<?php

    class UserDetails {
        
        private $id;
        private $userid;
        private $username;
        private $firstname = "";
        private $lastname = "";
        private $email = "";
        private $organization = "";
        private $language = DEFAULT_LANGUAGE;
        
        function __construct($uid) {
            global $kdb;
            $q = "SELECT * FROM userinfo WHERE userid=".$uid;
            $ret = $kdb->query($q);
            $num = mysql_num_rows($ret);
            if ( $num == 1) { // OK
                $res = mysql_fetch_array($ret);
                $this->id = $res['id'];
                $this->userid = $res['userid'];
                $this->organization = $res['organization'];
                $this->firstname = $res['firstname'];
                $this->lastname = $res['lastname'];
                $this->language = $res['language'];
                $this->email = $res['email'];
            } else {
                if ( $uid != -1 ) {
                    $this->create($uid);
                }
            }
        }
        
        function getFullname() {
            return $this->firstname." ".$this->lastname;
        }

        function getFullnameDisplay() {
            $fn = $this->getFullname();
            if ($fn == "" || $fn == NULL || strlen(trim($fn)) == 0 ){
                return $this->username;
            }
            return $fn;
        }

        function setUsername($un) {
            $this->username = $un;
        }

        function getFirstname()  {
            return $this->firstname;
        }
        
        function setFirstname($val) {
            $this->firstname = $val;
        }
        
        function getLastname()  {
            return $this->lastname;
        }
        
        function setLastname($val)  {
            $this->lastname = $val;
        }
        
        function getEmail()  {
            return $this->email;
        }
        
        function setEmail($val)  {
            $this->email = $val;
        }
        
        function getOrganization() {
            return $this->organization;
        }
        
        function setOrganization($val) {
            $this->organization = $val;
        }
        
        function getLanguage() {
            return $this->language;
        }
        
        function setLanguage($val) {
            $this->language = $val;
        }
        
        function update() {
            global $kdb;
            $q = "UPDATE userinfo SET ";
            $q .= " firstname='".$this->firstname."'";
            $q .= ", lastname='".$this->lastname."'";
            $q .= ", organization='".$this->organization."'";
            $q .= ", language='".$this->language."'";
            $q .= " WHERE id=".$this->id." AND userid=".$this->userid;
            $kdb->query($q);
        }
        
        private function create($uid) {
            global $kdb;
            $q = "INSERT INTO userinfo (userid, language) values (".$uid.", '".$this->language."')";
            $kdb->query($q);
        }
    }
    
    class User {
        private $id = -1;
        private $username = "";
        private $org = 1;
        private $reg = 0;
        private $details = null;
        
        function __construct($uname) {
            if ( !is_int($uname)) {
                global $kdb;
                $q = "SELECT * FROM users WHERE uname='".$uname."'";
                $ret = $kdb->query($q);
                $num = mysql_num_rows($ret);
                if ( $num == 1) { // OK
                    $res = mysql_fetch_array($ret);
                    $this->id = $res['id'];
                    $this->username = $res['uname'];
                    $this->org = $res['org'];
                    $this->reg = $res['registred'];
                }
            } elseif ( $uname != -1 && is_int($uname) ) {
                global $kdb;
                $q = "SELECT * FROM users WHERE id=".$uname;
                $ret = $kdb->query($q);
                $num = mysql_num_rows($ret);
                if ( $num == 1) { // OK
                    $res = mysql_fetch_array($ret);
                    $this->id = $res['id'];
                    $this->username = $res['uname'];
                    $this->org = $res['org'];
                    $this->reg = $res['registred'];
                }
            }
        }
        
        function isRegUser() {
            if ($this->reg){
                return true;
            }
            return false;
        }
        
        function getUsername() {
            return $this->username;
        }
        
        function getDetails() {
            if ($this->details == null) {
                $ud = new UserDetails($this->id);
                $ud->setUsername($this->username);
                $this->details = $ud;
            }
            return $this->details;
        }
        
        function getId() {
            return $this->id;
        }
        
        function isOrg() {
            return $this->org;
        }

        function getUserIdByUname($uname) {
            global $kdb;
            $q = "SELECT id FROM users WHERE uname='".$uname."'";
            $ret = $kdb->query($q);
            $num = mysql_num_rows($ret);
            if ( $num == 1) { // OK
                $res = mysql_fetch_array($ret);
                return $res['id'];
            }
            return -1;
        }
        
        function getUserById($usid) {
            global $kdb;
            $q = "SELECT * FROM users LEFT JOIN userinfo ON users.id=userinfo.userid WHERE users.id=".$usid;
            $ret = $kdb->query($q);
            $res = mysql_fetch_array($ret);
            return $res;
        }

    }

    $user = new User(-1);
    if ( isset($_SESSION['userid'])) {
        $user = new User($_SESSION['userid']);
        if ( $user->getId() == -1) {
            session_destroy();
            header("Location:index.php");
        }
    }
?>