<?php

session_start();
require_once("requires.php");

class Tops {

    var $template;
    var $ident = "Tops!";
    var $plugins;
    var $currObj;
    var $translator;
    public $dataObj;
    protected $modeAnnotation;

    function __construct() {
        global $user;
        $tr = new PHPTAL_GetTextTranslator();
        $language = constant('LOCALE_'.$user->getDetails()->getLanguage());
        $tr->setLanguage($language.DEFAULT_ENCODING, $language.DEFAULT_ENCODING);
        $tr->addDomain('tops', 'i18n');
        $tr->useDomain('tops');
        $this->translator = $tr;
        $this->template = new PHPTAL();
        $this->template->setTemplateRepository('skins/'.SKIN.'/templates/');
        $this->skin_url = 'skins/'.SKIN.'/';
        $this->template->setTranslator($this->getTranslator());
    }

    function finalize() {    
        $this->template->tops = $this;
        //header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
        //header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
        //header("Content-Type: text/html; charset=UTF-8");
        print $this->template->execute();
    }

    function __destruct() {
        //$this->template->flush();
    }

    function isAnon() {
        if ( !isset($_SESSION['logged_in'])) {
            return True;
        }
        if ( $_SESSION['logged_in'] ) {
            return False;
        } else {
            return True;
        }
    }
    
    function getTranslator() {
        return $this->translator;
    }

    function getCurrPage() {
        return $this->currObj;
    }

    function setCurrPage($obj) {
        $this->currObj = $obj;
    }

    /*
     * 0 - access granted
     * 1 - no access
     * */
    function checkPermissions($refl, $obj, $mode) {
        if ( $refl->hasAnnotation('Mode') ) {
            $anns = $refl->getAllAnnotations('Mode');
            foreach($anns as $ann) {
                if ( $ann->mode == $mode ) {
                    global $user;
                    $this->setModeAnnotation($ann);
                    $hasRoles = $user->hasAnyRole($ann->roles);
                    if ( !$hasRoles ) {
                        // doesn't have valid roles. deny.
                        return 4;
                    }
                    if ( $ann->valid ) {
                        foreach ($ann->valid as $vmeth) {
                            if ( method_exists($obj, $vmeth)) {
                                $bol = call_user_method($vmeth, $obj);
                                if ( $bol ) {
                                    // validator must return True on success. deny
                                    return 3;
                                } 
                            } else {
                                // validator doesn't exist. deny.
                                return 2;
                            }
                        }
                    }
                }
            }
            return 0;
        } else {
           $par = $refl->getParentClass();
           if ( $par ) {
               return $this->checkPermissions($par, $obj, $mode);
           } else {
               return 0;
           }
        }
    }

    function showObject($rid, $mode) {
        global $tdb, $user;
        if ( is_numeric($rid) || $rid=="new" ) {
            if ( $rid == "new" ) {
                if ( !isset($_GET['type']) ) {
                    return 2;
                } 
                $type = $_GET['type'];
            } else {
                $type = $tdb->getResourceTypeByRID($rid);
            }
            $typeDesc = $tdb->getType($type);
            $ddname = dirname(dirname(__FILE__));
            require_once($ddname."/plugins/".$typeDesc['pluginID']."/".$typeDesc['typeID'].".php");
            $x = new $typeDesc['typeID']($rid);
            $this->setCurrentDataObject($x);
            $x->setMode($mode);
            $x->setTops($this);
            $x->setDB($tdb);
            $x->setUser($user);
            $refl = new ReflectionAnnotatedClass($x);
            $secCheck = $this->checkPermissions($refl, $x, $mode);
            if ( $secCheck ) {
                if ( method_exists($x, "validatorFailed") ) {
                    $postV = $x->validatorFailed();
                    if ( $postV != NULL ) {
                        return $postV;
                    }
                }
                return 1;
            }
            $this->template->setTemplateRepository('plugins/tops/templates/');
            $this->template->setTemplateRepository('plugins/'.$typeDesc['pluginID'].'/templates/');
            $kala = $x->getType()."_".$mode.'.html';
            if ( $this->getModeAnnotation() ) {
                if ( $this->getModeAnnotation()->template ) {
                    $kala = $this->getModeAnnotation()->template;
                }
            }
            $this->template->setTemplate($kala);
            $this->template->here = $x;     
            $this->template->user = $user;
            $this->finalize();
            /*try {
                $this->finalize();
            } catch (Exception $e) {
                print "malli jama!";
            } */          
            return 0;
        }
        return 1;
    }

    function showPage($id, $ovmode=null) {
        global $user, $tdb;
        $p = _get_page($id);
        if ( $p != null ) {
            _load_file($p['pluginID'], $p['pageID']);
            $o = new $p['pageID']();
            $umode = null;
            $origMode = null;
            if ( $ovmode == null) {
                if ( isset($_GET['mode']) ) {
                    $umode = $_GET['mode'].'Content';
                    $origMode = $_GET['mode'];
                }
            } else {
                $umode = $ovmode.'Content';
                $origMode = $ovmode;
            }

            if ( $umode == null) {
                $umode = 'viewContent';
                $origMode = "view";
            }

            $o->setMode($origMode);
            $o->setTops($this);
            $o->setDB($tdb);
            $o->setUser($user);

            $refl = new ReflectionAnnotatedClass($o);
            $secCheck = $this->checkPermissions($refl, $o, $origMode);
            if ( $secCheck ) {
                return 1;
            }
            $this->setCurrPage($o);
            $this->template->setTemplateRepository('plugins/tops/templates/');
            $this->template->setTemplateRepository('plugins/'.$p['pluginID'].'/templates/');
            $umodetempl = $id."_".$origMode.".html";
            $this->template->setTemplate($umodetempl);
            $this->template->user = $user;
            $this->template->pid = $id;
            $this->template->here = $o;
            $this->finalize();
            return 0;
        }
    }

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

    public function setCurrentDataObject($obj) {
        $this->dataObj = $obj;
    }

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

    public function setModeAnnotation($val) {
        $this->modeAnnotation = $val;
    }

}

$tops = new Tops();
if ( $tops->isAnon() ) {
    $tops->showPage("LoginPage", 'view');
}
?>