<?php
require 'includes/functions.php';
include_once 'config.php';

//Pull username, generate new ID and hash password
$uniqueId = uniqid(rand(), false);
$username = @$_POST['inputUsername'];
$email = @$_POST['inputEmail'];
$password1 = @$_POST['inputPassword'];
$password2 = @$_POST['inputPassword2'];
$password = password_hash($password1, PASSWORD_DEFAULT);

//Validation rules
if ($password1 !== $password2) {
    echo '<div class="alert alert-danger alert-dismissable"><button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>Password fields must match</div><div id="returnVal" style="display:none;">false</div>';
} elseif (strlen($password1) < 4) {
    echo '<div class="alert alert-danger alert-dismissable"><button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>Password must be at least 4 characters</div><div id="returnVal" style="display:none;">false</div>';
} elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
    echo '<div class="alert alert-danger alert-dismissable"><button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>Must provide a valid email address</div><div id="returnVal" style="display:none;">false</div>';
} else {
    //Validation passed
    if (isset($_POST['inputUsername']) && !empty(str_replace(' ', '', $_POST['inputUsername'])) && isset($_POST['inputPassword']) && !empty(str_replace(' ', '', $_POST['inputPassword']))) {
        //Tries inserting into database and add response to variable
        $a = new NewUserForm;
        $response = $a->createUser($username, $uniqueId, $email, $password);

        //Success
        if ($response == 'true') {
            echo '<div class="alert alert-success"><button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>'. $signupthanks .'</div><div id="returnVal" style="display:none;">true</div>';

            //Send verification email
            $m = new MailSender;
            $m->sendMail($email, $username, $uniqueId, 'Verify');
        } else {
            //Failure
            mySqlErrors($response);
        }
    } else {
        //Validation error from empty form variables
        echo 'An error occurred on the form... try again';
    }
};