# Copyright (c) 2006 bivio Software, Inc.  All Rights Reserved.
#
# Visit http://www.bivio.biz for more info.
# 
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
# 
# This library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library;  If not, you may get a copy from:
# http://www.opensource.org/licenses/lgpl-license.html
# 
# $Id: EmailVerifyKey.pm,v 2.1 2011/05/10 01:12:22 schellj Exp $
package Bivio::Type::EmailVerifyKey;
use strict;
use Bivio::Base 'Type.Line';

our($VERSION) = sprintf('%d.%02d', q$Revision: 2.1 $ =~ /\d+/g);
my($_R) = b_use('Biz.Random');
my($_TE) = b_use('Bivio.TypeError');

sub create {
    return lc($_R->hex_digits(shift->get_width));
}

sub from_literal {
    my($proto) = shift;
    my($res, $err) = $proto->SUPER::from_literal(@_);
    return $err
	? $err
	: $res
	? $res =~ /^[a-h0-9]{@{[$proto->get_width]}}$/
	? lc($res)
	: (undef, $_TE->EMAIL_VERIFY_KEY)
	: (undef, $_TE->NULL);
}

sub get_width {
    return 10;
}

1;