#include "esefile.hxx"

static int iLastPercentage;

//  ================================================================
void PrintWindowsError( const wchar_t * const szMessage )
//  ================================================================
	{
	LPVOID lpMsgBuf = NULL;
	if( FormatMessage( 
		    FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
		    NULL,
		    GetLastError(),
		    MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
		    (LPTSTR) &lpMsgBuf,
		    0,
		    NULL ) )
		{
		(void)fwprintf( stderr, L"%ls%ls", szMessage, (wchar_t *)lpMsgBuf );
		}

	LocalFree( lpMsgBuf );
	}

void InitStatus( const wchar_t * const szOperation )
	{
	const SIZE_T	cbOper		= wcslen( szOperation );
	const SIZE_T	cbPadding	= ( 51 - cbOper ) / 2;

	wprintf( L"          %*ls\r\n\r\n", cbPadding+cbOper, szOperation );
	wprintf( L"          0    10   20   30   40   50   60   70   80   90  100\r\n" );
	wprintf( L"          |----|----|----|----|----|----|----|----|----|----|\r\n" );
	wprintf( L"          " );

	iLastPercentage = 0;
	}


void UpdateStatus( const int iPercentage )
	{
	int dPercentage = min( iPercentage, 100 ) - iLastPercentage;
	while ( dPercentage >= 2 )
		{
		wprintf( L"." );
		iLastPercentage += 2;
		dPercentage -= 2;
		}
	}


void TermStatus()
	{
	UpdateStatus( 100 );
	wprintf( L".\r\n" );
	}