#!/usr/bin/perl
# ------------------------------------------------------------------------------
# (C) British Crown Copyright 2006-17 Met Office.
#
# This file is part of FCM, tools for managing and building source code.
#
# FCM 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 3 of the License, or
# (at your option) any later version.
#
# FCM 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 FCM. If not, see <http://www.gnu.org/licenses/>.
# ------------------------------------------------------------------------------

use strict;
use warnings;

use FindBin;
use lib "$FindBin::Bin/../lib";
use FCM::Admin::System qw{get_users};
use FCM::Util;

my $UTIL = FCM::Util->new();

if (!caller()) {
    main(@ARGV);
}

sub main {
    local(@ARGV) = @_;
    if (!@ARGV) {
        return;
    }
    my @names = @ARGV;
    local($FCM::Admin::System::UTIL) = $UTIL;
    my @emails
        = sort grep {$_} map {$_->get_email()} values(%{get_users(@names)});
    print(join(q{,}, @emails) . "\n");
}

1;
__END__

=head1 NAME

fcm-users-to-emails

=head1 SYNOPSIS

    fcm-user-to-email USER ...

=head1 DESCRIPTION

Print email addresses (comma separated) of users in argument list.

=head1 COPYRIGHT

E<169> Crown copyright Met Office. All rights reserved.

=cut
