use strict;

use vars qw($VERSION %IRSSI);

$VERSION = '20170403';

%IRSSI = (

authors => 'Stefan \'tommie\' Tomanek',

contact => '[email protected]',

name => 'quizmaster',

description => 'a trivia script for Irssi',

license => 'GPLv2',

url => 'http://irssi.org/scripts/',

changed => $VERSION,

modules => 'Data::Dumper',

commands => "quizmaster"

);

use Irssi;

use Data::Dumper;

use vars qw(%sessions %questions);

sub show_help() {

my $help = "quizmaster $VERSION

";

my $text='';

foreach (split(/\n/, $help)) {

$_ =~ s/^\/(.*)$/%9\/$1%9/;

$text .= $_."\n";

}

print CLIENTCRAP &draw_box("Quizmaster", $text, "quizmaster help", 1);

}

sub draw_box ($$$$) {

my ($title, $text, $footer, $colour) = @_;

my $box = '';

$box .= '%R,--[%n%9%U'.$title.'%U%9%R]%n'."\n";

foreach (split(/\n/, $text)) {

$box .= '%R|%n '.$_."\n";

}

$box .= '%R`--<%n'.$footer.'%R>->%n';

$box =~ s/%.//g unless $colour;

return $box;

}

sub save_quizfile {

local *F;

my $filename = Irssi::settings_get_str("quizmaster_questions_file");

open(F, ">",$filename);

my $dumper = Data::Dumper->new([\%questions], ['quest']);

$dumper->Purity(1)->Deepcopy(1);

my $data = $dumper->Dump;

print (F $data);

close(F);

print CLIENTCRAP '%R>>%n Quizmaster questions saved to '.$filename;

}

sub load_quizfile ($) {

my ($file) = @_;

no strict 'vars';

return unless -e $file;

my $text;

local *F;

open F,'<', $file;

$text .= $_ foreach (<F>);

close F;

return unless "$text";

%questions = %{ eval "$text" };

}

sub import_quizfile ($$) {

my ($name, $file) = @_;

local *F;

open(F,'<', $file);

my @data = <F>;

my @questions;

my $quest = {};

foreach (@data) {

if (/^(.*?): (.*?)$/) {

my $item = $1;

my $desc = $2;

if ($item eq 'Question') {

$quest->{question} = $desc;

} elsif ($item eq 'Category') {

$quest->{category} = $desc;

} elsif ($item eq 'Answer') {

my $answer = $desc;

if ($answer =~ /(.*?)#(.*?)#(.*?)$/) {

$answer = '';

$answer .= '('.$1.')?' if ($1);

$answer .= $2;

$answer .= '('.$3.')?' if ($3);

}

push @{$quest->{answers}}, $answer;

} elsif ($item eq 'Regexp') {

push @{$quest->{answers}}, $desc;

}

} elsif (/^$/) {

if (defined $quest->{question} && defined $quest->{answers}) {

push @questions, $quest;

$quest = {};

}

}

}

$questions{$name} = \@questions;

print CLIENTCRAP "%R>>>%n ".scalar(@questions)." questions have been imported from ".$file;

}

sub add_questions ($$) {

my ($target, $name) = @_;

push @{$sessions{$target}{questions}}, $name;

}

sub ask_question ($) {

my ($target) = @_;

my ($database, $current) = @{$sessions{$target}{current}};

my $question = $questions{$database}->[$current]{question};

my $category = '';

$category = '['.$questions{$database}->[$current]{category}.']' if defined $questions{$database}->[$current]{category};

line2target($target, '>>> '.$category.' '.$question);

}

sub start_quiz ($) {

my ($channel) = @_;

line2target($channel, '>>>> A new Quiz has been started <<<<');

new_question($channel);

}

sub stop_quiz ($) {

my ($target) = @_;

show_scores($target);

line2target($target, '>>>> The Quiz has been stopped <<<<');

delete $sessions{$target};

