<?php
session_start();
$con = mysqli_connect("localhost", "root", "", "smartdev");

// Check connection
if (mysqli_connect_errno())
    {
    echo "Failed to connect to MySQL: " . mysqli_connect_error();
    }
    else
    {
    echo "Connected to database ";
    }

?>

<?php
    include("/web/scripts/mysqli_conf.php");
    $error="";
    if(isset($_POST['login'])){
        if(empty($_POST['username']) || empty($_POST['password'])){
            $error = "Username or password is not valid";
        }
        else
        {
            $user=$_POST['username'];
            $pass=$_POST['password'];
            $db = mysqli_select_db($conn, "smartdev");
            $query = mysqli_query($conn, "SELECT * FROM users WHERE pass='$pass' AND user=$user";

            $rows = mysqli_num_rows($query);
            if($rows == 1){
                header("Location: /web/index.html");
            }
            else
            {
                $error = "Username or password is invalid";
            }
            mysqli_close($conn);
        }
?>