/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

#include "EmbeddedResourceLoaderWindows.hpp"
#include "Base/Utils.hpp"
#include "Base/Logger.hpp"
#include "../resources/resource.h"
#include <windows.h>
#include <iostream>
#include <filesystem>


namespace OpenVulkano
{
	namespace
	{
		void* HANDLE = ResourceLoader::RegisterResourceLoader(std::make_unique<EmbeddedResourceLoaderWindows>());
	}

	std::string EmbeddedResourceLoaderWindows::GetResourcePath(const std::string& resourceName)
	{
		return "";
	}

	Array<char> EmbeddedResourceLoaderWindows::GetResource(const std::string& resourceName)
	{
		return {};
		//return GetResource(resourceName, GetResourceType(resourceName));
	}

	//LPSTR EmbeddedResourceLoaderWindows::GetResourceType(const std::string& resourceName) const
	//{
	//	std::filesystem::path path(resourceName);
	//	std::string ext = path.extension().string();
	//	if (ext.empty() || ext == ".")
	//	{
	//		Logger::APP->warn("Could not load embedded resource {}. Unsupported extension", resourceName, ext);
	//		return {};
	//	}
	//	if (ext == ".ico" || ext == ".icon")
	//	{
	//		return RT_ICON;
	//	}
	//	else if (ext == ".ttf" || ext == ".fnt" || ext == ".font")
	//	{
	//		return RT_FONT;
	//	}
	//	// custom raw data
	//	return RT_RCDATA;
	//}

	Array<char> EmbeddedResourceLoaderWindows::GetResource(LPSTR resId, LPSTR resourceType) const
	{
		HMODULE exe = GetModuleHandleA(NULL);
		LPCSTR resourceName = resId;
		HRSRC hRes = FindResourceA(exe, resourceName, resourceType);
		if (!hRes)
		{
			Logger::APP->warn("Could not find embedded resource");
			return {};
		}

		HGLOBAL hResData = LoadResource(exe, hRes);
		if (!hResData)
		{
			Logger::APP->warn("Embedded resource found, but could not load.");
			return {};
		}

		void* data = LockResource(hResData);
		DWORD size = SizeofResource(exe, hRes);
		Array<char> dst(size);
		std::memcpy(dst.Data(), data, size);
		return dst;
	}

}