/**
 * Copyright (c) 2025 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#pragma once
#include "dusk.h"
#include "assetpalette.h"
#include "assettileset.h"
#include "error/error.h"
#include <zip.h>

#define ASSET_COUNT_MAX 128
#define ASSET_FILENAME_MAX 128

#if ASSET_TYPE == wad
#else
  #error "Unsupported ASSET_TYPE"
#endif

typedef struct {
  char_t header[3];
  union {
    assetpalette_t palette;
    assettileset_t tileset;
  };
} assetdata_t;

typedef enum {
  ASSET_STATE_NONE,
  ASSET_STATE_LOADING,
  ASSET_STATE_LOADED,
  ASSET_STATE_ERROR
} assetstate_t;

typedef struct {
  int32_t nothing;
  zip_t *zip;
  // thread_t thread;

  errorstate_t errorState;
  errorret_t error;
  assetstate_t state;
  char_t filename[ASSET_FILENAME_MAX];
  assetdata_t data;
} asset_t;

static const char_t ASSET_SEARCH_PATHS[][FILENAME_MAX] = {
  "%s/%s",
  "./%s",
  "../%s",
  "../../%s",
  "data/%s",
  "../data/%s",
};

#define ASSET_SEARCH_PATHS_COUNT (\
  sizeof(ASSET_SEARCH_PATHS) / FILENAME_MAX\
)

extern asset_t ASSET;

/**
 * Initializes the asset system.
 */
errorret_t assetInit(void);

/**
 * Gets an asset by filename, does not load it.
 * 
 * @param filename The filename of the asset to get.
 * @return The asset.
 */
void assetLoad(const char_t *filename);

/**
 * Disposes/cleans up the asset system.
 */
void assetDispose(void);