#include <nntp/optnsdlg.hpp>
#include <nntp/optnsreg.hpp>
#include <common/systime.hpp>
#include <common/diskinfo.hpp>

WORD OptionsDialog::performDialog(void)
{
	::DialogBoxParam(processInstance(),(LPSTR)"GenOptions",mhParent,(DLGPROC)DWindow::DlgProc,(LONG)((DWindow*)this));
  return FALSE;
}

CallbackData::ReturnType OptionsDialog::initDialogHandler(CallbackData &someCallbackData)
{
  setOptions();
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType OptionsDialog::commandHandler(CallbackData &someCallbackData)
{
	switch(someCallbackData.wmCommandID())
	{
		case IDOK :
		  if(handleApply())
			  endDialog(TRUE);
      break;
		case IDCANCEL :
		  endDialog(FALSE);
			break;
		case DaysPrior :
		  handleDaysPrior(someCallbackData);
		  break;
	}
  return (CallbackData::ReturnType)FALSE;
}

void OptionsDialog::handleDaysPrior(CallbackData &someCallbackData)
{
  String priorDays;

  if(EN_KILLFOCUS!=HIWORD(someCallbackData.wParam()))return;
	getText(DaysPrior,priorDays);
	setOptions(::atoi(priorDays));
}

void OptionsDialog::setOptions(WORD priorDays)const
{
  SystemTime systemTime;
  String strPriorDays;

  systemTime.daysAdd360(-((short)priorDays));
	::sprintf(strPriorDays,"%d",priorDays);
  SystemTime postDateTime(systemTime.year(),systemTime.month(),systemTime.day(),0,0,0);
	setText(DaysPrior,strPriorDays);
  setText(PostDate,postDateTime.toString());
}

void OptionsDialog::setOptions(void)const
{
  OptionsReg optionsReg;
	setOptions((WORD)optionsReg.priorDays());
	setText(NewsDir,optionsReg.newsDir());
}

BOOL OptionsDialog::handleApply(void)const
{
	OptionsReg optionsReg;
  String priorDays;
	String strNewsDirectory;
	String strCurrentDirectory;
	DiskInfo diskInfo;

	getText(DaysPrior,priorDays);
	optionsReg.priorDays(::atoi((LPSTR)priorDays));
	getText(NewsDir,strNewsDirectory);
	if(strNewsDirectory.isNull()){::MessageBox(*this,(LPSTR)"Root directory cannot be null.",(LPSTR)"NewsCrawler",MB_OK);return FALSE;}
	diskInfo.getCurrentDirectory(strCurrentDirectory);
	if(!diskInfo.setCurrentDirectory(strNewsDirectory))
	{
	  if(IDOK==::MessageBox(*this,(LPSTR)"Directory does not exist, create?","NewsCrawler",MB_OKCANCEL))
		{
		  if(!diskInfo.createDirectory(strNewsDirectory))
			{
			  ::MessageBox(*this,(LPSTR)"Create directory!","NewsCrawler",MB_OK);
				return FALSE;
			}
		}
		else return FALSE;
	}
	optionsReg.newsDir(strNewsDirectory);
	diskInfo.setCurrentDirectory(strCurrentDirectory);
	return TRUE;
}