// ToggleButton.cpp: implementation of the CToggleButton class.
//
//////////////////////////////////////////////////////////////////////

#include "ToggleButton.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CToggleButton::CToggleButton()
{
	HWND hwindow=GameEngine::GetEngine()->GetWindow();
	HDC hDC=GetDC(hwindow);
	HINSTANCE hInstance=GameEngine::GetEngine()->GetInstance();
	for(int i=0;i<25;i++){
		bmpButton[i]=new Bitmap(hDC,4000+i,hInstance);
	}
	bHold=false;
	ReleaseDC(hwindow,hDC);
}

CToggleButton::~CToggleButton()
{

}

void CToggleButton::SetImage(char *szImgName,int x,int y,HDC hDC,int iOffSet){
	iCurrentImage=17;
	bHold=false;
	char szFile[64];
	wsprintf(szFile,"Images\\Compounds\\%s.bmp",szImgName);
	Bitmap * bmpCmpd=new Bitmap(hDC,szFile);
	ix=x;
	iy=y;
	iwidth=bmpCmpd->GetWidth()+20+iOffSet*2;
	iheight=bmpCmpd->GetHeight()+20;
	bmpCmpd->Draw(hDC,x+10+iOffSet,y+10,true);
	delete bmpCmpd;
}
void CToggleButton::SetCmpd(char *szFileName,int x,int y,HDC hDC,Bitmap **pElements){
	iCurrentImage=17;
	bHold=false;
	ix=x;
	iy=y;
	char szFile[64];
	wsprintf(szFile,"Data\\CElements\\%s.txt",szFileName);

	SetElements(szFile,false,hDC,pElements);
	SetElements(szFile,true,hDC,pElements);

}

void CToggleButton::SetElements(char* szFileName,bool bOnlyElements,HDC hDC,Bitmap **pElements){
	
	HANDLE hFileC = CreateFile(TEXT(szFileName), GENERIC_READ, 0, NULL,
		  OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL);
	char chData;
	DWORD dwBytesRead;

	POINT ptSize;
	char szName[64];

	while(true){
		ReadFile(hFileC,&chData,1,&dwBytesRead,NULL);
		if(chData==(char)179){
			break;
			
		}
		ReadFile(hFileC,&chData,1,&dwBytesRead,NULL);

		if(chData=='E'){
			ReadFile(hFileC,&chData,1,&dwBytesRead,NULL);	//skip one
			//Read the Element
			int iElement[3];
			char szNumber[8];
			for(int i=0;i<3;i++){
				int j=0;
				while(true){
					ReadFile(hFileC,&chData,1,&dwBytesRead,NULL);
					if(chData==':')
						break;
					else
						szNumber[j++]=chData;
				}
				szNumber[j]='\0';
				iElement[i]=atoi(szNumber);
			}
			pElements[iElement[0]]->Draw(hDC,iElement[1]+ix+10,iElement[2]+iy+10,true);

		}
		else if(chData=='B'){
			ReadFile(hFileC,&chData,1,&dwBytesRead,NULL);	//skip one
			//Read the Bond
			int iBonds[5];
			char szNumber[8];
			for(int i=0;i<5;i++){
				int j=0;
				while(true){
					ReadFile(hFileC,&chData,1,&dwBytesRead,NULL);
					if(chData==':')
						break;
					else
						szNumber[j++]=chData;
				}
				szNumber[j]='\0';
				iBonds[i]=atoi(szNumber);
			}
			if(!bOnlyElements){
				POINT ptStartLn;
				POINT ptEndLn;
				ptStartLn.x=iBonds[1]+ix+10;
				ptStartLn.y=iBonds[2]+iy+10;
				ptEndLn.x=iBonds[3]+ix+10;
				ptEndLn.y=iBonds[4]+iy+10;
				DrawBond(hDC,iBonds[0],ptStartLn,ptEndLn);
			}
		}
		else if(chData=='S'){
			ReadFile(hFileC,&chData,1,&dwBytesRead,NULL);	//skip one
			//Read the size
			int iSizes[2];
			char szSize[8];
			for(int i=0;i<2;i++){
				int j=0;
				while(true){
					ReadFile(hFileC,&chData,1,&dwBytesRead,NULL);
					if(chData==':')
						break;
					else
						szSize[j++]=chData;
				}
				szSize[j]='\0';
				iSizes[i]=atoi(szSize);
			}


			ptSize.x=iSizes[0];
			ptSize.y=iSizes[1];

			
			int j=0;
			while(true){
				ReadFile(hFileC,&chData,1,&dwBytesRead,NULL);
				if(chData==':')
					break;
				else
					szName[j++]=chData;
			}
			szName[j]='\0';
		}
	}

	CToggleButton::iwidth=ptSize.x+20;
	CToggleButton::iheight=ptSize.y+20;
	CloseHandle(hFileC);
}

void CToggleButton::DrawBond(HDC hDC,int iBondType,POINT ptStart,POINT ptEnd){
	HPEN hGridPen = CreatePen(PS_SOLID, 1, RGB(255,0,0));//(255, 204, 153));
	HPEN hPen = (HPEN)SelectObject(hDC, hGridPen);
	
