#!/usr/bin/perl -w

#----------------------------------------------------------------------
# copyright (C) 1999-2005 Mitel Networks Corporation
#		
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#		
# This program 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 General Public License for more details.
#		
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
# 
#----------------------------------------------------------------------

package esmith;

use strict;
use Errno;

use esmith::AccountsDB;
my $adb = esmith::AccountsDB->open();

#------------------------------------------------------------
# This program should be called by the post-upgrade or post-restore
# events. It will add missing First.Last and First_Last pseudonyms
# for users that don't already have them. It should be called AFTER
# the update-uids action.
#------------------------------------------------------------

sub byUid
{
    $a->prop('Uid') <=> $b->prop('Uid');
}

sub makePseudonyms ($$)
{
    #------------------------------------------------------------
    # Generate First.Last and First_Last pseudonyms
    #------------------------------------------------------------

    my ($firstName, $lastName) = @_;

    my $dot_pseudonym = "$firstName $lastName";

    $dot_pseudonym =~ s/^\s+//;		# Strip leading whitespace
    $dot_pseudonym =~ s/\s+$//;		# Strip trailing whitespace
    $dot_pseudonym =~ s/\s+/ /g;	# Multiple spaces become single spaces
    $dot_pseudonym =~ s/\s/./g;		# Change all spaces to dots
    $dot_pseudonym = lc $dot_pseudonym;	# Change to lower case

    my $underbar_pseudonym = $dot_pseudonym;
    $underbar_pseudonym =~ s/\./_/g;	# Change dots to underbars

    return ($dot_pseudonym, $underbar_pseudonym);
}

###########################################################################

# Handle each of the users. Process each user account in order of
# increasing user id. This will hopefully preserve the order in which they
# were created thereby ensuring seniority in the creation of pseudonyms.

my %users;

foreach my $account ( sort byUid $adb->users )
{
    my $firstName = $account->prop('FirstName');
    my $lastName = $account->prop('LastName');

    my ($dot_pseudonym, $underbar_pseudonym)
	= makePseudonyms($firstName, $lastName);

    my $a = $adb->get($dot_pseudonym);
    if (defined $a)
    {
	my $user = $a->prop('Account');

	warn "$dot_pseudonym pseudonym is assigned to $user instead of " . 
	     $account->key . ".\n" if ($user ne $account->key)
    }
    else
    {
	$adb->new_record($dot_pseudonym, { type => 'pseudonym', Account => $account->key });
    }

    $a = $adb->get($underbar_pseudonym);
    if (defined $a)
    {
	my $user = $a->prop('Account');

	warn "$underbar_pseudonym pseudonym is assigned to $user instead of " . 
	     $account->key . ".\n" if ($user ne $account->key)
    }
    else
    {
	$adb->new_record($underbar_pseudonym, { type => 'pseudonym', Account => $account->key });
    }
}

exit (0);