/*
# ---------------------------------------------------------------------
#
# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
#                        pour la Sant�)
# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
# Previous Authors : Laurent Guigues, Jean-Pierre Roux
# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
#
#  This software is governed by the CeCILL-B license under French law and
#  abiding by the rules of distribution of free software. You can  use,
#  modify and/ or redistribute the software under the terms of the CeCILL-B
#  license as circulated by CEA, CNRS and INRIA at the following URL
#  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
#  or in the file LICENSE.txt.
#
#  As a counterpart to the access to the source code and  rights to copy,
#  modify and redistribute granted by the license, users are provided only
#  with a limited warranty  and the software's author,  the holder of the
#  economic rights,  and the successive licensors  have only  limited
#  liability.
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#  The fact that you are presently reading this means that you have had
#  knowledge of the CeCILL-B license and that you accept its terms.
# ------------------------------------------------------------------------
 */

/*
 * modelCDMLib.cpp
 *
 *  Created on: Nov 23, 2012
 *      Author: Daniel Felipe Gonzalez Obando
 */

#include "modelCDMLib.h"

#include <fstream>
#include <sstream>
#include <algorithm>

#include "CDMUtilities.h"
#include "creaWx.h"
#include "wx/dir.h"

modelCDMLib::modelCDMLib()
{
}

modelCDMLib::modelCDMLib(modelCDMIProjectTreeNode* parent, const std::string& path, const std::string& name, const int& level)
{
  std::cout << "creating lib\n";
  this->parent = parent;
  this->type = wxDIR_DIRS;
  this->name = name;
  this->level = level;
  this->path = path;



  this->path = CDMUtilities::fixPath(path);
  //open makelists file
  std::string pathFixed(CDMUtilities::fixPath(path));

  this->libraries.clear();
  wxDir dir(crea::std2wx((pathFixed).c_str()));
  if (dir.IsOpened())
    {
      wxString fileName;
      //folders
      bool cont = dir.GetFirst(&fileName, wxEmptyString, wxDIR_DIRS);
      while (cont)
        {
          std::string stdfileName = crea::wx2std(fileName);

          if(stdfileName != "template_lib")
            {
              modelCDMLibrary* library = new modelCDMLibrary(this, pathFixed + CDMUtilities::SLASH + stdfileName, stdfileName, this->level + 1);
              this->libraries.push_back(library);
              this->children.push_back(library);
            }
          else
            {
              modelCDMFolder* folder = new modelCDMFolder(this, pathFixed + CDMUtilities::SLASH + stdfileName, stdfileName, this->level + 1);
              this->children.push_back(folder);
            }

          cont = dir.GetNext(&fileName);
        }
      //files
      cont = dir.GetFirst(&fileName, wxEmptyString, wxDIR_FILES);
      while (cont)
        {
          std::string stdfileName = crea::wx2std(fileName);

          //if CMakeLists, create CMakeLists
          if(stdfileName == "CMakeLists.txt")
            {
              this->CMakeLists = new modelCDMCMakeListsFile(this, pathFixed + CDMUtilities::SLASH + stdfileName, stdfileName, this->level + 1);
              this->children.push_back(this->CMakeLists);
            }
          //if is an unknown file, create file
          else
            {
              this->children.push_back(new modelCDMFile(this, pathFixed + CDMUtilities::SLASH + stdfileName, stdfileName, this->level + 1));
            }

          cont = dir.GetNext(&fileName);
        }
    }
  this->SortChildren();
  std::sort(this->libraries.begin(), this->libraries.end(), CompareNodeItem);
}

modelCDMLib::~modelCDMLib()
{
}

const std::vector<modelCDMLibrary*>& modelCDMLib::GetLibraries() const
{
  return this->libraries;
}