}

sub event_public_message ($$$$) {

my ($server, $text, $nick, $address, $target) = @_;

check_answer($nick, $text, $target) if defined $sessions{$target} and $sessions{$target}{asking};

}

sub event_message_own_public ($$$) {

my ($server, $msg, $target, $otarget) = @_;

check_answer($server->{nick}, $msg, $target) if defined $sessions{$target} and $sessions{$target}{asking};

}

sub check_answer ($$$) {

my ($nick, $text, $target) = @_;

my ($database, $answer) = @{$sessions{$target}{current}};

my @answers = @{$questions{$database}->[$answer]{answers}};

foreach (@answers) {

my $regexp = $_;

if ($text =~ /$regexp/i) {

$sessions{$target}{asking} = 0;

solved_question($nick, $target);

last;

}

}

}

sub solved_question ($$) {

my ($nick, $target) = @_;

line2target($target, '<<< '.$nick.' solved this question');

my $witem = Irssi::window_item_find($target);

$sessions{$target}{score}{$nick}++;

my $max_points = Irssi::settings_get_int('quizmaster_points_to_win');

if ($sessions{$target}{score}{$nick} >= $max_points) {

line2target($target, '>>> '.$nick.' has '.$sessions{$target}{score}{$nick}.' points and is the winner.');

stop_quiz($target);

} else {

$sessions{$target}{solved} = 1;

$sessions{$target}{next} = time();

}

}

sub new_question ($) {

my ($target) = @_;

$sessions{$target}{solved} = 0;

my $d_num = int( (scalar(@{$sessions{$target}{questions}})-1)*rand() );

my $database = $sessions{$target}{questions}->[$d_num];

my $new_question = int(scalar(@{$questions{$database}})*rand());

$sessions{$target}{current} = [$database, $new_question];

$sessions{$target}{timestamp} = time();

ask_question($target);

$sessions{$target}{asking} = 1;

}

sub expire_questions {

foreach my $target (keys %sessions) {

my $expire = Irssi::settings_get_int('quizmaster_timeout');

my $pause = Irssi::settings_get_int('quizmaster_pause');

if ($sessions{$target}{timestamp}+$expire <= time()) {

line2target($target, '>>> No correct answer within '.$expire.' seconds.');

new_question($target);

} else {

my $left = ($sessions{$target}{timestamp}+$expire)-time();

#line2target($target, ' >>>> '.$left.' seconds left');

}

if ($sessions{$target}{solved} && $sessions{$target}{next}+$pause <= time()) {

new_question($target);

}

}

}

sub give_hint ($$) {

my ($target, $level) = @_;

my $database = $sessions{$target}{current}->[0];

my $current = $sessions{$target}{current}->[1];

my $answer = $questions{$database}->[$current]{answers}->[0];

my $tip;

# remove RegExp stuff

$answer =~ s/\(//g;

$answer =~ s/\)//g;

$answer =~ s/\?//g;

foreach (0..length($answer)-1) {

if (substr($answer, $_, 1) eq ' ') {

$tip .= ' ';

} else {

$tip .= '_';

}

}

foreach (0..$level) {

my $pos = int( rand()*(length($answer)-1) );

my $char = substr($answer, $pos, 1);

my $pre = substr($tip, 0, $pos);

my $post = substr($tip, $pos+1);

$tip = $pre.$char.$post;

}

return $tip;

}

sub line2target ($$) {

my ($target, $line) = @_;

my $witem = Irssi::window_item_find($target);

$witem->{server}->command('MSG '.$target.' '.$line);

#$witem->print('MSG '.$target.' '.$line);

}

sub show_scores ($) {

my ($target) = @_;

my $table;

foreach (sort {$sessions{$target}{score}{$b} <=> $sessions{$target}{score}{$a}} keys(%{$sessions{$target}{score}})) {

$table .= "$_ now has ".$sessions{$target}{score}{$_}." points.\n";

}

my $box = draw_box('Quizmaster for Irssi', $table, 'score', 0);

line2target($target, $_) foreach (split(/\n/, $box));

