// graph-tool -- a general graph modification and manipulation thingy
//
// Copyright (C) 2006-2022 Tiago de Paula Peixoto <tiago@skewed.de>
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the Free
// Software Foundation; either version 3 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 Lesser General Public License for more
// details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.

#include "graph.hh"
#include "graph_tool.hh"
#include "random.hh"

#include <boost/python.hpp>

#define GRAPH_BLOCKMODEL_RMAP_ENABLE
#include "../blockmodel/graph_blockmodel_util.hh"
#include "../blockmodel/graph_blockmodel.hh"
#include "graph_blockmodel_layers_util.hh"
#define BASE_STATE_params BLOCK_STATE_params
#include "graph_blockmodel_layers.hh"
#include "../support/graph_state.hh"

using namespace boost;
using namespace graph_tool;

GEN_DISPATCH(block_state, BlockState, BLOCK_STATE_params)

template <class BaseState>
GEN_DISPATCH(layered_block_state, Layers<BaseState>::template LayeredBlockState,
             LAYERED_BLOCK_STATE_params)

void export_lsbm()
{
#ifdef GRAPH_BLOCKMODEL_LAYERS_ENABLE
    using namespace boost::python;

    class_<LayeredBlockStateVirtualBase, bases<>,
           std::shared_ptr<LayeredBlockStateVirtualBase>, boost::noncopyable>
        ("LayeredBlockStateVirtualBase", no_init);

    block_state::dispatch
        ([&](auto* bs)
         {
             typedef typename std::remove_reference<decltype(*bs)>::type block_state_t;

             layered_block_state<block_state_t>::dispatch
                 ([&](auto* s)
                  {
                      typedef typename std::remove_reference<decltype(*s)>::type state_t;

                      double (state_t::*virtual_move)(size_t, size_t, size_t, const entropy_args_t&) =
                          &state_t::virtual_move;
                      size_t (state_t::*sample_block)(size_t, double, double, rng_t&)
                          = &state_t::sample_block;
                      double (state_t::*get_move_prob)(size_t, size_t, size_t, double,
                                                       double, bool)
                          = &state_t::get_move_prob;
                      void (state_t::*set_partition)(boost::any&)
                          = &state_t::set_partition;
                      void (state_t::*move_vertices)(python::object, python::object) =
                          &state_t::move_vertices;
                      void (state_t::*remove_vertices)(python::object) =
                          &state_t::remove_vertices;
                      void (state_t::*add_vertices)(python::object, python::object) =
                          &state_t::add_vertices;
                      void (state_t::*couple_state)(LayeredBlockStateVirtualBase&,
                                                    const entropy_args_t&) =
                          &state_t::couple_state;

                      class_<state_t, bases<LayeredBlockStateVirtualBase>,
                             std::shared_ptr<state_t>>
                          c(name_demangle(typeid(state_t).name()).c_str(),
                            no_init);
                      c.def("remove_vertex", &state_t::remove_vertex)
                          .def("add_vertex", &state_t::add_vertex)
                          .def("move_vertex", &state_t::move_vertex)
                          .def("add_vertices", add_vertices)
                          .def("remove_vertices", remove_vertices)
                          .def("move_vertices", move_vertices)
                          .def("set_partition", set_partition)
                          .def("virtual_move", virtual_move)
                          .def("sample_block", sample_block)
                          .def("entropy", &state_t::entropy)
                          .def("get_partition_dl", &state_t::get_partition_dl)
                          .def("get_deg_dl", &state_t::get_deg_dl)
                          .def("get_move_prob", get_move_prob)
                          .def("couple_state", couple_state)
                          .def("decouple_state",
                               &state_t::decouple_state)
                          .def("get_B_E",
                               &state_t::get_B_E)
                          .def("get_B_E_D",
                               &state_t::get_B_E_D)
                          .def("get_layer",
                               +[](state_t& state, size_t l) -> python::object
                                {
                                    return python::object(block_state_t(state.get_layer(l)));
                                })
                          .def("reset_partition_stats",
                               &state_t::reset_partition_stats)
                          .def("init_partition_stats",
                               &state_t::init_partition_stats)
                          .def("clear_egroups",
                               &state_t::clear_egroups)
                          .def("sync_emat",
                               &state_t::sync_emat)
                          .def("sync_bclabel",
                               &state_t::sync_bclabel);
                  });
         });
#endif
}
