#ifndef RVL_SDK_FS_H
#define RVL_SDK_FS_H
#include "common.h"
#include "rvl/IPC.h" // IWYU pragma: export


#ifdef __cplusplus
extern "C" {
#endif

#define FS_MAX_PATH 64

typedef void (*FSAsyncCallback)(s32 result, void *arg);

typedef struct FSStats {
    char UNK_0x0[0x1C];
} FSStats;

// Could be more fields, but not larger than 32B
typedef struct FSFileStats {
    u32 length;   // at 0x0
    u32 position; // at 0x4
} FSFileStats ALIGN_DECL(32);

s32 ISFS_OpenLib(void);
s32 ISFS_CreateDir(const char *path, u32 attr, u32 ownerPerm, u32 groupPerm, u32 otherPerm);
s32 ISFS_CreateDirAsync(
    const char *path, u32 attr, u32 ownerPerm, u32 groupPerm, u32 otherPerm, FSAsyncCallback callback, void *callbackArg
);
s32 ISFS_ReadDir(const char *path, char *filesOut, u32 *fileCountOut);
s32 ISFS_ReadDirAsync(const char *path, char *filesOut, u32 *fileCountOut, FSAsyncCallback callback, void *callbackArg);
s32 ISFS_GetAttr(
    const char *path, u32 *ownerIdOut, u16 *groupIdOut, u32 *attrOut, u32 *ownerPermOut, u32 *groupPermOut,
    u32 *otherPermOut
);
s32 ISFS_GetAttrAsync(
    const char *path, u32 *ownerIdOut, u16 *groupIdOut, u32 *attrOut, u32 *ownerPermOut, u32 *groupPermOut,
    u32 *otherPermOut, FSAsyncCallback callback, void *callbackArg
);
s32 ISFS_Delete(const char *path);
s32 ISFS_DeleteAsync(const char *path, FSAsyncCallback callback, void *callbackArg);
s32 ISFS_Rename(const char *from, const char *to);
s32 ISFS_RenameAsync(const char *from, const char *to, FSAsyncCallback callback, void *callbackArg);
s32 ISFS_GetUsage(const char *path, s32 *blockCountOut, s32 *fileCountOut);
s32 ISFS_CreateFile(const char *path, u32 attr, u32 ownerPerm, u32 groupPerm, u32 otherPerm);
s32 ISFS_CreateFileAsync(
    const char *path, u32 attr, u32 ownerPerm, u32 groupPerm, u32 otherPerm, FSAsyncCallback callback, void *callbackArg
);
s32 ISFS_Open(const char *path, IPCOpenMode mode);
s32 ISFS_OpenAsync(const char *path, IPCOpenMode mode, FSAsyncCallback callback, void *callbackArg);
s32 ISFS_GetFileStats(s32 fd, FSFileStats *statsOut);
s32 ISFS_GetFileStatsAsync(s32 fd, FSFileStats *statsOut, FSAsyncCallback callback, void *callbackArg);
s32 ISFS_Seek(s32 fd, s32 offset, IPCSeekMode mode);
s32 ISFS_SeekAsync(s32 fd, s32 offset, IPCSeekMode mode, FSAsyncCallback callback, void *callbackArg);
s32 ISFS_Read(s32 fd, void *dst, s32 len);
s32 ISFS_ReadAsync(s32 fd, void *dst, s32 len, FSAsyncCallback callback, void *callbackArg);
s32 ISFS_Write(s32 fd, const void *src, s32 len);
s32 ISFS_WriteAsync(s32 fd, const void *src, s32 len, FSAsyncCallback callback, void *callbackArg);
s32 ISFS_Close(s32 fd);
s32 ISFS_CloseAsync(s32 fd, FSAsyncCallback callback, void *callbackArg);
s32 ISFS_ShutdownAsync(FSAsyncCallback callback, void *callbackArg);

#ifdef __cplusplus
}
#endif
#endif