#!/usr/bin/perl -s

our ($l,$t);

#use POSIX qw(locale_h);
#setlocale(&POSIX::LC_ALL, "pt_PT");
#use encoding "utf8", STDIN => "latin1";
use Unicode::Collate;
my $ptsort = Unicode::Collate::->new();

use Data::Dumper;
use strict;
my $meta={};
my $T = {};
my %desc=();
my %inv=qw( 
  nt bt 
  bt nt 
  has pof 
  pof has 
  iof inst 
  inst iof
  rt rt
);

my $name=$ARGV[0];

for my $f(@ARGV){ procFile($f); }
geraThe({output=>"_$name.the"});
geraTex({output=>"_$name.tex"})  if $t;
geraList({output=>"_$name.list"}) if $l;

sub procFile{
  my $file=shift;
  my $f;
  open ($f,$file) or die ("cant open $file\n");
  while(<$f>){
   my @l=();
   s/\s*$//;
   if(/^#/ or /^$/){ next}

   if      (/^%the(?:saurus)?(.*)/)    { 
      my $a=$1;
      while($a !~ m/\)\s*$/){ $a .= <$f>; }
      geratrans($a); } 
##   elsif   (/^%include\s*"(.*?)"/)     { procFile($1); }
   elsif   (/^%enc(?:oding)?\s*(\S+)/) { binmode($f,":encoding($1)") 
              or warn("cant binmode ($!)\n"); } 
   elsif   (/^%desc\s+(\S+)\s+(.*)/)   { $desc{$1} = $2; } 
   elsif   (/^%inv(?:erse)?\s+(\S+)\s+(\S+)/) { $inv{$1} = $2; } 
   elsif   (/^%(.*)/) { warn("????:Erro: $_\n") } 
   else{ @l = map { [split(/\s*\|\s*/, $_ ) ] } split(/\s*:\s*/,$_); 
         addthe($meta,@l); 
       }
  }
  close $f;
}

sub addthe{
  my ($m,@tup)=@_;
  my $t = shift(@{$tup[0]});
  for(keys %{$m->{type}}){
     for my $v ( @{$tup[$_]}){
        add3($v,"bt", $m->{type}{$_});
     } 
  }
  for(0.. scalar(@{$m->{rel}})-1){
     for my $v ( @{$tup[$_]}){
         add3($t,$m->{rel}[$_],$v);
         for(keys %{$meta->{add}}){
           add3($t,$_,$meta->{add}{$_});
         }
     }
  }
}

sub add3{ my ($t1,$r,$t2)=@_;
 $T->{$t1}{$r      }{$t2}=1;
 $T->{$t2}{$inv{$r}}{$t1}=1 if $inv{$r};
}

sub geratrans{ my $arg=shift;
  $arg =~ s/^\s*\(?\s*//;
  $arg =~ s/\s*\)\s*$//;
  my $n=0;
  for(split(/\s*:\s*/,$arg)){
    if(/(.*?)\s*<\s*(.*)/){  
             $meta->{type}{$n}=$2;
             push(@{$meta->{rel}},$1); }
    elsif(/(.*?)\s*=>\s*(.*)/){ 
             $meta->{add}{$1}=$2;
             push(@{$meta->{rel}},$1); }
    else{    push(@{$meta->{rel}},$_); }
    $n++;
  }
}

sub geraList{
  my %opt =(output => "_output.the");
  if(ref($_[0]) eq "HASH") {%opt = (%opt, %{shift(@_)})};
  open (F ,">$opt{output}");
  binmode(F,":utf8");
  for (sort( keys %$T)){ print F "$_\n"}
  close F
}

sub geraThe{
#  use locale;
  my %opt =(output => "_output.the");
  if(ref($_[0]) eq "HASH") {%opt = (%opt, %{shift(@_)})};
  open (F ,">$opt{output}");
  binmode(F,":utf8");
  print  F qq{
%enc utf8

};
  for (keys %inv) { print F "%inv $_ $inv{$_}\n"; }
  for (keys %desc){ print F "%desc $_ $desc{$_}\n"; }

  for my $t ($ptsort->sort( keys %$T)){
     print F "\n$t\n";
     for my $r (keys %{$T->{$t}}){
        for my $t2 ($ptsort->sort( keys %{$T->{$t}{$r}})){
          print F "$r $t2\n";
        }
     }
  }
  close F;
}

sub geraTex{
#  use locale;
  my %opt =(output => "_output.tex");
  if(ref($_[0]) eq "HASH") {%opt = (%opt, %{shift(@_)})};
  open (F ,">$opt{output}");
  binmode(F,":utf8");
  if($opt{style} eq "agenda"){ 
    print  F q{
\documentclass[portuges,a4paper]{article}
\usepackage{agbook}
}
}
  else {
    print  F q{
\documentclass[portuges,a4paper,twocolumn]{book}
}
}
  print  F q{
\usepackage{babel}
\usepackage[utf8]{inputenc} 
%\usepackage[latin1]{inputenc} 
\usepackage{dict}
\usepackage{t1enc}
\usepackage{aeguill}
\begin{document}
};

  print F "\\begin{dictionary}\n";
  my $last="";
  for my $t ($ptsort->sort( keys %$T)){
     my $fl = unaccent(substr($t,0,1));
     if($fl ne $last){print F "\\bigletterc{$fl}\n"; $last = $fl }
     print  F "\n\\term{",ppttex($t),"}{";
     for my $r (keys %{$T->{$t}}){
        print F "\\\\\\textbf{",ppttex($r),"} ";
        for my $t2 ($ptsort->sort( keys %{$T->{$t}{$r}})){
          print F ppttex($t2),", ";
        }
     }
     print F "}\n";
  }
  print F "\\end{dictionary}\n\\end{document}";
  close F;
}
sub ppttex{ my $a=shift; $a =~ s/([_\$\%\#\&])/\\$1/g; $a; }

sub unaccent{ my $a=shift; 
 use utf8;
 $a =~ y/áéíóúàèìòùâêîôûÁÉÍÓÚÂÊÎÔÛ/aeiouaeiouaeiouaeiouaeiou/; uc($a); }