<?php

//echo "Hola";

// session_start();
// $_SESSION['test' = "hola"];

// header('Location: ./index.php');

require_once './database.php';

function test_input($data)
{
    $data = trim($data);
    $data = stripslashes($data);
    $data = htmlspecialchars($data);
    return $data;
}

$usernameErr = '';
$username = '';
$email = '';
$emailErr = '';


if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $valid = true;
    if (empty($_POST ['username'])) {
        $usernameErr = 'Username must be filed.';
        $valid = false;
    } else {
        $username = test_input($_POST['username']);
    }

    if (empty($_POST['email'])) {
        $emailErr = 'Empty value';
    } else {
        if (!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
            $emailErr = 'Error en el tipo de email';
        } else {
            $email = $_POST['email'];
            $emailErr = false;
        }
    }

    if ($valid) {
        $db = Database::getInstance();

        $sql = "INSERT INTO users(username, email) VALUES ('$username', '$email')";
        var_dump($sql);
        $result = $db->getConnection()->query($sql);
        if ($result) {
            echo "User registred";
        } else {
            echo "Error: " . $db->getConnection()->error;
        }
    }
}