// test.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include "pch.h"
#include <iostream>
#include <Windows.h>
#include <string>

#pragma comment(lib, "advapi32.lib")

//defines here
#define ServiceName L"test"

//globals here
SERVICE_STATUS ServiceStatus;
SERVICE_STATUS_HANDLE ServiceStatusHandle;
HANDLE ServiceStopEvent = NULL;

DWORD WINAPI PopupThread(LPVOID lpParameter) {



   return 0;
}

VOID ReportServiceStatus(DWORD CurrentState, DWORD Win32ExitCode, DWORD WaitHint) {

	static DWORD CheckPoint = 1;

	ServiceStatus.dwCurrentState = CurrentState;
	ServiceStatus.dwWin32ExitCode = Win32ExitCode;
	ServiceStatus.dwWaitHint = WaitHint;

	if (CurrentState == SERVICE_START_PENDING) {
		ServiceStatus.dwControlsAccepted = 0;
	}
	else {
		ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
	}
	if ((CurrentState == SERVICE_RUNNING) ||
		(CurrentState == SERVICE_STOPPED))
		ServiceStatus.dwCheckPoint = 0;
	else ServiceStatus.dwCheckPoint = CheckPoint++;


	SetServiceStatus(ServiceStatusHandle, &ServiceStatus);

}

VOID WINAPI ServiceControlHandler(DWORD Control) {

	switch (Control)
	{
	case SERVICE_CONTROL_STOP:
		ReportServiceStatus(SERVICE_STOP_PENDING, NO_ERROR, 0);
		SetEvent(ServiceStopEvent);
		ReportServiceStatus(ServiceStatus.dwCurrentState, NO_ERROR, 0);
	case SERVICE_CONTROL_INTERROGATE:
		break;

	default:
		break;
	}

}

VOID ServiceWorker(DWORD Argc, LPTSTR *Argv) {

	//we need to create an event that the svcctrlhhandler will use to signal when it recieves the stop code
	ServiceStopEvent = CreateEvent(
		NULL,
		TRUE,
		FALSE,
		NULL
	);

	if (ServiceStopEvent == NULL) {
		ReportServiceStatus(SERVICE_STOPPED, NO_ERROR, 0);
		return;
	}

	ReportServiceStatus(SERVICE_RUNNING, NO_ERROR, 0);

	DWORD ThreadID;
	HANDLE myHandle = CreateThread(0, 0, PopupThread, NULL , 0, &ThreadID);

	while (1) {

		WaitForSingleObject(ServiceStopEvent, INFINITE);
		ReportServiceStatus(SERVICE_STOPPED, NO_ERROR, 0);
		return;
	}
}

VOID WINAPI ServiceMain(DWORD Argc, LPTSTR *Argv) {

	ServiceStatusHandle = RegisterServiceCtrlHandler(
		ServiceName,
		ServiceControlHandler
	);

	ServiceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
	ServiceStatus.dwServiceSpecificExitCode = 0;

	ReportServiceStatus(SERVICE_START_PENDING, NO_ERROR, 3000);

	ServiceWorker(Argc, Argv);

}

int main()
{

	SERVICE_TABLE_ENTRY DispatchTable[] =
	{
		{(LPWSTR)ServiceName, (LPSERVICE_MAIN_FUNCTION)ServiceMain},
		{NULL, NULL}
	};

	StartServiceCtrlDispatcher(DispatchTable);

}