#include "../include/animorph/BodySettings.h"

using namespace std;
using namespace Animorph;

bool BodySettings::load (const std::string& filename)
{
  FileReader file_reader;

  file_reader.open (filename);

  if (!file_reader)
    return false;

  fromStream (file_reader);

  return true;
}

bool BodySettings::save (const std::string& filename)
{
  FileWriter file_writer;
  file_writer.open (filename);

  if (!file_writer)
    return false;

  std::ostringstream out_stream;
  createStream (out_stream);

  file_writer << out_stream.str ();

  return true;
}

void BodySettings::fromStream (std::ifstream &in_stream)
{
  float bs_value;

  // empty map before load new settings
  clear ();

  char buffer[MAX_LINE_BUFFER];
  char bs_name[MAX_LINE_BUFFER];
  while (in_stream.getline (buffer, MAX_LINE_BUFFER))
  {
    if (sscanf (buffer, "%[^,],%f\n", bs_name, &bs_value) == 2)
    {
      if (bs_value != 0.0)
      {
        // remove "targets/" prefix in MH2.0 bodysettings
        // as side effect a sub directory with name "targets" is forbidden!!
        string bs_name_str = bs_name;
        if (bs_name_str.substr (0, strlen ("targets/")) == "targets/")
        {
          bs_name_str.erase (0, strlen ("targets/"));
        }

        float& value_ref = (*this)[bs_name_str];
        value_ref = bs_value;
      }
    }
    else
    {
      if(buffer[0] != '#')
      {
        cerr << "Not allowed line in BodySetting:" << endl << buffer << endl;
      }
      else
      {
        cursorPositions.push_back(string(buffer));
      }
    }
  }
}

void BodySettings::createStream (std::ostringstream &out_stream)
{
  for (BodySettings::iterator bodyset_it = begin ();
       bodyset_it != end ();
       bodyset_it++)
  {
    string name = (*bodyset_it).first;
    float morph_value = (*bodyset_it).second;
    out_stream << name << "," << morph_value << endl;
  }
}