#! /usr/bin/perl

#   webwml-stattrans - Debian web site translation statistics
#   Copyright (c) 2001  Martin Schulze <joey@debian.org> and others

#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.

#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.

#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.

use POSIX qw(strftime);
use Getopt::Std;

#    These modules reside under webwml/Perl
use lib ($0 =~ m|(.*)/|, $1 or ".") ."/Perl";
use Local::Cvsinfo;
use Webwml::Langs;
use Webwml::TransCheck;
use Webwml::TransIgnore;
use Debian::L10n::Db ('%LanguageList');
use Net::Domain qw(hostfqdn);

BEGIN {
    $dde_available = 0;
    eval {
        require JSON;
        require LWP::Simple;
        LWP::Simple->import;
        $dde_available = 1;
    }; if ($@) {
        warn "One or more modules required for DDE support failed to load: $@\n";
    }
}


$| = 1;

$opt_h = "/srv/www.debian.org/webwml/english/devel/website/stats";
$opt_w = "/srv/www.debian.org/webwml";
$opt_p = "*.(wml|src)";
$opt_t = '<stats_title>';
$opt_v = 0;
$opt_d = "u";
$opt_l = undef;
$opt_b = ""; # Base URL, if not debian.org
# URL of JSON data or path to plaintext file with lines: "1299999 /doc/index\n"
$opt_f = "http://dde.debian.net/dde/q/static/porridge/stats?t=json";
getopts('h:w:b:p:t:vd:l:f:') || die;
#  Replace filename globbing by Perl regexps
$opt_p =~ s/\./\\./g;
$opt_p =~ s/\?/./g;
$opt_p =~ s/\*/.*/g;
$opt_p =~ s/$/\$/g;
%config = (
	   'htmldir' => $opt_h,
	   'wmldir'  => $opt_w,
	   'wmlpat'  => $opt_p,
	   'title'   => $opt_t,
	   'verbose' => $opt_v,
	   'difftype'=> $opt_d,
           'hit_file'=> $opt_f,
	   );

my $l = Webwml::Langs->new($opt_w);
my %langs = $l->name_iso();

my $transignore = Webwml::TransIgnore->new($opt_w);

my $cvs = Local::Cvsinfo->new();
$cvs->options(
        recursive => 1,
        matchfile => [ $config{'wmlpat'} ],
        skipdir   => [ "template" ],
);
$cvs->readinfo("$config{'wmldir'}/english");
foreach (@{$transignore->global()}) {
        $cvs->removefile("$config{'wmldir'}/english/$_");
}

my $altcvs = Local::Cvsinfo->new();
$altcvs->options(
        recursive => 1,
        matchfile => [ $config{'wmlpat'} ],
        skipdir   => [ "template" ],
);

$max_versions = 5;
$min_versions = 1;


$date = strftime "%a %b %e %H:%M:%S %Y %z", localtime;

my %original;
my %transversion;
my %version;
my %files;
my %sizes;

print "Loading the coordination status databases\n" if ($config{verbose});
my %status_db = ();
opendir (DATADIR, "$opt_w/english/international/l10n/data")
	or die "Cannot open directory $opt_w/english/international/l10n/data: $!\n";
foreach (readdir (DATADIR)) {
	# Only check the status files
	next unless ($_ =~ m/^status\.(.*)$/);
	my $l = $1;
	next if (!defined $LanguageList{uc $l});
	if (-r "$opt_w/english/international/l10n/data/status.$l") {
		$status_db{$LanguageList{uc $l}} = Debian::L10n::Db->new();
		$status_db{$LanguageList{uc $l}}->read("$opt_w/english/international/l10n/data/status.$l", 0);
	}
}
closedir (DATADIR);

sub linklist {
	my ($file, $lang) = @_;
	my $add = "";
	if ($status_db{$lang}->has_package('www.debian.org')
	and $status_db{$lang}->has_status('www.debian.org')) {
		foreach my $statusline (@{$status_db{$lang}->status('www.debian.org')}) {
			my ($type, $statfile, $date, $status, $translator, $list, $url, $bug_nb) = @{$statusline};
			if ($file eq $statfile) {
				$date =~ s/\s*\+0000$//;
				$list =~ /^(\d\d\d\d)-(\d\d)-(\d\d\d\d\d)$/;
				$add = "<a href=\"http://lists.debian.org/debian-l10n-$lang/$1/debian-l10n-$lang-$1$2/msg$3.html\">$status</a>";
				$add = "<td>$add</td><td>$translator</td><td>$date</td>";
			}
		}
	}
	$add = '<td></td><td></td><td></td>' if (!length $add);
	return $add;
}

# Count wml files in given directory
#
sub getwmlfiles
{
    my $lang = shift;
    my $dir = "$config{'wmldir'}/$lang";
    my $cutfrom = length ($config{'wmldir'})+length($lang)+2;
    my $count = 0;
    my $size = 0;
    my $is_english = ($lang eq "english")?1:0;
    my ( $file, $v );
    my @listfiles;

