#include <browse/brwsview.hpp>
#include <browse/thmbnail.hpp>
#include <mediapak/entryinf.hpp>
#include <bsptree/btree.hpp>
#include <statbar/statbarx.hpp>
#include <common/crsctrl.hpp>
#include <common/pathfnd.hpp>
#include <common/brush.hpp>
#include <common/pen.hpp>

BrowseView::BrowseView(void)
{
  mCreateHandler.setCallback(this,&BrowseView::createHandler);
  mSizeHandler.setCallback(this,&BrowseView::sizeHandler);
	mPaintHandler.setCallback(this,&BrowseView::paintHandler);
	mHorizontalScrollHandler.setCallback(this,&BrowseView::horizontalScrollHandler);
	mVerticalScrollHandler.setCallback(this,&BrowseView::verticalScrollHandler);
	mLeftButtonDoubleHandler.setCallback(this,&BrowseView::leftButtonDoubleHandler);
	insertHandler(VectorHandler::CreateHandler,&mCreateHandler);
	insertHandler(VectorHandler::SizeHandler,&mSizeHandler);
	insertHandler(VectorHandler::PaintHandler,&mPaintHandler);
	insertHandler(VectorHandler::VerticalScrollHandler,&mVerticalScrollHandler);
	insertHandler(VectorHandler::HorizontalScrollHandler,&mHorizontalScrollHandler);
	insertHandler(VectorHandler::LeftButtonDoubleHandler,&mLeftButtonDoubleHandler);
}

BrowseView::~BrowseView()
{
	removeHandler(VectorHandler::CreateHandler,&mCreateHandler);
	removeHandler(VectorHandler::SizeHandler,&mSizeHandler);
	removeHandler(VectorHandler::PaintHandler,&mPaintHandler);
	removeHandler(VectorHandler::VerticalScrollHandler,&mVerticalScrollHandler);
	removeHandler(VectorHandler::HorizontalScrollHandler,&mHorizontalScrollHandler);
	removeHandler(VectorHandler::LeftButtonDoubleHandler,&mLeftButtonDoubleHandler);
}

CallbackData::ReturnType BrowseView::createHandler(CallbackData &someCallbackData)
{
  mScrollInfo.hwndOwner(*this);
	setTitle("None");
  return FALSE;
}

CallbackData::ReturnType BrowseView::sizeHandler(CallbackData &someCallbackData)
{
  if(mThumbPage.rowItems()!=mThumbPage.rowItems(*this))
	{
	  CursorControl cursorControl;
		cursorControl.waitCursor(true);
	  mThumbPage.isDirty(true);
		mThumbPage.update(*this);
	  mScrollInfo.scrollableObjectDimensions(mThumbPage.width(),mThumbPage.height());
		cursorControl.waitCursor(false);
	}
  mScrollInfo.handleSize(someCallbackData);
  return FALSE;
}

CallbackData::ReturnType BrowseView::paintHandler(CallbackData &someCallbackData)
{
  PaintInformation &paintInfo=*((PaintInformation*)someCallbackData.lParam());
	PureDevice &paintDevice=(PureDevice&)paintInfo;
	if(mScrollInfo.sizeEvent())
	{
	  mScrollInfo.sizeEvent(FALSE);
		mThumbPage.draw(paintDevice,Rect(0,0,mThumbPage.width(),mThumbPage.height()),Point(mScrollInfo.currScrollx(),mScrollInfo.currScrolly()));
	}
	if(mScrollInfo.scrollEvent()||(!mScrollInfo.sizeEvent()&&!mScrollInfo.scrollEvent()))
	{
	  Rect paintRect(paintInfo.paintRect());
	  mScrollInfo.scrollEvent(FALSE);
		paintRect.right(paintRect.right()-paintRect.left());
		paintRect.bottom((paintRect.bottom()-paintRect.top()));
	  mThumbPage.draw(paintDevice,paintRect,Point(paintRect.left()+mScrollInfo.currScrollx(),paintRect.top()+mScrollInfo.currScrolly()));
	}
	return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType BrowseView::verticalScrollHandler(CallbackData &someCallbackData)
{
  mScrollInfo.handleVerticalScroll(someCallbackData);
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType BrowseView::horizontalScrollHandler(CallbackData &someCallbackData)
{
  mScrollInfo.handleHorizontalScroll(someCallbackData);
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType BrowseView::leftButtonDoubleHandler(CallbackData &someCallbackData)
{
  Point clickPoint(someCallbackData.loWord(),someCallbackData.hiWord());
	CallbackData callbackData;
	String strPathFileName;
	String strItemName;

  clickPoint.x(clickPoint.x()+mScrollInfo.currScrollx());
	clickPoint.y(clickPoint.y()+mScrollInfo.currScrolly());
	if(!mThumbPage.hitTest(*this,clickPoint,strItemName))return (CallbackData::ReturnType)FALSE;
	strPathFileName=getTitle()+String("\\")+strItemName;
	::OutputDebugString(strPathFileName+String("\n"));
	callbackData.lParam(int((char*)strPathFileName));
	mSelectHandler.callback(callbackData);
  return (CallbackData::ReturnType)FALSE;
}

bool BrowseView::browse(const String &strPathDirectory)
{
	CursorControl cursorControl;
  Block<String> strPathFileNames;
	PureDevice pureDevice(*this);
	PakEntry pakEntry;

