
    {
        if (
            !mb_strpos($content, '<!--##REALCOMMENTER_MICRODATA_REVIEW##-->', 0, LANG_CHARSET)
            || !$nodes = Comments::nodesCollector()
        ) {
            return;
        }

        /**
         * {
         * "@context": "https://schema.org/",
         * "@type": "Review",
         * "itemReviewed": {
         * "@type": "SomeProducts",
         * "name": "Brother HL-2230 Compact Laser Printer",
         * "url" : "https://microsoft.com/"
         * },
         * "name": "A good seafood place.",
         * "author": {
         * "@type": "Person",
         * "name": "Bob Smith"
         * },
         * "reviewBody": "The seafood is great."
         * }
         */

        global $APPLICATION;
        $productName = $APPLICATION->GetTitle();
        $productUrl = (self::arParams())['URL'] ?? null;

        $server = Context::getCurrent()->getServer();
        $request = Context::getCurrent()->getRequest();

        $protocol = $request->isHttps() ? 'https' : 'http';
        $host = $server->getHttpHost();

        $microdatas = [];

        // �������� ���������, ���������
        foreach ($nodes as $node) {
            $reviewNode = [
                '@context' => 'https://schema.org/',
                '@type' => 'Review',
                'itemReviewed' => [
                    '@type' => 'SomeProducts'
                ],
                'author' => [
                    '@type' => 'Person',
                    'name' => $node['UF_SIGNATURE']
                ],
                'reviewBody' => str_replace("\r\n", ' ', HTMLToTxt($node['REVIEW_TEXT']))
            ];

            if ($productName) {
                $reviewNode['itemReviewed']['name'] = $productName;
            }

            if ($productUrl) {
                $reviewNode['itemReviewed']['url'] = $protocol . '://' . $host . $productUrl;
            }

            $microdatas[] = $reviewNode;
        }

        $event = new Event(
            TOOLS::getModuleName(),
            'onBeforeMicrodataReviewPublish', [
            'microdatas' => $microdatas,
        ]);

        $event->send();

        foreach ($event->getResults() as $eventResult) {
            if ($eventResult->getType() !== EventResult::SUCCESS) {
                $microdatas = false;
                break;
            }

            $params = $eventResult->getParameters();

            $microdatas = $params['microdatas'] ?? $microdatas;
            if ($microdatas && !is_array($microdatas)) {
                $microdatas = [$microdatas];
            }
        }

        if ($microdatas) {
            $preparedToPublish = array_reduce(
                $microdatas,
                static function ($carry, $data) {
                    $carry .= '<script type="application/ld+json">'
                        . Json::encode($data, JSON_UNESCAPED_UNICODE)
                        . '</script>';
                    return $carry;
                }, ''
            );

            if(strtolower(LANG_CHARSET) !== 'utf-8') {
                $preparedToPublish = \iconv('utf-8', LANG_CHARSET, $preparedToPublish);
            }

            $content = str_replace(
                '<!--##REALCOMMENTER_MICRODATA_REVIEW##-->',
                $preparedToPublish,
                $content
            );
        }
    }

    public static function arParams($newData = null)
    {
        static $arParams = [];
        if ($newData) {
            $arParams = $newData;
        }

        return $arParams;
    }

    public static function inUse($arParams = []): bool
    {
        return !(empty($arParams) || !$arParams['useReviewMicrodata']);
    }
}