    print "$lang " if ($config{verbose});
    if (! -d "$dir") {
      print "$0: can't find $dir! Skipping ...\n";
      return;
    }
    if ($is_english) {
        @listfiles = @{$cvs->files()};
    } else {
        $altcvs->reset();
        $altcvs->readinfo($dir);
        @listfiles = @{$altcvs->files()};
    }
    foreach my $f (@listfiles) {
	$file = substr ($f, $cutfrom);
	next if $transignore->is_global($file);
	$files{$file} = 1;
	$wmlfiles{$lang} .= " " . $file;
	my $transcheck = Webwml::TransCheck->new("$dir/$file");
	if ($transcheck->revision()) {
	    $transversion{"$lang/$file"} = $transcheck->revision();
	    $original{"$lang/$file"} ||= $transcheck->original();
	}
	if ($is_english) {
	    $version{"$lang/$file"} = $cvs->revision($f);
	} else {
	    $version{"$lang/$file"} = $altcvs->revision($f);
	    if (!$transcheck->revision()) {
	        $transcheckenglish = Webwml::TransCheck->new("english/$file");
		if (!$transcheckenglish->revision() and (-e "english/$file")) {
		    $transversion{"$lang/$file"} = "1.1";
		    $original{"$lang/$file"} = "english";
		} else {
		    $original{"english/$file"} = $lang;
		    $transversion{"english/$file"} ||= "1.1";
		}
	    }
	}
	if ($transcheck->maintainer()) {
	    $maintainer{"$lang/$file"} = $transcheck->maintainer();
	}
	$count++;
	$sizes{$file} = (stat "".($original{"english/$file"}||"english")."/".$file)[7];
	$size += $sizes{$file};
    }
    $wmlfiles{$lang} .= " ";
    $wml{$lang} = $count;
    $wml_s{$lang} = $size;
}

sub get_color
{
    my $percent = shift;

    if ($percent < 50) {
    	return sprintf ("#FF%02x00", (255/50) * $percent);
    } else {
	return sprintf ("#%02xFF00", (255/50) * (100 - $percent));
    }
}

sub check_translation
{
    my ($translation, $version, $file) = @_;
    my ( @version_numbers, $major_number, $last_number );
    my ( @translation_numbers, $major_translated_number, $last_translated_number );

    if ( $version && $translation ) {
	@version_numbers = split /\./,$version;
	$major_number = $version_numbers[0];
	$last_number = pop @version_numbers;
	die "Invalid CVS revision for $file: $version\n"
	    unless ($major_number =~ /\d+/ && $last_number =~ /\d+/);

	@translation_numbers = split /\./,$translation;
	$major_translated_number = $translation_numbers[0];
	$last_translated_number = pop @translation_numbers;
	die "Invalid translation revision for $file: $translation\n"
	    unless ($major_translated_number =~ /\d+/ && $last_translated_number =~ /\d+/);

	# Here we compare the original version with the translated one and print
	# a note for the user if their first or last numbers are too far apart
	# From translation-check.wml

	if ( $major_number != $major_translated_number ) {
	    return '<gettext domain="stats">This translation is too out of date</gettext>';
	} elsif ( $last_number - $last_translated_number < 0 ) {
	    return '<gettext domain="stats">Wrong translation version</gettext>';
	} elsif ( $last_number - $last_translated_number >= $max_versions ) {
	    return '<gettext domain="stats">This translation is too out of date</gettext>';
	} elsif ( $last_number - $last_translated_number >= $min_versions ) {
	    return '<gettext domain="stats">The original is newer than this translation</gettext>';
	}
    } elsif ( !$version && $translation) {
	return '<gettext domain="stats">The original no longer exists</gettext>';
    }
    return "";
}

print "Collecting data in: " if ($config{'verbose'});
if ($opt_l) {
  getwmlfiles ($opt_l);
  getwmlfiles ('english');
} else {
  foreach $lang (keys %langs) {
    getwmlfiles ($lang);
  }
}
print "\n" if ($config{'verbose'});

my @search_in;
if ($opt_l) {
  @search_in = ( 'english', $opt_l );
} else {
  @search_in = sort keys %langs;
}

# Compute stats about gettext files
print "Computing statistics in gettext files... " if ($config{'verbose'});
my ( %po_translated, %po_fuzzy, %po_untranslated, %po_total );
my ( %percent_po_t, %percent_po_u, %percent_po_f );
foreach $lang (@search_in) {
    next if $lang eq 'english';
    $po_translated{"total"}{$lang} = $po_fuzzy{"total"}{$lang} = $po_untranslated{"total"}{$lang} = 0;
    $percent_po_t{'total'}{$lang} = 0;
    $percent_po_f{'total'}{$lang} = 0;
    $percent_po_u{'total'}{$lang} = 100;
    if (! -d "$opt_w/$lang/po") {
      print "$0: can't find $opt_w/$lang/po! Skipping ...\n";
      next;
    }
    my @status = qx,LC_ALL=C make -C $opt_w/$lang/po stats 2>&1,;
    foreach $line (@status) {
        chomp $line;
        next if($line =~ /make: (Enter|Leav)ing directory/);
        ($domain = $line) =~ s/\..*//;
        $po_translated{$domain}{$lang} = ($line =~ /(\d+) translated/ ? $1 : "0");
        $po_fuzzy{$domain}{$lang} = ($line =~ /(\d+) fuzzy/ ? $1 : "0");
        $po_untranslated{$domain}{$lang} = ($line =~ /(\d+) untranslated/ ? $1 : "0");

        $po_total{$domain} = $po_translated{$domain}{$lang} + $po_fuzzy{$domain}{$lang} + $po_untranslated{$domain}{$lang};

