<?php /* -*- Mode: php; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

global $UTIL_DIR;

include_once($UTIL_DIR . "/user.php");

class UsersAdm {
	public $users;

  // Admin config
  public $admin_title = "Users";
  public $admin_submodules = array("Add user" => "add",
                                   "Edit user" => "edit",
                                   "Delete user" => "delete");

  public function admin_add($action, $vars)
  {
    global $UID, $GLOBALS;

    switch($action) {
		case "add":
      $modulesel = $GLOBALS["modulesel"];

      $modstr = "";
      foreach($modulesel as $m) {
        if($modstr != "") $modstr .= " ";
        $modstr .= $m;
      }

      $all = true;
      foreach(getModuleList() as $m) {
        if(in_array($m, $modulesel) == false) $all = false;
      }
      
      if($all == true) $modstr = "*";

      $pwd = sha1(md5($vars["password"]));
      $user = new User($vars["username"], $pwd, $modstr);
      $this->users->add($user);
      $this->users->write();
      break;

    default:
      $modules = array();
      foreach(getModuleList() as $m) {
        $modules[$m] = false;
      }
			$form = new Form("add");
			$form->addWidget(new LineEdit("Username:", "username", ""));
			$form->addWidget(new LineEditPwd("Password:", "password", ""));
      $form->addWidget(new MultiList("Modules:", "modulesel",
                                     $modules));
      $form->addWidget(new Button("Add"));
			$form->render();
      break;
    }
  }

  public function admin_edit($action, $vars)
  {
    global $UID, $GLOBALS;

    switch($action) {
		case "write":
      $modulesel = $GLOBALS["modulesel"];

      $modstr = "";
      foreach($modulesel as $m) {
        if($modstr != "") $modstr .= " ";
        $modstr .= $m;
      }

      $all = true;
      foreach(getModuleList() as $m) {
        if(in_array($m, $modulesel) == false) $all = false;
      }
      
      if($all == true) $modstr = "*";

      $user = $this->users->findUser($vars["edtuser"]);

      if($vars["password"] != "") {
        $pwd = sha1(md5($vars["password"]));
        $user->password = $pwd;
      }
      $user->modules = $modstr;
      $this->users->write();
      break;

    case "edit":

      $user = $this->users->findUser($vars["edtuser"]);

      $modules = array();
      foreach(getModuleList() as $m) {
        $modules[$m] = $user->checkModule($m);
      }
			$form = new Form("write");
			$form->addWidget(new Hidden(array("edtuser" => $user->userid)));
			$form->addWidget(new LineEditPwd("Password:", "password", ""));
      $form->addWidget(new MultiList("Modules:", "modulesel",
                                     $modules));
      $form->addWidget(new Button("Edit"));
			$form->render();
      break;

    default:
      $userlist = array();
      
      foreach($this->users->useridList() as $u) {
        $userlist[$u] = $u;
      }

			$form = new Form("edit");
      $form->addWidget(new ComboBox("Select user to edit:", "edtuser", "",
                                    $userlist));
      $form->addWidget(new Button("Edit..."));
			$form->render();
      break;
    }
  }

  public function admin_delete($action, $vars)
  {
    global $UID, $GLOBALS;

    switch($action) {
		case "delete":
      if($vars["deluser"] == "admin") {
        echo "<p>ERROR: You cannot delete the 'admin' user.</p>";
        return;
      } 
      $this->users->delete($vars["deluser"]);
      $this->users->write();
      break;

    default:
      $userlist = array();
      
      foreach($this->users->useridList() as $u) {
        $userlist[$u] = $u;
      }

			$form = new Form("delete");
      $form->addWidget(new ComboBox("Select user to delete:", "deluser", "",
                                    $userlist));
      $form->addWidget(new Button("Delete"));
			$form->render();
      break;
    }
  }

  public function admin($sub, $action, $vars)
  {
    switch($sub) {
    case "add":
      $this->admin_add($action, $vars);
      break;
    case "edit":
      $this->admin_edit($action, $vars);
      break;
    case "delete":
      $this->admin_delete($action, $vars);
      break;
    }
  }


	public function UsersAdm($file)
	{
    $this->users = new Users($file);
	}
}

function users_init()
{
  global $DATA_DIR;
  return new UserSAdm($DATA_DIR . "/users.xml");
}

?>