<?
/// \file index.php
/// \author David Siroky
/// \brief entry point

chdir("_r");

require_once("smarty/Smarty.class.php");

require_once("common.php");
require_once("const.php");
require_once("aio.php");
require_once("map.php");
require_once("sect/menu_func.php");

///////////////////////////////////////////////////////////////////////////

// read parameters
$g_param_s = (int)getparam("s", 0);
$g_param_lang = strtolower(getparam("lang", DEFAULT_LANG));

///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////

function fill_urls(&$aio)
{
  $ug = new UrlGen(S_HOME);

  $aio->index_tpl->assign("url_home", $ug->gen());
} // fill_urls

///////////////////////////////////////////////////////////////////////////

function setup_lang(&$aio)
{
  global $g_param_s, $g_param_lang, $g_lang_avail;

  if (!in_array($g_param_lang, $g_lang_avail)) $g_param_lang = DEFAULT_LANG;

  $aio->index_tpl->assign("lang_sel", $g_param_lang);
    
  $ug = new UrlGen($g_param_s);
  for ($i = 0; $i < count($g_lang_avail); $i++)
  {
    $lng = $g_lang_avail[$i];
  
    $ug->set("lang", $lng); 
    $aio->index_tpl->assign("url_lang_".$lng, $ug->gen());

    if ($g_param_lang == $lng)
      $aio->index_tpl->assign("lang_sel_".$lng, "1");
    else
      $aio->index_tpl->assign("lang_sel_".$lng, "0");
  }
} // setup_lang

///////////////////////////////////////////////////////////////////////////

/// map section ID to m1 and m2
function map_menu_sels()
{
  global $g_param_s, $g_m1_sections, $g_m2_sections;

  $m1c = count($g_m1_sections);
  for ($i = 0; $i < $m1c; $i++)
  {
    $m1s = $g_m1_sections[$i];
    if ($g_param_s == constant($m1s))
    {
      $_GET["m1"] = "$i";
      return;
    }
    
    $m2_sects = $g_m2_sections[$m1s];
    $m2c = count($m2_sects);
    for ($j = 0; $j < $m2c; $j++)
    {
      $m2s = $m2_sects[$j];
      if ($g_param_s == constant($m2s))
      {
        $_GET["m1"] = "$i";
        $_GET["m2"] = "$j";
        return;
      }
    }
  }
} // map_menu_sels

///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////

$index_tpl = new Smarty();
$aio->index_tpl = &$index_tpl;

fill_urls($aio);
setup_lang($aio);

$index_tpl->assign("charset", $g_charset);
$index_tpl->assign("root", $g_root."_r/");

map_menu_sels();
$menu1sel = (int)getparam("m1", -1);
$menu2sel = (int)getparam("m2", -1);
render_menu1($aio, $menu1sel);
render_menu2($aio, $menu1sel, $menu2sel);

load_module($g_param_s);
module_body($aio);
  
$index_tpl->assign("index_lang", $index_tpl->fetch("$g_param_lang/index.tpl"));
$index_tpl->display("index.tpl");

?>