        $po_translated{"total"}{$lang} += $po_translated{$domain}{$lang};
	$po_fuzzy{"total"}{$lang} += $po_fuzzy{$domain}{$lang};
	$po_untranslated{"total"}{$lang} += $po_untranslated{$domain}{$lang};

        if ($po_total{$domain} > 0) {
            $percent_po_t{$domain}{$lang} = int ($po_translated{$domain}{$lang}/$po_total{$domain} * 100 + .5);
            $percent_po_f{$domain}{$lang} = int ($po_fuzzy{$domain}{$lang}/$po_total{$domain} * 100 + .5);
            $percent_po_u{$domain}{$lang} = int ($po_untranslated{$domain}{$lang}/$po_total{$domain} * 100 + .5);
        } else {
            $percent_po_t{$domain}{$lang} = 0;
            $percent_po_f{$domain}{$lang} = 0;
            $percent_po_u{$domain}{$lang} = 0; # or 100 if po/ doesn't exist
        }
    }
    $po_total{"total"} = $po_translated{"total"}{$lang} + $po_fuzzy{"total"}{$lang} + $po_untranslated{"total"}{$lang};

    if ($po_total{'total'} > 0) {
	$percent_po_t{'total'}{$lang} = int ($po_translated{'total'}{$lang}/$po_total{'total'} * 100 + .5);
	$percent_po_f{'total'}{$lang} = int ($po_fuzzy{'total'}{$lang}/$po_total{'total'} * 100 + .5);
	$percent_po_u{'total'}{$lang} = int ($po_untranslated{'total'}{$lang}/$po_total{'total'} * 100 + .5);
    }
}
print "done.\n" if ($config{'verbose'});

# =============== Create HTML files ===============
mkdir ($config{'htmldir'}, 02775) if (! -d $config{'htmldir'});

# Read website hit statistics, if available
my %hits;
my $hits_hostname;
my $hits_datetime;
my $file_sorter = sub($$) { $_[0] cmp $_[1] };
if ($config{'hit_file'} and $config{'hit_file'} =~ m{^(f|ht)tps?://} and ! $dde_available) {
    warn "Disabling fetching of hit data.\n";
    $config{'hit_file'} = undef;
}
if ($config{'hit_file'}) {
    if ($config{'hit_file'} =~ m{^(f|ht)tps?://}) {
        printf("Retrieving hit data from [%s].\n", $config{'hit_file'}) if ($config{'verbose'});
        my $json = LWP::Simple::get($config{'hit_file'});
        if ($json) {
            my $perl = JSON::from_json($json, {utf8 => 1});
            my %metadata = %{$perl->{'m'}};
            $hits_hostname = $metadata{'hostname'} || undef;
            $hits_datetime = defined $metadata{'Last-Modified'} ? strftime "%Y-%m-%d %T GMT", gmtime $metadata{'Last-Modified'} : undef;
            foreach my $e (@{$perl->{'r'}}) {
                my ($count, $url) = @$e;
                last if $count < 3; # URLS with 2 or 1 hits are most likely mistakes; let's not waste RAM on them
                $hits{substr($url, 1)} = $count;
            }
        } else {
            warn "Retrieving hit data failed.\n";
        }
    } else {
        $hits_hostname = hostfqdn;
        $hits_datetime = strftime "%Y-%m-%d %T %Z", localtime;
        open(HITS, $config{'hit_file'}) or die sprintf("Opening hit file [%s] failed: $!", $config{'hit_file'});
        printf "Reading hit file [%s]\n", $config{'hit_file'} if ($config{'verbose'});
        foreach my $hit_line (<HITS>) {
    	chomp $hit_line;
            $hit_line =~ /^\s*(\d+)\s+(.*)/ or warn sprintf("unrecognized hit file [%s] line [%s]", $config{'hit_file'}, $hit_line);
    	my ($count, $url) = ($1, $2);
            last if $count < 3; # URLS with 2 or 1 hits are most likely mistakes; let's not waste RAM on them
            $hits{substr($url, 1)} = $count;
        }
        close(HITS) or die sprintf("Closing hit file [%s] failed: $!", $config{'hit_file'});
    }
    if (%hits) {
        $file_sorter = sub($$) {
            my ($a, $b) = @_;
            $a =~ s/\.wml$//o;
            $b =~ s/\.wml$//o;
            $hits{$b} <=> $hits{$a}
        };
    } else {
        print "Tables will be sorted alphabetically.\n" if ($config{'verbose'});
    }
} else {
    print "No hit file specified. Tables will be sorted alphabetically.\n" if ($config{'verbose'});
}

my @filenames = sort $file_sorter keys %files;
my $nfiles = scalar @filenames;
$nsize += $sizes{$_} foreach (@filenames);

my $firstdifftype;
my $seconddifftype;
if ($config{'difftype'} eq 'u') {
    $firstdifftype = 'u';
    $seconddifftype = 'h';
} else {
    $firstdifftype = 'h';
    $seconddifftype = 'u';
}

print "Creating files: " if ($config{'verbose'});
foreach $lang (@search_in) {
    my @processed_langs = ($langs{$lang});
    @processed_langs = ("zh-cn", "zh-tw") if $langs{$lang} eq "zh";
    foreach $l (@processed_langs) {
        print "$l.wml " if ($config{'verbose'});
        $t_body = $u_body = $ui_body = $un_body = $uu_body = $o_body = "";
        $translated{$lang} = $outdated{$lang} = $untranslated{$lang} = 0;

