#include "FTBProfileStrategy.h"
#include "OneSixFTBInstance.h"

#include "minecraft/VersionBuildError.h"
#include "minecraft/MinecraftVersionList.h"
#include <FileSystem.h>

#include <QDir>
#include <QUuid>
#include <QJsonDocument>
#include <QJsonArray>

FTBProfileStrategy::FTBProfileStrategy(OneSixFTBInstance* instance) : OneSixProfileStrategy(instance)
{
}

void FTBProfileStrategy::loadDefaultBuiltinPatches()
{
	// FIXME: this should be here, but it needs us to be able to deal with multiple libraries paths
	// OneSixProfileStrategy::loadDefaultBuiltinPatches();
	auto mcVersion = m_instance->intendedVersionId();
	auto nativeInstance = dynamic_cast<OneSixFTBInstance *>(m_instance);

	ProfilePatchPtr minecraftPatch;
	{
		auto mcJson = m_instance->versionsPath().absoluteFilePath(mcVersion + "/" + mcVersion + ".json");
		// load up the base minecraft patch
		if(QFile::exists(mcJson))
		{
			auto file = ProfileUtils::parseJsonFile(QFileInfo(mcJson), false);
			file->fileId = "net.minecraft";
			file->name = QObject::tr("Minecraft (tracked)");
			file->setVanilla(true);
			if(file->version.isEmpty())
			{
				file->version = mcVersion;
			}
			for(auto addLib: file->libraries)
			{
				addLib->setHint("local");
				addLib->setStoragePrefix(nativeInstance->librariesPath().absolutePath());
			}
			minecraftPatch = std::dynamic_pointer_cast<ProfilePatch>(file);
		}
		else
		{
			throw VersionIncomplete("net.minecraft : " + mcJson);
		}
		minecraftPatch->setOrder(-2);
	}
	profile->appendPatch(minecraftPatch);

	ProfilePatchPtr packPatch;
	{
		auto mcJson = m_instance->minecraftRoot() + "/pack.json";
		// load up the base minecraft patch
		if(QFile::exists(mcJson))
		{
			auto file = ProfileUtils::parseJsonFile(QFileInfo(mcJson), false);

			// adapt the loaded file - the FTB patch file format is different than ours.
			file->minecraftVersion.clear();
			for(auto addLib: file->libraries)
			{
				addLib->setHint("local");
				addLib->setStoragePrefix(nativeInstance->librariesPath().absolutePath());
			}
			file->fileId = "org.multimc.ftb.pack";
			file->setVanilla(true);
			file->name = QObject::tr("%1 (FTB pack)").arg(m_instance->name());
			if(file->version.isEmpty())
			{
				file->version = QObject::tr("Unknown");
				QFile versionFile (FS::PathCombine(m_instance->instanceRoot(), "version"));
				if(versionFile.exists())
				{
					if(versionFile.open(QIODevice::ReadOnly))
					{
						// FIXME: just guessing the encoding/charset here.
						auto version = QString::fromUtf8(versionFile.readAll());
						file->version = version;
					}
				}
			}
			packPatch = std::dynamic_pointer_cast<ProfilePatch>(file);
		}
		else
		{
			throw VersionIncomplete("org.multimc.ftb.pack : " + mcJson);
		}
		packPatch->setOrder(1);
	}
	profile->appendPatch(packPatch);

}

void FTBProfileStrategy::load()
{
	profile->clearPatches();

	loadDefaultBuiltinPatches();
	loadUserPatches();
}

bool FTBProfileStrategy::saveOrder(ProfileUtils::PatchOrder order)
{
	return false;
}

bool FTBProfileStrategy::resetOrder()
{
	return false;
}

bool FTBProfileStrategy::installJarMods(QStringList filepaths)
{
	return false;
}

bool FTBProfileStrategy::customizePatch(ProfilePatchPtr patch)
{
	return false;
}

bool FTBProfileStrategy::revertPatch(ProfilePatchPtr patch)
{
	return false;
}
