<?php
defined('TYPO3_MODE') or die();

$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['TYPO3\CMS\Frontend\Page\PageGenerator']['generateMetaTags']['metatag'] =
    \TYPO3\CMS\Seo\MetaTag\MetaTagGenerator::class . '->generate';
$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['TYPO3\CMS\Frontend\Page\PageGenerator']['generateMetaTags']['hreflang'] =
    \TYPO3\CMS\Seo\HrefLang\HrefLangGenerator::class . '->generate';
$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['TYPO3\CMS\Frontend\Page\PageGenerator']['generateMetaTags']['canonical'] =
    \TYPO3\CMS\Seo\Canonical\CanonicalGenerator::class . '->generate';

$metaTagManagerRegistry = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Core\MetaTag\MetaTagManagerRegistry::class);
$metaTagManagerRegistry->registerManager(
    'opengraph',
    \TYPO3\CMS\Seo\MetaTag\OpenGraphMetaTagManager::class
);
$metaTagManagerRegistry->registerManager(
    'twitter',
    \TYPO3\CMS\Seo\MetaTag\TwitterCardMetaTagManager::class
);
unset($metaTagManagerRegistry);

// Add module configuration
\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addTypoScriptSetup(trim('
    config.pageTitleProviders {
        seo {
            provider = TYPO3\CMS\Seo\PageTitle\SeoTitlePageTitleProvider
            before = record
            after = altPageTitle
        }
    }
'));