#ifndef __SAFEC_MAP_H
#include "types.h"

size_t hash_bytes(const void* start, size_t size);

typedef size_t (*hash_func_t)(const void* key);
typedef bool (*eq_func_t)(const void* key1, const void* key2);
typedef void (*map_foreach_func_t)(void* key, void* val, void* data);
typedef void (*set_foreach_func_t)(void* key, void* data);

struct __map_entry {
    void* key;
    void* value;
    struct __map_entry* next;
};

typedef struct {
    hash_func_t hash_func;
    eq_func_t eq_func;
    double load_limit;

    size_t size;

    size_t __num_buckets;
    struct __map_entry** __buckets;
} map_t;

void map_init(
    map_t* map,
    hash_func_t hash_func,
    eq_func_t eq_func,
    double load_limit);
void map_init_capacity(
    map_t* map,
    hash_func_t hash_func,
    eq_func_t eq_func,
    double load_limit,
    size_t capacity);
void map_destroy(map_t* map);

bool map_contains(const map_t* map, const void* key);
void* map_get(const map_t* map, const void* key);
void* map_get_or_default(const map_t* map, const void* key, void* default_val);
void* map_compute_if_absent(map_t* map, void* key, void* default_val);
void map_put(map_t* map, void* key, void* val);
void* map_remove(map_t* map, const void* key);
void map_foreach_readonly(
    map_t* map,
    map_foreach_func_t foreach_func,
    void* data);
void map_foreach_readwrite(
    map_t* map,
    map_foreach_func_t foreach_func,
    void* data);

typedef struct {
    hash_func_t hash_func;
    eq_func_t eq_func;
    double load_limit;

    size_t size;

    size_t __num_buckets;
    void** __buckets;
} set_t;

void set_init(
    set_t* set,
    hash_func_t hash_func,
    eq_func_t eq_func,
    double load_limit);
void set_init_capacity(
    set_t* set,
    hash_func_t hash_func,
    eq_func_t eq_func,
    double load_limit,
    size_t capacity);
void set_destroy(set_t* set);

bool set_contains(const set_t* set, const void* key);
void* set_get(const set_t* set, const void* key);
void* set_get_or_default(const set_t* set, const void* key, void* default_key);
void* set_add(set_t* set, void* key);
void set_put(set_t* set, void* key);
void* set_remove(set_t* set, const void* key);
void set_foreach(set_t* set, set_foreach_func_t foreach_func, void* data);

#endif