	

	if(iBondType==1 || iBondType==4){
		MoveToEx(hDC, ptStart.x,ptStart.y, NULL);
		LineTo(hDC,  ptEnd.x,ptEnd.y);
	}

	else if(iBondType==2){
		if(abs(ptStart.x-ptEnd.x)>abs(ptStart.y-ptEnd.y)){
			MoveToEx(hDC,ptStart.x,ptStart.y+2,NULL);
			LineTo(hDC,ptEnd.x,ptEnd.y+2);	
			MoveToEx(hDC,ptStart.x,ptStart.y-2,NULL);
			LineTo(hDC,ptEnd.x,ptEnd.y-2);
		}
		else{
			MoveToEx(hDC,ptStart.x+2,ptStart.y,NULL);
			LineTo(hDC,ptEnd.x+2,ptEnd.y);	
			MoveToEx(hDC,ptStart.x-2,ptStart.y,NULL);
			LineTo(hDC,ptEnd.x-2,ptEnd.y);
		}

	}
	else if(iBondType==3){
		if(abs(ptStart.x-ptEnd.x)>abs(ptStart.y-ptEnd.y)){
			MoveToEx(hDC, ptStart.x,ptStart.y-3, NULL);
			LineTo(hDC,  ptEnd.x,ptEnd.y-3);

			MoveToEx(hDC, ptStart.x,ptStart.y, NULL);
			LineTo(hDC,  ptEnd.x,ptEnd.y);

			MoveToEx(hDC, ptStart.x,ptStart.y+3, NULL);
			LineTo(hDC,  ptEnd.x,ptEnd.y+3);
		}
		else{
			MoveToEx(hDC, ptStart.x-3,ptStart.y, NULL);
			LineTo(hDC,  ptEnd.x-3,ptEnd.y);

			MoveToEx(hDC, ptStart.x,ptStart.y, NULL);
			LineTo(hDC,  ptEnd.x,ptEnd.y);

			MoveToEx(hDC, ptStart.x+3,ptStart.y, NULL);
			LineTo(hDC,  ptEnd.x+3,ptEnd.y);
		}


	}

	SelectObject(hDC, hPen);
	DeleteObject(hGridPen);
}


void CToggleButton::SetPlace(int x,int y){
	ix=x;
	iy=y;
}

bool CToggleButton::MouseMove(int x,int y){
	if(!(x>ix && x<ix+iwidth && y>iy && y<iy+iheight)){
		iCurrentImage=bHold?0:17;
		return false;
	}
	if(iCurrentImage!=0)
		iCurrentImage=8;
	return true;
}
bool CToggleButton::MouseButtonDown(int x,int y,BOOL bLeft){
	if(!(x>ix && x<ix+iwidth && y>iy && y<iy+iheight)){
		return false;
	}
	iCurrentImage=0;
	bHold=true;
	/*HWND hWnd=GameEngine::GetEngine()->GetWindow();
	HDC hDC=GetDC(hWnd);
	DrawScreen(hDC);
	ReleaseDC(hWnd,hDC);*/
	return true;
}
bool CToggleButton::MouseButtonUp(int x,int y,BOOL bLeft){
	if(!(x>ix && x<ix+iwidth && y>iy && y<iy+iheight))
		return false;

	return true;
}

void CToggleButton::DrawScreen(HDC hDC){
	bmpButton[iCurrentImage]->Draw(hDC,ix+iwidth-14,iy-1,true);
	bmpButton[2+iCurrentImage]->Draw(hDC,ix+iwidth-14,iy+iheight-14,true);
	bmpButton[4+iCurrentImage]->Draw(hDC,ix-1,iy+iheight-14,true);
	bmpButton[6+iCurrentImage]->Draw(hDC,ix-1,iy-1,true);
	for(int yPos=iy+14;yPos<=iy+iheight-30;yPos+=15){
		bmpButton[1+iCurrentImage]->Draw(hDC,ix+iwidth-14,yPos,true);
		bmpButton[5+iCurrentImage]->Draw(hDC,ix-1,yPos,true);
	}
	bmpButton[1+iCurrentImage]->Draw(hDC,ix+iwidth-14,iy+iheight-29,true);;
	bmpButton[5+iCurrentImage]->Draw(hDC,ix-1,iy+iheight-29,true);

	for(int xPos=ix+14;xPos<=ix+iwidth-30;xPos+=15){
		bmpButton[3+iCurrentImage]->Draw(hDC,xPos,iy+iheight-14,true);
		bmpButton[7+iCurrentImage]->Draw(hDC,xPos,iy-1,true);
	}
	bmpButton[3+iCurrentImage]->Draw(hDC,ix+iwidth-29,iy+iheight-14,true);
	bmpButton[7+iCurrentImage]->Draw(hDC,ix+iwidth-29,iy-1,true);
}