#include "Cache.h"
#include <algorithm>
#include "mqtt++.h"
#include <iostream>

std::optional<std::string> Cache::cached_topic_value(const std::string& topic) {
	for (const auto& state : m_cache) {
		if (state.topic == topic) {
			return state.value;
		}
	}
	return std::nullopt;
}

TopicState Cache::set_topic_value(const std::string& topic, const std::string& value) {
	for (auto& state : m_cache) {
		if (state.topic == topic) {
			state.value = value;

			return state;
		}
	}

	return m_cache.emplace_back(topic, value);
}