<?
require_once ("../lib/setting.inc.php");
require_once ("../lib/user.inc.php");
require_once ("../lib/history.inc.php");
require_once ("../lib/i18n.inc.php");


class UserSettings
{
	private $status;
	private $active = 0;
	private $addnew = false;

	public function __construct ()
	{
		session_id () || session_start ();
		
		$this->active = User::get ("id");
		
		$this->status = $this->status ();
	}
	
	//***************************
	// GETTER / SETTER
	//***************************
	public function __get ($name)
	{
		switch ($name) {
			case "values":
				return $this->status['values'];
			case "languages":
				return I18n::getLanguages (User::get ("is_admin"));
			default:
				return $this->$name;
		}
	}
	
	public function __set ($name, $value)
	{
	}

	private function status ()
	{
		$status['values'] = User::get ();
		$status['values']['password'] = "";
		$status['values']['language'] = isset ($status['values']['language']) ? $status['values']['language'] : I18n::lc ();
		
		$status['messages'] = array ();
		
		$status['quickbar']['disabledButtons']['save'] = true;
		if (!($undo = History::getFirstUndo ($this->active, "user", false)) || $undo['user_id'] != $this->active) {
			$status['quickbar']['disabledButtons']['undo'] = true;
		}
		if (!($redo = History::getFirstRedo ($this->active, "user", false)) || $redo['user_id'] != $this->active) {
			$status['quickbar']['disabledButtons']['redo'] = true;
		}
		
		$status['statusbar']['value'] = "";	// Elementname, User, letzte Änderung,...
		if (User::get ("is_admin")) {
			$status['statusbar']['value'] .= " #{$this->active}";
		}
		
		return $status;
	}
	
	public function value ($name)
	{
		if (isset ($this->status['values'][$name])) {
			return $this->status['values'][$name];
		} else {
			return "";
		}
	}
	
	public function save ($values)
	{
		if (!$this->active) {
			return false;
		}
		if (isset ($values['password'])) {
			if (strlen ($values['password']) < 6) {
				unset ($values['password']);
				$this->status['messages'][] = array ('type' => "error", 'text' => $this->message ("password is to short"));
				return false;
			}
			if (!preg_match ("/[a-zA-Z](\W|\d)|(\W|\d)[a-zA-Z]/", $values['password'])) {
				unset ($values['password']);
				$this->status['messages'][] = array ('type' => "error", 'text' => $this->message ("password must contain a-Z and 0-9 or special characters"));
				return false;
			}
			if (!isset ($values['password2'])  ||  $values['password'] != $values['password2']) {
				unset ($values['password']);
				$this->status['messages'][] = array ('type' => "error", 'text' => $this->message ("passwords not equal"));
				return false;
			}
		}
		if (isset ($values['password2'])) {
			unset ($values['password2']);
		}
		if (User::set ($this->active, $values) == -1) {
			$this->status['messages'][] = array ('type' => "error", 'text' => $this->message ("username already exists"));
			return false;
		}
		return true;
	}

	public function undo ()
	{
		if ($undo = History::getFirstUndo ($this->active, "user", false)) {
			History::restore ($undo['id']);
			User::loadData ();
			$this->status = $this->status ();
		}
	}

	public function redo ()
	{
		if ($undo = History::getFirstRedo ($this->active, "user", false)) {
			History::restore ($undo['id']);
			User::loadData ();
			$this->status = $this->status ();
		}
	}

	public function message ($text)
	{
		return I18n::tr ("edit", "user_settings/$text", $text);
	}

	// Wandelt das gegebene Array/Text in eine Form um, die direkt einer JavaScript Variablen zugewiesen werden kann
	public function toJavaScript ($value)
	{
		if (is_array ($value)) {
			$values = array ();
			foreach ($value as $key => $val) {
				$values[] = "'$key':".$this->toJavaScript ($val);
			}
			return "{".implode (",", $values)."}";
		} else {
			$value = Database::escape ($value);
			return ($value===true) ? "true" : (($value===false) ? "false" : "'$value'");
		}
	}
}
?>