/*
 * CBonusTypeHandler.cpp, 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
 *
 */
#include "StdInc.h"

#define INSTANTIATE_CBonusTypeHandler_HERE

#include "CBonusTypeHandler.h"

#include "filesystem/Filesystem.h"

#include "CCreatureHandler.h"
#include "GameConstants.h"
#include "GameLibrary.h"
#include "modding/ModScope.h"
#include "modding/IdentifierStorage.h"
#include "spells/CSpellHandler.h"
#include "texts/CGeneralTextHandler.h"
#include "json/JsonUtils.h"

template class std::vector<VCMI_LIB_WRAP_NAMESPACE(CBonusType)>;

VCMI_LIB_NAMESPACE_BEGIN

///CBonusType

CBonusType::CBonusType():
	hidden(true)
{}

std::string CBonusType::getNameTextID() const
{
	return TextIdentifier( "core", "bonus", identifier, "name").get();
}

std::string CBonusType::getDescriptionTextID() const
{
	return TextIdentifier( "core", "bonus", identifier, "description").get();
}

///CBonusTypeHandler

CBonusTypeHandler::CBonusTypeHandler()
{
	//register predefined bonus types

	#define BONUS_NAME(x) \
	do { \
		bonusTypes.push_back(CBonusType()); \
	} while(0);


	BONUS_LIST;
	#undef BONUS_NAME
}

CBonusTypeHandler::~CBonusTypeHandler() = default;

std::string CBonusTypeHandler::bonusToString(const std::shared_ptr<Bonus> & bonus, const IBonusBearer * bearer, bool description) const
{
	const CBonusType & bt = bonusTypes[vstd::to_underlying(bonus->type)];
	if(bt.hidden)
		return "";

	std::string textID = description ? bt.getDescriptionTextID() : bt.getNameTextID();
	std::string text = LIBRARY->generaltexth->translate(textID);

	auto school = bonus->subtype.as<SpellSchool>();
	if (school.hasValue() && school != SpellSchool::ANY)
	{
		std::string schoolName = school.encode(school.getNum());
		std::string baseTextID = description ? bt.getDescriptionTextID() : bt.getNameTextID();
		std::string fullTextID = baseTextID + '.' + schoolName;
		text = LIBRARY->generaltexth->translate(fullTextID);
	}

	if (text.find("${val}") != std::string::npos)
		boost::algorithm::replace_all(text, "${val}", std::to_string(bearer->valOfBonuses(bonus->type, bonus->subtype)));

	if (text.find("${subtype.creature}") != std::string::npos && bonus->subtype.as<CreatureID>().hasValue())
		boost::algorithm::replace_all(text, "${subtype.creature}", bonus->subtype.as<CreatureID>().toCreature()->getNamePluralTranslated());

	if (text.find("${subtype.spell}") != std::string::npos && bonus->subtype.as<SpellID>().hasValue())
		boost::algorithm::replace_all(text, "${subtype.spell}", bonus->subtype.as<SpellID>().toSpell()->getNameTranslated());

	return text;
}

ImagePath CBonusTypeHandler::bonusToGraphics(const std::shared_ptr<Bonus> & bonus) const
{
	const CBonusType & bt = bonusTypes[vstd::to_underlying(bonus->type)];

	if (bonus->type == BonusType::SPELL_IMMUNITY && bonus->subtype.as<SpellID>().hasValue())
	{
		const CSpell * sp = bonus->subtype.as<SpellID>().toSpell();
		return sp->getIconImmune();
	}

	if (bt.subtypeIcons.count(bonus->subtype.getNum()))
		return bt.subtypeIcons.at(bonus->subtype.getNum());

	if (bt.valueIcons.count(bonus->val))
		return bt.valueIcons.at(bonus->val);

	return bt.icon;
}

std::vector<JsonNode> CBonusTypeHandler::loadLegacyData()
{
	return {};
}

void CBonusTypeHandler::loadObject(std::string scope, std::string name, const JsonNode & data)
{
	auto it = bonusNameMap.find(name);

	if(it == bonusNameMap.end())
	{
		logBonus->warn("Unrecognized bonus name! (%s)", name);
	}
	else
	{
		CBonusType & bt = bonusTypes[vstd::to_underlying(it->second)];

		loadItem(data, bt, name);
		logBonus->trace("Loaded bonus type %s", name);
	}
}

void CBonusTypeHandler::loadObject(std::string scope, std::string name, const JsonNode & data, size_t index)
{
	assert(0);
}

void CBonusTypeHandler::loadItem(const JsonNode & source, CBonusType & dest, const std::string & name) const
{
	dest.identifier = name;
	dest.hidden = source["hidden"].Bool(); //Null -> false

	if (!dest.hidden)
	{
		LIBRARY->generaltexth->registerString( "vcmi", dest.getNameTextID(), source["name"]);
		LIBRARY->generaltexth->registerString( "vcmi", dest.getDescriptionTextID(), source["description"]);
	}

	const JsonNode & graphics = source["graphics"];

	if(!graphics.isNull())
		dest.icon = ImagePath::fromJson(graphics["icon"]);

	for (const auto & additionalIcon : graphics["subtypeIcons"].Struct())
	{
		auto path = ImagePath::fromJson(additionalIcon.second);
		LIBRARY->identifiers()->requestIdentifier(additionalIcon.second.getModScope(), additionalIcon.first, [&dest, path](int32_t index)
		{
			dest.subtypeIcons[index] = path;
		});
	}

	for (const auto & additionalIcon : graphics["valueIcons"].Struct())
	{
		auto path = ImagePath::fromJson(additionalIcon.second);
		int value = std::stoi(additionalIcon.first);
		dest.valueIcons[value] = path;
	}
}

VCMI_LIB_NAMESPACE_END