  String strMessage;
	DWORD elapsedTime;


  setTitle(strPathDirectory);
	if(strPathDirectory.isNull())return FALSE;
	cursorControl.waitCursor(true);
  getDirectoryFileNames(strPathDirectory,strPathFileNames);
	mMediaPak.open(strPathDirectory+String(".pak"),MediaPak::OpenAlways);
	if(mMediaPak.entries())
	{
	  elapsedTime=::GetTickCount();

		PakEntry pakEntry;
		DWORD pakEntries=mMediaPak.entries();
		for(int index=0;index<pakEntries;index++)
		{
		  mMediaPak.getEntry(pakEntry,index);
      mThumbPage.insert(pakEntry,pureDevice);
		}
		merge(mMediaPak,strPathFileNames,strPathDirectory,pureDevice);
	  ::sprintf(strMessage,"Load took %d seconds\n",(::GetTickCount()-elapsedTime)/1000);
	  ::OutputDebugString(strMessage);
	}
	else
	{
	  for(int index=0;index<strPathFileNames.size();index++)
		{
		  GlobalData<BYTE> rawData;
			PakEntry pakEntry;

		  String strPathFileName(strPathDirectory+String("\\")+strPathFileNames[index]);
		  mThumbPage.insert(strPathFileName,pureDevice);
			mThumbPage[mThumbPage.entries()-1].getRawData(rawData);
			pakEntry.type(PakEntry::Blob);
			pakEntry.name(strPathFileNames[index]);
			pakEntry.id(mMediaPak.entries());
			pakEntry.rawData(rawData);
			mMediaPak.add(pakEntry);
		}
	}
	mThumbPage.update(*this);
	mScrollInfo.scrollableObjectDimensions(mThumbPage.width(),mThumbPage.height());
	cursorControl.waitCursor(false);
	invalidate(false);
  return TRUE;
}

void BrowseView::merge(MediaPak &mediaPak,Block<String> &strPathDirFileNames,const String &strPathDirectory,PureDevice &pureDevice)
{
  BTree<String> strPathFileNames;
	EntryInfo entryInfo;
	String strFound;
	int index;

	for(index=0;index<mediaPak.entries();index++)
	{
	  mediaPak.getInfo(entryInfo,index);
		strPathFileNames.insert(entryInfo.name());
	}
	for(index=0;index<strPathDirFileNames.size();index++)
	{
	  if(!strPathFileNames.find(strPathDirFileNames[index]))
		{
		  GlobalData<BYTE> rawData;
			PakEntry pakEntry;

      ::OutputDebugString(String("Adding ")+strPathDirFileNames[index]+String("\n"));
      strPathFileNames.insert(strPathDirFileNames[index]);    
		  String strPathFileName(strPathDirectory+String("\\")+strPathDirFileNames[index]);
		  mThumbPage.insert(strPathFileName,pureDevice);
			mThumbPage[mThumbPage.entries()-1].getRawData(rawData);
			pakEntry.type(PakEntry::Blob);
			pakEntry.name(strPathDirFileNames[index]);
			pakEntry.id(mMediaPak.entries());
			pakEntry.rawData(rawData);
			mMediaPak.add(pakEntry);
		}
	}
}

bool BrowseView::getDirectoryFileNames(const String &strDirectory,Block<String> &strPathFileNames)
{												   
  PathFind pathFind;

  strPathFileNames.remove();
	pathFind.fileList(strDirectory+String("\\")+String("*.jpg"),strPathFileNames);
	return strPathFileNames.size()?true:false;
}

void BrowseView::setTitle(const String &strTitle)
{
  String strCaption;
  String strString;

	windowText(strCaption);
	strString=strCaption;
	strCaption=strCaption.betweenString(0,' ');
	if(strCaption.isNull())strCaption=strString;
	strCaption+=String(" - [")+strTitle+String("]");
	setCaption(strCaption);
}

String BrowseView::getTitle(void)const
{
  String strCaption;

	windowText(strCaption);
	return strCaption.betweenString('[',']');
}

// *** virtuals

void BrowseView::preRegister(WNDCLASS &wndClass)
{
  wndClass.style|=CS_SAVEBITS|CS_OWNDC;
  wndClass.hbrBackground=(HBRUSH)::GetStockObject(WHITE_BRUSH);
}

void BrowseView::preCreate(MDICREATESTRUCT &createStruct)
{
  createStruct.style|=WS_VSCROLL|WS_HSCROLL|WS_CLIPCHILDREN|WS_CLIPSIBLINGS;
}