#ifndef __MESSAGE_SET_H
#define __MESSAGE_SET_H

#include "mlist.h"
#include "sock.h"
#include "mavl.h"
#include "conn.h"
#include "ktv.h"

struct cw_MsgSet {
	mavl_t msgdata;
	mavl_t handlers_by_id;
	mavl_t handlers_by_key;
	mavl_t types_tree;
	
};

struct cw_ElemDef{
	int proto;
	int vendor;
	int id;
	int mand;
	int op;
};

struct cw_ElemData{
	int proto;
	int vendor;
	int id;
	int mand;
};

struct cw_ElemHandlerParams {
	struct conn * conn;
	struct cw_MsgData * msgdata;
	struct cw_ElemData * elemdata;
	struct sockaddr *from;
	mavl_t mand_found;
	cw_KTV_t * elem;
	char * debug_details;
};



struct cw_ElemHandler {
	const char * name;
	int id;
	int vendor;
	int proto;
	int min_len;
	int max_len;
	/*const struct cw_Type * type;*/
	const void * type;
	const char * key;
        int (*get)(struct cw_ElemHandler * handler, struct cw_ElemHandlerParams * params, 
		uint8_t*data, int len);
		
	int (*put)(struct cw_ElemHandler * handler, struct cw_ElemHandlerParams * params, uint8_t * dst);

/*        
	int (*end_in)(struct conn *conn,struct cw_action_in *a,uint8_t*elem,int len,struct sockaddr *from);
*/
};

struct cw_MsgDef{
	const char * name;
	int type;	/**< Message type */
	int receiver;	/**< Who can receive this message */
	int * states;	/**< states in wich the message is allowed */

	
	struct cw_ElemDef * elements;
	int (*postprocess)(struct conn * conn);
};


struct cw_MsgData{
	int type;
	const char * name;
	int * states;
	int receiver;
	mavl_t elements_tree;
	mlist_t elements_list;
	mlist_t mand_keys;  /**< Keys of mandatory elements */

	int (*postprocess)(struct conn * conn);
};





extern struct cw_MsgSet * cw_msgset_create();

extern void cw_msgset_destroy(struct cw_MsgSet * set);
extern int cw_msgset_add(struct cw_MsgSet * set,
			struct cw_MsgDef messages[], struct cw_ElemHandler handlers[]);
/*mlist_t cw_msgset_get_msg(struct cw_MsgSet * set, int type);*/

struct cw_MsgData * cw_msgset_get_msgdata(struct cw_MsgSet *set,int type);
struct cw_ElemHandler * cw_msgset_get_elemhandler(struct cw_MsgSet * set,
		int proto, int vendor, int id);


#endif