/*
 * =====================================================================================
 *
 *       Filename:  notif.h
 *
 *    Description:  
 *
 *        Version:  1.0
 *        Created:  10/03/24 12:02:16 PM IST
 *       Revision:  none
 *       Compiler:  gcc
 *
 *         Author:  YOUR NAME (), 
 *   Organization:  
 *
 * =====================================================================================
 */
#ifndef __NOTIF_CHAIN_
#define __NOTIF_CHAIN_

#include <stddef.h>  /* for size_t */
#include "glthread/glthread.h"
#include <stdint.h>
#include <stdbool.h>
#define MAX_NOTIF_KEY_SIZE	64

typedef enum{

	NFC_UNKNOWN,
	NFC_SUB,
	NFC_ADD,
	NFC_MOD,
	NFC_DEL,
} nfc_op_t;

static inline char *
nfc_get_str_op_code(nfc_op_t nfc_op_code) {

	static char op_code_str[16];

	switch(nfc_op_code) {

		case NFC_UNKNOWN:
			return "NFC_UNKNOWN";
		case NFC_SUB:
			return "NFC_SUB";
		case NFC_ADD:
			return "NFC_ADD";
		case NFC_MOD:
			return "NFC_MOD";
		case NFC_DEL:
			return "NFC_DEL";
		default:
			return NULL;
	}
}


typedef void (*nfc_app_cb)(void *, size_t, nfc_op_t, uint32_t);

typedef struct notif_chain_elem_{

    char key[MAX_NOTIF_KEY_SIZE];
    size_t key_size;
	uint32_t subs_id;
    bool is_key_set;
    nfc_app_cb app_cb;
    glthread_t glue;
} notif_chain_elem_t;
GLTHREAD_TO_STRUCT(glthread_glue_to_notif_chain_elem,
                   notif_chain_elem_t, glue);

typedef struct notif_chain_ {

    char nfc_name[64];
    glthread_t notif_chain_head;
} notif_chain_t;

notif_chain_t *
nfc_create_new_notif_chain(char *notif_chain_name);

void
nfc_delete_all_nfce(notif_chain_t *nfc);

void
nfc_register_notif_chain(notif_chain_t *nfc,
                     notif_chain_elem_t *nfce);

void
nfc_invoke_notif_chain(notif_chain_t *nfc,
                       void *arg, size_t arg_size,
                       char *key, size_t key_size,
					   nfc_op_t nfc_op_code);

#endif /*  __NOTIF_CHAIN_  */