<?php

class Hallinta extends Singleton {
  protected static $instance = false;
    protected $db = null;
    protected $module = null;
    protected $page = null;
    protected $urlbase = null;
    protected $second = null;
    protected $title = null;

    protected function ___construct()
    {
	global $db;

	$this->db = $db;

	if (empty($_SESSION['sys']['baseurl']) && substr($_SERVER['SCRIPT_FILENAME'],-10) == '/index.php') {
	    $this->urlbase = substr(substr($_SERVER['SCRIPT_FILENAME'],0,-9), strlen($_SERVER['DOCUMENT_ROOT']));
	} else {
	    if (substr($_SESSION['sys']['baseurl'],0,1) != '/')
		$_SESSION['sys']['baseurl'] = '/' . $_SESSION['sys']['baseurl'];
	    if (substr($_SESSION['sys']['baseurl'],-1) != '/')
		$_SESSION['sys']['baseurl'] .= '/';
	    $this->urlbase = $_SESSION['sys']['baseurl'];
	}

	if (!empty($_REQUEST['table']) && empty($_REQUEST['source']) && substr($_REQUEST['table'],0,5) == 'grid_') {
	    $_REQUEST['source'] = substr($_POST['table'],5);
	}

	if (!empty($_REQUEST['source'])) {
	    $parts = explode('__', $_REQUEST['source']);
	    if (count($parts) > 1) {
		$this->module = $parts[0];
		$this->page = $parts[1];
		if (count($parts) == 4) {
		    $this->second = $parts[2];
		}
	    }
	} elseif (!empty($_GET['mask'])) {
	    list($this->module, $this->page) = explode('__', $_GET['mask']);
	} elseif (basename($_SERVER['SCRIPT_FILENAME']) == 'ricoXMLquery.php' && !empty($_GET['id'])) {
	    list($this->module, $this->page) = explode('__', substr($_GET['id'],5));
	} elseif (!empty($_SERVER['REQUEST_URI']) && isset($_SESSION['sys']['baseurl'])) {
	    $uri = rtrim(substr($_SERVER['REQUEST_URI'], strlen($_SESSION['sys']['baseurl'])), '/');
	    $parts = explode('/', $uri);
	    if (count($parts) == 2) {
		$this->module = $parts[0];
		$this->page = $parts[1];
	    }
	}
    }

    public function basedir()
    {
	if (isset($_SESSION['sys']['basedir']))
	    return $_SESSION['sys']['basedir'];

	return $_SERVER['DOCUMENT_ROOT'] . $this->urlbase();
    }

    public function urlbase()
    {
	return $this->urlbase;
    }

    public function module()
    {
	return $this->module;
    }

    public function page()
    {
	return $this->page;
    }

    public function second()
    {
	return $this->second;
    }

    public function isSecond()
    {
	return !is_null($this->second);
    }

    public function isMobile()
    {
	return strpos($_SERVER['HTTP_USER_AGENT'], 'Android') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'iPhone') !== false;
    }

    public function parentMenu()
    {
	$sql = sprintf("SELECT parent FROM sys_menuitem WHERE module = %s AND page = %s",
		       $this->db->quote($this->module),
		       $this->db->quote($this->page));
	$parent = $this->db->fetchValue($sql);

	if ($parent === 0) return '';

	return $parent;
    }

    public function setTitle($title)
    {
	$this->title = $title;
    }

    public function getTitle()
    {
	if (is_null($this->title) && isset($_GET['login']) && $_GET['login'] == 'true')
	    return '';

	return $this->title;
    }
}