<?php
/** DomFramework
    @package domframework
    @author Dominique Fournier <dominique@fournier38.fr> */

/** Module management */
class module
{
  /** The modules are not allowed if $toplevel=0
      The modules can be in a module directory if $toplevel=1
      The modules can be in the parent directory if $toplevel=2 
      The modules can be in the local directory if $toplevel=4 
      The values can be added to allow multiple possibilities */
  public $toplevel = 0;

  /** List all the available (enable or disable) modules
      @return array The list of the available modules names with the path */
  public function listAvailable ()
  {
    $list = array ();
    $tmp = array ();
    if ($this->toplevel%2 >= 1 )
      $tmp = array_merge ($tmp, glob ("modules/*"));
    if ($this->toplevel%4 >= 2 )
      $tmp = array_merge ($tmp, glob ("../*"));
    if ($this->toplevel%8 >= 4 )
      $tmp = array_merge ($tmp, glob ("*"));
    foreach ($tmp as $path)
    {
      $name = basename ($path);
      if (! is_dir ($path)) continue;
      if ($name === ".") continue;
      if ($name === "..") continue;
      if ($name === "cli") continue;
      if ($name === "controllers") continue;
      if ($name === "data") continue;
      if ($name === "datas") continue;
      if ($name === "locale") continue;
      if ($name === "models") continue;
      if ($name === "modules") continue;
      if ($name === "public") continue;
      if ($name === "views") continue;
      $list[$name] = $path;
    }
    ksort ($list);
    return $list;
  }

  /** List all the enable modules coming from the configuration and available
      in the system
      @param $confModules array the list of the available modules coming from
      the configuration. Can have some non available modules.
      @return array the list of the available modules names with the path */
  public function listEnable ($confModules)
  {
    $listAvailable = $this->listAvailable ();
    $list = array ();
    foreach ($confModules as $module)
    {
      if (array_key_exists ($module, $listAvailable))
        $list[$module] = $listAvailable[$module];
    }
    ksort ($list);
    return $list;
  }

  /** Return the name of the module translated in the provided language
      The module name must be defined in the translation under the "modulename"
      item
    */
  public function translateName ($modulepath, $lang)
  {
    // TODO : Do really the function ! With the language selection, and
    // searching in the directories
    return basename ($modulepath);
  }
}