#!/usr/bin/perl -w


=head1 NAME

okbiff - check if you have mail on OkCupid.com


=head1 SYNOPSIS

  okbiff


=head1 DESCRIPTION

Logs into your OkCupid account and tells you how much new mail you
have waiting then logs out again.  So you can compulsively check for
messages without feeling like you're compulsively checking for
messages.  Ok?

    $ okbiff
    You've got 1 new message, ok?


=head1 FILES

F<~/.okbiff>  The okbiff configuration file.  It looks like this.

 User:          Your_Username
 Password:      Your_Password


=head1 AUTHOR

XWRN <schwern@pobox.com>


=head1 VERSION

20080909


=head1 SEE ALSO

biff(1)


=head1 OK?

Ok.

=cut

my $Have_Mail_Regex = qr/\bYou have (\d) new messages?\b/i;
my $No_Mail_Regex   = qr/\bYou have no new messages\b/i;

use strict;
use WWW::Mechanize;

our $VERSION = 20080909;

my $Conf_File = "$ENV{HOME}/.okbiff";
my %Conf = read_conf();


my $mech = WWW::Mechanize->new(cookie_jar => {},
                               agent => "okbiff/$VERSION"
                              );

$mech->get("http://www.okcupid.com/match");
$mech->submit_form(
        form_name => "loginf",
        fields    => { username => $Conf{user},
                       password => $Conf{password}
                     },
        button    => 'submit'
);

my $home = $mech->content;
my $num_mail;
if( my @mail_links = $mech->find_all_links(url => '/mailbox?folder=1') )
{
    my($mail_link) = grep {
        defined $_->attrs->{title} and
        $_->attrs->{title} =~ /read your mail/i;
    } @mail_links;
    $num_mail = $mail_link->text;
}
else {
    die "Couldn't find the mailbox text.  Maybe I couldn't log in.\n";
}

printf "You've got %d new message%s, ok?\n",
  $num_mail, $num_mail == 1 ? '' : 's';

$mech->follow_link( text_regex => qr/log\s*out/i );


sub read_conf {
    my %conf = ();

    open CONF, $Conf_File or 
      die "Can't open configuration file $Conf_File: $!";

    while(my $line = <CONF>) {
        chomp $line;
        my($key, $val) = split /:\s*/, $line, 2;
        $conf{lc $key} = $val;
    }

    close CONF;

    die "Missing username in config file.\n" unless $conf{user};
    die "Missing password in config file.\n" unless $conf{password};

    return %conf;
}