#ifndef VRAM_H
#define VRAM_H

#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>

#include "boot/typedef.h"

typedef int32_t vram_handle_t;

typedef struct {
    uint32_t offset;
    uint32_t size;
    bool is_free;
    vram_handle_t id;
} vram_block_t;

typedef struct {
    uint8_t* base_ptr;
    uint32_t capacity;
    vram_block_t* blocks;
    int blocks_count;
    int max_blocks;
    vram_handle_t next_id;
} vram_manager_t;


extern vram_manager_t *vram_sys;

int init_vram(apios_main_table_t *apios_table_);
vram_handle_t vram_alloc(uint32_t size);
void vram_free(vram_handle_t handle);
void* vram_get_ptr(vram_handle_t handle);
int vram_write(vram_handle_t handle, const void* src, uint32_t size);
int vram_read(vram_handle_t handle, void* dst, uint32_t size);
void vram_defrag();



#endif