#include <algobox.h>

enum {N_DEMO1, N_DEMO2, NODE_INPUT_NUM}; // input IDs for nodes;
enum {E_DEMO1, EDGE_INPUT_NUM}; // input IDs for edges;

AlgoBox::AlgoBox(std::vector<std::string> tabnames)
{
  init(tabnames);
}

void AlgoBox::init(std::vector<std::string> tabnames)
{
  set_spacing(5);

  update_tablist(tabnames);

  //if active tab is changed, the map names in cbt/s have to be updated
  tabcbt.signal_changed().connect(sigc::mem_fun(*this, &AlgoBox::emit_tab_change));

  pack_start(tabcbt);
  build_box();

  show_all_children();
};

void AlgoBox::update_cbt(std::vector< std::string > stringlist, Gtk::ComboBoxText & cbt)
{
  std::string actname=cbt.get_active_text();
  int prev_act=-1;

  cbt.clear();
  int actptr=0;

  std::vector< std::string >::iterator emsi=stringlist.begin();
  for(;emsi!=stringlist.end();emsi++)
    {
      if(actname==*emsi)
	{
	  prev_act=actptr;
	}

      cbt.append_text(*emsi);
      actptr++;
    }

  if(prev_act!=-1)
    {
      cbt.set_active(prev_act);
    }
  else if(actptr>0) //so there is item in the list
    {
      //cbt.set_active(0);
    }
}

void AlgoBox::update_tablist( std::vector< std::string > tl )
{
  update_cbt(tl, tabcbt);
  emit_tab_change();
}

void AlgoBox::update_maplist( void * ms)
{
  mapstorage=(MapStorage *)ms;
  std::vector<std::string> nml;
  std::vector<std::string> eml;
  if(mapstorage!=NULL)
    {
      mapstorage->signal_node_map_ch().connect(sigc::mem_fun(*this, &AlgoBox::nodemaplist_changed));
      mapstorage->signal_edge_map_ch().connect(sigc::mem_fun(*this, &AlgoBox::edgemaplist_changed));
      nml=mapstorage->getNodeMapList();
      eml=mapstorage->getNodeMapList();
    }
  for(int i=0;i<(int)nodemapcbts.size();i++)
    {
      update_cbt(nml, *(nodemapcbts[i]));
    }
  for(int i=0;i<(int)edgemapcbts.size();i++)
    {
      update_cbt(eml, *(edgemapcbts[i]));
    }
}

void AlgoBox::nodemaplist_changed(std::string newmap)
{
  for(int i=0;i<(int)nodemapcbts.size();i++)
    {
      (nodemapcbts[i])->append_text(newmap);
    }
}

void AlgoBox::edgemaplist_changed(std::string newmap)
{
  for(int i=0;i<(int)edgemapcbts.size();i++)
    {
      (edgemapcbts[i])->append_text(newmap);
    }
}

void AlgoBox::run()
{
  std::cout << "Start algorithm." << std::endl;
}

void AlgoBox::build_box()
{
  pack_start(*(new Gtk::HSeparator()));

  label=new Gtk::Label("Specific part for each algorithm.");
      
  pack_start(*label);
  pack_start(*(new Gtk::HSeparator()));

  label=new Gtk::Label("Maps in chosen tab:");
      
  pack_start(*label);

  nodemapcbts.resize(NODE_INPUT_NUM);
  for(int i=0;i<(int)nodemapcbts.size();i++)
    {
      Gtk::HBox * hbox=new Gtk::HBox();

      std::ostringstream o;
      o << "NodeInput " << i+1 << ":";
      label=new Gtk::Label(o.str());

      nodemapcbts[i]=new Gtk::ComboBoxText();

      hbox->pack_start(*label);
      hbox->pack_start(*(nodemapcbts[i]));
      pack_start(*hbox);
    }

  pack_start(*(new Gtk::HSeparator()));

  edgemapcbts.resize(EDGE_INPUT_NUM);
  for(int i=0;i<(int)edgemapcbts.size();i++)
    {
      Gtk::HBox * hbox=new Gtk::HBox();

      std::ostringstream o;
      o << "EdgeInput " << i+1 << ":";
      label=new Gtk::Label(o.str());

      edgemapcbts[i]=new Gtk::ComboBoxText();

      hbox->pack_start(*label);
      hbox->pack_start(*(edgemapcbts[i]));
      pack_start(*hbox);
    }

  pack_start(*(new Gtk::HSeparator()));
}

sigc::signal<void, std::string> AlgoBox::signal_maplist_needed()
{
  return signal_maplist_need;
}

void AlgoBox::emit_tab_change()
{
  std::string active_tab=tabcbt.get_active_text();
  if(active_tab!="")
    {
      signal_maplist_need.emit(active_tab);
    }
  else
    {
      std::vector<std::string> empty_vector;
      update_maplist(NULL);
    }
}