// -*- coding: utf-8 -*-
// Copyright (C) 2014 Laboratoire de Recherche et
// Développement de l'Epita (LRDE).
//
// 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 "misc/timer.hh"
#include "ltlvisit/apcollect.hh"
#include "tgbaalgos/dtgbacomp.hh"
#include "tgbaalgos/stutter_invariance.hh"
#include "tgbaalgos/randomgraph.hh"
#include "tgbaalgos/dotty.hh"
#include "tgbaalgos/product.hh"
#include "tgbaalgos/stutterize.hh"
#include "tgbaalgos/closure.hh"
#include "tgba/tgbagraph.hh"
#include "tgba/bdddict.hh"
#include <cstdio>
#include <cstring>
#include <vector>

int
main()
{
  spot::bdd_dict_ptr dict = spot::make_bdd_dict();
  spot::tgba_digraph_ptr a;
  spot::tgba_digraph_ptr na;
  unsigned n = 10;
  for (unsigned states_n = 1; states_n <= 50; ++states_n)
    for (float d = 0; d <= 1; d += 0.1)
      {
        for (unsigned props_n = 1; props_n <= 4; ++props_n)
          {
            // random ap set
            auto ap = spot::ltl::create_atomic_prop_set(props_n);

            // ap set as bdd
            bdd apdict = bddtrue;
            for (auto& i: ap)
              apdict &= bdd_ithvar(dict->register_proposition(i, a));

            // generate n random automata
            typedef std::pair<spot::tgba_digraph_ptr, spot::tgba_digraph_ptr>
              aut_pair_t;
            std::vector<aut_pair_t> vec;
            for (unsigned i = 0; i < n; ++i)
              {
                a = spot::random_graph(states_n, d, &ap, dict, 2, 0.1, 0.5,
                                       true);
                na = spot::dtgba_complement(a);
                vec.push_back(aut_pair_t(a, na));
              }

            for (int algo = 1; algo <= 8; ++algo)
              {
                // Copy vec, because is_stutter_invariant modifies the
                // automata.
                std::vector<aut_pair_t> dup(vec);
                spot::stopwatch sw;
                sw.start();
                bool res;
                for (auto& a: dup)
                  res = spot::is_stutter_invariant(std::move(a.first),
                                                   std::move(a.second),
                                                   apdict, algo);
                auto time = sw.stop() / n;
                std::cout << algo << ',' << props_n << ',' << states_n
                          << ',' << res << ',' << time << '\n';
              }
            spot::ltl::destroy_atomic_prop_set(ap);
          }
      }

  return 0;
}
