<?php
/**
 * @package   Phoca Gallery
 * @author    Jan Pavelka - https://www.phoca.cz
 * @copyright Copyright (C) Jan Pavelka https://www.phoca.cz
 * @license   http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 and later
 * @cms       Joomla
 * @copyright Copyright (C) Open Source Matters. All rights reserved.
 * @license   http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
 */
defined( '_JEXEC' ) or die( 'Restricted access' );
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Filter\OutputFilter;
use Joomla\CMS\Factory;
use Joomla\String\StringHelper;

class PhocaGalleryText
{
	public static function wordDelete($string,$length,$end = '...') {
		if (StringHelper::strlen($string) < $length || StringHelper::strlen($string) == $length) {
			return $string;
		} else {
			return StringHelper::substr($string, 0, $length) . $end;
		}
	}

	public static function wordDeleteWhole($string,$length,$end = '...') {
		if (StringHelper::strlen($string) < $length || StringHelper::strlen($string) == $length) {
			return $string;
		} else {
			preg_match('/(.{' . $length . '}.*?)\b/', $string, $matches);
			return rtrim($matches[1]) . $end;
		}
	}


	public static function strTrimAll($input) {
		$output	= '';
	    $input	= trim((string)$input);
	    for($i=0;$i<strlen($input);$i++) {
	        if(substr($input, $i, 1) != " ") {
	            $output .= trim((string)substr($input, $i, 1));
	        } else {
	            $output .= " ";
	        }
	    }
	    return $output;
	}

	public static function getAliasName($name) {

		$paramsC		= ComponentHelper::getParams( 'com_phocagallery' );
		$alias_iconv	= $paramsC->get( 'alias_iconv', 0 );

		$iconv = 0;
		if ($alias_iconv == 1) {
			if (function_exists('iconv')) {
				$name = preg_replace('~[^\\pL0-9_.]+~u', '-', $name);
				$name = trim($name, "-");
				$name = iconv("utf-8", "us-ascii//TRANSLIT", $name);
				$name = strtolower($name);
				$name = preg_replace('~[^-a-z0-9_.]+~', '', $name);
				$iconv = 1;
			} else {
				$iconv = 0;
			}
		}

		if ($iconv == 0) {
			$name = OutputFilter::stringURLSafe($name);
		}

		if(trim(str_replace('-','',$name)) == '') {
			Factory::getDate()->format("Y-m-d-H-i-s");
		}
		return $name;
	}

	public static function filterValue($string, $type = 'html') {

		switch ($type) {

			case 'url':
				return rawurlencode($string);
			break;

			case 'number':
				return preg_replace( '/[^.0-9]/', '', $string );
			break;

			case 'number2':
				//return preg_replace( '/[^0-9\.,+-]/', '', $string );
				return preg_replace( '/[^0-9\.,-]/', '', $string );
			break;

			case 'alphanumeric':
				return preg_replace("/[^a-zA-Z0-9]+/", '', $string);
			break;

			case 'alphanumeric2':
				return preg_replace("/[^\\w-]/", '', $string);// Alphanumeric plus _  -
			break;

			case 'alphanumeric3':
				return preg_replace("/[^\\w.-]/", '', $string);// Alphanumeric plus _ . -
			break;

			case 'folder':
			case 'file':
				$string =  preg_replace('/[\"\*\/\\\:\<\>\?\'\|]+/', '', $string);
				return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
			break;

			case 'folderpath':
			case 'filepath':
				if (!isset($string)) {
					return '';
				}
				$string = preg_replace('/[\"\*\:\<\>\?\'\|]+/', '', $string);
				return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
			break;

			case 'text':
				return htmlspecialchars(strip_tags($string), ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
			break;

			case 'html':
			default:
				return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
			break;

		}

    }
}
?>