#pragma once
#include <glib-2.0/glib.h>
#include <glib-2.0/gmodule.h>
#include <glib-2.0/glib-object.h>
#include "packet.h"
#include "evt_core.h"
#define PACKET_BUFFER_SIZE 20

struct algo_params {
  uint8_t is_waiting_bootstrap;
  uint8_t is_healing;
  char* algo_name;
};


struct algo_ctx;
typedef void (*algo_init)(struct evt_core_ctx* ctx, struct algo_ctx* app_ctx, struct algo_params* ap);
typedef int  (*algo_ctx_on_buffer)(struct evt_core_ctx* ctx, struct evt_core_fdinfo* fdinfo, struct buffer_packet* bp);
typedef int  (*algo_ctx_on_event)(struct evt_core_ctx* ctx, struct evt_core_fdinfo* fdinfo);

typedef void (*algo_ctx_free_misc)(void*);

struct algo_desc {
  char* name;
  algo_init init;
  algo_ctx_on_buffer on_stream;
  algo_ctx_on_buffer on_datagram;
  algo_ctx_on_event on_timer;
  algo_ctx_on_event on_err;
};

struct algo_ctx {
  struct algo_desc* desc;
  uint8_t link_count;
  uint8_t is_rdy;
  struct algo_params ap;
  int ref_count;
  struct buffer_packet bps[PACKET_BUFFER_SIZE];
  GQueue* free_buffer;              // Available buffers
  GHashTable* used_buffer;          // Buffers used for reading or writing
  GQueue* read_waiting;             // Who wait to be notified for a read
  GHashTable* application_waiting;  // Structure that can be used by the algo for its internal logic
  GHashTable* write_waiting;        // Structure to track packets waiting to be written
  void* misc;                       // Additional structures
  algo_ctx_free_misc free_misc;     // Fx ptr to free misc
};

void mv_buffer_rtow(struct algo_ctx* app_ctx, struct evt_core_fdinfo* from, struct evt_core_fdinfo* to);
void mv_buffer_wtof(struct algo_ctx* app_ctx, struct evt_core_fdinfo* from);
void mv_buffer_rtoa(struct algo_ctx* app_ctx, struct evt_core_fdinfo* from, void* to);
void mv_buffer_atow(struct algo_ctx* app_ctx, void* from, struct evt_core_fdinfo* to);
void mv_buffer_atof(struct algo_ctx* app_ctx, void* from);
void dup_buffer_tow(struct algo_ctx* app_ctx, struct buffer_packet* bp, struct evt_core_fdinfo* to);

struct buffer_packet* get_write_buffer(struct algo_ctx *app_ctx, struct evt_core_fdinfo *fdinfo);
struct buffer_packet* get_read_buffer(struct algo_ctx *app_ctx, struct evt_core_fdinfo *fdinfo);
struct buffer_packet* get_app_buffer(struct algo_ctx *app_ctx, void* idx);

void notify_read(struct evt_core_ctx* ctx, struct algo_ctx* app_ctx);

void free_naive(void* app_ctx);
void free_nothing(void* app_ctx);
void naive_free_simple(void* v);