/* -*- C++ -*-

  *

  * This file is a part of LEMON, a generic C++ optimization library

  *

  * Copyright (C) 2003-2006

  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

  * (Egervary Research Group on Combinatorial Optimization, EGRES).

  *

  * Permission to use, modify and distribute this software is granted

  * provided that this copyright notice appears in all copies. For

  * precise terms see the accompanying LICENSE file.

  *

  * This software is provided "AS IS" with no warranty of any kind,

  * express or implied, and with no claim as to its suitability for any

  * purpose.

  *

  */

 #include "mapstorage.h"

 #include "gui_writer.h"

 #include "gui_reader.h"

 #include <limits>

 #include <cmath>

 #include <gtkmm.h>

 MapStorage::MapStorage() : modified(false), file_name(""), arrow_pos_read_ok(false)

 {

   nodemap_storage["coordinates_x"] = new Graph::NodeMap<double>(graph);

   coords.setXMap(*nodemap_storage["coordinates_x"]);

   nodemap_storage["coordinates_y"] = new Graph::NodeMap<double>(graph);

   coords.setYMap(*nodemap_storage["coordinates_y"]);

   edgemap_storage["arrow_pos_x"] = new Graph::EdgeMap<double>(graph);

   arrow_pos.setXMap(*edgemap_storage["arrow_pos_x"]);

   edgemap_storage["arrow_pos_y"] = new Graph::EdgeMap<double>(graph);

   arrow_pos.setYMap(*edgemap_storage["arrow_pos_y"]);

   nodemap_storage["label"] = new Graph::NodeMap<double>(graph);

   edgemap_storage["label"] = new Graph::EdgeMap<double>(graph);

   nodemap_default["label"] = 1.0;

   edgemap_default["label"] = 1.0;

   active_nodemaps.resize(NODE_PROPERTY_NUM);

   for(int i=0;i<NODE_PROPERTY_NUM;i++)

     {

       active_nodemaps[i]="";

     }

   active_edgemaps.resize(EDGE_PROPERTY_NUM);

   for(int i=0;i<EDGE_PROPERTY_NUM;i++)

     {

       active_edgemaps[i]="";

     }

 }

 MapStorage::~MapStorage()

 {

   for (std::map<std::string, Graph::NodeMap<double>*>::const_iterator it =

       nodemap_storage.begin(); it != nodemap_storage.end(); ++it)

   {

     delete it->second;

   }

   for (std::map<std::string, Graph::EdgeMap<double>*>::const_iterator it =

       edgemap_storage.begin(); it != edgemap_storage.end(); ++it)

   {

     delete it->second;

   }

 }

 int MapStorage::addNodeMap(const std::string & name, Graph::NodeMap<double> *nodemap, double default_value)

 {

   if( nodemap_storage.find(name) == nodemap_storage.end() )

     {

       nodemap_storage[name]=nodemap;

       // set the maps default value

       nodemap_default[name] = default_value;

       //announce changement in maps

       signal_node_map.emit(name);

       return 0;

     }

   return 1;

 }

 void MapStorage::changeActiveMap(bool itisedge, int prop, std::string mapname)

 {

   if(itisedge)

     {

       active_edgemaps[prop]=mapname;

     }

   else

     {

       active_nodemaps[prop]=mapname;

     }

   signal_prop.emit(itisedge, prop);

 }

 void MapStorage::broadcastActiveMaps()

 {

   for(int i=0;i<NODE_PROPERTY_NUM;i++)

     {

       signal_map_win.emit(false, i, active_nodemaps[i]);

     }

   for(int i=0;i<EDGE_PROPERTY_NUM;i++)

     {

       signal_map_win.emit(true, i, active_edgemaps[i]);

     }

 }

 std::string MapStorage::getActiveEdgeMap(int prop)

 {

   return active_edgemaps[prop];

 }

 std::string MapStorage::getActiveNodeMap(int prop)

 {

   return active_nodemaps[prop];

 }

 std::vector<std::string> MapStorage::getEdgeMapList()

 {

   std::vector<std::string> eml;

   eml.resize(edgemap_storage.size());

   int i=0;

   std::map< std::string,Graph::EdgeMap<double> * >::iterator emsi=beginOfEdgeMaps();

   for(;emsi!=endOfEdgeMaps();emsi++)

     {

       eml[i]=(emsi->first);

       i++;

     }

   return eml;

 }

 std::vector<std::string> MapStorage::getNodeMapList()

 {

   std::vector<std::string> nml;

   nml.resize(nodemap_storage.size());

   int i=0;

   std::map< std::string,Graph::NodeMap<double> * >::iterator nmsi=beginOfNodeMaps();

   for(;nmsi!=endOfNodeMaps();nmsi++)

     {

       nml[i]=(nmsi->first);

       i++;

     }

   return nml;

 }

 MapStorage::Signal_Prop MapStorage::signal_prop_ch()

 {

   return signal_prop;

 }

 int MapStorage::addEdgeMap(const std::string & name, Graph::EdgeMap<double> *edgemap, double default_value)

