<?php
/**
 * Register form validation
 */
    require_once('lib/startup.php');

    $vals = array('subd' => Local::$subd);



if (filter_has_var(INPUT_POST, 'name'))
{
    $errors = array();

    $fname = trim($_POST['fname']);
    $surname = trim($_POST['surname']);
    $username = trim($_POST['username']);
    $email = trim($_POST['email']);
    $pass1 = trim(md5($_POST['pass1']));
    $pass2 = trim(md5($_POST['pass2']));

    //check if they're empty, if not, continue
    if($fname == ''  || $surname =='' || $email == '' || $pass1 == '' || $pass2 == '' || $username == '')
    {
        $errors[] = 'All fields are required';
    }
    else
    {
    //validating the data

    //check name length
    if (strlen($fname) > 20)
    {
        $errors[] = 'First Name is too long';
    }

    if (strlen($fname) <2)
    {
        $errors[] = 'First Name is too short';
    }

    if (strlen($surname) > 20)
    {
        $errors[] = 'Surname is too long';
    }

    if (strlen($surname) <2)
    {
        $errors[] = 'Surname is too short';
    }
    //validate email address
    if (filter_var($email, FILTER_VALIDATE_EMAIL) === FALSE)
    {
        $errors[] = 'Please enter a valid email address';
    }

    //validate password length
    if (strlen($pass1) < 6)
    {
        $errors[] = 'Passwords must be 6 or more characters';
    }

    //check if passwords match
    if ($pass1 !== $pass2)
    {
        $errors[] = 'Your passwords do not match';
    }

    //check if there's a user with this username already
    $checkformembers = R::findOne('users', 'username=?', array($username));

    if (isset($checkformembers))
    {
        $errors[] = 'Username is already in use. Please try again.';
    }

    }
    //if the errors array is not empty, display errors and return to register.twig
    if (!empty($errors))
    {
        $vals['errors'] = $errors;
        $tpl = 'register.twig';
    }
    else
    {
        //if it passes all the tests, dispense into the database
        $prs = R::dispense('users');
        $prs ->name = $_POST['fname'];
        $prs ->surname = $_POST['surname'];
        $prs ->username = $_POST['username'];
        $prs ->email = $_POST['email'];
        $prs ->password = md5($_POST['pass1']);

        $id = R::store($prs);
        //go to register success page once dispensed.
        $tpl = 'registersuccess.twig';
    }



}

$template = $twig->loadTemplate($tpl);

    echo $template->render($vals);





?>