<?php
/* Copyright (c) 2002-2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (c) 2002-2003 Jean-Louis Bergamo   <jlb@j1b.org>
 * Copyright (c) 2004-2005 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2004      Sebastien Di Cintio  <sdicintio@ressource-toi.org>
 * Copyright (C) 2004      Benoit Mortier       <benoit.mortier@opensides.be>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * $Id$
 */

/**
	\file       htdocs/user/modules/login.anakin.class.php
	\brief      Fichier de la classe de generation de login anakin
	\author     Rodolphe Qiedeville
	\version    $Revision$
 */


/**
	\class      LoginAnakin
	\brief      Classe permettant la generation de login anakin
 */
class LoginAnakin
{
	var $error;
	var $db;
	var $user;

	var $login;

	
	/**
	 *    \brief      Constructeur de la classe
	 *    \param      $DB         Handler acces base de donnees
	 *    \param      $user       Objet de l'utilisateur
	 */
	function LoginAnakin($DB, $user)
	{
		$this->db = $DB;
		$this->user = $user;

		return 0;
	}


	/**
	 *    \brief      Verifie la disponibilite du login
	 *    \return     1 si le login n'existe pas dans la base, 1 sinon
	 */
	function dispo()
	{
		$sql = "SELECT login FROM ".MAIN_DB_PREFIX."user WHERE login ='".$this->login."';";

		$resql=$this->db->query($sql);

		if ($resql)
		{
			$num = $this->db->num_rows($resql);
		}

		if ($num == 0)
		{
			return 1;
		}
		else
		{
			return 0;
		}

	}

	/**
	 * \brief	Genere un login depuis nom
	 * 			Ce login est stocke dans ->login
	 */
	function generate_login()
	{
		$ok = 0;
		$step = 1;
		$this->else_step = 1;

		while ($ok == 0)
		{
			$func = 'generate_login_'.$step;

			if (method_exists($this, $func))
	  		{
	  			$this->$func();
	  		}
	  		else
	  		{
	  			$this->generate_login_else();
	  			$this->else_step++;
	  		}

	  		$ok = $this->dispo();
	  		$step++;
		}

		return 0;
	}

	
	// Regle primaire
	// 8 premieres lettre desaccentuees du nom en minuscule
	function generate_login_1()
	{
		$nom = strtolower(dol_string_unaccent(dol_string_nospecial($this->user->nom)));

		$this->login = substr($nom, 0, 8);
	}


	// Regle de defaut
	function generate_login_else()
	{
		$login = strtolower(dol_string_unaccent(dol_string_nospecial($this->user->nom)));

		$le = strlen($this->else_step);

		$this->login = substr($login, 0, (8-$le)) . $this->else_step;
	}


	// Regles annexes
	// premiere lettre du prenom + 7 premieres lettres du nom, desaccentuees en minuscule
	function generate_login_2()
	{
		$nom = strtolower(dol_string_unaccent(dol_string_nospecial($this->user->nom)));
		$prenom = strtolower(dol_string_unaccent(dol_string_nospecial($this->user->prenom)));

		$this->login = substr($prenom, 0, 1) . substr($nom, 0, 7);
	}


	// 2 premieres lettres du prenom + 6 premieres lettres du nom, desaccentuees en minuscule
	function generate_login_3()
	{
		$nom = strtolower(dol_string_unaccent(dol_string_nospecial($this->user->nom)));
		$prenom = strtolower(dol_string_unaccent(dol_string_nospecial($this->user->prenom)));

		$this->login = substr($prenom, 0, 2) . substr($nom, 0, 6);
	}

}
?>