// -*- coding: utf-8 -*-
// Copyright (C) 2008, 2009, 2012, 2014, 2015 Laboratoire de Recherche
// et Développement de l'Epita (LRDE).
// Copyright (C) 2003, 2004 Laboratoire d'Informatique de
// Paris 6 (LIP6), département Systèmes Répartis Coopératifs (SRC),
// Université Pierre et Marie Curie.
//
// This file is part of Spot, a model checking library.
//
// Spot 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 3 of the License, or
// (at your option) any later version.
//
// Spot 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, see <http://www.gnu.org/licenses/>.

#include <iostream>
#include <cassert>
#include <cstdlib>
#include "ltlast/allnodes.hh"
#include "ltlparse/public.hh"
#include "tgbaalgos/product.hh"
#include "tgbaalgos/ltl2tgba_fm.hh"
#include "tgbaalgos/dotty.hh"

void
syntax(char* prog)
{
  std::cerr << prog << " formula1 formula2" << std::endl;
  exit(2);
}

int
main(int argc, char** argv)
{
  int exit_code = 0;

  if (argc != 3)
    syntax(argv[0]);

  {
    spot::ltl::environment& env(spot::ltl::default_environment::instance());

    spot::ltl::parse_error_list pel1;
    const spot::ltl::formula* f1 = spot::ltl::parse(argv[1], pel1, env);

    if (spot::ltl::format_parse_errors(std::cerr, argv[1], pel1))
      return 2;

    spot::ltl::parse_error_list pel2;
    const spot::ltl::formula* f2 = spot::ltl::parse(argv[2], pel2, env);

    if (spot::ltl::format_parse_errors(std::cerr, argv[2], pel2))
      return 2;

    auto dict = spot::make_bdd_dict();
    {
      auto a1 = spot::ltl_to_tgba_fm(f1, dict);
      auto a2 = spot::ltl_to_tgba_fm(f2, dict);
      f1->destroy();
      f2->destroy();
      spot::dotty_reachable(std::cout, product(a1, a2));
    }
  }
  assert(spot::ltl::atomic_prop::instance_count() == 0);
  assert(spot::ltl::unop::instance_count() == 0);
  assert(spot::ltl::binop::instance_count() == 0);
  assert(spot::ltl::multop::instance_count() == 0);
  return exit_code;
}
