/**
 * FreeRDP: A Remote Desktop Protocol Implementation
 *
 * Copyright 2023 Armin Novak <armin.novak@thincast.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "sdl_resource_manager.hpp"
#include <iostream>
#if __has_include(<filesystem>)
#include <filesystem>
namespace fs = std::filesystem;
#elif __has_include(<experimental/filesystem>)
#include <experimental/filesystem>
namespace fs = std::experimental::filesystem;
#else
#error Could not find system header "<filesystem>" or "<experimental/filesystem>"
#endif

std::string SDLResourceManager::typeFonts()
{
	return "fonts";
}

std::string SDLResourceManager::typeImages()
{
	return "images";
}

void SDLResourceManager::insert(const std::string& type, const std::string& id,
                                const std::vector<unsigned char>& data)
{
	std::string uuid = type + "/" + id;
	resources().emplace(uuid, data);
}

bool SDLResourceManager::useCompiledResources()
{
#if defined(SDL_USE_COMPILED_RESOURCES)
	return true;
#else
	return false;
#endif
}

const std::vector<unsigned char>* SDLResourceManager::data(const std::string& type,
                                                           const std::string& id)
{
#if defined(SDL_USE_COMPILED_RESOURCES)
	std::string uuid = type + "/" + id;
	auto val = resources().find(uuid);
	if (val == resources().end())
		return nullptr;

	return &val->second;
#else
	return nullptr;
#endif
}

std::string SDLResourceManager::filename([[maybe_unused]] const std::string& type,
                                         [[maybe_unused]] const std::string& id)
{
#if defined(SDL_RESOURCE_ROOT)
	std::string uuid = type + "/" + id;
	fs::path path(SDL_RESOURCE_ROOT);
	path /= type;
	path /= id;

	if (!fs::exists(path))
	{
		std::cerr << "sdl-freerdp expects resource '" << uuid << "' at location "
		          << fs::absolute(path) << std::endl;
		std::cerr << "file not found, application will fail" << std::endl;
		return "";
	}
	return path.u8string();
#else
	return "";
#endif
}

std::map<std::string, std::vector<unsigned char>>& SDLResourceManager::resources()
{

	static std::map<std::string, std::vector<unsigned char>> resources = {};
#if defined(SDL_USE_COMPILED_RESOURCES)
	if (resources.empty())
		init();
#endif
	return resources;
}