/*
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 <m_gui.h>

#include <m_folders.h>

extern "C"
{
	#include "../../libs/zlib/src/unzip.h"

	void fill_fopen64_filefunc(zlib_filefunc64_def *pzlib_filefunc_def);
}

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

#include <m_autobackups.h>

#define MS_PU_CHECK    "PluginUpdater/CheckUpdates"
#define MS_PU_SHOWLIST "PluginUpdater/ShowList"

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

typedef wchar_t TFileName[MAX_PATH];

struct FILEURL
{
	wchar_t wszDownloadURL[2048];
	TFileName wszDiskPath;
	int CRCsum;
};

struct FILEINFO
{
	TFileName wszOldName, wszNewName;
	FILEURL File;
	bool bEnabled, bDeleteOnly;

	bool IsFiltered(const CMStringW &wszFilter);
};

typedef OBJLIST<FILEINFO> FILELIST;

#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 DEFAULT_UPDATE_URL_STABLE_SYMBOLS L"https://miranda-ng.org/distr/stable/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%"

enum
{
	UPDATE_MODE_CUSTOM,
	UPDATE_MODE_STABLE,
	UPDATE_MODE_TRUNK,
	UPDATE_MODE_TRUNK_SYMBOLS,
	UPDATE_MODE_STABLE_SYMBOLS,
	UPDATE_MODE_MAX_VALUE // leave this variable last in the list
};

#define DB_SETTING_UPDATE_MODE           "UpdateMode"
#define DB_SETTING_UPDATE_URL            "UpdateURL"
#define DB_SETTING_DONT_SWITCH_TO_STABLE "DontSwitchToStable"

#define DB_MODULE_FILES     MODULENAME "Files"
#define DB_MODULE_NEW_FILES MODULENAME "NewFiles"

#define MAX_RETRIES   3

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

using namespace std;

extern uint32_t g_mirandaVersion;
extern TFileName g_wszRoot, g_wszTempPath;
extern VARSW g_mirandaPath;
extern HNETLIBUSER g_hNetlibUser;

struct CMPlugin : public PLUGIN<CMPlugin>
{
	struct Impl
	{
		Impl() :
			m_timer(Miranda_GetSystemWindow(), LPARAM(this))
		{
			m_timer.OnEvent = Callback(this, &Impl::onTimer);
		}

		CTimer m_timer;
		void onTimer(CTimer *);
	}
	m_impl;

	CMPlugin();

	int Load() override;
	int Unload() override;

	void InitTimer(int mode);

	// variables
	time_t iNextCheck = 0;
	bool bForceRedownload = false, bSilent; // not a db options

	// common options
	CMOption<bool> bUpdateOnStartup, bUpdateOnPeriod, bOnlyOnceADay, bSilentMode, bBackup, bChangePlatform, bAutoRestart, bNeedRestart;
	CMOption<int>  iPeriod, iPeriodMeasure, iNumberBackups;
	CMOption<uint32_t> dwLastUpdate;

	// popup options
	CMOption<uint8_t> PopupDefColors, PopupLeftClickAction, PopupRightClickAction;
	CMOption<uint32_t> PopupTimeout;
};

void DoCheck(bool bSilent = true);
void UninitCheck(void);
void UninitListNew(void);

class ThreadWatch
{
	uint32_t &pId;

public:
	ThreadWatch(uint32_t &_1) :
		pId(_1)
	{
		pId = ::GetCurrentThreadId();
	}

	~ThreadWatch()
	{
		pId = 0;
	}
};

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

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;
	uint32_t  m_crc;
	char   m_szHash[32+1];
};

typedef OBJLIST<ServListEntry> SERVLIST;

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

void  InitPopupList();
void  InitEvents();

void  InitListNew();
void  UnloadListNew();

void  DoRestart(void);

void  CALLBACK RestartPrompt(void *);
void  CALLBACK CheckUpdateOnStartup(void);

int   BackupFile(wchar_t *pwszSrcFileName, wchar_t *pwszBackFileName);

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

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

void  ShowPopup(LPCTSTR Title, LPCTSTR Text, int Number);

int   unzip(const wchar_t *pwszZipFile, wchar_t *pwszDestPath, wchar_t *pwszBackPath, bool ch);

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

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

void CreateWorkFolders(TFileName &wszTempFolder, TFileName &wszBackupFolder);
void RemoveBackupFolders(void);
void RollbackChanges(TFileName &pwszBackupFolder);

char* StrToLower(char *str);

MFilePath InvertMirandaPlatform();