#!/usr/bin/perl -w
use 5.010;
use strict;
use warnings;
use autodie;

use IO::Socket::SSL qw(debug1);
use Socket qw( SO_KEEPALIVE );
use Net::IMAP::Client;
use Term::ReadKey;

use Exobrain;

# PODNAME: imap
# ABSTRACT: Report IMAP folder sizes to exobrain

my $exobrain = Exobrain->new;

my $user    = shift || die "Usage: $0 user server";
my $server  = shift || die "Usage: $0 user server";

say "Password?";

ReadMode('noecho');
my $password = ReadLine(0);
ReadMode(0); # Reset term
chomp($password);

# Horrible, horrible hack that allows us to avoid
# self-signed cert errors, at the expense of not
# checking certs at all.

my $socket = IO::Socket::SSL->new(
    PeerAddr => $server,
    PeerPort => 993,
    Timeout  => 90,
    Proto    => 'tcp',
    Blocking => 1,
    SSL_verify_mode => SSL_VERIFY_NONE,
);

$socket->sockopt(SO_KEEPALIVE, 1);

my $imap = Net::IMAP::Client->new(
    server => $server,
    user   => $user,
    pass   => $password,
    ssl    => 1,
    port   => 993,
    socket => $socket,
) or die "Could not connect to IMAP server";

$imap->login or die "Can't login " . $imap->last_error;

say "Connected...";

my $sent_box;

# These really should be configured or auto-sniffed on a per-server
# baiss.

if ($server =~ /gmail/) { $sent_box = '[Gmail]/Sent Mail'; }
else                    { $sent_box = 'Sent'; }

while (1) {

    measure($imap, 'INBOX');
    measure($imap, $sent_box);

    sleep(60);
}

sub measure {
    my ($imap, $mailbox) = @_;

    my $data = $imap->status($mailbox);

    my $count = $data->{MESSAGES};

    my $msg = $exobrain->measure('Mailbox',
        source    => 'IMAP',
        count     => $count,
        user      => $user,
        server    => $server,
        mailbox   => $mailbox,
        raw       => $data,
    );

    return;
}

__END__

=pod

=head1 NAME

imap - Report IMAP folder sizes to exobrain

=head1 VERSION

version 1.07

=head1 AUTHOR

Paul Fenwick <pjf@cpan.org>

=head1 COPYRIGHT AND LICENSE

This software is copyright (c) 2014 by Paul Fenwick.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut