<?php
/* ----------------------------------------------------------------------

   MyOOS [Shopsystem]
   https://www.oos-shop.de

   Copyright (c) 2003 - 2019 by the MyOOS Development Team.
   ----------------------------------------------------------------------
   Based on:

   osCommerce, Open Source E-Commerce Solutions
   http://www.oscommerce.com

   Copyright (c) 2003 osCommerce
   ----------------------------------------------------------------------
   Released under the GNU General Public License
   ---------------------------------------------------------------------- */

 /**
  * global
  *
  * @package global
  * @copyright (C) 2016 by the MyOOS Development Team.
  * @license GPL <http://www.gnu.org/licenses/gpl.html>
  * @link https://www.oos-shop.de
  */

  /** ensure this file is being included by a parent file */
  defined( 'OOS_VALID_MOD' ) OR die( 'Direct Access to this location is not allowed.' );


 /**
  * Output a raw date string in the selected locale date format
  * $raw_date needs to be in this format: YYYY-MM-DD HH:MM:SS
  *
  * @param $raw_date
  * @return string
  */
  function oos_date_long($raw_date) {
    if ( ($raw_date == '0000-00-00 00:00:00') || ($raw_date == '') ) return FALSE;

    $year = intval(substr($raw_date, 0, 4));
    $month = intval(substr($raw_date, 5, 2));
    $day = intval(substr($raw_date, 8, 2));
    $hour = intval(substr($raw_date, 11, 2));
    $minute = intval(substr($raw_date, 14, 2));
    $second = intval(substr($raw_date, 17, 2));

    return strftime(DATE_FORMAT_LONG, mktime($hour,$minute,$second,$month,$day,$year));
  }


 /**
  * Output a raw date string in the selected locale date format
  * $raw_date needs to be in this format: YYYY-MM-DD HH:MM:SS
  *
  * @param $raw_date
  * @return string
  */
  function oos_date_short($raw_date) {
    if ( ($raw_date == '0000-00-00 00:00:00') || ($raw_date == '') ) return FALSE;

    $year = substr($raw_date, 0, 4);
    $month = intval(substr($raw_date, 5, 2));
    $day = intval(substr($raw_date, 8, 2));
    $hour = intval(substr($raw_date, 11, 2));
    $minute = intval(substr($raw_date, 14, 2));
    $second = intval(substr($raw_date, 17, 2));

    if (@date('Y', mktime($hour, $minute, $second, $month, $day, $year)) == $year) {
      return date(DATE_FORMAT, mktime($hour, $minute, $second, $month, $day, $year));
    } else {
      return preg_match('/2037' . '$/', $year, date(DATE_FORMAT, mktime($hour, $minute, $second, $month, $day, 2037)));
    }
  }


 /**
  * Return a local directory path (without trailing slash)
  *
  * @param $sPath
  * @return string
  */
  function oos_get_local_path($sPath) {
    if (substr($sPath, -1) == '/') $sPath = substr($sPath, 0, -1);

    return $sPath;
  }


 /**
  * Return a product ID from a product ID with attributes
  *
  * @param $uprid
  * @return string
  */
  function oos_get_product_id($uprid) {
    $pieces = explode('{', $uprid);

    if (is_numeric($pieces[0])) {
      return $pieces[0];
    } else {
      return FALSE;
    }
  }


function oos_is_not_null($value) {
	if (is_array($value)) {
      if (!empty($value)) {		
			return TRUE;
		} else {
			return FALSE;
		}
	} else {
		if (($value != '') && (strtolower($value) != 'null') && (strlen(trim($value)) > 0)) {		
			return TRUE;
		} else {
			return FALSE;
		}
	}
}  
  
  
  function oos_empty($value) {
    if (is_array($value)) {
      if (sizeof($value) > 0) {
        return FALSE;
      } else {
        return TRUE;
      }
    } else {
      if ((strtolower($value) != 'null') && (strlen(trim($value)) > 0)) {
        return FALSE;
      } else {
        return TRUE;
      }
    }
  }


 /**
  * Return a random value
  *
  * @param $min
  * @param $max
  * @return string
  */
  function oos_rand($min = null, $max = null) {
    static $seeded;

    if (!isset($seeded)) {
      mt_srand((double)microtime()*1000000);
      $seeded = TRUE;
    }

    if (isset($min) && isset($max)) {
      if ($min >= $max) {
        return $min;
      } else {
        return mt_rand($min, $max);
      }
    } else {
      return mt_rand();
    }
  }

  function oos_create_random_value($length, $type = 'mixed') {
    if ( ($type != 'mixed') && ($type != 'chars') && ($type != 'digits')) return FALSE;

    $rand_value = '';
    while (strlen($rand_value) < $length) {
      if ($type == 'digits') {
        $char = oos_rand(0,9);
      } else {
        $char = chr(oos_rand(0,255));
      }
      if ($type == 'mixed') {
        if (preg_match('!^[a-z0-9]$!', $char)) $rand_value .= $char;
      } elseif ($type == 'chars') {
        if (preg_match('!^[a-z]$!', $char)) $rand_value .= $char;
      } elseif ($type == 'digits') {
        if (preg_match('!^[0-9]$!', $char)) $rand_value .= $char;
      }
    }

    return $rand_value;
  }