// graph-tool -- a general graph modification and manipulation thingy
//
// Copyright (C) 2006-2021 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_filtering.hh"

#include "graph.hh"
#include "graph_selectors.hh"
#include "graph_properties.hh"

#include "graph_clustering.hh"

#include "random.hh"

#include <boost/python.hpp>

using namespace std;
using namespace boost;
using namespace graph_tool;

boost::python::tuple global_clustering(GraphInterface& g, boost::any weight)
{
    typedef UnityPropertyMap<size_t,GraphInterface::edge_t> weight_map_t;
    typedef boost::mpl::push_back<edge_scalar_properties, weight_map_t>::type
        weight_props_t;

    if (!weight.empty() && !belongs<edge_scalar_properties>()(weight))
        throw ValueException("weight edge property must have a scalar value type");

    if(weight.empty())
        weight = weight_map_t();

    boost::python::tuple oret;
    run_action<graph_tool::detail::never_directed>()
        (g,
         [&](auto&& graph, auto&& a2)
         {
             auto ret = get_global_clustering(std::forward<decltype(graph)>(graph),
                                              std::forward<decltype(a2)>(a2));
             oret = boost::python::make_tuple(get<0>(ret), get<1>(ret),
                                              get<2>(ret), get<3>(ret));
         },
         weight_props_t())(weight);
    return oret;
}

void local_clustering(GraphInterface& g, boost::any prop, boost::any weight)
{
    typedef UnityPropertyMap<size_t,GraphInterface::edge_t> weight_map_t;
    typedef boost::mpl::push_back<edge_scalar_properties, weight_map_t>::type
        weight_props_t;

    if (!weight.empty() && !belongs<edge_scalar_properties>()(weight))
        throw ValueException("weight edge property must have a scalar value type");

    if(weight.empty())
        weight = weight_map_t();

    run_action<>()
        (g,
         [&](auto&& graph, auto&& a2, auto&& a3)
         {
             set_clustering_to_property(std::forward<decltype(graph)>(graph),
                                        std::forward<decltype(a2)>(a2),
                                        std::forward<decltype(a3)>(a3));
         },
         weight_props_t(), writable_vertex_scalar_properties())(weight, prop);
}

using namespace boost::python;

void extended_clustering(GraphInterface& g, boost::python::list props);
void get_motifs(GraphInterface& g, size_t k, boost::python::list subgraph_list,
                boost::python::list hist, boost::python::list pvmaps, bool collect_vmaps,
                boost::python::list p, bool comp_iso, bool fill_list, rng_t& rng);

BOOST_PYTHON_MODULE(libgraph_tool_clustering)
{
    docstring_options dopt(true, false);
    def("global_clustering", &global_clustering);
    def("local_clustering", &local_clustering);
    def("extended_clustering", &extended_clustering);
    def("get_motifs", &get_motifs);
}
