<?php
	session_start();
	require 'functions.php';

	if(isset($_POST['sign-up'])){

		// Email address
		if (isset($_POST['email_address'])){
			$email_address = mysql_real_escape_string(trim($_POST['email_address']));
			$_SESSION['status']['register']['email_address'] = $email_address;
			if(strlen($email_address) > 10){ // email address less than 10
					if(strlen($email_address) < 161){ // if longer than 160

						if(email_valid($email_address) == false){ // email address invalid format
								$_SESSION['status']['register']['error'][] = "The email address has been put in wrong. Please check and try again.";
							}
							else{
								// passed min length, passed max length, passed validation
							}
					}
					else
					{
						$_SESSION['status']['register']['error'][] = 'The email address is too long.';
					}
				}
				else
				{
					$_SESSION['status']['register']['error'][] = "The email address is too short. It can't be shorter than 10 letters.";
				}
		}
		else
		{
			$_SESSION['status']['register']['error'][] = "You haven't put in an email address.";
		}

		// username
		if (isset($_POST['username'])){
			$username = mysql_real_escape_string(trim($_POST['username']));
			$_SESSION['status']['register']['username'] = $username;
			if(strlen($username) > 3){
					if(strlen($username) < 31){
						if(user_exists($username) === true){
							$_SESSION['status']['register']['error'][] = 'That username is already taken. Sorry, please try again with a different username.';
						} else{
							// passed
						}
					} else {
						$_SESSION['status']['register']['error'][] = 'The username is greater than 30 characters.';
					}
				} else {
					$_SESSION['status']['register']['error'][] = 'The username is less than 3 characters.';
				}
		} else {
			$_SESSION['status']['register']['error'][] = 'The username is not entered.';
		}

		if (isset($_POST['password'])){
			$password = mysql_real_escape_string(trim($_POST['password']));
			if(strlen($password) >= 8){
					$password = hash_function($password);
				} else {
					$_SESSION['status']['register']['error'][] = "Your secret password is too short. You should make a password with at least 8 letters.";
				}

		} else {
			$_SESSION['status']['register']['error'][] = "You haven't put in a password.";
		}

		if (isset($_POST['tos'])){
			$_SESSION['status']['register']['tos'] = $_POST['tos'];
			if(empty($_SESSION['status']['register']['error'])){
				if(register($email_address, $username, $password) === true){
					$_SESSION['status']['register']['success'] = true;
				} else {
					echo mysql_error();
					die();
					$_SESSION['status']['register']['error'][] = "Something went wrong. We're sorry. Please try again.";
				}
			} else {}
		} else {
			$_SESSION['status']['register']['error'][] = "You have to agree to the House Rules to be able to sign up.";
		}

		header('Location: index.php');
	} else {
		header('Location: index.php');
	}

	?>