#!/usr/bin/perl
# change the menu sections

use strict;
use warnings;

my $buildroot = $ENV{RPM_BUILD_ROOT};
die "No build root defined" unless $buildroot;
die "Invalid build root" unless -d $buildroot;

my $menudir = `rpm --eval %_menudir`;
chomp($menudir);

! -d "$buildroot/$menudir/" || exit(0);

my @nested = (
    ["Configuration", "System/Configuration"],
    ["Applications/Monitoring", "System/Monitoring"],
	["Applications/Publishing", "Office/Publishing"],
	["Applications/File tools", "System/File Tools"],
	["Applications/Text tools", "System/Text Tools"],
	["Applications/Archiving", "System/Archiving"],
	["Applications", "More Applications"],
	["Terminals", "System/Terminals"],
	["Documentation", "More Applications/Documentation"],
    ["Office/PDA", "Office/Communications/PDA"],
    ["Networking/IRC", "Internet/Chat"],
    ["Networking/WWW", "Internet/Web Browsers"],
    ["^Networking", "Internet"],
    ["Amusement", "More Applications/Games"],
    ["Session/Windowmanagers", "System/Session/Windowmanagers"],
);

sub translate {
    my ($str) = @_;

    foreach my $t (@nested) {
	if ($str =~ /(.*)$t->[0](.*)/ && $str !~ /$t->[1]/) {
	    print "$str => $1$t->[1]$2\n";
	    return "$1$t->[1]$2";
        }
    }
    return $str;
}

# process each file passed on cli:

foreach my $file (glob("$buildroot/$menudir/*")) {
    open(my $FILE, "<$file") or die $!;
    my @lines = <$FILE>;
    close($FILE);
    open($FILE, ">$file") or die $!;
    foreach my $l (@lines) {
	chomp($l);
	if ($l =~ /(.*section=)"([^"]+)"(\s*.*)/ ||
        $l =~ /(.*section=)([^"].+?)((\s|\\)+.*)/) {
	    my ($beg, $section, $end) = ($1, $2, $3);
            $section = translate($section);
            $l = qq($beg"$section"$end);
	}
	print $FILE "$l\n";
    }
    close($FILE);
}