#include <string>
#include <stdlib.h>
#include <iostream>

#include "daemon.h"
#include "Common.h"
#include "Logger.h"

#include "ModemTransceiver.h"
#include "DebugTransceiver.h"
#include "SmsToolTransceiver.h"

#include "serialport/SerialPort.h"
#include "SmsDaemon.h"
#include "ConfigFile.h"

using namespace std;


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

	exit(exitcode);
}

SerialPort* port = 0;
ISmsTransceiver* transceiver = 0;

void openModemPort()
{
	Common* cmn = Common::instance();
	ConfigFile* config = cmn->GetConfigfile();

	port = new SerialPort ( config->GetValue("gsmmodem","serialport") );
	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)
	{
		Logger::logMessage( string("PortOpen Exception: ") + e.what() );
		sms_exit(1);
	}

	transceiver = new ModemTransceiver(*port);

	try
	{
		((ModemTransceiver*)transceiver)->Init();
	}
	catch (std::exception& e)
	{
		Logger::logMessage( string("ModemTransceiver Exception: ") + e.what() );
		sms_exit(2);
	}
}
void closeModemPort()
{
	port->Close();
	delete port;
	delete transceiver;
}

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

	//Set default values

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


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

	ConfigFile* config = cmn->GetConfigfile();

	bool res = config->Open( cmn->configFilePath ) ;
	if (!res)
	{
		cout << "Could not open config file:" << cmn->configFilePath << endl;
		return 1;
	}

	Logger::initLog();


	/////////////////////
	string transconf = config->GetValue("smsdaemon", "transceiver");


	if (transconf == "internal")
	{
		openModemPort();
		closeModemPort();
	}
	else if ( transconf == "debug" || transconf == "smstools")
	{
		//do nothing
	}
	else
	{
		Logger::logMessage( string("Invalid transceiver setting: ")+transconf);
		exit(1);
	}



	if (Common::instance()->isDaemon)
	{
		lookup_uid_values();
		daemonize();
		cmn->daemonized = true;
	}


	if (transconf == "internal")
	{
		openModemPort();
	}
	else if (transconf =="smstools")
	{
		transceiver = new SmsToolTransceiver();
	}
	else if (transconf == "debug")
	{
		transceiver = new DebugTransceiver();
	}

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

	SmsDaemon daemon(*transceiver);

	daemon.Start();
	//returns here when main-loop exits

	if (cmn->isDaemon)
		daemonCleanup();

	if (transconf == "builtin")
	{
		closeModemPort();
	}

	return 0;
}