#pragma once

/*
 *   This file is part of fastboot 3DS
 *   Copyright (C) 2017 derrek, profi200
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "types.h"
#include "fatfs/ff.h"


#define FS_MAX_DEVICES  (2)
#define FS_MAX_DRIVES   (FF_VOLUMES)
#define FS_DRIVE_NAMES  "sdmc:/","twln:/","twlp:/","nand:/"
#define FS_MAX_FILES    (3)
#define FS_MAX_DIRS     (2)


typedef enum
{
	FS_DEVICE_SDMC = 0,
	FS_DEVICE_NAND = 1
} FsDevice;

typedef enum
{
	FS_DRIVE_SDMC = 0,
	FS_DRIVE_TWLN = 1,
	FS_DRIVE_TWLP = 2,
	FS_DRIVE_NAND = 3
} FsDrive;

typedef enum
{
	FS_OPEN_READ          = FA_READ,
	FS_OPEN_WRITE         = FA_WRITE,
	FS_OPEN_EXISTING      = FA_OPEN_EXISTING,
	FS_CREATE_NEW         = FA_CREATE_NEW,
	FS_CREATE_ALWAYS      = FA_CREATE_ALWAYS,
	FS_OPEN_ALWAYS        = FA_OPEN_ALWAYS,
	FS_OPEN_APPEND        = FA_OPEN_APPEND
} FsOpenMode;

typedef FILINFO FsFileInfo;
typedef s32 DevHandle;
typedef s32 DevBufHandle;



s32  fMount(FsDrive drive);
s32  fUnmount(FsDrive drive);
bool fIsDriveMounted(FsDrive drive);
s32  fGetFree(FsDrive drive, u64 *size);
u32  fGetDeviceSize(FsDevice dev);
bool fIsDevActive(FsDevice dev);
s32  fPrepareRawAccess(FsDevice dev);
s32  fFinalizeRawAccess(DevHandle handle);
s32  fCreateDeviceBuffer(u32 size);
s32  fFreeDeviceBuffer(DevBufHandle handle);
s32  fReadToDeviceBuffer(s32 sourceHandle, u32 sourceOffset, u32 sourceSize, DevBufHandle devBufHandle);
s32  fsWriteFromDeviceBuffer(s32 destHandle, u32 destOffset, u32 destSize, DevBufHandle devBufHandle);
s32  fOpen(const char *const path, FsOpenMode mode);
s32  fRead(s32 handle, void *const buf, u32 size);
s32  fWrite(s32 handle, const void *const buf, u32 size);
s32  fSync(s32 handle);
s32  fLseek(s32 handle, u32 offset);
u32  fTell(s32 handle);
u32  fSize(s32 handle);
s32  fClose(s32 handle);
s32  fExpand(s32 handle, u32 size);
s32  fStat(const char *const path, FsFileInfo *fi);
s32  fOpenDir(const char *const path);
s32  fReadDir(s32 handle, FsFileInfo *fi, u32 num);
s32  fCloseDir(s32 handle);
s32  fMkdir(const char *const path);
s32  fRename(const char *const old, const char *const new);
s32  fUnlink(const char *const path);
s32  fVerifyNandImage(const char *const path);
s32  fSetNandProtection(bool protect);

#ifdef ARM9
void fsDeinit(void);
#endif