 {

   if( edgemap_storage.find(name) == edgemap_storage.end() )

     {

       edgemap_storage[name]=edgemap;

       // set the maps default value

       edgemap_default[name] = default_value;

       //announce changement in maps

       signal_edge_map.emit(name);

       return 0;

     }

   return 1;

 }

 double MapStorage::maxOfNodeMap(const std::string & name)

 {

   double max=0;

   for (NodeIt j(graph); j!=INVALID; ++j)

   {

     if( (*nodemap_storage[name])[j]>max )

     {

       max=(*nodemap_storage[name])[j];

     }

   }

   return max;

 }

 double MapStorage::maxOfEdgeMap(const std::string & name)

 {

   double max=0;

   for (EdgeIt j(graph); j!=INVALID; ++j)

   {

     if( (*edgemap_storage[name])[j]>max )

     {

       max=(*edgemap_storage[name])[j];

     }

   }

   return max;

 }

 double MapStorage::minOfNodeMap(const std::string & name)

 {

   NodeIt j(graph);

   double min;

   if(j!=INVALID)

     {

       min=(*nodemap_storage[name])[j];

     }

   else

     {

       min=0;

     }

   for (; j!=INVALID; ++j)

   {

     if( (*nodemap_storage[name])[j]<min )

     {

       min=(*nodemap_storage[name])[j];

     }

   }

   return min;

 }

 double MapStorage::minOfEdgeMap(const std::string & name)

 {

   EdgeIt j(graph);

   double min;

   if(j!=INVALID)

     {

       min=(*edgemap_storage[name])[j];

     }

   else

     {

       min=0;

     }

   for (EdgeIt j(graph); j!=INVALID; ++j)

   {

     if( (*edgemap_storage[name])[j]<min )

     {

       min=(*edgemap_storage[name])[j];

     }

   }

   return min;

 }

 int MapStorage::readFromFile(const std::string &filename)

 {

   bool read_x = false;

   bool read_y = false;

   bool read_edge_id = false;

   try {

     LemonReader lreader(filename);

     ContentReader content(lreader);

     lreader.run();

     if (content.nodeSetNum() < 1)

     {

       Gtk::MessageDialog mdialog("No nodeset found in file.");

       mdialog.run();

       clear();

       return 1;

     }

     if (content.edgeSetNum() < 1)

     {

       Gtk::MessageDialog mdialog("No edgeset found in file.");

       mdialog.run();

       clear();

       return 1;

     }

     const std::vector<std::string>& nodeMapNames = content.nodeSetMaps(0);

     const std::vector<std::string>& edgeMapNames = content.edgeSetMaps(0);

     GraphReader<Graph> greader(filename, graph);

     for (std::vector<std::string>::const_iterator it = nodeMapNames.begin();

         it != nodeMapNames.end(); ++it)

     {

       if (*it == "coordinates_x")

       {

         read_x = true;

         //std::cout << "read X nodemap" << std::endl;

       }

       else if (*it == "coordinates_y")

       {

         read_y = true;

         //std::cout << "read Y nodemap" << std::endl;

       }

       else if (*it == "label")

       {

         //std::cout << "read id nodemap" << std::endl;

       }

       else

       {

         nodemap_storage[*it] = new Graph::NodeMap<double>(graph);

         //std::cout << "read " << *it << " nodemap" << std::endl;

       }

       greader.readNodeMap(*it, *nodemap_storage[*it]);

     }

     for (std::vector<std::string>::const_iterator it = edgeMapNames.begin();

         it != edgeMapNames.end(); ++it)

     {

       if (*it == "label")

       {

         //std::cout << "read id edgemap" << std::endl;

         read_edge_id = true;

       }

       else

       {

         edgemap_storage[*it] = new Graph::EdgeMap<double>(graph);

         //std::cout << "read " << *it << " edgemap" << std::endl;

       }

       greader.readEdgeMap(*it, *edgemap_storage[*it]);

     }

     GuiReader gui_reader(greader, this);

     greader.run();

   } catch (Exception& error) {

     Gtk::MessageDialog mdialog(error.what());

     mdialog.run();

     clear();

     return 1;

   }

   if (!read_edge_id)

   {

     edgemap_storage["label"] = new Graph::EdgeMap<double>(graph);

     int i = 1;

     for (EdgeIt e(graph); e != INVALID; ++e)

     {

       (*edgemap_storage["label"])[e] = i++;

     }

   }

   if (!read_x || !read_y)

   {

     int node_num = 0;

     for (NodeIt n(graph); n != INVALID; ++n)

     {

       node_num++;

     }

     const double pi = 3.142;

     double step = 2 * pi / (double) node_num;

     int i = 0;

     for (NodeIt n(graph); n != INVALID; ++n)

     {

       nodemap_storage["coordinates_x"]->set(n, 250.0 * std::cos(i * step));

       nodemap_storage["coordinates_y"]->set(n, 250.0 * std::sin(i * step));

       i++;

     }

   }

   if (!arrow_pos_read_ok)

