#!/usr/bin/perl

use 5.028;
use strict;
use warnings;

use Text::Wrap;

our $away_log = "$ENV{HOME}/local/irclogs/away.log";
exit unless -r $away_log;

my $pos = 1;
if (-r "$away_log.pos") {
    open my $pos_fh, "<", "$away_log.pos";
    chomp($pos = <$pos_fh>);
}

my @lines;
open my $fh, "<", $away_log;
while (<$fh>) {
    $. > $pos or next;
    chomp;
    s{./?}{}g;
    /^[0-9]{2}:[0-9]{2}:[0-9]{2}\S+ \S+> /
      and push @lines, wrap $&, " " x length $&, $';
}

exit unless @lines;

open my $mail, "|-", "/usr/sbin/sendmail -t";
say $mail "To: spwhitton\@spwhitton.name";
say $mail "From: spwhitton\@spwhitton.name (Cron Daemon)";
say $mail "Subject: Irssi away.log new messages";
print $mail "\n";
print $mail "$_\n\n" for @lines;

open my $pos_fh, ">", "$away_log.pos";
say $pos_fh $fh->input_line_number;