package Plugin::Correction;

use strict;
use warnings;
use Encode qw/decode/;
use Data::Munge qw/replace/;

use IdaliusConfig qw/assert_scalar/;

my $config;
my $root_config;

sub configure {
	my $self = shift;
	shift; # cmdref
	shift; # run_command
	$config = shift;
	$root_config = shift;

	IdaliusConfig::assert_scalar($config, $self, "chance");
	die "chance must be from 0 to 100"
		unless $config->{chance} >= 0 && $config->{chance} <= 100;

	IdaliusConfig::assert_dict($config, $self, "corrections");

	return $self;
}

sub on_message {
	my ($self, $logger, $who, $where, $raw_what, $what, $irc) = @_;

	if (ref($where) eq "ARRAY") {
		$where = $where->[0];
	}

	$what = Encode::decode('utf8', $what);

	foreach my $mistake (keys %{$config->{corrections}}) {
		if ($what =~ /$mistake/i) {
			my $response = replace($what, qr/$mistake/i, "\x02$config->{corrections}->{$mistake}\x02", "g");
			return unless rand(100) < $config->{chance};
			return $response;
		}
	}
	return;
}

sub on_action {
	on_message(@_);
}
1;