#include "SamplingPreprocessor.h"
#include "VssPreprocessor.h"
#include "RssPreprocessor.h"
#include "ExactPreprocessor.h"
#include "Parser.h"
#include "UnigraphicsParser.h"
#include "X3dParser.h"
#include "Environment.h"
#include "Camera.h"
#include "MeshKdTree.h"
#include "Exporter.h"
#include "ViewCell.h"
#include "SceneGraph.h"
#include "PreprocessorThread.h"
#include "RenderSampler.h"
#include "ResourceManager.h"

#include <QApplication>
#include <QtOpenGL>
#include "GlRenderer.h"

#define USE_EXE_PATH false

#include <crtdbg.h>

using namespace GtpVisibilityPreprocessor;

int
main(int argc, char **argv)
{

  //Now just call this function at the start of your program and if you're
  //compiling in debug mode (F5), any leaks will be displayed in the Output
  //window when the program shuts down. If you're not in debug mode this will
  //be ignored. Use it as you will!
  //note: from GDNet Direct [3.8.04 - 3.14.04] void detectMemoryLeaks() {
  _CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF|_CRTDBG_ALLOC_MEM_DF);
  _CrtSetReportMode(_CRT_ASSERT,_CRTDBG_MODE_FILE);
  _CrtSetReportFile(_CRT_ASSERT,_CRTDBG_FILE_STDERR); 

  InitTiming();

  Debug.open("debug.log");
  
  Environment::GetSingleton()->Parse(argc, argv, USE_EXE_PATH);
  MeshKdTree::ParseEnvironment();

  char buff[128];
  Environment::GetSingleton()->GetStringValue("Preprocessor.type", buff);
  string preprocessorType(buff);

  Preprocessor *p = NULL;

 
  if (preprocessorType == "vss")
  {
	  p = new VssPreprocessor();
  }
  else
  {
	if (preprocessorType == "rss")
	{
		p = new RssPreprocessor();
	}
	else
	{
	  if (preprocessorType == "exact")
	  {
		p = new ExactPreprocessor();
	  }
	  else
	  {
		if (preprocessorType == "sampling")
		{
		  p = new SamplingPreprocessor();
		}
		else
		{	
		  if (preprocessorType == "render")
		  {
			 p = new RenderSampler();
		  }
		  else {
			  Environment::DelSingleton();
			  cerr<<"Unknown preprocessor type"<<endl;
			  Debug<<"Unknown preprocessor type"<<endl;
			  exit(1);
		  }
		}
	  }
	}
  }
  
  QApplication *app = NULL;

  if (p->mUseGlRenderer || p->mUseGlDebugger) {
	
	// create a qt application first (must be created before any opengl widget...
	app = new QApplication(argc, argv);
	
	if (!QGLFormat::hasOpenGL() || !QGLPixelBuffer::hasOpenGLPbuffers()) {
	  QMessageBox::information(0, "OpenGL pbuffers", 
							   "This system does not support OpenGL/pbuffers.",
							   QMessageBox::Ok);
	  return -1;
	}
  }
  
  preprocessor = p;
  
  Environment::GetSingleton()->GetStringValue("Scene.filename", buff);
  string filename(buff);
 
  p->LoadScene(filename);
  
  p->BuildKdTree();
  p->KdTreeStatistics(cout);
 
  // parse view cells related options
  p->PrepareViewCells();
  

  // create a preprocessor thread
  PreprocessorThread *pt = new PreprocessorThread(p, app);

  //  p->mSceneGraph->Export("soda.x3d");
  if (0) {
    p->Export(filename + "-out.x3d", true, false, false);
    p->Export(filename + "-kdtree.x3d", false, true, false);	
  }

  if (p->mUseGlRenderer) {
	 
	rendererWidget = new GlRendererWidget(p->mSceneGraph, p->mViewCellsManager, p->mKdTree);
	//  renderer->resize(640, 480);
	 
	rendererWidget->resize(640, 480);
	rendererWidget->show();
	
	if (0 && p->GetRenderer()) {
	  
	  cout<<"CONNECTING"<<endl;
	  QObject::connect(p->GetRenderer(),
					   SIGNAL(UpdatePvsErrorItem(int i,
												 GlRendererBuffer::PvsErrorEntry &)),
					   
					   rendererWidget->mControlWidget,
					   SLOT(UpdatePvsErrorItem(int i,
											   GlRendererBuffer::PvsErrorEntry &)));
	  cout<<"CONNECTED"<<endl;
	}
	
	pt->start(QThread::LowPriority);
	
	
  } else{
	// just call the mail method -> will be executed in the main thread
	pt->Main();
  }
  

  int returnCode = 0;

  if (app)
  {
	 returnCode = app->exec();
	DEL_PTR(app);
	}

  //-- clean up
  DEL_PTR(p);
  Environment::DelSingleton();
  DEL_PTR(rendererWidget);

  MeshManager::DelSingleton();
  MaterialManager::DelSingleton();

  DEL_PTR(pt);

  return returnCode;
}