}

sub list_databases {

my $msg;

my $sum = 0;

foreach (sort keys %questions) {

$msg .= '%U'.$_.'%U '."\n";

$msg .= ' '.scalar(@{$questions{$_}}).' questions available'."\n";

$sum += scalar(@{$questions{$_}});

}

$msg .= '|'."\n";

$msg .= '`===> '.$sum.' questions total'."\n";

print CLIENTCRAP &draw_box("Quizmaster", $msg, "databases", 1);

}

sub list_sessions {

my $msg;

foreach (sort keys %sessions) {

$msg .= '`->%U'.$_.'%U '."\n";

$msg .= ' '.scalar(keys %{$sessions{$_}{score}}).' users scored.'."\n";

}

print CLIENTCRAP &draw_box("Quizmaster", $msg, "sessions", 1);

}

sub event_nicklist_changed ($$$) {

my ($channel, $nick, $oldnick) = @_;

my $target = $channel->{name};

return unless (defined $sessions{$target} && $sessions{$target}{score}{$oldnick});

my $points = $sessions{$target}{score}{$oldnick};

$sessions{$target}{score}{$nick->{nick}} = $points;

delete $sessions{$target}{score}{$oldnick};

}

sub init {

my $filename = Irssi::settings_get_str('quizmaster_questions_file');

load_quizfile($filename);

}

sub cmd_quizmaster ($$$) {

my ($args, $server, $witem) = @_;

my @arg = split(/ /, $args);

if (scalar(@arg) == 0) {

list_sessions();

} elsif ($arg[0] eq 'import') {

import_quizfile($arg[1], $arg[2]);

} elsif ($arg[0] eq 'save') {

save_quizfile();

} elsif ($arg[0] eq 'load') {

init();

} elsif ($arg[0] eq 'start') {

shift(@arg);

if (scalar @arg == 0) {

add_questions($witem->{name}, $_) foreach (keys %questions);

} else {

foreach (@arg) {

add_questions($witem->{name}, $_) if defined $questions{$_};

}

}

start_quiz($witem->{name});

} elsif ($arg[0] eq 'stop') {

stop_quiz($witem->{name});

} elsif ($arg[0] eq 'score') {

show_scores($witem->{name}) if defined $sessions{$witem->{name}};

} elsif ($arg[0] eq 'next') {

new_question($witem->{name}) if defined $sessions{$witem->{name}};

} elsif ($arg[0] eq 'hint') {

line2target($witem->{name}, give_hint($witem->{name}, $arg[1]));

} elsif ($arg[0] eq 'list') {

list_databases;

} elsif ($arg[0] eq 'help') {

show_help();

}

}

Irssi::command_bind($IRSSI{'name'}, \&cmd_quizmaster);

foreach my $cmd ('import', 'load', 'save', 'list', 'help', 'next', 'hint', 'score', 'stop', 'start') {

Irssi::command_bind('quizmaster '.$cmd => sub {

cmd_quizmaster("$cmd ".$_[0], $_[1], $_[2]); });

}

Irssi::settings_add_int($IRSSI{'name'}, 'quizmaster_points_to_win', 20);

Irssi::settings_add_int($IRSSI{'name'}, 'quizmaster_timeout', 60);

Irssi::settings_add_int($IRSSI{'name'}, 'quizmaster_pause', 10);

Irssi::settings_add_str($IRSSI{'name'}, 'quizmaster_questions_file', "$ENV{HOME}/.irssi/quizmaster_questions");

Irssi::signal_add('message public', 'event_public_message');

Irssi::signal_add('message own_public', 'event_message_own_public');

Irssi::signal_add('nicklist changed', 'event_nicklist_changed');

Irssi::timeout_add(5000, 'expire_questions', undef);

print CLIENTCRAP '%B>>%n '.$IRSSI{name}.' '.$VERSION.' loaded: /quizmaster help for help';

init();