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#ifndef NAK_FFI_H
#define NAK_FFI_H
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/* ========================================================================
* Tier 1: Game Detection
* ======================================================================== */
/** A detected game installation */
typedef struct {
char *name;
char *app_id;
char *install_path;
char *prefix_path; /* NULL if no prefix */
char *launcher; /* display name string */
char *my_games_folder; /* NULL if not applicable */
char *appdata_local_folder; /* NULL if not applicable */
char *appdata_roaming_folder; /* NULL if not applicable */
char *registry_path; /* NULL if not applicable */
char *registry_value; /* NULL if not applicable */
} NakGame;
/** List of detected games */
typedef struct {
NakGame *games;
size_t count;
size_t steam_count;
size_t heroic_count;
size_t bottles_count;
} NakGameList;
/** Detect all installed games across all launchers */
NakGameList nak_detect_all_games(void);
/** Free a NakGameList returned by nak_detect_all_games */
void nak_game_list_free(NakGameList list);
/** A known game definition (static data, do NOT free) */
typedef struct {
const char *name;
const char *steam_app_id;
const char *gog_app_id; /* NULL if none */
const char *epic_app_id; /* NULL if none */
const char *my_games_folder; /* NULL if not applicable */
const char *appdata_local_folder; /* NULL if not applicable */
const char *appdata_roaming_folder; /* NULL if not applicable */
const char *registry_path;
const char *registry_value;
const char *steam_folder;
} NakKnownGame;
/** Get the list of all known games (static data, do NOT free).
* Returns pointer to array; writes count to *out_count. */
const NakKnownGame *nak_get_known_games(size_t *out_count);
/* ========================================================================
* Tier 2: Proton Detection
* ======================================================================== */
/** An installed Proton version */
typedef struct {
char *name;
char *config_name;
char *path;
int is_steam_proton;
int is_experimental;
} NakSteamProton;
/** List of detected Proton installations */
typedef struct {
NakSteamProton *protons;
size_t count;
} NakProtonList;
/** Find all installed Proton versions */
NakProtonList nak_find_steam_protons(void);
/** Free a NakProtonList */
void nak_proton_list_free(NakProtonList list);
/* ========================================================================
* Tier 3: Steam Paths
* ======================================================================== */
/** Find the Steam installation path.
* Returns newly allocated string (free with nak_string_free), or NULL. */
char *nak_find_steam_path(void);
/* ========================================================================
* Tier 4: Dependency Installation (callback-based)
* ======================================================================== */
/** Callback for status/log messages */
typedef void (*NakStatusCallback)(const char *message);
typedef void (*NakLogCallback)(const char *message);
/** Callback for progress updates (0.0 to 1.0) */
typedef void (*NakProgressCallback)(float progress);
/** Install all Wine prefix dependencies (blocking call).
* cancel_flag: pointer to int, set non-zero to cancel.
* Returns NULL on success, or error message (free with nak_string_free). */
char *nak_install_all_dependencies(
const char *prefix_path,
const char *proton_name,
const char *proton_path,
NakStatusCallback status_cb,
NakLogCallback log_cb,
NakProgressCallback progress_cb,
const int *cancel_flag,
uint32_t app_id
);
/** Apply Wine registry settings to a prefix.
* Returns NULL on success, or error message (free with nak_string_free). */
char *nak_apply_wine_registry_settings(
const char *prefix_path,
const char *proton_name,
const char *proton_path,
NakLogCallback log_cb,
uint32_t app_id
);
/** Apply a game's registry entry with a custom install path.
* Looks up game_name in KNOWN_GAMES and writes registry pointing to install_path.
* Returns NULL on success, or an error message (free with nak_string_free). */
char *nak_apply_registry_for_game_path(
const char *prefix_path,
const char *proton_name,
const char *proton_path,
const char *game_name,
const char *install_path,
NakLogCallback log_cb
);
/* ========================================================================
* Tier 5: Prefix Symlinks
* ======================================================================== */
/** Ensure AppData/Local/Temp exists in the Wine prefix.
* Call during prefix creation. */
void nak_ensure_temp_directory(const char *prefix_path);
/** Detect games and create symlinks from the prefix to game prefixes.
* Call during prefix creation. */
void nak_create_game_symlinks_auto(const char *prefix_path);
/* ========================================================================
* Tier 6: Logging
* ======================================================================== */
/** Callback for NaK log messages: (level, message).
* Levels: "info", "warning", "error", "install", "action", "download" */
typedef void (*NakLogLevelCallback)(const char *level, const char *message);
/** Initialize NaK logging with a callback.
* Call once at startup before any other nak_* functions. */
void nak_init_logging(NakLogLevelCallback cb);
/* ========================================================================
* Tier 7: DXVK Configuration
* ======================================================================== */
/** Ensure the DXVK config file exists, downloading if necessary.
* Returns NULL on success, or error message (free with nak_string_free). */
char *nak_ensure_dxvk_conf(void);
/** Get the path to the DXVK config file.
* Returns newly allocated string (free with nak_string_free). */
char *nak_get_dxvk_conf_path(void);
/* ========================================================================
* General
* ======================================================================== */
/** Free a string returned by any nak_* function */
void nak_string_free(char *s);
#ifdef __cplusplus
}
#endif
#endif /* NAK_FFI_H */
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