#!/usr/bin/env perl
# shows active taskwarrior task on polybar
#Copyright © 2019 yigit

#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 3 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, see <http://www.gnu.org/licenses/>.

use strict;
use warnings;
use Capture::Tiny ':all';

my ($stdout, $stderr, $exit_code) = capture {
    system("task custom_focus");
};

if ($stderr =~ /No matches\./) {
    system 'echo "${SEMESTER_THEME}"';
    exit;
}

if ($stderr =~ /database is locked/) {
    system 'echo "${SEMESTER_THEME}"';
    exit;
}

my $active_task_maybe = $stdout;

$active_task_maybe =~ s/^\s+|\s+$//g;

my @lines = split /\n/, $active_task_maybe;

my $task = $lines[2];
$task =~ s/^\s+|\s+$//g; # left and right trim
$task =~ s/\s+/ /g;      # reduce multiple whitespace into one
$task =~ s/&/&amp;/g;     # escape ampersands

my $context = `task context | grep yes | cut -d' ' -f1`;

if ($task =~ m/^(.*)?\s(\d+\w+)$/g) {
    if ($context) {
        print "$1 | $2 @ $context";
    } else {
        print "$1 | $2";
    }
}