#include <iostream>

#include <lemon/smart_graph.h>

#include <lemon/invalid.h>

#include <lemon/graph_reader.h>

#include <lemon/graph_writer.h>

using namespace lemon;

int main() {

  SmartGraph graph;

  try {

    std::string filename="sample.lgf";

    GraphReader<SmartGraph> reader(filename,graph);

    SmartGraph::EdgeMap<int> cap(graph);

    reader.readEdgeMap("capacity",cap);

//     reader.readNode("source",s).readNode("target",t)

//       .readEdgeMap("capacity",cap).run();

    reader.run();

    std::cout << "Hello! We have read a graph from file " << filename<< 

      " and some maps on it: now we write this to the standard output!" << 

      std::endl;

    GraphWriter<SmartGraph> writer(std::cout, graph);

    writer.writeEdgeMap("multiplicity", cap);

//     writer.writeNode("source", s);

//     writer.writeNode("target", t);

    writer.run();

//     LemonReader reader(std::cin);

//     NodeSetReader<SmartGraph> nodeset(reader, graph);

//     SmartGraph::NodeMap<int> cost(graph);

//     nodeset.readMap("cost", cost);

//     SmartGraph::NodeMap<char> mmap(graph);

//     nodeset.readMap("mmap", mmap);

//     EdgeSetReader<SmartGraph> edgeset(reader, graph, nodeset);

//     SmartGraph::EdgeMap<std::string> description(graph);

//     edgeset.readMap<QuotedStringReader>("description", description);

//     NodeReader<SmartGraph> nodes(reader, nodeset);

//     SmartGraph::Node source;

//     nodes.readNode("source", source);

//     SmartGraph::Node target;

//     nodes.readNode("target", target);

//     AttributeReader<> attribute(reader, "gui");

//     std::string author;

//     attribute.readAttribute<LineReader>("author", author);

//     int count;

//     attribute.readAttribute("count", count);

//     PrintReader print(reader);

//     reader.run();

//     for (SmartGraph::NodeIt it(graph); it != INVALID; ++it) {

//       std::cout << cost[it] << ' ' << mmap[it] << std::endl;

//     }

//     for (SmartGraph::EdgeIt it(graph); it != INVALID; ++it) {

//       std::cout << description[it] << std::endl;

//     }

//     std::cout << "author: " << author << std::endl;

//     std::cout << "count: " << count << std::endl;

//     std::cout << "source cost: " << cost[source] << std::endl;

//     std::cout << "target cost: " << cost[target] << std::endl;

//     std::cout.flush();

  } catch (DataFormatError& error) {

    std::cerr << error.what() << std::endl;

  }

  return 0;

}