        # get stats about files
        foreach $file (@filenames) {
            next if ($file eq "");
            (my $base = $file) =~ s/\.wml$//;
            my $hits = exists $hits{$base} ? $hits{$base}.' <gettext domain="stats">hits</gettext>' : '<gettext domain="stats">hit count N/A</gettext>';
	    my $todo = '<td></td><td></td><td></td>';
	    $todo = linklist($file, $lang) if defined $status_db{$lang};
	    # Translated pages or already WIP in translation list
            if ((index ($wmlfiles{$lang}, " $file ") >= 0) or (($todo ne '<td></td><td></td><td></td>') and ($transversion{"$lang/$file"} ne $version{"$orig/$file"}))) {
                $translated{$lang}++;
		$translated_s{$lang} += $sizes{$file};
                $orig = $original{"$lang/$file"} || "english";
                # Outdated translations
                $msg = check_translation ($transversion{"$lang/$file"}, $version{"$orig/$file"}, "$lang/$file");
                if (length ($msg) or (($todo ne '<td></td><td></td><td></td>') and ($transversion{"$lang/$file"} ne $version{"$orig/$file"}))) {
                    $o_body .= "<tr>";
                    if (($file !~ /\.wml$/)
                        || ($file eq "devel/wnpp/wnpp.wml")) {
                        $o_body .= sprintf "<td>%s</td>", $file;
                    } else {
                        $o_body .= sprintf "<td><a title=\"%s\" href=\"$opt_b/%s\">%s</a></td>", $hits, $base, $base;
                    }
		    my $stattd = sprintf '<td style=\'font-family: monospace\' title=\'<gettext domain="stats">Click to fetch diffstat data</gettext>\' onClick="setDiffstat(\'%s\', \'%s\', \'%s\', this)">+/-</td>', $file, $transversion{"$lang/$file"}, $version{"$orig/$file"};
		    my $statspan = sprintf '(<span style=\'font-family: monospace\' title=\'<gettext domain="stats">Click to fetch diffstat data</gettext>\' onClick="setDiffstat(\'%s\', \'%s\', \'%s\', this)">+/-</span>)', $file, $transversion{"$lang/$file"}, $version{"$orig/$file"};
		  if (!defined $status_db{$lang}) {
                    $o_body .= sprintf "<td>%s</td>", $msg;
                    $o_body .= $stattd;
	          }
		    if ($msg eq '<gettext domain="stats">Wrong translation version</gettext>' || $msg eq '<gettext domain="stats">The original no longer exists</gettext>') {
		      if (defined $status_db{$lang}) {
			$o_body .= sprintf "<td>%d (%.2f&nbsp;&permil;)</td>", $sizes{$file}, $sizes{$file}/$nsize * 1000;
		      } else {
		        $o_body .= "<td></td><td></td>";
		      }
		    } else {
		      if (defined $status_db{$lang}) {
                       if ($transversion{"$lang/$file"} ne ''){
			$o_body .= sprintf '<td><a title=\'<gettext domain="stats">Unified diff</gettext>\' href="http://alioth.debian.org/scm/viewvc.php/webwml/%s?root=webwml&amp;view=diff&amp;r1=%s&amp;r2=%s&amp;diff_format=u">%s&nbsp;→&nbsp;%s</a> ',
				"$orig/$file", $transversion{"$lang/$file"}, $version{"$orig/$file"}, $transversion{"$lang/$file"}, $version{"$orig/$file"};
			$o_body .= sprintf '<a title=\'<gettext domain="stats">Colored diff</gettext>\' href="http://alioth.debian.org/scm/viewvc.php/webwml/%s?root=webwml&amp;view=diff&amp;r1=%s&amp;r2=%s&amp;diff_format=h">%s&nbsp;→&nbsp;%s</a> ',
				"$orig/$file", $transversion{"$lang/$file"}, $version{"$orig/$file"}, $transversion{"$lang/$file"}, $version{"$orig/$file"};
			$o_body .= "$statspan</td>";
		       } else {
			$o_body .= sprintf "<td>%d (%.2f&nbsp;&permil;)</td>", $sizes{$file}, $sizes{$file}/$nsize * 1000;
		       }
		      } else {
		        $o_body .= sprintf "<td><a href=\"http://alioth.debian.org/scm/viewvc.php/webwml/$orig/%s?root=webwml\&amp;view=diff\&amp;r1=%s\&amp;r2=%s\&amp;diff_format=%s\">%s\&nbsp;->\&nbsp;%s</a></td>",
                                           $file, $transversion{"$lang/$file"}, $version{"$orig/$file"}, $firstdifftype, $transversion{"$lang/$file"}, $version{"$orig/$file"};
		        $o_body .= sprintf "<td><a href=\"http://alioth.debian.org/scm/viewvc.php/webwml/$orig/%s?root=webwml\&amp;view=diff\&amp;r1=%s\&amp;r2=%s\&amp;diff_format=%s\">%s\&nbsp;->\&nbsp;%s</a></td>",
                                           $file, $transversion{"$lang/$file"}, $version{"$orig/$file"}, $seconddifftype, $transversion{"$lang/$file"}, $version{"$orig/$file"};
		      }
		    }
		    $o_body .= sprintf "<td><a title=\"%s\" href=\"http://alioth.debian.org/scm/viewvc.php/webwml/$orig/%s?root=webwml#rev%s\">[L]</a></td>", $msg, $file, $version{"$orig/$file"};
                    $o_body .= sprintf "<td><a href=\"http://alioth.debian.org/scm/viewvc.php/webwml/%s/%s?root=webwml\&amp;view=markup\">[V]</a>\&nbsp;", $lang, $file;
                    $o_body .= sprintf "<a href=\"http://alioth.debian.org/scm/viewvc.php/*checkout*/webwml/%s/%s?root=webwml\">[F]</a></td>", $lang, $file;
                    $o_body .= sprintf "<td align=center>%s</td>", $maintainer{"$lang/$file"} || "";
		    $o_body .= $todo if (defined $status_db{$lang});
                    $o_body .= "</tr>\n";
                    $outdated{$lang}++;
		    $outdated_s{$lang} += $sizes{$file};
                # Up-to-date translations
                } else {
                    if (($file !~ /\.wml$/)
                        || ($file eq "devel/wnpp/wnpp.wml")) {
                        $t_body .= sprintf "<li>%s</li>\n", $file;
                    } else {
                        $t_body .= sprintf "<li><a title=\"%s\" href=\"$opt_b/%s.%s.html\">%s</a></li>\n", $hits, $base, $l, $base;
                    }
                }
            }
            # Untranslated pages
            else {
	        my $u_tmp;
                if (($file !~ /\.wml$/)
                    || ($file eq "devel/wnpp/wnpp.wml")) {
                    $u_tmp = sprintf "<tr><td>%s</td><td>&nbsp;</td></tr>\n", $file;
                } else {
                    $u_tmp = sprintf "<tr><td><a title=\"%s\" href=\"$opt_b/%s\">%s&nbsp;&nbsp;(%s)</a></td><td align=\"right\">%d</td><td>(%.2f&nbsp;&permil;)</td></tr>\n", $hits, $base, $base, $version{"$orig/$file"}, $sizes{$file}, $sizes{$file}/$nsize * 1000;
                }
		if (($file =~ /international\//) &&
		    (($file !~ /international\/index.wml$/) ||
		     ($file !~ /international\/l10n\//))) {
		    $ui_body .=$u_tmp;
		} elsif ((($file =~ /(News|events|security|vote)\/[0-9]{4}\//) &&
		          ($file !~ /index.wml$/)) ||
		         ($file =~ /(News\/weekly\/[0-9]{4}\/|security\/undated)/)) {
		    $un_body .= $u_tmp;
		} elsif (($file =~ /(consultants|users\/(com|edu|gov|org))\//) &&
		         ($file !~ /index.wml$/)) {
		    $uu_body .=$u_tmp;
		} else {
		    $u_body .= $u_tmp;
		}
                $untranslated{$lang}++;
		$untranslated_s{$lang} += $sizes{$file};
            }
        }


