include 'config_file.php';
    $message = '';
    $connection = new mysqli($host_name, $host_user, $host_password, $database_name);	
    if ($connection->connect_error)
    {
        die("Connection failed: " . $connection->connect_error);
    }
    $json = json_decode(file_get_contents('php://input'), true);
	$email = $json[email]; //utf8_decode(rawurldecode($param[0]));
    $password = $json[password]; //utf8_decode(rawurldecode($param[1]));
    $check_query = "SELECT * FROM user WHERE email = '$json[email]'";
    $result = $connection->query($check_query);
    if ($result->num_rows > 0)
    {
		$check_query = "SELECT * FROM user WHERE email = '$json[email]' AND password = '$json[password]'";
		$result = $connection->query($check_query);
		if ($result->num_rows > 0)
		{
			$text = "Login successful!";
			echo json_encode($text);
			$connection->close();
		}
		else
		{
			$text = "Incorrect password!";
			echo json_encode($text);
			$connection->close();
		}
    }
    else{
        $query = "INSERT INTO user(email, password) values('$json[email]', '$json[password]')";
        $query_result = $connection->query($query);
        if ($query_result === true)
        {
            $message = 'Success!';
        }
        else
        {
            $message = 'Error! Try Again.' . $connection->error;
        }     
        echo json_encode($message);
        $connection->close();
    }