/******************************************************************************
 * Ventoy2Disk.h
 *
 * Copyright (c) 2020, longpanda <admin@ventoy.net>
 *
 * 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/>.
 *
 */

#ifndef __VENTOY2DISK_H__
#define __VENTOY2DISK_H__

#include <stdio.h>

#define SIZE_1MB                    (1024 * 1024)
#define VENTOY_EFI_PART_SIZE	    (32 * SIZE_1MB)
#define VENTOY_PART1_START_SECTOR    2048

#define VENTOY_FILE_BOOT_IMG    "boot\\boot.img"
#define VENTOY_FILE_STG1_IMG    "boot\\core.img.xz"
#define VENTOY_FILE_DISK_IMG    "ventoy\\ventoy.disk.img.xz"
#define VENTOY_FILE_LOG         "log.txt"
#define VENTOY_FILE_VERSION     "ventoy\\version"

#define DRIVE_ACCESS_TIMEOUT        15000		// How long we should retry drive access (in ms)
#define DRIVE_ACCESS_RETRIES        150			// How many times we should retry

#define IsFileExist(Fmt, ...) IsPathExist(FALSE, Fmt, __VA_ARGS__)
#define IsDirExist(Fmt, ...)  IsPathExist(TRUE, Fmt, __VA_ARGS__)

#define safe_sprintf(dst, fmt, ...) sprintf_s(dst, sizeof(dst), fmt, __VA_ARGS__)
#define safe_strcpy(dst, src)  strcpy_s(dst, sizeof(dst), src)

#define CHECK_CLOSE_HANDLE(Handle) \
{\
    if (Handle != INVALID_HANDLE_VALUE) \
    {\
        CloseHandle(Handle); \
        Handle = INVALID_HANDLE_VALUE; \
    }\
}

#define LASTERR     GetLastError()

#pragma pack(1)
typedef struct PART_TABLE
{
    UINT8  Active; // 0x00  0x80

    UINT8  StartHead;
    UINT16 StartSector : 6;
    UINT16 StartCylinder : 10;

    UINT8  FsFlag;

    UINT8  EndHead;
    UINT16 EndSector : 6;
    UINT16 EndCylinder : 10;

    UINT32 StartSectorId;
    UINT32 SectorCount;
}PART_TABLE;

typedef struct MBR_HEAD
{
    UINT8 BootCode[446];
    PART_TABLE PartTbl[4];
    UINT8 Byte55;
    UINT8 ByteAA;
}MBR_HEAD;

typedef struct VTOY_GPT_HDR
{
    CHAR   Signature[8]; /* EFI PART */
    UINT8  Version[4];
    UINT32 Length;
    UINT32 Crc;
    UINT8  Reserved1[4];
    UINT64 EfiStartLBA;
    UINT64 EfiBackupLBA;
    UINT64 PartAreaStartLBA;
    UINT64 PartAreaEndLBA;
    GUID   DiskGuid;
    UINT64 PartTblStartLBA;
    UINT32 PartTblTotNum;
    UINT32 PartTblEntryLen;
    UINT32 PartTblCrc;
    UINT8  Reserved2[420];
}VTOY_GPT_HDR;

typedef struct VTOY_GPT_PART_TBL
{
    GUID   PartType;
    GUID   PartGuid;
    UINT64 StartLBA;
    UINT64 LastLBA;
    UINT64 Attr;
    UINT16 Name[36];
}VTOY_GPT_PART_TBL;

typedef struct VTOY_GPT_INFO
{
    MBR_HEAD MBR;
    VTOY_GPT_HDR Head;
    VTOY_GPT_PART_TBL PartTbl[128];
}VTOY_GPT_INFO;

#pragma pack()

#define VENTOY_MAX_PHY_DRIVE  128

typedef struct PHY_DRIVE_INFO
{
    int Id;
    int PhyDrive;
    int PartStyle;//0:MBR 1:GPT
    UINT64 SizeInBytes;
    BYTE DeviceType;
    BOOL RemovableMedia;
    CHAR VendorId[128];
    CHAR ProductId[128];
    CHAR ProductRev[128];
    CHAR SerialNumber[128];
    STORAGE_BUS_TYPE BusType;

    int FirstDriveLetter;
    CHAR VentoyVersion[32];

