#include "SmsDaemon.h"

#include <string>

#include <sstream>
#include "common.h"

#include "GsmModem.h"

#include "Plugin.h"
#include "kbhit.h"

#include "util.h"

#include "TaskManager.h"
#include "PluginManager.h"

#include "version.h"

using namespace std;


void SmsDaemon::CreateLogMessage(SMS& sms,bool hasPlugin)
{
	ostringstream os;
	os << "Recieved sms from " << sms.sender << " ; command=" << GetSmsCommand(sms);
	if (!hasPlugin)
		os << " -- PLUGIN NOT FOUND";

	Common::instance()->logMessage(os.str());
}


void SmsDaemon::CheckSms()
{
	const int INTERVAL = 250; //no of milliseconds between sms checks
	timeval now = Util::GetTimeOfDay();

	if ( Util::mTimeDiff(_lastSmsCheck,now) < INTERVAL)
		return;

	_lastSmsCheck = now;

	Common* cmn = Common::instance();

	PluginManager* manager = cmn->GetPluginManager();
	vector<SMS> sms = _modem.ReadSms();

	for (unsigned int i=0; i<sms.size(); ++i)
	{
		string cmd = GetSmsCommand(sms[i]);
			
		cmd = Util::str_tolower(cmd);

		Plugin* pl = manager->GetPlugin(cmd);

		CreateLogMessage(sms[i], pl != 0);

		if (pl)
		{
			pl->Execute(_modem, sms[i]);
		}
		else
		{
			_modem.SendSms(sms[i].sender, "Unknown command!", false);
		}

		_modem.DeleteSms(sms[i].sms_index);
		cmn->smsCounter.incomming++;
	}
}


void SmsDaemon::MainLoop()
{
	Common* cmn = Common::instance();
	volatile bool& mainContinue = cmn->mainContinue;


	mainContinue = true;

	while (mainContinue)
	{

		CheckSms();

		cmn->GetTaskManager()->ExecuteTasks(_modem);

		if (cmn->isDebug && kbhit())
			break;

		Util::Sleep(10);

	}
}

void SmsDaemon::Start()
{
	Common* cmn = Common::instance();


	cmn->daemonStart = time(0);
	_lastSmsCheck = Util::GetTimeOfDay();

	cmn->logMessage("--------------------------------");
	cmn->logMessage( VERSION );
	cmn->logMessage( SVNVER );

	cmn->GetTaskManager()->LoadTasks();
	cmn->GetPluginManager()->LoadPlugins();
	cmn->logMessage("SMS daemon started");

	_modem.DeleteAllSms();
	
	try
	{
		MainLoop();
	}
	catch (std::exception& e)
	{
		cmn->logMessage( e.what() );
	}
	catch (...)
	{
		cmn->logMessage( "Caught unknown exception" );
	}

	cmn->logMessage( cmn->getStatusMessage() );
}