        # this is where we discard the files that the translation directory contains
        # but which don't exist in the English directory
        #   print "extra files: ".$wml{$lang}-$translated{$lang}."\n";
        $wml{$lang} = $translated{$lang};
	$wml_s{$lang} = $translated_s{$lang};
        $translated{$lang} = $translated{$lang} - $outdated{$lang};
	$translated_s{$lang} = $translated_s{$lang} - $outdated_s{$lang};

        if ($nfiles > 0) {
            $percent_a{$lang} = $wml{$lang}/$nfiles * 100;
        } else {
            $percent_a{$lang} = 0;
        }
        if ($nsize > 0) {
            $percent_as{$lang} = $wml_s{$lang}/$nsize * 100;
        } else {
	    $percent_as{$lang} = 0;
        }
        if ($wml{$lang} > 0) {
            $percent_t{$lang} = $translated{$lang}/$wml{$lang} * 100;
        } else {
            $percent_t{$lang} = 0;
        }
        if ($wml_s{$lang} > 0) {
            $percent_ts{$lang} = $translated_s{$lang}/$wml_s{$lang} * 100;
        } else {
	    $percent_ts{$lang} = 0;
        }
        $percent_o{$lang} = 100 - $percent_t{$lang};
	$percent_os{$lang} = 100 - $percent_ts{$lang};
        $percent_u{$lang} = 100 - $percent_a{$lang};
	$percent_us{$lang} = 100 - $percent_as{$lang};

        if (open (HTML, ">$config{'htmldir'}/$l.wml")) {
	    printf HTML "#use wml::debian::template title=\"<:=\$trans{\$CUR_ISO_LANG}{%s}:>\"\n", $lang;
	    print HTML "#use wml::debian::toc\n";
            print HTML "<script src='diffstat.js' type='text/javascript'></script>\n\n";
            $color = get_color ($percent_a{$lang});

            printf HTML '<table summary="<gettext domain="stats">Translation summary for</gettext> <:=$trans{$CUR_ISO_LANG}{'.$lang.'} :>" style="background-color: %s; width: 100%; font-weight: bold; margin: 0; text-align: center;">'."\n", $color;
            print HTML "<colgroup span=\"4\" width=\"25%\"></colgroup>\n";

            print HTML '<tr><th><gettext domain="stats">Translated</gettext></th><th><gettext domain="stats">Up to date</gettext></th><th><gettext domain="stats">Outdated</gettext></th><th><gettext domain="stats">Not translated</gettext></th></tr>'."\n<tr>\n";
            printf HTML '<td>%d <gettext domain="stats">files</gettext> (%.1f%%)</td>', $wml{$lang}, $percent_a{$lang};
            printf HTML '<td>%d <gettext domain="stats">files</gettext> (%.1f%%)</td>', $translated{$lang}, $percent_t{$lang};
            printf HTML '<td>%d <gettext domain="stats">files</gettext> (%.1f%%)</td>', $outdated{$lang}, $percent_o{$lang};
            printf HTML '<td>%d <gettext domain="stats">files</gettext> (%.1f%%)</td>', $untranslated{$lang}, $percent_u{$lang};
            print HTML "</tr>\n";
	    print HTML "<tr>\n";
	    printf HTML '<td>%d <gettext domain="stats">bytes</gettext> (%.1f%%)</td>', $wml_s{$lang}, $percent_as{$lang};
	    printf HTML '<td>%d <gettext domain="stats">bytes</gettext> (%.1f%%)</td>', $translated_s{$lang}, $percent_ts{$lang};
	    printf HTML '<td>%d <gettext domain="stats">bytes</gettext> (%.1f%%)</td>', $outdated_s{$lang}, $percent_os{$lang};
	    printf HTML '<td>%d <gettext domain="stats">bytes</gettext> (%.1f%%)</td>', $nsize-$wml_s{$lang}, $percent_us{$lang};
	    print HTML "</tr>\n";
            print HTML "</table>\n";

            # Make the table of content
	    print HTML "<toc-display/>\n";
            if (%hits) {
                print HTML '<p><gettext domain="stats">Note: the lists of pages are sorted by popularity. Hover over the page name to see the number of hits.</gettext>';
                if (defined $hits_hostname and defined $hits_datetime) {
                    printf HTML ' <stats_hit_source "%s" "%s">', $hits_hostname, $hits_datetime;
                }
                print HTML "</p>\n";
            }

