<?php
declare(strict_types=1);

namespace Esun\Wiki\Model\Config\Backend;

use Magento\Config\Model\Config\Backend\Image;

class BannerImage extends Image
{
    /**
     * @return string[]
     */
    protected function _getAllowedExtensions()
    {
        return ['jpg', 'jpeg', 'gif', 'png', 'webp'];
    }

    public function afterSave()
    {
        $result = parent::afterSave();
        $this->cleanPageCaches();

        return $result;
    }

    public function afterDelete()
    {
        $result = parent::afterDelete();
        $this->cleanPageCaches();

        return $result;
    }

    private function cleanPageCaches(): void
    {
        $this->cacheTypeList->cleanType('block_html');
        $this->cacheTypeList->cleanType('full_page');
    }
}