#include <boost/config.hpp>
#include <iostream>                         // for std::cout
#include <utility>                          // for std::pair
#include <algorithm>                        // for std::for_each
#include <boost/utility.hpp>                // for boost::tie
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/graphviz.hpp>



#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>

using namespace boost;


#include <boost/range/iterator_range.hpp>
#include <type_traits>

template<class T> using Invoke = typename T::type
template<class T> using RemoveRef = Invoke<std::remove_reference>;
template<class G> using OutEdgeIterator = typename boost::graph_traits<G>::out_edge_iterator;

template<class V, class G>
auto out_edges_range(V&& v, G&& g)
  -> boost::iterator_range<OutEdgeIterator<RemoveRef<G>>>
{
  auto edge_pair = out_edges(std::forward<V>(v), std::forward<G>(g));
  return boost::make_iterator_range(edge_pair.first, edge_pair.second);
}



template <class Graph> struct exercise_vertex {
  exercise_vertex(Graph& g_, const char name_[]) : g(g_),name(name_) { }
  typedef typename graph_traits<Graph>::vertex_descriptor Vertex;
  void operator()(const Vertex& v) const
  {
    using namespace boost;
    typename property_map<Graph, vertex_index_t>::type
      vertex_id = get(vertex_index, g);
    std::cout << "vertex: " << name[get(vertex_id, v)] << std::endl;

    std::cout << "\tout-edges: ";

    /*for (auto &e : out_edges(v, g)){
        std::cout<<"!";
    }
    //*/

    typename boost::graph_traits<Graph>::out_edge_iterator out_i, out_end;
    typename boost::graph_traits<Graph>::edge_descriptor e;
    for (std::tie(out_i, out_end) = out_edges(v, g);
         out_i != out_end; ++out_i)
    {
      e = *out_i;
      Vertex src = source(e, g), targ = target(e, g);
      std::cout << "(" << name[get(vertex_id, src)]
                << "," << name[get(vertex_id, targ)] << ") ";
    }
    std::cout << std::endl;

  }
  Graph& g;
  const char *name;
};


int main(int,char*[])
{
  typedef adjacency_list<vecS, vecS, bidirectionalS,
     no_property, property<edge_weight_t, float> > Graph;

  enum { A, B, C, D, E, N };
  const int num_vertices = N;
  const char name[] = "ABCDE";

  typedef std::pair<int,int> Edge;
  Edge edge_array[] =
  { Edge(A,B), Edge(A,D), Edge(C,A), Edge(D,C),
    Edge(C,E), Edge(B,D), Edge(D,E), };
  const int num_edges = sizeof(edge_array)/sizeof(edge_array[0]);

  float transmission_delay[] = { 1.2, 4.5, 2.6, 0.4, 5.2, 1.8, 3.3, 9.1 };


  Graph g(edge_array, edge_array + num_edges,
          transmission_delay, num_vertices);

  std::for_each(vertices(g).first, vertices(g).second,
                exercise_vertex<Graph>(g, name));


  return 0;
}