#!/usr/bin/perl
use strict;
use XML::Parser;


sub load_wpo {
    my ($tree, $tag, $page) = @_;
    
    foreach my $leaf (@$tree) {
	if (ref($leaf) eq 'ARRAY') {
	    $page = load_wpo($leaf, $tag, $page);
	} elsif (ref($leaf) eq 'HASH') {
	    # XML compatibility
	    $leaf->{to} =~ s/\\'/\\\\'/g;
	    $leaf->{to} =~ s/\\q/\\\\q/g;
	    $leaf->{to} =~ s/\\a/\\\\a/g;
	    $leaf->{from} =~ s/\\'/\\\\'/g;
	    $leaf->{from} =~ s/\\q/\\\\q/g;
	    $leaf->{from} =~ s/\\a/\\\\a/g;
	    $page->{$leaf->{from}} = $leaf->{to};
	} elsif (ref($leaf) =~ /\w\D/) {
	    $tag = $leaf;
	}
    }
    $page;
}

my $xmltree = XML::Parser->new(Style => 'Tree')->parsefile($ARGV[0]);
my $wpo = load_wpo($xmltree);

my %lang = (fr => '"Language-Team: French <fr@li.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=ISO-8859-1\n"
"Content-Transfer-Encoding: 8bit\n"',
	    en => '"Language-Team: English <en@li.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=ISO-8859-1\n"
"Content-Transfer-Encoding: 8bit\n"',
	    it => '"Language-Team: Italian <it@li.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=ISO-8859-1\n"
"Content-Transfer-Encoding: 8bit\n"',
	    de => => '"Language-Team: German <de@li.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=ISO-8859-1\n"
"Content-Transfer-Encoding: 8bit\n"',
	    es => => '"Language-Team: Spanish <es@li.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=ISO-8859-1\n"
"Content-Transfer-Encoding: 8bit\n"');

print STDERR "$ARGV[0] =>";
$ARGV[0] =~ m!.*/(.*)\.(.*)\.!;

my $PO;
open($PO, "> ./po/$1_$2.po");
my $date = `date +%Y-%m-%d\\ %H:%M%z`;
chomp $date;
print $PO 'msgid ""
msgstr ""
"Project-Id-Version: drakwizard 0.1\n"
"POT-Creation-Date: '.$date.'\n"
"PO-Revision-Date: '.$date.'\n"
"Last-Translator: Arnaud Desmons <adesmons@mandrakesoft.com>\n"
'.$lang{$2}.'
"X-Generator: wpo2pl 0.1\n"

';

foreach (keys %$wpo) {
    if ($_ ne "") {
	if ($_ eq $wpo->{$_}) {
	    print $PO qq(msgid "$_"\nmsgstr ""\n\n);
	}
	else {
	    print $PO qq(msgid "$_"\nmsgstr "$wpo->{$_}"\n\n);
	}
    }
    
}
close $PO;
print STDERR "./po/$1_$2.po\n";