#pragma once

#include <vector>
#include "mqtt_message.hpp"

namespace acl {

class ACL_CPP_API mqtt_suback : public mqtt_message {
public:
	mqtt_suback(void);
	mqtt_suback(const mqtt_header& header);
	~mqtt_suback(void);

	mqtt_suback& set_pkt_id(unsigned short id);
	mqtt_suback& add_topic_qos(mqtt_qos_t qos);
	mqtt_suback& add_topic_qos(const std::vector<mqtt_qos_t>& qoses);

	unsigned short get_pkt_id(void) const {
		return pkt_id_;
	}

	const std::vector<mqtt_qos_t>& get_qoses(void) const {
		return qoses_;
	}

protected:
	// @override
	bool to_string(string& out);

	// @override
	int update(const char* data, int dlen);

	// @override
	bool finished(void) const {
		return finished_;
	}

public:
	int update_header_var(const char* data, int dlen);
	int update_topic_qos(const char* data, int dlen);

private:
	unsigned status_;
	bool finished_;
	char buff_[2];
	unsigned dlen_;

	unsigned short pkt_id_;
	std::vector<mqtt_qos_t> qoses_;

	unsigned body_len_;
	unsigned nread_;
};

} // namespace acl