<?php

// SQL injection hack protection
foreach($_POST as $Index => $Item) $_POST[$Index] = addslashes($Item);
foreach($_GET as $Index => $Item) $_GET[$Index] = addslashes($Item);

if(!isset($SessionDisable)) session_start();
include('config.php');
include('error.php');
include('database.php');
include('code.php');
$Database = new Database($Config['Database']['Host'], $Config['Database']['User'], $Config['Database']['Password'], $Config['Database']['Database']);
$Database->Prefix = $Config['Database']['Prefix'];
$Database->charset($Config['Database']['Charset']);
$Database->ShowError = TRUE;
include('module.php');
include('page.php');
include('forms.php');
include('types/include.php');
include('lists/include.php');
include('base.php');

class System extends Module
{
  var $Modules = array();

  function ModulePresent($Name)
  {
    return(array_key_exists($Name, $this->Modules));
  }

  function AddModule($Module)
  {
    global $Database;

    //echo('Přidávám modul '.get_class($Module).'<br>');
    $Module->System = &$this;
    $Module->Database = &$Database;
    $this->Modules[get_class($Module)] = $Module;
  }
}

$System = new System();
$System->Config = $Config;
include_once('database_list.php');
$System->AddModule(new DatabaseList());
include_once('log.php');
$System->AddModule(new Log());
include_once('user.php');
$System->AddModule(new User());
$System->Modules['User']->Check();

$MonthNames = array('', 'Leden', 'Únor', 'Březen', 'Duben', 'Květen', 'Červen', 'Červenec', 'Srpen', 'Září', 'Říjen', 'Listopad', 'Prosinec');

function GetMicrotime()
{
  list($Usec, $Sec) = explode(" ", microtime());
  return ((float)$Usec + (float)$Sec);
}

function ShowArray($Value)
{
  echo('<pre style="font-size: 8pt;">');
  print_r($Value);
  echo('</pre>');
}

function TimeToMysqlDateTime($Time)
{
  return(date('Y-m-d H:i:s', $Time));
}

function MysqlDateTimeToTime($Time)
{
  $Parts = explode(' ', $Time);
  $DateParts = explode('-', $Parts[0]);
  $TimeParts = explode(':', $Parts[1]);
  $Result = mktime($TimeParts[0], $TimeParts[1], $TimeParts[2], $DateParts[1], $DateParts[2], $DateParts[0]); 
  return($Result);
}

function MysqlDateToTime($Time)
{
  return(MysqlDateTimeToTime($Time.' 0:0:0'));
}

function HumanDate($Time)
{
  $Date = explode(' ', $Time);
  $Parts = explode('-', $Date[0]);
  if($Date != '0000-00-00') return(($Parts[2] * 1).'.'.($Parts[1] * 1).'.'.$Parts[0]);
  else return('&nbsp;');
}

function PagesList($Page, $TotalCount)
{
  global $Config;

  $URL = $_SERVER['QUERY_STRING'];
  $URLParts = explode('&', $URL);
  $URL = '';
  foreach($URLParts as $Index => $Item)
  {
    $ItemParts = explode('=', $Item);
    if($ItemParts[0] != 'Page') $URL .= $Item.'&amp;';
  }
  $URL = '?'.$URL.'Page=';
  $Count = ceil($TotalCount / $Config['Web']['ItemsPerPage']);

  $Around = 10;
  $Result = '';
  if($Count > 1)
  {
    if($Page > 0)
    {
      $Result .= '<a href="'.$URL.'0">&lt;&lt;</a> ';
      $Result .= '<a href="'.$URL.($Page - 1).'">&lt;</a> ';
    }
    $PagesMax = $Count - 1;
    $PagesMin = 0;
    if($PagesMax > ($Page + $Around)) $PagesMax = $Page + $Around;
    if($PagesMin < ($Page - $Around))
    {
      $Result .= ' .. ';
      $PagesMin = $Page - $Around;
    }
    for($i = $PagesMin; $i <= $PagesMax; $i++)
    {
      if($i == $Page) $Result .= '<strong>';
      $Result .= '<a href="'.$URL.$i.'">'.($i + 1).'</a> ';
      if($i == $Page) $Result .= '</strong>';
    }
    if($PagesMax < ($Count - 1)) $Result .= ' .. ';
    if($Page < ($Count - 1))
    {
      $Result .= '<a href="'.$URL.($Page + 1).'">&gt;</a> ';
      $Result .= '<a href="'.$URL.($Count - 1).'">&gt;&gt;</a>';
    }
  }
  return($Result);
}

function GetRemoteAddress()
{
  if(array_key_exists('HTTP_X_FORWARDED_FOR',$_SERVER)) $IP = $_SERVER['HTTP_X_FORWARDED_FOR'] ;
  else if(array_key_exists('REMOTE_ADDR', $_SERVER)) $IP = $_SERVER['REMOTE_ADDR'];
  else $IP = '0.0.0.0';
  return($IP);
}

function IsInternetAddr()
{
  $RemoteAddr = GetRemoteAddress();
  $RemoteAddr = explode('.', $RemoteAddr);
  return(!(($RemoteAddr[0] == 192) and ($RemoteAddr[1] == 168)));
}

$UnitNames = array('B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB');

function HumanSize($Value)
{
  global $UnitNames;

  $UnitIndex = 0;
  while($Value > 1024)
  {
    $Value = round($Value / 1024, 3);
    $UnitIndex++;
  }
  return($Value.' '.$UnitNames[$UnitIndex]);
}

function SystemMessage($Title, $Text)
{
  return('<table align="center"><tr><td><div class="SystemMessage"><h3>'.$Title.'</h3><div>'.$Text.'</div></div></td></tr></table>');
  //ShowFooter();
  //die();
}

?>