#ifndef LIBMINEZIPER_ZIP_H
#define LIBMINEZIPER_ZIP_H

#pragma pack(1)

#define START_EOCD_SEARCH 22
#define EOCD_SIG          "PK\05\06"
#define LFH_SIG           "PK\03\04"
#define CDH_SIG           "PK\01\02"

typedef struct raw
{
  char* buf;
  int size;
} raw;

typedef struct LFH
{
  int sig;  // LFH_SIG "PK\03\04"
  short version;
  short f;
  short compression_method;
  short last_mod_time;
  short last_mod_date;
  int crc32;
  int compressed_size;
  int uncompressed_size;
  short filename_length;
  short extra_field_length;
  char* filename;
} LFH;

typedef struct CDH
{
  int sig;  // CDH_SIG "PK\01\02"
  short v1;
  short v2;
  short f;
  short compression_method;
  short last_mod_time;
  short last_mod_date;
  int crc32;
  int compressed_size;
  int uncompressed_size;
  short filename_length;
  short extra_field_length;
  short file_comment_length;
  short disk_number_start;
  short internal_file_attributes;
  int external_file_attributes;
  int off_lfh;
} CDH;

typedef struct EOCD
{
  int sig;  // CDH_SIG "PK\05\06"
  char d[6];
  short number_of_entries;
  int size_cdh;
  int off_cdh;
} EOCD;

typedef struct zip
{
  // compression type
  char* cd;
  CDH** cdh;
  EOCD* eocd;
} zip;

void find_cdh(raw* raw, zip* out);
void parse_zip(char* filename, zip* out);

#endif