#pragma once

#include <format>

#include "ResourceManager.h"

namespace crepe {

template <typename T>
T & ResourceManager::get(const Asset & asset) {
	using namespace std;
	static_assert(is_base_of<Resource, T>::value,
				  "cache must recieve a derivative class of Resource");

	CacheEntry & entry = this->get_entry(asset);
	if (entry.resource == nullptr) entry.resource = make_unique<T>(asset);

	T * concrete_resource = dynamic_cast<T *>(entry.resource.get());
	if (concrete_resource == nullptr)
		throw runtime_error(format("ResourceManager: mismatch between requested type and "
								   "actual type of resource ({})",
								   asset.get_path()));

	return *concrete_resource;
}

} // namespace crepe