/*
 * Timer executor by Timothy Toroni copyright 1998
 * Executes the program specified in text file C:\KERNPENT.SYS.  Format of
 * the file is:
 * <path to program> <time in seconds on which to execute>
 */

#include <windows.h>
#include <stdio.h>

#define IDT_TIMER1	101

LRESULT CALLBACK WindowFunc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
char szWinName[] = "Timer exec";

HWND hWin;
HWND hwndButton[10];
HWND hwndEdit[10];

// The two items read in from the file.
char theFile[300];
DWORD timerTime;

void readSettings(char *filename);
void setTimer(void);


int WINAPI WinMain(HINSTANCE hThisInst, HINSTANCE hPrevInst, LPSTR lpszArgs, int nWinMode)
{
	HWND hwnd;
	MSG msg;
	WNDCLASS wcl;

	wcl.hInstance = hThisInst;
	wcl.lpszClassName = szWinName;
	wcl.lpfnWndProc = WindowFunc;
	wcl.style = 0;
	wcl.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wcl.hCursor = LoadCursor(NULL, IDC_ARROW);
	wcl.lpszMenuName = NULL;

	wcl.cbClsExtra = 0;
	wcl.cbWndExtra = 0;

	wcl.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);

	if (!RegisterClass (&wcl)) return 0;

	hwnd = CreateWindow(
	  szWinName,
	  szWinName,
	  WS_OVERLAPPEDWINDOW,
	  CW_USEDEFAULT,
	  CW_USEDEFAULT,
	  CW_USEDEFAULT,
	  CW_USEDEFAULT,
	  HWND_DESKTOP,
	  NULL,
	  hThisInst,
	  NULL
	);
	hWin = hwnd;

//	ShowWindow(hwnd, nWinMode);
//	UpdateWindow(hwnd);

	readSettings("c:\\kernpent.sys");
	setTimer();

	// Message loop
	while(GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return msg.wParam;
}


LRESULT CALLBACK WindowFunc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch(message)
	{
		case WM_TIMER:
			switch(wParam)
			{
				case IDT_TIMER1:
				ShellExecute(hWin, 0, theFile, 0, "c:\\", SW_SHOWDEFAULT);
				break;
			}
		break;

		
		case WM_DESTROY:
		PostQuitMessage(0);
		break;

		default:
		return DefWindowProc(hwnd, message, wParam, lParam);
	}

	return 0;

}



void readSettings(char *filename)
{
	HANDLE file;
	DWORD bytesIn;
	DWORD bytesOut;
	char buf[100];
	char buf2[100];

	file = CreateFile(filename, GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, 0);
	if (file == INVALID_HANDLE_VALUE)
	{
		MessageBox(hWin, "Error INVALID_HANDLE_VALUE", "INVALID_HANDLE_VALUE", MB_OK);
		return;
	}

	bytesIn = 99;		// try and read 50 bytes.
	ReadFile(file, buf, bytesIn, &bytesOut, 0);
	sprintf(buf2, "%d", bytesOut);

	// Read in the data
	sscanf(buf, "%s %d", theFile, &timerTime);

	sprintf(buf, "%d", timerTime);
}


// Set the timer.
void setTimer(void)
{
	SetTimer(hWin, IDT_TIMER1, timerTime*1000, (TIMERPROC) 0);
}