#ifndef _BLOCK_H_
#define _BLOCK_H_

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

#define BLOCK_F_OFF			0x0001
#define BLOCK_F_SHORT		0x0010
#define BLOCK_F_LONG		0x0020
#define BLOCK_F_ENDSTATION  0x0040
#define BLOCK_F_SPEEDLIMIT  0x0100


struct s_Block {
	char name[REFERENCENAME_LEN];
	char s_pos_1[REFERENCENAME_LEN];				//
	char s_center[REFERENCENAME_LEN];
	char s_neg_1[REFERENCENAME_LEN];
	int flags;

	char lockedby[REFERENCENAME_LEN];				// element locked by locreference (only set by server, not by JSON/Webinterface)
} typedef Block;

class Blocks {
	private:
		Block *blocks;
		int max;
		int changed;

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

		// not thread safe
		JSONParse _GetJSON(Block *bl);
		JSONParse _GetJSON(int idx) { return _GetJSON(&blocks[idx]); };

		int last_blockidx;		// to speed up things
		Block* FindBlock(string name);
	public:
		Blocks();
		~Blocks();

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

		int Change(Block *se);
		int Delete(string name);

		JSONParse GetJSON(string name);
		void GetJSONAll(JSONParse *json);
		Block GetBlockFromJSON(JSONParse *j);

		int SetOff(string blname);
		int IsOff(string blname);

		string GetSensorMinus  (string blname);
		string GetSensorCenter (string blname);
		string GetSensorPlus   (string blname);
		int GetFlags  (string blname);

		int SetLockedby (string blname, string lockedby, int lock_onoff);
		string GetLockedby (string blname);
		void ClearLockedby(string name);

		int Clear(string name);
};

#endif