<?php

/**
 * @copyright (C) 2013 iJoomla, Inc. - All rights reserved.
 * @license GNU General Public License, version 2 (http://www.gnu.org/licenses/gpl-2.0.html)
 * @author iJoomla.com <webmaster@ijoomla.com>
 * @url https://www.jomsocial.com/license-agreement
 * The PHP code portions are distributed under the GPL license. If not otherwise stated, all images, manuals, cascading style sheets, and included JavaScript *are NOT GPL, and are released under the IJOOMLA Proprietary Use License v1.0
 * More info at https://www.jomsocial.com/license-agreement
 */

use Joomla\CMS\Client\ClientHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\Filesystem\File;
use Joomla\Filesystem\Folder;
use Joomla\Filesystem\Path;

defined('_JEXEC') or die('Restricted access');

class CFileHelper
{
	/**
	 * Upload a file
	 * @param	string	$source			File to upload
	 * @param	string	$destination	Upload to here
	 * @return True on success
	 */
	static public function upload($source, $destination)
	{
		$err		= null;
		$ret		= false;

		// Set FTP credentials, if given
		jimport('joomla.client.helper');
		ClientHelper::setCredentialsFromRequest('ftp');

		// Load configurations.
		$config		= CFactory::getConfig();

		// Make the filename safe
		jimport('joomla.filesystem.file');

		if (!isset($source['name'])) {
			Factory::getApplication()->enqueueMessage(Text::_('COM_COMMUNITY_INVALID_FILE_REQUEST'), 'error');
			return $ret;
		}

		$source['name']	= File::makeSafe($source['name']);

		if (is_dir($destination)) {
			jimport('joomla.filesystem.folder');
			Folder::create($destination, (int) octdec($config->get('folderpermissionsvideo')));
			File::copy(JPATH_ROOT . '/components/com_community/index.html', $destination  . '/index.html');
			$destination = ($destination . '/' . strtolower($source['name']));
		}

		if (is_file($destination)) {
			Factory::getApplication()->enqueueMessage(Text::_('COM_COMMUNITY_FILE_EXISTS'), 'error');
			return $ret;
		}

		if (File::copy($source['tmp_name'], $destination) && Path::setPermissions($destination)) {
			$ret = true;
			return $ret;
		} else {
			Factory::getApplication()->enqueueMessage(Text::_('COM_COMMUNITY_UNABLE_TO_UPLOAD_FILE'), 'error');
			return $ret;
		}
	}

	static public function getRandomFilename($directory, $filename = '', $extension = '', $length = 11)
	{
		if (CStringHelper::strlen($directory) < 1)
			return false;

		$directory = Path::clean($directory);

		// Load configurations.
		$config		= CFactory::getConfig();
		jimport('joomla.filesystem.file');
		jimport('joomla.filesystem.folder');

		if (!is_file($directory)) {
			Folder::create($directory, (int) octdec($config->get('folderpermissionsvideo')));
			File::copy(JPATH_ROOT . '/components/com_community/index.html', $directory . '/index.html');
		}

		if (strlen($filename) > 0)
			$filename	= File::makeSafe($filename);

		if (!strlen($extension) > 0)
			$extension	= '';

		$dotExtension 	= $filename ? pathinfo($filename)['extension'] : $extension;
		$dotExtension 	= $dotExtension ? '.' . $dotExtension : '';

		$map			= 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
		$len 			= strlen($map);
		$stat			= stat(__FILE__);
		$randFilename	= '';

		if (empty($stat) || !is_array($stat))
			$stat = array(php_uname());

		mt_srand(crc32(microtime() . implode('|', $stat)));
		for ($i = 0; $i < $length; $i++) {
			$randFilename .= $map[mt_rand(0, $len - 1)];
		}

		$randFilename .= $dotExtension;

		if (is_file($directory . '/' . $randFilename)) {
			cGenRandomFilename($directory, $filename, $extension, $length);
		}

		return $randFilename;
	}

	static public function getFileExtension($fileName)
	{
		$file = pathinfo($fileName);

		return $file['extension'];
	}

	static public function getExtensionIcon($extension)
	{
		$type = array(
			'bmp' => 'images',
			'gif' => 'images',
			'jpg' => 'images',
			'jpeg' => 'images',
			'png' => 'images',
			'psd' => 'images',
			'pdf' => 'document',
			'doc' => 'document',
			'docx' => 'document',
			'log' => 'document',
			'txt' => 'document',
			'rtf' => 'document',
			'wpd' => 'document',
			'wps' => 'document',
			'csv' => 'document',
			'xls' => 'document',
			'xlr' => 'document',
			'xlsx' => 'document',
			'zip' => 'archive',
			'deb' => 'archive',
			'gz' => 'archive',
			'pkg' => 'archive',
			'rar' => 'archive',
			'rpm' => 'archive',
			'zip' => 'archive',
			'zipx' => 'archive',
			'mp3' => 'multimedia',
			'mp4' => 'multimedia',
			'wma' => 'multimedia',
			'midi' => 'multimedia',
			'wav' => 'multimedia',
			'avi' => 'multimedia',
			'flv' => 'multimedia',
			'mov' => 'multimedia',
			'mp4' => 'multimedia',
			'rm' => 'multimedia',
			'wmv' => 'multimedia',
		);

		if (empty($type[$extension])) {
			return 'miscellaneous';
		}

		return $type[$extension];
	}
}

/**
 * Deprecated since 1.8.x
 * Use CFileHelper::upload instead
 **/
function cUploadFile($source, $destination)
{
	return CFileHelper::upload($source, $destination);
}

/**
 * Deprecated since 1.8.x
 * Use CFileHelper::getRandomFilename instead
 **/
function cGenRandomFilename($directory, $filename = '', $extension = '', $length = 11)
{
	return CFileHelper::getRandomFilename($directory, $filename, $extension, $length);
}