//
// Adafruit invests time and resources providing this open source code.
// Please support Adafruit and open source hardware by purchasing
// products from Adafruit!
//
// Copyright (c) 2015-2016 Adafruit Industries
// Authors: Tony DiCola, Todd Treece
// Licensed under the MIT license.
//
// All text above must be included in any redistribution.
//
#ifndef ADAFRUITIO_H
#define ADAFRUITIO_H

#include "Arduino.h"
#include "Adafruit_MQTT.h"
#include "AdafruitIO_Definitions.h"
#include "AdafruitIO_Feed.h"
#include "AdafruitIO_Data.h"

#ifndef ADAFRUIT_MQTT_VERSION_MAJOR
  #error "This sketch requires Adafruit MQTT Library v0.16.0 or higher. Please install or upgrade using the Library Manager."
#endif

#if ADAFRUIT_MQTT_VERSION_MAJOR == 0 && ADAFRUIT_MQTT_VERSION_MINOR < 16
  #error "This sketch requires Adafruit MQTT Library v0.16.0 or higher. Please install or upgrade using the Library Manager."
#endif

class AdafruitIO {

  friend class AdafruitIO_Feed;

  public:
    AdafruitIO(const char *user, const char *key);
    AdafruitIO(const __FlashStringHelper *user, const __FlashStringHelper *key);
    virtual ~AdafruitIO();

    void connect();

    void run(uint16_t busywait_ms = 0);

    AdafruitIO_Feed* feed(const char *name);
    AdafruitIO_Feed* feed(const __FlashStringHelper *name);

    const __FlashStringHelper* statusText();

    aio_status_t status();
    virtual aio_status_t networkStatus() = 0;
    aio_status_t mqttStatus();

  protected:
    virtual void _connect() = 0;
    aio_status_t _status = AIO_IDLE;
    uint32_t _last_ping = 0;

    Adafruit_MQTT *_mqtt;

    const char *_host = "io.adafruit.com";
    uint16_t _port = 8883;

    uint16_t _packetread_timeout;

    const char *_username;
    const char *_key;

    char *_err_topic;
    char *_throttle_topic;

    Adafruit_MQTT_Subscribe *_err_sub;
    Adafruit_MQTT_Subscribe *_throttle_sub;

  private:
    void _init();

};

#endif // ADAFRUITIO_H