/*
 * VCMI_Lib.h, part of VCMI engine
 *
 * Authors: listed in file AUTHORS in main folder
 *
 * License: GNU General Public License v2.0 or later
 * Full text of license available in license.txt file, in main folder
 *
 */
#pragma once

#include <vcmi/Services.h>

class CConsoleHandler;
class CArtHandler;
class CHeroHandler;
class CCreatureHandler;
class CSpellHandler;
class CSkillHandler;
class CBuildingHandler;
class CObjectHandler;
class CObjectClassesHandler;
class CTownHandler;
class CGeneralTextHandler;
class CModHandler;
class CContentHandler;
class IBonusTypeHandler;
class CBonusTypeHandler;
class CTerrainViewPatternConfig;
class CRmgTemplateStorage;
class IHandlerBase;

namespace scripting
{
	class ScriptHandler;
}

/// Loads and constructs several handlers
class DLL_LINKAGE LibClasses : public Services
{
	CBonusTypeHandler * bth;

	void callWhenDeserializing(); //should be called only by serialize !!!
	void makeNull(); //sets all handler pointers to null
	std::shared_ptr<CContentHandler> getContent() const;
	void setContent(std::shared_ptr<CContentHandler> content);
	void restoreAllCreaturesNodeType794();

public:
	bool IS_AI_ENABLED; //unused?

	const ArtifactService * artifacts() const override;
	const CreatureService * creatures() const override;
	const FactionService * factions() const override;
	const HeroClassService * heroClasses() const override;
	const HeroTypeService * heroTypes() const override;
	const scripting::Service * scripts() const override;
	const spells::Service * spells() const override;
	const SkillService * skills() const override;

	void updateEntity(Metatype metatype, int32_t index, const JsonNode & data) override;

	const spells::effects::Registry * spellEffects() const override;
	spells::effects::Registry * spellEffects() override;

	const IBonusTypeHandler * getBth() const; //deprecated

	CArtHandler * arth;
	CHeroHandler * heroh;
	CCreatureHandler * creh;
	CSpellHandler * spellh;
	CSkillHandler * skillh;
	CObjectHandler * objh;
	CObjectClassesHandler * objtypeh;
	CTownHandler * townh;
	CGeneralTextHandler * generaltexth;
	CModHandler * modh;
	CTerrainViewPatternConfig * terviewh;
	CRmgTemplateStorage * tplh;
	scripting::ScriptHandler * scriptHandler;

	LibClasses(); //c-tor, loads .lods and NULLs handlers
	~LibClasses();
	void init(bool onlyEssential); //uses standard config file
	void clear(); //deletes all handlers and its data


	void loadFilesystem(bool onlyEssential);// basic initialization. should be called before init()

	void scriptsLoaded();

	template <typename Handler> void serialize(Handler &h, const int version)
	{
		if(version >= 800)
		{
			h & scriptHandler;//must be first (or second after modh), it can modify factories other handlers depends on
			if(!h.saving)
			{
				scriptsLoaded();
			}
		}
		else if(!h.saving)
		{
			update800();
		}

		h & heroh;
		h & arth;
		h & creh;
		if(!h.saving && version < 794)
			restoreAllCreaturesNodeType794();

		h & townh;
		h & objh;
		h & objtypeh;
		h & spellh;
		if(version >= 777)
		{
			h & skillh;
		}
		if(!h.saving)
		{
			//modh will be changed and modh->content will be empty after deserialization
			auto content = getContent();
			h & modh;
			setContent(content);
		}
		else
			h & modh;

		h & IS_AI_ENABLED;
		h & bth;

		if(!h.saving)
		{
			callWhenDeserializing();
		}
	}

private:
	void update800();
};

extern DLL_LINKAGE LibClasses * VLC;

DLL_LINKAGE void preinitDLL(CConsoleHandler * Console, bool onlyEssential = false);
DLL_LINKAGE void loadDLLClasses(bool onlyEssential = false);