// 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 2 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 Spot; see the file COPYING.  If not, write to the Free
// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.

#include "eesrg.hh"
#include "tgbaalgos/dotty.hh"
#include "tgba/tgbaexplicit.hh"
#include "tgbaparse/public.hh"
#include "tgbaalgos/ltl2tgba_fm.hh"
#include "tgbaalgos/emptinesscheck.hh"
#include "ltlparse/public.hh"
#include "ltlvisit/destroy.hh"
#include "tgba/tgbaproduct.hh"

int
main(int argc, char **argv)
  try
    {
      spot::gspn_environment env;

      if (argc <= 4)
	{
	  std::cerr << "usage: " << argv[0]
		    << " model ltlformula automata props..."
		    << std::endl;
	  exit(1);
	}

      while (argc > 4)
	env.declare(argv[--argc]);

      spot::ltl::parse_error_list pel;
      spot::ltl::formula* f = spot::ltl::parse(argv[2], pel, env);
      if (spot::ltl::format_parse_errors(std::cerr, argv[2], pel))
	exit(2);

      spot::gspn_eesrg_interface gspn(2, argv);
      spot::bdd_dict* dict = new spot::bdd_dict();

      spot::tgba_parse_error_list pel1;
      spot::tgba_explicit* control = spot::tgba_parse(argv[3], pel1,
						      dict, env);
      if (spot::format_tgba_parse_errors(std::cerr, pel1))
	return 2;

      spot::tgba* a_f = spot::ltl_to_tgba_fm(f, dict);
      spot::ltl::destroy(f);

      spot::tgba_product* prod = new spot::tgba_product(control, a_f);


      {
	spot::tgba_gspn_eesrg a(dict, env, prod);

	spot::emptiness_check ec(&a);
	bool res = ec.check();
	if (!res)
	  {
	    ec.counter_example();
	    ec.print_result(std::cout, &a);
	    exit(1);
	  }
	else
	  {
	    std::cout << "empty" << std::endl;
	  }
      }

      delete prod;
      delete a_f;
      delete control;
      delete dict;
    }
  catch (spot::gspn_exeption e)
    {
      std::cerr << e << std::endl;
      throw;
    }