#ifndef _SERVER_H_
#define _SERVER_H_

#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>

#include "json.h"
#include "modelbahn.h"
#include "turnout.h"
#include "railway.h"
#include "locomotive.h"
#include "sensor.h"
#include "interfaces.h"
#include "block.h"

enum SMODE {
	SMODE_STARTUP,
	SMODE_RESET,
	SMODE_MANUAL,
	SMODE_AUTO,

	SMODE_MAX
};

enum SMRESET {
	SMRESET_STEP_INIT = 0,
	SMRESET_STEP_LOCKS,
	SMRESET_STEP_LOCOMOTIVES,
	SMRESET_STEP_TURNOUTS,
	SMRESET_STEP_SENSORS,
	SMRESET_STEP_INTERFACES,

	SMRESET_STEP_MAX
};

struct s_ModeResetData{
	int mr_step;					// current step
	struct timeval mr_timestamp;	// timestamp ( needed for times )
	int mr_idx;						// mode index
	string mr_lastelm;				// last element
} typedef ModeResetData;



class Server {
private:
	int mode;				// holds the current mode
	int mode_progress;		// to return a value from 0-100
	string status_text;		// some text

	ModeResetData data_reset;

	pthread_mutex_t mtx;
	pthread_t thread;
	int thread_running;
	Turnouts turnouts;
	Sensors sensors;
	Railways railways;
	Locomotives locomotives;
	Interfaces interfaces;
	Blocks blocks;

	void ThreadProcess();
	void LoopCheckChanges();
	bool IsChanged();

	int Load(string fn);
	int Save(string fn);

	friend class Interfaces;
	friend class InterfacesZ21;
	friend class Locomotives;
	friend class Sensors;
	friend class Turnouts;
	friend class Blocks;
	friend class Railways;
public:
	/////////////////////////////////////////
	// functions here are required to be thread save

	Server();
	~Server();

	int Start();
	int isRunning() { return thread_running; }

	void LockThread();
	void UnLockThread();

	//////////////////////////////////////////////
	// General Commands, for controlling trains,
	// turnouts and sensors
	//
	void PowerOnOff(int onoff) { interfaces.PowerOnOff(onoff); };

	int GetHeight() { return railways.GetHeight(); };
	int GetWidth() { return railways.GetWidth(); };

	//
	// Load Save Part
	int Load();
	int Save();

	//
	// Reset dynamic data
	JSONParse GetJSONServerStatus();
	void SetModeReset();				// mode Reset if finished will go to Manual
	void SetModeManual();				// Manual Mode
	void SetModeAuto();					// only allowed if Manual was set
	void SetModeError(string text);		// will cut power and keep this mode, until reset or Mode Manual

	void CycleModeReset();				// one Cycle in mode reset

	string GetStatus();					// return status

	/////////////////////////////////////////
	// Railway
	int RailwayChange(Railway *rw) { return railways.Change(rw);};
	JSONParse RailwayGetJSONTrack() { return railways.GetJSONTrack(); };
	JSONParse RailwayGetJSONRailway (int x, int y) { return railways.GetJSONRailway(x, y); };
	Railway GetRailwayFromJSON(JSONParse *j) { return railways.GetRailwayFromJSON(j); };

	/////////////////////////////////////////
	// Turnout
	int TurnoutChange(Turnout *t) { return turnouts.Change(t); };
	Turnout TurnoutFromJSON(JSONParse *j) { return turnouts.GetTurnoutFromJSON(j); };
	JSONParse TurnoutGetJSON(string name) { return turnouts.GetJSON(name); };
	int TurnoutDelete(string name) { return turnouts.Delete(name); };
	int TurnoutSet(string name, int active);

	/////////////////////////////////////////
	// Interface
	int InterfaceChange(Interface *i) { return interfaces.Change(i); };
	Interface InterfaceFromJSON(JSONParse *j) { return interfaces.GetInterfaceFromJSON(j); };
	JSONParse InterfaceGetJSON(string name) { return interfaces.GetJSON(name); };
	int InterfaceDelete(string name) { return interfaces.Delete(name); };

	/////////////////////////////////////////
	// Locomotive
	int LocomotiveChange(Locomotive *l) { return locomotives.Change(l); };
	Locomotive LocomotiveFromJSON(JSONParse *j) { return locomotives.GetLocomotiveFromJSON(j); };
	JSONParse LocomotiveGetJSON(string name) { return locomotives.GetJSON(name); };
	int LocomotiveDelete(string name) { return locomotives.Delete(name); };
	int LocomotiveSetSpeed(string name, int speed) { return locomotives.SetSpeed(name, speed); };
	int LocomotiveSetReverse(string name, int reverse) { return locomotives.SetReverse(name, reverse); };
	int LocomotiveSetFunction(string name, int func, int value) { return locomotives.SetFunction(name, func, value); };
	int LocomotiveSetDest(string name, string block, int direction) { return locomotives.SetDestination(name, block, direction); };
	int LocomotiveSetAssign(string name, string block, int direction) { return locomotives.SetAssign(name, block, direction); };
	int LocomotiveReset(string name) { return locomotives.Reset(name); };
	int LocomotiveSetMan(string name) { return locomotives.SetModeMan(name); };
	int LocomotiveSetAuto(string name) { return locomotives.SetModeAuto(name); };
	int LocomotiveSetAutoMan(string name) { return locomotives.SetModeAutoMan(name); };
	int LocomotiveSetAutoRand(string name) { return locomotives.SetModeAutoRand(name); };
	int LocomotiveSetAutoShed(string name) { return locomotives.SetModeAutoShed(name); };

	/////////////////////////////////////////
	// Sensor
	int SensorChange(Sensor *s) { return sensors.Change(s); };
	Sensor SensorFromJSON(JSONParse *j) { return sensors.GetSensorFromJSON(j); };
	JSONParse SensorGetJSON(string name) { return sensors.GetJSON(name); };
	int SensorDelete(string name) { return sensors.Delete(name); };
	int SensorSetActive(string name, int value) { return sensors.SetActive(name, value); };

	/////////////////////////////////////////
	// Blocks
	int BlockChange(Block *s) { return blocks.Change(s); };
	Block BlockFromJSON(JSONParse *j) { return blocks.GetBlockFromJSON(j); };
	JSONParse BlockGetJSON(string name) { return blocks.GetJSON(name); };
	int BlockDelete(string name) { return blocks.Delete(name); };
	int BlockSetOff(string name) { return blocks.SetOff(name); };
	int BlockClear(string name) { return blocks.Clear(name); };

	void GetJSONAll(JSONParse *json);

	/////////////////////////////////////////
	// reports from interfaces
	int LocomotiveAddrSpeed(string name, int addr, int speed) { return locomotives.SetSpeedFromBus(name, addr, speed); };
	int LocomotiveAddrFunction(string name, int addr, int func)  { return locomotives.SetFunctionFromBus(name, addr, func); };
	int TurnoutAddrMode(string name, int addr, int active) { turnouts.SetFromBus(name, addr, active); return 1; };
	int SensorAddrChange(string name, int addr, int active) { sensors.SetFromBus(name, addr, active); return 1; };

protected:
	static void *ThreadEntry (void *This) { ((Server*)This)->ThreadProcess(); return NULL;};
};

#endif // _SERVER_H_