#!/usr/bin/perl -w   # -*- perl -*-

use Foomatic::Defaults;
use Foomatic::DB;
use strict;

sub write_po{
    my ($out, $messages) = @_;
    foreach (sort(keys %$messages)) {
	if ($_ eq '') {
	    next;
	}
	my $translation = $messages->{$_};
	print $out "msgid \"$_\"\nmsgstr \"$translation\"\n\n";
    }
}

sub write_message_files {
    my ($messages) = @_;

    foreach (keys %$messages) {
	print "LANGUAGE: $_\n";
	open my $out, ">:encoding(utf-8)", "$_.po" or die;
	write_po($out, $messages->{$_});
    }
}

sub extract_ppd_old{
    my $file = $_[0];
    my %messages;


    if ($file =~ /ppd\.gz$/) {
	open(FILE, "zcat $file |") or die "Can't open file: $file";
    } else {
	open(FILE, $file);
    } 

    while (<FILE>){
	if ( /\*(\w+) (\w+)\/([^:]+): \"([^\"]*)\"/ ) {
	    print $_, "'$1' '$2' '$3' '$4'\n\n"
	}
	#print
    }
    close FILE;
}


sub extract_from_db{
    my $messages = $_[0];

    my $db = Foomatic::DB->new();

    my @files = $db->_get_xml_filelist("source/opt");
    foreach my $file (@files){
	if ( $file =~ /[Mm]odel|^18$|^57$/ ) { 
	    next; 
	}
	my $xml = $db->_get_object_xml("source/opt/$file");
	while ($xml =~ /\<[^\<\/]*longname\>.*?\<en\>(.*?)\<\/en\>/sg) {
	    my $message = Foomatic::DB::unhtmlify($1); # xml unquoting
	    $messages->{$message} = '';
	}
    }
}

sub extract_ppd{
    my ($db, $messages) = @_;
    my $args = $db->{"dat"}{"args_byname"};

    for my $option (keys %$args){
	$messages->{$args->{$option}{"comment"}} = "";
	#foreach (keys %{$args->{$option}}) {
	#    print $_, "\n";
	#}
	if ($args->{$option}{"type"} eq "bool"){
	    $messages->{$args->{$option}{"comment_true"}} = '';
	    $messages->{$args->{$option}{"comment_false"}} = '';
	} elsif ($args->{$option}{"type"} eq "enum") {
	    for my $val (@{$args->{$option}{"vals"}}){
		$messages->{$val->{"comment"}} = '';
	    }
	}
    }
    return;
    # old code:
    $a = $db->{"dat"}{"args_byname"}{"MediaType"}{"vals"}[0];
    print "$a\n\n";
    if (0){
    	foreach my $val (@$a){
    	    print "$val\n";
    	}
    	return;
    }
    foreach my $name (keys %$a) {
	print "$name:\n";
	print $a->{$name}, "\n\n";
	if ($name != "compiled-at"){
	    foreach (keys %{$db->{"dat"}{$name}}) {
		print $_, "\n";
	    }
	    print "\n";
	}
    }
}

sub get_translated_messages{
    my ($ppd_en, $ppd_lang, $translation) = @_;

    my $args_en = $ppd_en->{"dat"}{"args_byname"};
    my $args_lang = $ppd_lang->{"dat"}{"args_byname"};

    for my $option (keys %$args_en){
	$translation->{$args_en->{$option}{"comment"}} = 
	    $args_lang->{$option}{"comment"};

	if ($args_en->{$option}{"type"} eq "bool"){
	    $translation->{$args_en->{$option}{"comment_true"}} = 
		$args_lang->{$option}{"comment_true"}; 
	    $translation->{$args_en->{$option}{"comment_false"}} =  
		$args_lang->{$option}{"comment_false"};
	} elsif ($args_en->{$option}{"type"} eq "enum") {
	    for my $val (@{$args_en->{$option}{"vals"}}){
		my $value = $val->{"value"};
		for my $val_lang (@{$args_lang->{$option}{"vals"}}){
		    if ($val_lang->{"value"} eq $value) {
			$translation->{$val->{"comment"}} = 
			    $val_lang->{"comment"};
		    };
		}
	    }
	}
    }
}

sub extract_ppds{
    my ($path, $messages) = @_;
    my $ppds = { };
    my %language_names = ('English' => 'en',
			  'French' => 'fr',
			  'German' => 'de',
			  'Italian' => 'it',
			  'Japanese' => 'jp',
			  'Portugse' => 'pt',
			  'Portuguese' => 'pt',
			  'Spanish' => 'es');

    # read ppds
    open(PPDS, "find $path -name \*.ppd\*|");
    while (<PPDS>){
	print substr($_, 0, -1), "\n";
	my $db = Foomatic::DB->new();
	$db->getdatfromppd(substr($_, 0, -1));
	my $makemodel = $db->{'dat'}{'makemodel'};
	$ppds->{$makemodel} = [] unless exists $ppds->{$makemodel};
	push @{$ppds->{$makemodel}}, $db;
    }
    foreach my $makemodel (keys %$ppds) {
	my $en_ppd;
	foreach my $ppd (@{$ppds->{$makemodel}}) {
	    if ($ppd->{'dat'}{'language'} eq 'English') {
		$en_ppd = $ppd;
		last;
	    }
	}
	foreach my $ppd (@{$ppds->{$makemodel}}) {
	    my $lang = $ppd->{'dat'}{'language'};
	    if (exists $language_names{$lang}) {
		$lang = $language_names{$lang};
	    }
	    $messages->{$lang} = {} unless exists $messages->{$lang};
	    if ($lang ne 'en') {
		get_translated_messages($en_ppd, $ppd, $messages->{$lang});
	    } else {
		extract_ppd($ppd, $messages->{$lang});
	    }
	}
    }
}

sub main{
    my $messages = { };
    $messages->{'en'} = { }; 
    extract_from_db($messages->{'en'});
    extract_ppds("$libdir/db/source/PPD/", $messages);
    write_message_files($messages);
}

main();