<?php
/**
 * @package     Plumrocket_ShippingTracking
 * @copyright   Copyright (c) 2018 Plumrocket Inc. (https://www.plumrocket.com)
 * @license     https://www.plumrocket.com/license/  End-user License Agreement
 */

namespace Plumrocket\ShippingTracking\Model\System\Config;

class Image extends \Magento\Config\Model\Config\Backend\Image
{
    /**
     * The tail part of directory path for uploading
     */
    const UPLOAD_DIR = 'prshippingtracking/icons';

    /**
     * Return path to directory for upload file
     *
     * @return string
     * @throw \Magento\Framework\Exception\LocalizedException
     */
    protected function _getUploadDir()
    {
        return $this->_mediaDirectory->getAbsolutePath($this->_appendScopeInfo(self::UPLOAD_DIR));
    }

    /**
     * Makes a decision about whether to add info about the scope.
     *
     * @return boolean
     */
    protected function _addWhetherScopeInfo()
    {
        return true;
    }

    /**
     * Getter for allowed extensions of uploaded files.
     *
     * @return string[]
     */
    protected function _getAllowedExtensions()
    {
        return ['jpg', 'gif', 'png', 'ico'];
    }

    /**
     * @return string
     */
    public function getServiceUploadDir()
    {
        return $this->_getUploadDir();
    }
}
