#ifndef _NETWORK_H_
#define _NETWORK_H_

#include <UDPTCPNetwork.h>
#include <string>
#include <list>
#include <string>
#include <sys/time.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <netdb.h>
#include <errno.h>
#include <math.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <syslog.h>
#include <pthread.h>
#include <sys/syscall.h>

using namespace std;

#include "modelbahn.h"
#include "json.h"


extern int next_sessionID;


class Session {
private:
	int sessionID;
	int randomID;
	list<string> changes;

	void AddJSONRailway(JSONParse *jp);
	void DelJSONRailway(JSONParse *jp);

	void AddJSONTurnout(JSONParse *jp);
	void DelJSONTurnout(JSONParse *jp);
	void SetJSONTurnout(JSONParse *jp);

	void AddJSONSensor(JSONParse *jp);
	void DelJSONSensor(JSONParse *jp);

	void AddJSONInterface(JSONParse *jp);
	void DelJSONInterface(JSONParse *jp);

	void AddJSONLocomotive(JSONParse *jp);
	void DelJSONLocomotive(JSONParse *jp);
	void SetJSONLocomotive(JSONParse *jp);

public:
	Session(int rid);
	~Session();

	 // changed which need to be send to the client //
	void ChangeListPush(string chng);		// push ChangeList (String must be JSON format)
	JSONElement ChangeListGet();			// get ChangeList as JSON and clear list
	void ChangesListClear();				// clear out Change list

	int	GetSessionID() { return sessionID; };
	int	GetRandomID() { return randomID; };

	int SendData(UNIX *u, string data);

	int ProcessData(JSONParse *jin, JSONParse *jout);
};


class Network {
private:
	void ThreadProcess();
	pthread_mutex_t mtx;
	pthread_t thread;
	int thread_running;

	list<Session*> sessions;
	list<UNIX*> clients;

	Session *GetSession(int Sid);
	int ServerLoop(); 					// loop for network connection and call clientloop if needed
	int ClientLoop(UNIX *u);
	UNIX sockserver;

	void _ChangeListPushToAll (string changes);		// not thread save
	friend class Session;
public:
	Network();
	~Network();

	int LockThread();
	int UnLockThread();

	int Start();
	void Stop();
	void ChangeListPushToAll (string changes); 		// adds JSON compat. change string too all clients

	int isRunning() { return thread_running; }
protected:
	static void *ThreadEntry (void *This) { ((Network*)This)->ThreadProcess(); return NULL;};
};


#endif		// _NETWORK_H_