<?php
session_start();
require_once __DIR__ . '/config.php';
require_once DIR_UTIL . 'dbManager.php';
require_once DIR_UTIL . 'query.php';

require_once DIR_UTIL . "sessionUtil.php"; //includes session login
require_once DIR_UTIL . 'utility.php';

// Define $username and $password
$username = test_input($_POST["username"]);
$password = test_input($_POST["password"]);


$error = login($username, $password); // Variable To Store Error Message

if($error === null)
    header('location: ./profile.php');
else
    header('location: ./index.php?err=' . $error );


function login($username, $password){

    if ($username == null || $password == null) {
        return "Inserisci Username e Password.";
    } else {
        echo $password.$username;
        $userID = authenticate($username, $password);

        if($userID != -1) {
            setSession($username, $userID);
            return null;
        }

    }

    return "Username o Password invalidi.";

}

?>