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/*
Copyright (C) 2010 Mataes

This is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.

This 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with this file; see the file license.txt.  If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/

#pragma once

// Windows Header Files:
#include <time.h>
#include <stddef.h>
#include <windows.h>
#include <Windowsx.h>
#include <Shlobj.h>
#include <string.h>

// Miranda header files
#include <newpluginapi.h>
#include <m_clist.h>
#include <m_skin.h>
#include <m_langpack.h>
#include <m_options.h>
#include <m_system.h>
#include <m_popup.h>
#include <m_hotkeys.h>
#include <m_netlib.h>
#include <m_icolib.h>
#include <m_assocmgr.h>
#include <win2k.h>
#include <m_pluginupdater.h>

#include <m_folders.h>

#include "version.h"
#include "resource.h"

#if MIRANDA_VER < 0x0A00
	#include <m_system_cpp.h>
	#include "Compat/compat.h"
#else
	#include <m_autobackups.h>
#endif

#include "Notifications.h"

// Enable Visual Style
#if defined _M_IX86
#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='x86' publicKeyToken='6595b64144ccf1df' language='*'\"")
#elif defined _M_IA64
#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='ia64' publicKeyToken='6595b64144ccf1df' language='*'\"")
#elif defined _M_X64
#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='amd64' publicKeyToken='6595b64144ccf1df' language='*'\"")
#else
#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
#endif

#define MODNAME "PluginUpdater"
#define MODULEA "Plugin Updater"
#define MODULE L"Plugin Updater"
#define DEFAULT_UPDATES_FOLDER L"Plugin Updates"

struct FILEURL
{
	wchar_t tszDownloadURL[2048];
	wchar_t tszDiskPath[MAX_PATH];
	int CRCsum;
};

struct FILEINFO
{
	wchar_t   tszOldName[MAX_PATH], tszNewName[MAX_PATH];
	FILEURL File;
	BOOL    bEnabled, bDeleteOnly;
};

typedef OBJLIST<FILEINFO> FILELIST;

extern struct PlugOptions
{
	BYTE bUpdateOnStartup, bUpdateOnPeriod, bOnlyOnceADay, bForceRedownload, bSilentMode, bBackup, bChangePlatform;
	BOOL bSilent;

	BYTE bPeriodMeasure;
	int  Period;
} opts;

#define DEFAULT_UPDATEONSTARTUP   1
#define DEFAULT_UPDATEONPERIOD    0
#define DEFAULT_PERIOD            1
#define DEFAULT_PERIODMEASURE     1

#if MIRANDA_VER < 0x0A00
	#define DEFAULT_ONLYONCEADAY      0
#else
	#define DEFAULT_ONLYONCEADAY      1
#endif

#define DEFAULT_UPDATE_URL                L"https://miranda-ng.org/distr/stable/x%d"
#define DEFAULT_UPDATE_URL_TRUNK          L"https://miranda-ng.org/distr/x%d"
#define DEFAULT_UPDATE_URL_TRUNK_SYMBOLS  L"https://miranda-ng.org/distr/pdb_x%d"


#define FILENAME_X64 L"miranda64.exe"
#define FILENAME_X32 L"miranda32.exe"

#ifdef _WIN64
    #define DEFAULT_BITS 64
    #define DEFAULT_OPP_BITS 32
	#define OLD_FILENAME FILENAME_X64
	#define NEW_FILENAME FILENAME_X32
#else
    #define DEFAULT_BITS 32
    #define DEFAULT_OPP_BITS 64
	#define OLD_FILENAME FILENAME_X32
	#define NEW_FILENAME FILENAME_X64
#endif

#define PLUGIN_INFO_URL	L"https://miranda-ng.org/p/%s"

#define DEFAULT_UPDATE_URL_OLD                "https://miranda-ng.org/distr/stable/x%platform%"
#define DEFAULT_UPDATE_URL_TRUNK_OLD          "https://miranda-ng.org/distr/x%platform%"
#define DEFAULT_UPDATE_URL_TRUNK_SYMBOLS_OLD  "https://miranda-ng.org/distr/pdb_x%platform%"

