#ifndef _LOCOMOTIVE_H_
#define _LOCOMOTIVE_H_

#include "modelbahn.h"
#include "server.h"

#define LOCO_F_REVERSE	0x0001
#define LOCO_F_CARGO	0x0002
#define LOCO_F_AUTO		0x0100
#define LOCO_F_RANDOM	0x0200

enum {
	LOCO_INT_UNDEF = 0,
	LOCO_INT_DCC14,
	LOCO_INT_DCC28,
	LOCO_INT_DCC128
};

struct s_Locomotive {
	char name[REFERENCENAME_LEN];		// name
	char ifname[REFERENCENAME_LEN];		// ref. of interface
	int addr;							// address on bus
	int stepcode;						// stepcoding LOCO_INT_DCC...
	int flags;							// flags
	int vmin;							// speed - below this we always set 0
	int vslow;							// speed - slow entry in trainstation
	int vmid;							// speed - for normal trains (max for cargo trains, on automode)
	int vfast;							// speed - for normal trains
	int vmax;							// speed - maximum speed

	// dynamic data
	int speed;							// current speed
	int64_t func;						// function enabled ... light...
	char blockassign;					// currently assigned block [+BLOCKREFNAME ... -BLOCKREFNAME]
	char blocknext;						// next block to go to
	char blockprev;						// prev block (mostly assigned block
	char blockdestination;				// destination block
} typedef Locomotive;

class Locomotives {
	private:
		Locomotive *locomotives;
		int max;
		int changed;

		pthread_mutex_t mtx;
		int Lock();
		int UnLock();

		// not thread safe
		JSONParse _GetJSON(int idx);

	public:
		Locomotives();
		~Locomotives();

		bool IsChanged() { return changed; }
		void ClearChanged() { changed = 0; };

		int Change(Locomotive *loco);
		int Delete(string name);
		int SetSpeed(string name, int speed);
		int SetReverse(string name, int reverse);
		int SetFunction(string name, int func, int value);

		int SetSpeedFromBus (string ifname, int addr, int speed);
		int SetFunctionFromBus (string ifname, int addr, int func);

		string GetName(int idx);

		JSONParse GetJSON(string name);
		void GetJSONAll(JSONParse *json);
		Locomotive GetLocomotiveFromJSON(JSONParse *j);
};


#endif