<?php

class auth_model extends Model {

    public function register($data) {
        $data = $this->escapeArray($data);
        $token = hash('ripemd160',$data['email'].$data['pass']);

        $check = $this->query("SELECT * FROM users WHERE username='".$data['email']."' AND status='1';");
        
        if (sizeof($check)>0) {
            return 'error';
        }
        else {
            $this->execute("INSERT INTO users SET 
            username='".$data['email']."', 
            pass='".hash('ripemd160',$data['pass'])."', 
            firstname='".$data['fname']."', 
            lastname='".$data['lname']."', 
            email='".$data['email']."', 
            auto_login_token='".$token."', 
            newsletter='".$data['newsletter']."', 
            status='2';");

            return $token;
        }
    }


    public function validate($token) {
        $token = $this->escapeString($token);
        if ($token!=='') {
            $check = $this->query("SELECT * FROM users WHERE auto_login_token='".$token."' AND status='2';");
            if (sizeof($check)>0) {
                $perma_token = hash('ripemd160',$check[0]->id.'_'.time());
                $this->execute("UPDATE users SET status='1', permanent_token='".$perma_token."' WHERE id='".$check[0]->id."';");
                return $perma_token;
            }
            else {
                return false;
            }
        }
        else {
            return false;
        }
    }

    public function validateSoft($token) {
        $token = $this->escapeString($token);
        if ($token!=='') {
            $check = $this->query("SELECT * FROM users WHERE auto_login_token='".$token."';");
            if (sizeof($check)>0) {
                $perma_token = hash('ripemd160',$check[0]->id.'_'.time());
                $this->execute("UPDATE users SET status='1', permanent_token='".$perma_token."' WHERE id='".$check[0]->id."';");
                return $perma_token;
            }
            else {
                return false;
            }
        }
        else {
            return false;
        }
    }

    public function login($user,$pass) {
        $user = $this->escapeString($user);
        $pass = $this->escapeString($pass);
        if ($user!=='' && $pass!=='') {
            $check = $this->query("SELECT * FROM users WHERE username='".$user."' AND pass='".hash('ripemd160',$pass)."' AND status='1';");
            if (sizeof($check)>0) {
                $_SESSION['userid'] = $check[0]->id;
                $_SESSION['username'] = $check[0]->firstname.' '.$check[0]->lastname;
                return true;
            }
            else {
                return false;
            }
        }
        else {
            return false;
        }
    }


    public function checkUserEmail($email) {
        $email = $this->escapeString($email);
        if ($email!=='') {
            $check = $this->query("SELECT * FROM users WHERE username='".$email."' AND status='1';");
            if (sizeof($check)>0) {
                return true;
            }
            else {
                return false;
            }
        }
        else {
            return false;
        }
    }


    public function getUserDataByEmail($email) {
        $email = $this->escapeString($email);
        if ($email!=='') {
            $check = $this->query("SELECT * FROM users WHERE username='".$email."' AND status='1';");
            if (sizeof($check)>0) {
                return $check[0];
            }
            else {
                return false;
            }
        }
        else {
            return false;
        }
    }


    public function autoLogin($permaToken) {
        if ($permaToken!='') {
            $check = $this->query("SELECT * FROM users WHERE permanent_token='".$permaToken."' AND status='1';");
            if (sizeof($check)>0) {
                $_SESSION['userid'] = $check[0]->id;
                $_SESSION['username'] = $check[0]->fname.' '.$check[0]->lname;
                setcookie('FP_token',$permaToken,time()+3600*24*365,'/');
                return true;
            }
            else {
                return false;
            }
        }
        else {
            return false;
        }
    }


    public function checkEmail($email) {
        $check = $this->query("SELECT * FROM users WHERE username='".$email."' AND status='1';");
        if (sizeof($check)>0) {
            return false;
        }
        else {
            return true;
        }
    }


}