#include <string>

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

#include "GsmModem.h"
#include "SerialPort.h"

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

#include "util.h"

using namespace std;
using namespace Util;


void create_log_message(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 main_loop(GsmModem& modem)
{
	Common* cmn = Common::instance();
	volatile bool& mainContinue = cmn->mainContinue;

	PluginManager& manager = cmn->pluginManager;

	mainContinue = true;

	while (mainContinue)
	{
		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);

			create_log_message(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++;
		}

		cmn->taskManager.ExecuteTasks();


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

		Util::Sleep(10);

	}
}

bool sms_exit(int exitcode)
{
    if (Common::instance()->isDaemon)
        daemonCleanup();

	exit(exitcode);
}

int main(int argc, char* argv[])
{
	Common* cmn = Common::instance();

	//Set default values

	cmn->setLogfile( "/var/log/smsdaemon.log");
	cmn->pidfile = "/var/run/smsdaemon.pid";
	cmn->spooldir = "/var/spool/smsdaemon";

	cmn->uid = 1000;
	cmn->gid = 1000;

	cmn->loadConfig(argc,argv);
	cmn->daemonStart = time(0);

	
	/////////////////////
	
	//Write a delimiter line in the logfile to seperate sessions

	if (Common::instance()->isDaemon)
		daemonize();

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

	cmn->taskManager.LoadTasks();
	cmn->pluginManager.LoadPlugins();
	
	SerialPort port("/dev/ttyS1" );
	try
	{
		port.Open( SerialPort::BAUD_9600, 
				   SerialPort::CHAR_SIZE_8, 
				   SerialPort::PARITY_NONE, 
				   SerialPort::STOP_BITS_1, 
				   SerialPort::FLOW_CONTROL_HARD );
	}
	catch(std::exception &e)
	{
		cmn->logMessage( string("PortOpen Exception: ") + e.what() );
		sms_exit(1);
	}

	GsmModem modem(port);

	try
	{
		modem.Init();
	}
	catch (std::exception& e)
	{
		cmn->logMessage( string("GsmModem Exception: ") + e.what() );
		sms_exit(2);
	}


	//////////////////////////////////

	cmn->logMessage("SMS daemon started");

	modem.DeleteAllSms();

	main_loop(modem);

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

    if (cmn->isDaemon)
        daemonCleanup();

	return 0;
}