#ifndef _PKG_H_
#define _PKG_H_

#include "libcore/types.h"

typedef struct pkg_generation {
  uint32_t export_count;
  uint32_t name_count;
  uint32_t netobject_count;
} pkg_generation_t;

typedef struct pkg_compressed_chunk_block {
  uint32_t compressed_size;
  uint32_t uncompressed_size;
} pkg_compressed_chunk_block_t;

typedef struct pkg_compressed_chunk {
  // chunk description
  uint32_t uncompressed_offset;
  uint32_t uncompressed_size;
  uint32_t compressed_size;
  uint32_t compressed_offset;

  // chunk header
  uint32_t magic;
  uint32_t maxblocksize;
  uint32_t compressed_size2;
  uint32_t uncompressed_size2;

  // chunk blocks
  uint32_t nblocks;
  pkg_compressed_chunk_block_t *blocks;
} pkg_compressed_chunk_t;

typedef struct pkg {
  uint16_t version;
  uint16_t licensee;

  uint32_t unkf0;

  int32_t dirnamelen;
  uint8_t *dirname;

  uint32_t flags;

  // read if (flags & 8)
  uint32_t unkf1;

  uint32_t name_count;
  uint32_t name_offset;
  uint32_t export_count;
  uint32_t export_offset;
  uint32_t import_count;
  uint32_t import_offset;
  uint32_t unkf2;

  // read if version >= 623
  uint32_t unkf3;
  uint32_t unkf4;
  uint32_t unkf5;

  // read if version >= 584
  uint32_t unkf6;

  // guid
  uint32_t g0, g1, g2, g3;

  uint32_t ngenerations;
  pkg_generation_t *generations;

  uint32_t enginever;
  uint32_t cookerver;

  // read if 0 < licensee < 0x88
  uint32_t unkf7;

  // read if licensee > 0
  uint32_t unkf8;
  uint32_t unkf9;

  // read if 0 < licensee < 0x88
  uint32_t unkf10;
  uint32_t unkf11;

  // compression info
  uint32_t compression_flags;
  uint32_t ncompressed_chunks;
  pkg_compressed_chunk_t *compressed_chunks;

  uint32_t unkf12;

  // read if 0 <= licensee < 0x88
  uint32_t unkf13;
} pkg_t;

typedef enum {
  PKG_E_OK = 0,
} pkg_error_t;

pkg_error_t pkg_create(uint8_t *data, uint32_t size, pkg_t **pkgp);
void pkg_destroy(pkg_t *pkg);


#endif /* _PKG_H_ */