            # outputs the content
            if ($o_body) {
                print HTML '<toc-add-entry name="outdated"><gettext domain="stats">Outdated translations</gettext></toc-add-entry>'."\n";
                print HTML "<table summary=\"Outdated translations\" border=0 cellpadding=1 cellspacing=1>\n";
                print HTML '<tr><th><gettext domain="stats">File</gettext></th>'."\n";
	      if (defined $status_db{$lang}) {
		print HTML '<th><gettext domain="stats">Diff</gettext></th>';
	      } else {
		print HTML '<th><gettext domain="stats">Comment</gettext></th>'."\n";
		print HTML '<th><gettext domain="stats">Diffstat</gettext></th>'."\n";
                if ($opt_d eq "u") { print HTML '<th><gettext domain="stats">Unified diff</gettext></th><th><gettext domain="stats">Colored diff</gettext></th>'; }
                elsif ($opt_d eq "h") { print HTML '<th><gettext domain="stats">Colored diff</gettext></th><th><gettext domain="stats">Unified diff</gettext></th>'; }
                else { print HTML '<th><gettext domain="stats">Diff</gettext></th>'; }
	      }
                print HTML '<th><gettext domain="stats">Log</gettext></th>';
                print HTML '<th><gettext domain="stats">Translation</gettext></th>';
                print HTML '<th><gettext domain="stats">Maintainer</gettext></th>';
	      if (defined $status_db{$lang}) {
		print HTML '<th><gettext domain="stats">Status</gettext></th>';
		print HTML '<th><gettext domain="stats">Translator</gettext></th>';
		print HTML '<th><gettext domain="stats">Date</gettext></th>';
	      }
                print HTML "</tr>\n";
                print HTML $o_body;
                print HTML "</table>\n";
            }
            if ($u_body) {
                print HTML '<toc-add-entry name="untranslated"><gettext domain="stats">General pages not translated</gettext></toc-add-entry>'."\n";
                print HTML '<table summary="<gettext domain="stats">Untranslated general pages</gettext>">'."\n";
                print HTML $u_body;
                print HTML "</table>\n";
            }
            if ($un_body) {
                print HTML '<toc-add-entry name="untranslated-news"><gettext domain="stats">News items not translated</gettext></toc-add-entry>'."\n";
                print HTML '<table summary="<gettext domain="stats">Untranslated news items</gettext>">'."\n";
                print HTML $un_body;
                print HTML "</table>\n";
            }
            if ($uu_body) {
                print HTML '<toc-add-entry name="untranslated-user"><gettext domain="stats">Consultant/user pages not translated</gettext></toc-add-entry>'."\n";
                print HTML '<table summary="<gettext domain="stats">Untranslated consultant/user pages</gettext>">'."\n";
                print HTML $uu_body;
                print HTML "</table>\n";
            }
            if ($ui_body) {
                print HTML '<toc-add-entry name="untranslated-l10n"><gettext domain="stats">International pages not translated</gettext></toc-add-entry>'."\n";
                print HTML '<table summary="<gettext domain="stats">Untranslated international pages</gettext>">'."\n";
                print HTML $ui_body;
                print HTML "</table>\n";
            }
            if ($t_body) {
                print HTML '<toc-add-entry name="uptodate"><gettext domain="stats">Translated pages (up-to-date)</gettext></toc-add-entry>'."\n";
                print HTML "<ul class=\"discless\">\n";
                print HTML $t_body;
                print HTML "</ul>\n";
            }
            # outputs the gettext stats
            if ($lang ne 'english') {
                print HTML '<toc-add-entry name="gettext"><gettext domain="stats">Translated templates (PO files)</gettext></toc-add-entry>'."\n";
                print HTML '<table summary="<gettext domain="stats">PO Translation Statistics</gettext>" width="100%">'."\n";
		print HTML '<tr><th><gettext domain="stats">File</gettext></th>'."\n";
		print HTML '<th><gettext domain="stats">Up to date</gettext></th>'."\n";
		print HTML '<th><gettext domain="stats">Fuzzy</gettext></th>'."\n";
		print HTML '<th><gettext domain="stats">Untranslated</gettext></th>'."\n";
		print HTML '<th><gettext domain="stats">Total</gettext></th></tr>'."\n";
                foreach my $domain (sort keys %po_total) {
                    next if $domain eq 'total';
                    print HTML "<tr>";

                    $color_t = get_color ($percent_po_t{$domain}{$lang});
                    $color_f = get_color (100 - $percent_po_f{$domain}{$lang});
                    $color_u = get_color (100 - $percent_po_u{$domain}{$lang});

