<?php
/**
 * Magezon
 *
 * This source file is subject to the Magezon Software License, which is available at https://www.magezon.com/license
 * Do not edit or add to this file if you wish to upgrade the to newer versions in the future.
 * If you wish to customize this module for your needs.
 * Please refer to https://www.magezon.com for more information.
 *
 * @category  Magezon
 * @package   Magezon_Core
 * @copyright Copyright (C) 2019 Magezon (https://www.magezon.com)
 */

namespace Magezon\Core\Model;

use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\Framework\File\Mime;
use Magento\Framework\Filesystem;
use Magento\Framework\Filesystem\Directory\WriteInterface;

class FileInfo
{
    /**
     * Path in /pub/media directory
     */
    const ENTITY_MEDIA_PATH = '';

    /**
     * @var Filesystem
     */
    private $filesystem;

    /**
     * @var Mime
     */
    private $mime;

    /**
     * @var WriteInterface
     */
    private $mediaDirectory;

    /**
     * @var \Magento\Store\Model\StoreManagerInterface
     */
    protected $_storeManager;

    /**
     * @param Filesystem $filesystem
     * @param Mime $mime
     */
    public function __construct(
        \Magento\Store\Model\StoreManagerInterface $storeManager,
        Filesystem $filesystem,
        Mime $mime
    ) {
        $this->_storeManager = $storeManager;
        $this->filesystem    = $filesystem;
        $this->mime          = $mime;
    }

    /**
     * Get WriteInterface instance
     *
     * @return WriteInterface
     */
    private function getMediaDirectory()
    {
        if ($this->mediaDirectory === null) {
            $this->mediaDirectory = $this->filesystem->getDirectoryWrite(DirectoryList::MEDIA);
        }
        return $this->mediaDirectory;
    }

    /**
     * Retrieve MIME type of requested file
     *
     * @param string $fileName
     * @return string
     */
    public function getMimeType($fileName)
    {
        $filePath = self::ENTITY_MEDIA_PATH . '/' . ltrim($fileName, '/');
        $absoluteFilePath = $this->getMediaDirectory()->getAbsolutePath($filePath);

        $result = $this->mime->getMimeType($absoluteFilePath);
        return $result;
    }

    /**
     * Get file statistics data
     *
     * @param string $fileName
     * @return array
     */
    public function getStat($fileName)
    {
        $filePath = self::ENTITY_MEDIA_PATH . '/' . ltrim($fileName, '/');

        $result = $this->getMediaDirectory()->stat($filePath);
        return $result;
    }

    /**
     * Check if the file exists
     *
     * @param string $fileName
     * @return bool
     */
    public function isExist($fileName)
    {
        $filePath = self::ENTITY_MEDIA_PATH . '/' . ltrim($fileName, '/');

        $result = $this->getMediaDirectory()->isExist($filePath);
        return $result;
    }

    /**
     * Get file url
     * 
     * @param  string $fileName
     * @return string          
     */
    public function getFileUrl($fileName)
    {
        $url = $this->getMediaUrl() . $fileName;
        return $url;
    }

    public function getMediaUrl()
    {
        return $this->_storeManager->getStore()->getBaseUrl(
            \Magento\Framework\UrlInterface::URL_TYPE_MEDIA
        );
    }
}