modelCDMLibrary* modelCDMLib::CreateLibrary(
    const std::string& name,
    std::string*& result
)
{
  //copy template library folder with new name
  std::string copyCommand = "cp -r \"" + this->path + CDMUtilities::SLASH + "template_lib\" \"" + this->path + CDMUtilities::SLASH + name + "\"";
  if(system(copyCommand.c_str()))
    {
      result = new std::string("An error occurred while running '" + copyCommand + "'.");
      return NULL;
    }
  //set name of library in CMakeLists inside copied folder
  std::string line;
  std::ifstream in((this->path + CDMUtilities::SLASH + name + CDMUtilities::SLASH + "CMakeLists.txt").c_str());
  if( !in.is_open())
    {
      result = new std::string("CMakeLists.txt file failed to open.");
      return NULL;
    }
  std::ofstream out((this->path + CDMUtilities::SLASH + name + CDMUtilities::SLASH + "CMakeLists.txt.tmp").c_str());
  while (getline(in, line))
    {
      if(line == "SET ( LIBRARY_NAME   MyLib  )")
        line = "SET ( LIBRARY_NAME   " + name + "  )";
      out << line << std::endl;
    }
  in.close();
  out.close();
  //delete old file and rename new file
  std::string renameCommand = "mv \"" + this->path + CDMUtilities::SLASH + name + CDMUtilities::SLASH + "CMakeLists.txt.tmp\" \"" + this->path + CDMUtilities::SLASH + name + CDMUtilities::SLASH + "CMakeLists.txt\"";
  if(system(renameCommand.c_str()))
    {
      result = new std::string("An error occurred while running '" + renameCommand + "'.");
      return NULL;
    }

  //add library to model
  modelCDMLibrary* library = new modelCDMLibrary(this, this->path + CDMUtilities::SLASH + name, name, this->level + 1);
  this->libraries.push_back(library);
  this->children.push_back(library);

  this->SortChildren();

  result = new std::string(this->path + CDMUtilities::SLASH + name);
  return library;
}

const bool modelCDMLib::Refresh(std::string*& result)
{
  std::cout << "refreshing lib" << std::endl;
  this->type = wxDIR_DIRS;



  std::vector<bool> checked(this->children.size(), false);
  std::vector<bool> checkedLibraries(this->libraries.size(), false);

  //check all folders
  wxDir dir(crea::std2wx((this->path).c_str()));
  if (dir.IsOpened())
    {
      wxString fileName;
      bool cont = dir.GetFirst(&fileName, wxEmptyString, wxDIR_DIRS);
      while (cont)
        {
          std::string stdfileName = crea::wx2std(fileName);

          if(stdfileName != "template_lib")
            {
              std::string libraryName = stdfileName;
              //check if library already exist
              bool found = false;
              for (int i = 0; !found && i < (int)(this->libraries.size()); i++)
                {
                  if (this->libraries[i]->GetName() == libraryName)
                    {
                      found = true;
                      int pos = std::find(this->children.begin(), this->children.end(), this->libraries[i]) - this->children.begin();
                      checked[pos] = true;
                      checkedLibraries[i] = true;
                      if(!this->libraries[i]->Refresh(result))
                        return false;
                    }
                }
              if(!found)
                {
                  modelCDMLibrary* library = new modelCDMLibrary(this, this->path + CDMUtilities::SLASH + stdfileName, stdfileName, this->level + 1);
                  this->libraries.push_back(library);
                  this->children.push_back(library);
                }
            }
          else
            {
              //check if folder already exist
              bool found = false;
              for (int i = 0; !found && i < (int)(this->children.size()); i++)
                {
                  if (this->children[i]->GetName() == stdfileName)
                    {
                      found = true;
                      checked[i] = true;
                      if(!this->children[i]->Refresh(result))
                        return false;
                    }
                }
              if(!found)
                {
                  modelCDMFolder* folder= new modelCDMFolder(this, this->path + CDMUtilities::SLASH + stdfileName, stdfileName, this->level + 1);
                  this->children.push_back(folder);
                }
            }
          cont = dir.GetNext(&fileName);
        }

      cont = dir.GetFirst(&fileName, wxEmptyString, wxDIR_FILES);
      while (cont)
        {
          std::string stdfileName = crea::wx2std(fileName);