#define UPDATE_MODE_CUSTOM			0
#define UPDATE_MODE_STABLE			1
#define UPDATE_MODE_TRUNK			2
#define UPDATE_MODE_TRUNK_SYMBOLS	3
#define UPDATE_MODE_MAX_VALUE		3 // when adding new mode, increment this number

#define DB_SETTING_UPDATE_MODE		"UpdateMode"
#define DB_SETTING_UPDATE_URL		"UpdateURL"
#define DB_SETTING_REDOWNLOAD		"ForceRedownload"
#define DB_SETTING_NEED_RESTART		"NeedRestart"
#define DB_SETTING_RESTART_COUNT	"RestartCount"
#define DB_SETTING_LAST_UPDATE		"LastUpdate"
#define DB_SETTING_DONT_SWITCH_TO_STABLE		"DontSwitchToStable"
#define DB_SETTING_CHANGEPLATFORM	"ChangePlatform"
#define DB_MODULE_FILES				MODNAME "Files"
#define DB_MODULE_NEW_FILES         MODNAME "NewFiles"

#define MAX_RETRIES			3

#define IDINFO				3
#define IDDOWNLOAD			4
#define IDDOWNLOADALL		5

using namespace std;

extern HINSTANCE hInst;

extern DWORD g_mirandaVersion;
extern wchar_t g_tszRoot[MAX_PATH], g_tszTempPath[MAX_PATH];
extern aPopups PopupsList[POPUPS];
extern HANDLE hPipe;
extern HNETLIBUSER hNetlibUser;
#if MIRANDA_VER >= 0x0A00
extern IconItemT iconList[];
#endif
void UninitCheck(void);
void UninitListNew(void);

class AutoHandle : private MNonCopyable
{
	HANDLE &m_handle;

public:
	AutoHandle(HANDLE &_handle) : m_handle(_handle) {}
	~AutoHandle()
	{
		if (m_handle) {
			::CloseHandle(m_handle);
			m_handle = nullptr;
		}
	}
};

///////////////////////////////////////////////////////////////////////////////

struct ServListEntry
{
	ServListEntry(const char* _name, const char* _hash, int _crc) :
		m_name( mir_a2u(_name)),
		m_crc(_crc)
	{
		strncpy(m_szHash, _hash, sizeof(m_szHash));
	}

	~ServListEntry()
	{
		mir_free(m_name);
	}

	wchar_t *m_name;
	DWORD  m_crc;
	char   m_szHash[32+1];
};

typedef OBJLIST<ServListEntry> SERVLIST;

///////////////////////////////////////////////////////////////////////////////

void  InitPopupList();
void  LoadOptions();
void  InitNetlib();
void  InitIcoLib();
void  InitServices();
void  InitEvents();
void  InitOptions();
void  InitListNew();
void  InitCheck();
void  CreateTimer();

void  UnloadCheck();
void  UnloadListNew();
void  UnloadNetlib();

void  BackupFile(wchar_t *ptszSrcFileName, wchar_t *ptszBackFileName);

bool  ParseHashes(const wchar_t *ptszUrl, ptrW &baseUrl, SERVLIST &arHashes);
int   CompareHashes(const ServListEntry *p1, const ServListEntry *p2);

wchar_t* GetDefaultUrl();
bool   DownloadFile(FILEURL *pFileURL, HNETLIBCONN &nlc);

void  ShowPopup(LPCTSTR Title, LPCTSTR Text, int Number);
void  __stdcall RestartMe(void*);
void  __stdcall OpenPluginOptions(void*);
void  CheckUpdateOnStartup();
void  InitTimer(void *type);

bool unzip(const wchar_t *ptszZipFile, wchar_t *ptszDestPath, wchar_t *ptszBackPath,bool ch);

///////////////////////////////////////////////////////////////////////////////

int CalculateModuleHash(const wchar_t *tszFileName, char *dest);

BOOL IsProcessElevated();
bool PrepareEscalation();

int SafeCreateDirectory(const wchar_t *ptszDirName);
int SafeCopyFile(const wchar_t *ptszSrc, const wchar_t *ptszDst);
int SafeMoveFile(const wchar_t *ptszSrc, const wchar_t *ptszDst);
int SafeDeleteFile(const wchar_t *ptszSrc);
int SafeCreateFilePath(wchar_t *pFolder);

char *StrToLower(char *str);