<?php
require_once("config.php");
if(isset($_POST['register'])) {
    $username      = htmlentities($_POST['username'], ENT_QUOTES);
    $usernamel = strtolower($username);
    $password      = htmlentities($_POST['password'], ENT_QUOTES);
    $password_hashed = password_hash($password, PASSWORD_BCRYPT);
    $email         = htmlentities($_POST['email'], ENT_QUOTES);
    $ip            = $_SERVER['REMOTE_ADDR'];
    $time            = date("Y-m-d");

    $stmt = $db->prepare("SELECT * FROM users WHERE username = :username");
    $stmt->execute(array(':username' => $username));
    $row = $stmt->fetch();

    if($row['username'] == $username){
        die(header("Location: error.php"));
        exit;
    }

    if($username == ""){
        die(header("Location: error.php"));
        exit;
    }

    if($password == ""){
        die(header("Location: error.php"));
        exit;
    }

    if($email == ""){
        die(header("Location: error.php"));
        exit;
    }

    if($email == ""){
        die(header("Location: error.php"));
        exit;
    }
    if (strlen($username) < 10 && preg_match('/[^a-z0-9]+/i', $username) < 1)  {
        if (strlen($password) > 8) {
            $stmt = $db->prepare("INSERT INTO users (username, usernamel, password, email, ip, date) VALUES (:username, :usernamel, :password, :email, :ip, :date)");
            $stmt->execute(array(':username' => $username, ':usernamel' => $usernamel, ':password' => $password_hashed, ':email' => $email, ':ip' => $ip, ':date' => $time));
            die(header("Location: index.php"));
            exit;
        } else {
            echo "Password needs to be higher than 8.";
            exit;
        }
    } else {
        echo "Username needs to be lower than 10 and cant contains specialchars (!@^*& etc)";
        exit;
    }
}
?>