}PHY_DRIVE_INFO;

typedef enum PROGRESS_POINT
{
    PT_START = 0,
    PT_LOCK_FOR_CLEAN,
    PT_DEL_ALL_PART,
    PT_LOCK_FOR_WRITE,
    PT_FORMAT_PART1,
    PT_LOCK_VOLUME = PT_FORMAT_PART1,
    PT_FORMAT_PART2,

    PT_WRITE_VENTOY_START,
    PT_WRITE_VENTOY_FINISH = PT_WRITE_VENTOY_START + 32,

    PT_WRITE_STG1_IMG,
    PT_WRITE_PART_TABLE,
    PT_MOUNT_VOLUME,

    PT_FINISH
}PROGRESS_POINT;

#define PROGRESS_BAR_SET_POS(pos)  SetProgressBarPos(pos)

extern PHY_DRIVE_INFO *g_PhyDriveList;
extern DWORD g_PhyDriveCount;
extern int g_ForceOperation;
extern HWND g_ProgressBarHwnd;
extern HFONT g_language_normal_font;
extern HFONT g_language_bold_font;

void Log(const char *Fmt, ...);
BOOL IsPathExist(BOOL Dir, const char *Fmt, ...);
void DumpWindowsVersion(void);
const CHAR* GetLocalVentoyVersion(void);
const CHAR* ParseVentoyVersionFromString(CHAR *Buf);
CHAR GetFirstUnusedDriveLetter(void);
const CHAR * GetBusTypeString(STORAGE_BUS_TYPE Type);
int VentoyGetLocalBootImg(MBR_HEAD *pMBR);
int GetHumanReadableGBSize(UINT64 SizeBytes);
void TrimString(CHAR *String);
int VentoyFillMBR(UINT64 DiskSizeBytes, MBR_HEAD *pMBR, int PartStyle);
int VentoyFillGpt(UINT64 DiskSizeBytes, VTOY_GPT_INFO *pInfo);
BOOL IsVentoyLogicalDrive(CHAR DriveLetter);
int GetRegDwordValue(HKEY Key, LPCSTR SubKey, LPCSTR ValueName, DWORD *pValue);
int GetPhysicalDriveCount(void);
int GetAllPhysicalDriveInfo(PHY_DRIVE_INFO *pDriveList, DWORD *pDriveCount);
int GetPhyDriveByLogicalDrive(int DriveLetter);
int GetVentoyVerInPhyDrive(const PHY_DRIVE_INFO *pDriveInfo, UINT64 Part2StartSector, CHAR *VerBuf, size_t BufLen);
int Ventoy2DiskInit(void);
int Ventoy2DiskDestroy(void);
PHY_DRIVE_INFO * GetPhyDriveInfoById(int Id);
int ParseCmdLineOption(LPSTR lpCmdLine);
int InstallVentoy2PhyDrive(PHY_DRIVE_INFO *pPhyDrive, int PartStyle);
int UpdateVentoy2PhyDrive(PHY_DRIVE_INFO *pPhyDrive);
int VentoyFillBackupGptHead(VTOY_GPT_INFO *pInfo, VTOY_GPT_HDR *pHead);
void SetProgressBarPos(int Pos);
int ReadWholeFileToBuf(const CHAR *FileName, int ExtLen, void **Bufer, int *BufLen);
int INIT unxz(unsigned char *in, int in_size,
    int(*fill)(void *dest, unsigned int size),
    int(*flush)(void *src, unsigned int size),
    unsigned char *out, int *in_used,
    void(*error)(char *x));
void disk_io_set_param(HANDLE Handle, UINT64 SectorCount);
INT_PTR CALLBACK PartDialogProc(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam);
int GetReservedSpaceInMB(void);
int FindProcessOccupyDisk(HANDLE hDrive, PHY_DRIVE_INFO *pPhyDrive);
int VentoyFillLocation(UINT64 DiskSizeInBytes, UINT32 StartSectorId, UINT32 SectorCount, PART_TABLE *Table);
int ClearVentoyFromPhyDrive(HWND hWnd, PHY_DRIVE_INFO *pPhyDrive, char *pDrvLetter);
UINT32 VentoyCrc32(void *Buffer, UINT32 Length);

#define SET_FILE_POS(pos) \
    liCurrentPosition.QuadPart = pos; \
    SetFilePointerEx(hDrive, liCurrentPosition, &liCurrentPosition, FILE_BEGIN)\


#endif