                    print HTML "<td>$domain.$langs{$lang}.po</td>";
                    printf HTML "<td style=\"background-color: %s\" align=right>%d (%s%%)</td>", $color_t, $po_translated{$domain}{$lang},   $percent_po_t{$domain}{$lang};
                    printf HTML "<td style=\"background-color: %s\" align=right>%d (%s%%)</td>", $color_f, $po_fuzzy{$domain}{$lang},        $percent_po_f{$domain}{$lang};
                    printf HTML "<td style=\"background-color: %s\" align=right>%d (%s%%)</td>", $color_u, $po_untranslated{$domain}{$lang}, $percent_po_u{$domain}{$lang};
                    printf HTML "<td align=right>%d</td>", $po_total{$domain};
                    print HTML "</tr>\n";
                }
                print HTML "<tr><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td></tr>\n";
		print HTML '<tr><th><gettext domain="stats">Total:</gettext></th>';
                $color_t = get_color ($percent_po_t{'total'}{$lang});
                $color_f = get_color (100 - $percent_po_f{'total'}{$lang});
                $color_u = get_color (100 - $percent_po_u{'total'}{$lang});
                printf HTML "<td style=\"background-color: %s\" align=right>%d (%d%%)</td>", $color_t, $po_translated{'total'}{$lang}, $percent_po_t{'total'}{$lang};
                printf HTML "<td style=\"background-color: %s\" align=right>%d (%d%%)</td>", $color_f, $po_fuzzy{'total'}{$lang}, $percent_po_f{'total'}{$lang};
                printf HTML "<td style=\"background-color: %s\" align=right>%d (%d%%)</td>", $color_u, $po_untranslated{'total'}{$lang}, $percent_po_u{'total'}{$lang};
                printf HTML "<td align=right>%d</td>", $po_total{'total'};
                print HTML "</tr>\n";
                print HTML "</table>\n";
            }

	    print HTML '<address><gettext domain="stats">Created with</gettext> <a href="http://alioth.debian.org/scm/viewvc.php/webwml/stattrans.pl?view=markup&amp;root=webwml">webwml-stattrans</a></address>'."\n";
            close (HTML);
        } else {
            print "Can't open $config{'htmldir'}/$l.wml\n";
        }
    }
}
print "\n" if ($config{'verbose'});

# =============== Creating index.html ===============
print "Creating index.wml... " if ($config{'verbose'});

open (HTMLI, ">$config{'htmldir'}/index.wml")
    || die "Can't open $config{'htmldir'}/index.wml";

print HTMLI "#use wml::debian::stats_tags\n";
printf HTMLI "#use wml::debian::template title=\"%s\"\n\n", $config{'title'};
print HTMLI '<h2><gettext domain="stats">Translated web pages</gettext></h2>'."\n";
printf HTMLI "<p><stats_pages %d></p>\n",($wml{'english'}+$untranslated{'english'});

print HTMLI '<table summary="<gettext domain="stats">Translation Statistics by Page Count</gettext>" class="stattrans">'."\n";
print HTMLI "<colgroup width=\"20%\">\n";
print HTMLI "<col>\n";
print HTMLI "</colgroup>";
print HTMLI "<colgroup width=\"10%\">\n";
print HTMLI "<col width=\"10%\">\n";
print HTMLI "<col width=\"10%\">\n";
print HTMLI "<col width=\"10%\">\n";
print HTMLI "<col width=\"10%\">\n";
print HTMLI "<col width=\"10%\">\n";
print HTMLI "<col width=\"10%\">\n";
print HTMLI "<col width=\"10%\">\n";
print HTMLI "<col width=\"10%\">\n";
print HTMLI "</colgroup>";
print HTMLI "<thead>";
print HTMLI '<tr><th><gettext domain="stats">Language</gettext></th>'."\n";
print HTMLI '<th colspan="2"><gettext domain="stats">Translations</gettext></th>'."\n";
print HTMLI '<th colspan="2"><gettext domain="stats">Up to date</gettext></th>'."\n";
print HTMLI '<th colspan="2"><gettext domain="stats">Outdated</gettext></th>'."\n";
print HTMLI '<th colspan="2"><gettext domain="stats">Not translated</gettext></th></tr>'."\n";
print HTMLI "</thead>";
print HTMLI "<tbody>";
foreach $lang (@search_in) {
    my @processed_langs = ($langs{$lang});
    @processed_langs = ("zh-cn", "zh-tw") if $langs{$lang} eq "zh";
    foreach $l (@processed_langs) {
        $color_a = get_color ($percent_a{$lang});
        $color_t = get_color ($percent_t{$lang});
        $color_o = get_color (100 - $percent_o{$lang});
        $color_u = get_color (100 - $percent_u{$lang});

        print HTMLI "<tr>";
        printf HTMLI "<th><a href=\"%s\"><:=\$trans{\$CUR_ISO_LANG}{%s} :></a> (%s)</th>", $l, $lang, $l;
        printf HTMLI "<td style=\"background-color: %s\">%d</td><td>(%.1f%%)</td>", $color_a, $wml{$lang},          $percent_a{$lang};
        printf HTMLI "<td style=\"background-color: %s\">%d</td><td>(%.1f%%)</td>", $color_t, $translated{$lang},   $percent_t{$lang};
        printf HTMLI "<td style=\"background-color: %s\">%d</td><td>(%.1f%%)</td>", $color_o, $outdated{$lang},     $percent_o{$lang};
        printf HTMLI "<td style=\"background-color: %s\">%d</td><td>(%.1f%%)</td>", $color_u, $untranslated{$lang}, $percent_u{$lang};
        print HTMLI "</tr>\n";
    }
}
print HTMLI "</tbody>";
print HTMLI "</table>\n";

print HTMLI '<h2><gettext domain="stats">Translated web pages (by size)</gettext></h2>'."\n";
printf HTMLI "<p><stats_bytes %d></p>\n",($wml_s{'english'}+$untranslated_s{'english'});

