#pragma once

#include <ArduinoJson.h>
#include <PubSubClient.h>

class HADevice {
protected:
  PubSubClient &client;
  const char *name;
  const char *unique_id;
  const char *device_type;

  static constexpr const char *base_topic = "homeassistant";

  char *device_topic = nullptr;
  unsigned int device_topic_size = 0;

  char *config_topic = nullptr;
  unsigned int config_topic_size = 0;

  char *state_topic = nullptr;
  unsigned int state_topic_size = 0;

  char *buffer;
  unsigned int buffer_size = MQTT_MAX_PACKET_SIZE;

  void setupDeviceTopic();
  void setupConfigTopic();
  void setupStateTopic();

public:
  HADevice(PubSubClient &client, const char *device_type, const char *name,
           const char *unique_id);
  virtual void sendConfig() = 0;
  virtual void sendState() = 0;
};