<?php
session_start();
require_once('class.user.php');
$user = new USER();

if($user->is_loggedin()!="")
{
	$user->redirect('home.php');
}

if(isset($_POST['btn-signup']))
{
	$uname = strip_tags($_POST['txt_uname']);
	$umail = strip_tags($_POST['txt_umail']);
	$upass = strip_tags($_POST['txt_upass']);

	if($uname=="")	{
		$error[] = "provide username !";
	}
	else if($umail=="")	{
		$error[] = "provide email id !";
	}
	else if(!filter_var($umail, FILTER_VALIDATE_EMAIL))	{
	    $error[] = 'Please enter a valid email address !';
	}
	else if($upass=="")	{
		$error[] = "provide password !";
	}
	else if(strlen($upass) < 6){
		$error[] = "Password must be atleast 6 characters";
	}
	else
	{
		try
		{
			$stmt = $user->runQuery("SELECT user_name, user_email FROM users WHERE user_name=:uname OR user_email=:umail");
			$stmt->execute(array(':uname'=>$uname, ':umail'=>$umail));
			$row=$stmt->fetch(PDO::FETCH_ASSOC);

			if($row['user_name']==$uname) {
				$error[] = "sorry username already taken !";
			}
			else if($row['user_email']==$umail) {
				$error[] = "sorry email id already taken !";
			}
			else
			{
				if($user->register($uname,$umail,$upass)){
					$user->redirect('sign-up.php?joined');
				}
			}
		}
		catch(PDOException $e)
		{
			echo $e->getMessage();
		}
	}
}

?>