   {

     arrow_pos_read_ok = false;

     for (EdgeIt e(graph); e != INVALID; ++e)

     {

       if (graph.source(e) == graph.target(e))

       {

         arrow_pos.set(e, coords[graph.source(e)] + XY(0.0, 80.0));

       }

       else

       {

         arrow_pos.set(e, (coords[graph.source(e)] + coords[graph.target(e)]) / 2.0);

       }

     }

   }

   // fill in the default values for the maps

   for (std::map<std::string, Graph::NodeMap<double>*>::const_iterator it =

       nodemap_storage.begin(); it != nodemap_storage.end(); ++it)

   {

     if ((it->first != "label") &&

         (it->first != "coordiantes_x") &&

         (it->first != "coordinates_y"))

     {

       nodemap_default[it->first] = 0.0;

     }

     else if (it->first == "label")

     {

       NodeIt n(graph);

       double max = (*nodemap_storage["label"])[n];

       for (; n != INVALID; ++n)

       {

         if ((*nodemap_storage["label"])[n] > max)

           max = (*nodemap_storage["label"])[n];

       }

       nodemap_default["label"] = max + 1.0;

     }

   }

   for (std::map<std::string, Graph::EdgeMap<double>*>::const_iterator it =

       edgemap_storage.begin(); it != edgemap_storage.end(); ++it)

   {

     if (it->first != "label")

     {

       edgemap_default[it->first] = 0.0;

     }

     else

     {

       double max = std::numeric_limits<double>::min();

       for (EdgeIt e(graph); e != INVALID; ++e)

       {

         if ((*edgemap_storage["label"])[e] > max)

           max = (*edgemap_storage["label"])[e];

       }

       if (max > std::numeric_limits<double>::min())

         edgemap_default["label"] = max + 1.0;

       else

         edgemap_default["label"] = 1.0;

     }

   }

   return 0;

 }

 void MapStorage::writeToFile(const std::string &filename)

 {

   GraphWriter<Graph> gwriter(filename, graph);

   for (std::map<std::string, Graph::NodeMap<double>*>::const_iterator it =

       nodemap_storage.begin(); it != nodemap_storage.end(); ++it)

   {

     gwriter.writeNodeMap(it->first, *(it->second));

   }

   for (std::map<std::string, Graph::EdgeMap<double>*>::const_iterator it =

       edgemap_storage.begin(); it != edgemap_storage.end(); ++it)

   {

     if ((it->first != "arrow_pos_x") &&

         (it->first != "arrow_pos_y"))

     {

       gwriter.writeEdgeMap(it->first, *(it->second));

     }

   }

   GuiWriter gui_writer(gwriter, this);

   gwriter.run();

 }

 void MapStorage::clear()

 {

   for (std::map<std::string, Graph::NodeMap<double>*>::iterator it =

       nodemap_storage.begin(); it != nodemap_storage.end(); ++it)

   {

     if ((it->first != "coordinates_x") &&

         (it->first != "coordinates_y") &&

         (it->first != "label"))

     {

       delete it->second;

       nodemap_storage.erase(it);

     }

   }

   for (std::map<std::string, Graph::EdgeMap<double>*>::iterator it =

       edgemap_storage.begin(); it != edgemap_storage.end(); ++it)

   {

     if ((it->first != "label") &&

         (it->first != "arrow_pos_x") &&

         (it->first != "arrow_pos_y"))

     {

       delete it->second;

       edgemap_storage.erase(it);

     }

   }

   for (std::map<std::string, double>::iterator it =

       nodemap_default.begin(); it != nodemap_default.end(); ++it)

   {

     if (it->first != "label")

       nodemap_default.erase(it);

   }

   for (std::map<std::string, double>::iterator it =

       edgemap_default.begin(); it != edgemap_default.end(); ++it)

   {

     if (it->first != "label")

       edgemap_default.erase(it);

   }

   graph.clear();

   file_name = "";

   modified = false;

   arrow_pos_read_ok = false;

   for(int i=0;i<NODE_PROPERTY_NUM;i++)

     {

       changeActiveMap(false, i, "");

       signal_map_win.emit(false, i, "");

     }

   for(int i=0;i<EDGE_PROPERTY_NUM;i++)

     {

       changeActiveMap(true, i, "");

       signal_map_win.emit(true, i, "");

     }

 }

 void MapStorage::ArrowPosReadOK()

 {

   arrow_pos_read_ok = true;

 }

 void MapStorage::mapChanged(bool itisedge, std::string mapname)

 {

   if(itisedge)

     {

       for(int i=0;i<EDGE_PROPERTY_NUM;i++)

 	{

 	  if(active_edgemaps[i]==mapname)

 	    {

 	      signal_prop.emit(itisedge, i);

 	    }

 	}

     }

   else

     {

       for(int i=0;i<NODE_PROPERTY_NUM;i++)

 	{

 	  if(active_nodemaps[i]==mapname)

 	    {

 	      signal_prop.emit(itisedge, i);

 	    }

 	}

     }

 }