          //if CMakeLists, create CMakeLists
          if(stdfileName == "CMakeLists.txt")
            {
              if (this->CMakeLists == NULL)
                {
                  this->CMakeLists = new modelCDMCMakeListsFile(this, this->path + CDMUtilities::SLASH + stdfileName, stdfileName, this->level + 1);
                  this->children.push_back(this->CMakeLists);
                }
              else
                {
                  int pos = std::find(this->children.begin(), this->children.end(), this->CMakeLists) - this->children.begin();
                  checked[pos] = true;
                  if(!this->CMakeLists->Refresh(result))
                    return false;
                }
            }
          //if is an unknown file, create file
          else
            {
              bool found = false;
              for (int i = 0; !found && i < (int)(this->children.size()); i++)
                {
                  if (this->children[i]->GetName() == stdfileName)
                    {
                      found = true;
                      checked[i] = true;
                      if(!this->children[i]->Refresh(result))
                        return false;
                    }
                }

              if(!found)
                {
                  modelCDMFile* file = new modelCDMFile(this, this->path + CDMUtilities::SLASH + stdfileName, stdfileName, this->level + 1);
                  this->children.push_back(file);
                }
            }

          cont = dir.GetNext(&fileName);
        }
    }

  for (int i = 0; i < (int)(checkedLibraries.size()); i++)
    {
      if(!checkedLibraries[i])
        {
          this->libraries.erase(this->libraries.begin()+i);
          checkedLibraries.erase(checkedLibraries.begin()+i);
          i--;
        }
    }
  for (int i = 0; i < (int)(checked.size()); i++)
    {
      if(!checked[i])
        {
          delete this->children[i];
          this->children.erase(this->children.begin()+i);
          checked.erase(checked.begin()+i);
          i--;
        }
    }
  this->SortChildren();
  std::sort(this->libraries.begin(), this->libraries.end(), CompareNodeItem);
  return true;
}

void modelCDMLib::CheckStructure(std::map<std::string, bool>& properties)
{
  //check cmake exist
  if(this->CMakeLists != NULL)
    {
      //set properties parameters based on model
      for (int i = 0; i < (int)(this->libraries.size()); i++)
        properties["lib add " + libraries[i]->GetName()] = false;

      //open cmakelists
      std::ifstream confFile;
      confFile.open((this->CMakeLists->GetPath()).c_str());

      //take everything that is not commented
      std::string fileContent;

      std::string word;
      std::vector<std::string> words;
      while(confFile.is_open() && !confFile.eof())
        {
          std::getline(confFile,word, '\n');
          if(word[0] != '#')
            {
              CDMUtilities::splitter::split(words, word, "#", CDMUtilities::splitter::empties_ok);
              if (words.size() > 0)
                {
                  word = words[0];
                  CDMUtilities::splitter::split(words, word, " ", CDMUtilities::splitter::empties_ok);
                  for (int i = 0; i < (int)(words.size()); i++)
                    {
                      if(words[i].substr(0,2) == "//")
                        break;
                      fileContent += words[i] + " ";
                    }
                }
            }
        }

      //check every instruction
      std::stringstream ss(fileContent);
      while(!ss.eof())
        {
          std::getline(ss,word, '(');

          //check instruction name
          CDMUtilities::splitter::split(words, word, " ", CDMUtilities::splitter::no_empties);

          //add instructions
          if (words.size() > 0 && words[words.size()-1] == "ADD_SUBDIRECTORY")
            {
              std::getline(ss,word, ')');
              //std::cout << word << std::endl;
              CDMUtilities::splitter::split(words, word, " ", CDMUtilities::splitter::no_empties);

              if (words.size() > 0)
                {
                  {
                    properties["lib add " + words[0]] = true;
                  }
                }
            }
        }

    }

  //check libraries' structure
  for (int i = 0; i < (int)(this->libraries.size()); i++)
    {
      properties["library " + this->libraries[i]->GetName()] = true;
      this->libraries[i]->CheckStructure(properties);
    }
}