#ifndef L2SU_VERSION_H_INCLUDED
#define L2SU_VERSION_H_INCLUDED

#include "digest/digest.h"
#include <time.h>
#include <jansson.h>

enum {
  VERSION_SUCCESS,
  VERSION_EFORMAT,
  VERSION_EJSON,
  VERSION_EALLOC,
  VERSION_ERRNO,
  VERSION_EDOWNLOAD
};

struct l2_version_remote {
  struct l2_version_remote *next;
  struct l2_version_remote *prev;

  char *id;
  char *type;
  char *url;

  l2_sha1_digest_t sha1;
  json_int_t compliance_level;

  time_t update_time;
  time_t release_time;
};

enum {
  VERSION_ARG_ACTION_ALLOW,
  VERSION_ARG_ACTION_DISALLOW
};

#define FEATURE_DEMO (1u << 0)
#define FEATURE_CUSTOM_RES (1u << 1)
#define FEATURE_QUICK_PLAY_SUPPORTED (1u << 2)
#define FEATURE_QUICK_PLAY_SINGLEPLAYER (1u << 3)
#define FEATURE_QUICK_PLAY_MULTIPLAYER (1u << 4)
#define FEATURE_QUICK_PLAY_REALMS (1u << 5)

struct l2_version_download {
  char *url;
  l2_sha1_digest_t sha1;
  size_t size;
};

struct l2_version_rule {
  unsigned action;
  unsigned features;

  struct l2_version_argument_rule_os {
    char *name; /* exact match */
    char *arch; /* regex */
    char *version; /* regex */
  } os;

  struct l2_version_argument_rule *next;
};

struct l2_version_argument {
  char **value; /* ends with NULL */

  struct l2_version_rule *rules;

  struct l2_version_argument *next;
};

struct l2_version {
  struct l2_version_argument *game;
  struct l2_version_argument *jvm;

  struct l2_version_asset_index {
    char *id;
    struct l2_version_download download;
    size_t total_size;
  } asset_index;

  char *assets; /* should equal asset_index.id */
  json_int_t compliance_level;

  struct l2_version_jar_download {
    char *id;
    struct l2_version_jar {
      char *name;
      struct l2_version_download download;
      struct l2_version_jar *next;
    } *jars;
  } downloads;

  struct l2_version_java_version {
    char *component;
    json_int_t major_version;
  } java_version;

  struct l2_version_library {
    char *name;

    struct l2_version_library_download {
      struct l2_version_library_artifact {
        char *path;
        struct l2_version_download download;
      } *artifact;

      struct l2_version_download_classifier {
        char *name;
        char *path;
        struct l2_version_download download;
        struct l2_version_download_classifier *next;
      } *classifiers;
    } downloads;

    struct l2_version_library_extract {
      char **exclude; /* ends with NULL */
    } *extract;

    struct l2_version_rule *rules;

    struct l2_version_native {
      char *os;
      char *name;
      struct l2_version_native *next;
    } *natives;
  } *libraries;

  char *main_class;
  char *type;
  time_t release_time;
  time_t time;

  struct l2_version *inherits;
  /* minecraftArguments, */
};

extern const char *const l2_version__messages[];

#define l2_version_strerror(_en) l2_version__messages[(_en)]

unsigned l2_version_load_remote(void);

unsigned l2_version_load_local(const char *name);

#endif /* include guard */