/*
 * Copyright © 2011-2020 Frictional Games
 * 
 * This file is part of Amnesia: A Machine For Pigs.
 * 
 * Amnesia: A Machine For Pigs 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. 

 * Amnesia: A Machine For Pigs 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 Amnesia: A Machine For Pigs.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef LUX_SAVE_HANDLER_H
#define LUX_SAVE_HANDLER_H

//----------------------------------------------

#include "LuxBase.h"

//----------------------------------------------

class cLuxSaveGame_SaveData;

//----------------------------------------------

class cLuxSaveHandlerThreadClass : public iThreadClass
{
public:
	cLuxSaveHandlerThreadClass();
	~cLuxSaveHandlerThreadClass();

	bool IsRunning();

	void SetUpThread();
	void Save(cLuxSaveGame_SaveData* apSaveData, const tWString& asFile);

	void ProcessPendingSaves();

	void UpdateThread();

protected:
	iMutex* mpSaveMutex;
	iThread* mpThread;
	std::vector<cLuxSaveGame_SaveData*> mvSaveData;
	tWStringVec mvSaveFileNames;
};

//----------------------------------------------

class cLuxSaveHandler : public iLuxUpdateable
{
public:	
	cLuxSaveHandler();
	~cLuxSaveHandler();

	void OnStart();
	void Update(float afTimeStep);
	void Reset();

	void SaveGameToFile(const tWString& asFile, bool abSaveSnapshot=false);
	void  LoadGameFromFile(const tWString& asFile);

	bool AutoSave();
	bool AutoLoad(bool abResetProgressLogger);

	bool SaveFileExists();

	cLuxSaveGame_SaveData *CreateSaveGameData();
	void LoadSaveGameData(cLuxSaveGame_SaveData *apSave);

	tWString GetProperSaveName(const tWString& asFile);

	cLuxSaveHandlerThreadClass* GetThreadClass() { return &mSaveHandlerThreadClass; }

private:
	tWString GetSaveName(const tWString &asPrefix);
	void DeleteOldestSaveFiles(const tWString &asFolder, int alMax);
	tWString GetNewestSaveFile(const tWString &asFolder);

	bool mbInitialized;
	bool mbStartThread;

	cDate mLatestSaveDate;
	int mlMaxAutoSaves;
	int mlSaveNameCount;

	cLuxSaveHandlerThreadClass mSaveHandlerThreadClass;
};


//----------------------------------------------


#endif // #ifndef LUX_SAVE_HANDLER_H
