#include <common/profile.hpp>
#include <midiwrt/muscnv.hpp>
#include <winmus/mainwnd.hpp>
#include <winmus/filehelp.hpp>
#include <winmus/mididef.hpp>
#include <winmus/musdlg.hpp>

char MainWindow::szClassName[]="MUS File Converter";
char MainWindow::szMenuName[]="MUSMENU";

MainWindow::MainWindow(HINSTANCE hInstance)
: mPaintHandler(this,&MainWindow::paintHandler),
	mDestroyHandler(this,&MainWindow::destroyHandler),
	mCommandHandler(this,&MainWindow::commandHandler),
	mMenuSelectHandler(this,&MainWindow::menuSelectHandler),
	mhInstance(hInstance)
{
	insertHandler(VectorHandler::DestroyHandler,&mDestroyHandler);
	insertHandler(VectorHandler::PaintHandler,&mPaintHandler);
	insertHandler(VectorHandler::CommandHandler,&mCommandHandler);
	insertHandler(VectorHandler::MenuSelectHandler,&mMenuSelectHandler);
	registerClass();
	::CreateWindow(szClassName,szClassName,
		WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX|WS_MAXIMIZEBOX|WS_SIZEBOX|WS_CLIPCHILDREN,
		CW_USEDEFAULT,CW_USEDEFAULT,
		CW_USEDEFAULT,CW_USEDEFAULT,
		NULL,NULL,mhInstance,(LPSTR)this);
	show(SW_SHOW);
	update();
}

MainWindow::~MainWindow()
{
	removeHandlers();
  if((HWND)*this)destroy();
}

void MainWindow::registerClass(void)const
{
	WNDCLASS wndClass;

	if(::GetClassInfo(mhInstance,className(),(WNDCLASS FAR*)&wndClass))return;
	wndClass.style         =CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS;
	wndClass.lpfnWndProc   =(WNDPROC)Window::WindowWndProc;
	wndClass.cbClsExtra    =0;
	wndClass.cbWndExtra    =sizeof(MainWindow*);
	wndClass.hInstance     =mhInstance;
	wndClass.hIcon         =::LoadIcon(NULL,IDI_APPLICATION);
	wndClass.hCursor       =::LoadCursor(NULL,IDC_ARROW);
	wndClass.hbrBackground =(HBRUSH)::GetStockObject(WHITE_BRUSH);
	wndClass.lpszMenuName  =szMenuName;
	wndClass.lpszClassName =szClassName;
	::RegisterClass(&wndClass);
	assert(0!=::GetClassInfo(mhInstance,className(),(WNDCLASS FAR*)&wndClass));
}

CallbackData::ReturnType MainWindow::destroyHandler(CallbackData &/*someCallbackData*/)
{
	removeHandlers();
	::PostQuitMessage(0);
	return (CallbackData::ReturnType)0;
}

CallbackData::ReturnType MainWindow::commandHandler(CallbackData &someCallbackData)
{
	switch(GET_WM_COMMAND_ID(someCallbackData.wParam(),someCallbackData.lParam()))
	{
		case IDM_OPTIONLOAD :
      handleLoadRequest();
      break;
		case IDM_OPTIONEXIT :
      destroy();
			break;
		default :
			break;
	}
	return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType MainWindow::menuSelectHandler(CallbackData &/*someCallbackData*/)
{
	return (CallbackData::ReturnType)0;
}

CallbackData::ReturnType MainWindow::paintHandler(CallbackData &/*someCallbackData*/)
{
	return (CallbackData::ReturnType)0;
}

void MainWindow::removeHandlers(void)
{
	removeHandler(VectorHandler::DestroyHandler,&mDestroyHandler);
	removeHandler(VectorHandler::PaintHandler,&mPaintHandler);
	removeHandler(VectorHandler::CommandHandler,&mCommandHandler);
	removeHandler(VectorHandler::MenuSelectHandler,&mMenuSelectHandler);
}

void MainWindow::handleLoadRequest(void)
{
	SelectFile selector(*this);
	String musPathFileName;
	String midiPathFileName;

	selector.SetFileSpec(String(STRING_ASTERISKDOTMUS));
	if(selector.GetFileName(musPathFileName,String::MaxString))
	{
		midiPathFileName=musPathFileName;
		midiPathFileName.token(".");
		midiPathFileName+=".MID";
		MUSDlg musDlg(*this,midiPathFileName,musPathFileName);
    musDlg.performDialog();
	}
	return;
}