/*
  ToolFactory  -  supply of Tool implementations for the Builder
 
  Copyright (C)         Lumiera.org
    2008,               Hermann Vosseler <Ichthyostega@web.de>
 
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of the
  License, or (at your option) any later version.
 
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
* *****************************************************/


#include "proc/mobject/builder/toolfactory.hpp"
#include "common/util.hpp"

//#include <boost/ptr_container/ptr_vector.hpp>

namespace mobject {
  namespace builder {

    using util::isnil;
    
    
    struct BuildProcessState
      {
        
        session::Fixture & fixedTimeline_;
        std::auto_ptr<engine::Processor> procSegment_;   /////////////////TODO consider renaming Processor
        
        boost::scoped_ptr<SegementationTool> segmentation_;
        boost::scoped_ptr<NodeCreatorTool> fabrication_;
        
        
        BuildProcessState (session::Fixture& theTimeline)
          : fixedTimeline_(theTimeline),
            procSegment_(new engine::Processor())
          { }
        
      };

    ToolFactory::ToolFactory (session::Fixture& theTimeline)
      : state_(new BuildProcessState (theTimeline))
    {
      ENSURE (state_->fixedTimeline_.isValid());
      ENSURE (state_->procSegment_);
    }
    
    
    SegmentationTool &
    ToolFactory::configureSegmentation ()
    {
      REQUIRE (state_->fixedTimeline_.isValid());
      REQUIRE (state_->procSegment_);
      
      state->segmentation_.reset (new SegmentationTool (state->fixedTimeline_));
      return *(state->segmentation_);
    }
    
    
    NodeCreatorTool &
    ToolFactory::configureFabrication () //////////////////////TODO: should iterate in some way!
    {
      REQUIRE (state_->procSegment_);
      REQUIRE (!isnil (*(state_>segmentation)));
      
      state->fabrication_.reset (new NodeCreatorTool(*this));
      return *(state->fabrication_);
    }
    
    
    std::auto_ptr<engine::Processor>
    ToolFactory::getProduct ()
    {
      state_->segmentation_.reset(0);
      state_->fabrication_.reset(0);
      return state_->procSegment_;
    }



  } // namespace mobject::builder

} // namespace mobject