print HTMLI '<table summary="<gettext domain="stats">Translation Statistics by Page Size</gettext>" class="stattrans">'."\n";
print HTMLI "<colgroup span=\"1\">\n";
print HTMLI "<col width=\"20%\">\n";
print HTMLI "</colgroup>";
print HTMLI "<colgroup span=\"8\">\n";
print HTMLI "<col width=\"13%\">\n";
print HTMLI "<col width=\"7%\">\n";
print HTMLI "<col width=\"13%\">\n";
print HTMLI "<col width=\"7%\">\n";
print HTMLI "<col width=\"13%\">\n";
print HTMLI "<col width=\"7%\">\n";
print HTMLI "<col width=\"13%\">\n";
print HTMLI "<col width=\"7%\">\n";
print HTMLI "</colgroup>";
print HTMLI "<thead>";
print HTMLI '<tr><th><gettext domain="stats">Language</gettext></th>'."\n";
print HTMLI '<th colspan="2"><gettext domain="stats">Translations</gettext></th>'."\n";
print HTMLI '<th colspan="2"><gettext domain="stats">Up to date</gettext></th>'."\n";
print HTMLI '<th colspan="2"><gettext domain="stats">Outdated</gettext></th>'."\n";
print HTMLI '<th colspan="2"><gettext domain="stats">Not translated</gettext></th></tr>'."\n";
print HTMLI "</thead>";
print HTMLI "<tbody>";

foreach $lang (@search_in) {
    my @processed_langs = ($langs{$lang});
    @processed_langs = ("zh-cn", "zh-tw") if $langs{$lang} eq "zh";
    foreach $l (@processed_langs) {
	$color_a = get_color ($percent_a{$lang});
	$color_t = get_color ($percent_t{$lang});
	$color_o = get_color (100 - $percent_o{$lang});
	$color_u = get_color (100 - $percent_u{$lang});

	print HTMLI "<tr>";
	printf HTMLI "<th><a href=\"%s\"><:=\$trans{\$CUR_ISO_LANG}{%s} :></a> (%s)</th>", $l, $lang, $l;
	printf HTMLI "<td style=\"background-color: %s\">%d</td><td>(%.1f%%)</td>", $color_a, $wml_s{$lang},                   $percent_as{$lang};
	printf HTMLI "<td style=\"background-color: %s\">%d</td><td>(%.1f%%)</td>", $color_t, $translated_s{$lang},            $percent_ts{$lang};
	printf HTMLI "<td style=\"background-color: %s\">%d</td><td>(%.1f%%)</td>", $color_o, $outdated_s{$lang},              $percent_os{$lang};
	printf HTMLI "<td style=\"background-color: %s\">%d</td><td>(%.1f%%)</td>", $color_u, $wml_s{"english"}+$untranslated_s{'english'}-$wml_s{$lang}, $percent_us{$lang};
	print HTMLI "</tr>\n";
    }
}
print HTMLI "</tbody>";
print HTMLI "</table>\n";

print HTMLI '<h2><gettext domain="stats">Translated templates (PO files)</gettext></h2>'."\n";
printf HTMLI "<p><stats_strings %d></p>\n",$po_total{'total'};

print HTMLI '<table summary="<gettext domain="stats">PO Translation Statistics</gettext>"class="stattrans">'."\n";
print HTMLI "<colgroup span=\"1\"width=\"28%\">\n";
print HTMLI "</colgroup>";
print HTMLI "<colgroup span=\"6\" width=\"12%\">\n";
print HTMLI "<col width=\"12%\">\n";
print HTMLI "<col width=\"12%\">\n";
print HTMLI "<col width=\"12%\">\n";
print HTMLI "<col width=\"12%\">\n";
print HTMLI "<col width=\"12%\">\n";
print HTMLI "<col width=\"12%\">\n";
print HTMLI "</colgroup>";
print HTMLI "<thead>";
print HTMLI '<tr><th><gettext domain="stats">Language</gettext></th>'."\n";
print HTMLI '<th colspan="2"><gettext domain="stats">Up to date</gettext></th>'."\n";
print HTMLI '<th colspan="2"><gettext domain="stats">Fuzzy</gettext></th>'."\n";
print HTMLI '<th colspan="2"><gettext domain="stats">Not translated</gettext></th></tr>'."\n";
print HTMLI "</thead>";
print HTMLI "<tbody>";
foreach $lang (@search_in) {
    next if $lang eq 'english';
    my @processed_langs = ($langs{$lang});
    @processed_langs = ("zh-cn", "zh-tw") if $langs{$lang} eq "zh";
    foreach $l (@processed_langs) {
        print HTMLI "<tr>";
        printf HTMLI "<th><a href=\"%s#gettext\"><:=\$trans{\$CUR_ISO_LANG}{%s} :></a> (%s)</th>", $l, $lang, $l;
        $color_t = get_color ($percent_po_t{'total'}{$lang});
        $color_f = get_color (100 - $percent_po_f{'total'}{$lang});
        $color_u = get_color (100 - $percent_po_u{'total'}{$lang});
        printf HTMLI "<td style=\"background-color: %s\">%d</td><td>(%d%%)</td>", $color_t, $po_translated{'total'}{$lang},   $percent_po_t{'total'}{$lang};
        printf HTMLI "<td style=\"background-color: %s\">%d</td><td>(%d%%)</td>", $color_f, $po_fuzzy{'total'}{$lang},        $percent_po_f{'total'}{$lang};
        printf HTMLI "<td style=\"background-color: %s\">%d</td><td>(%d%%)</td>", $color_u, $po_untranslated{'total'}{$lang}, $percent_po_u{'total'}{$lang};
        print HTMLI "</tr>\n";
    }
}

print HTMLI "</tbody>";
print HTMLI "</table>\n";

print HTMLI '<address><gettext domain="stats">Created with</gettext> <a href="http://alioth.debian.org/scm/viewvc.php/webwml/stattrans.pl?view=markup&amp;root=webwml">webwml-stattrans</a></address>'."\n";
close (HTMLI);

print "done.\n" if ($config{'verbose'});

# Note:
#   Translated pages on ll.html may be higher than in index.html.
#   This is due to the fact that some english pages were removed.

# printf "%s\n", join ("\n", keys %version);
# printf "%s - %s\n", $version{'german/devel/index'}, $version{'english/devel/index'};