BrightnessController.h

#pragma once
 
#include "../SinricProRequest.h"
#include "../EventLimiter.h"
#include "../SinricProStrings.h"
 
#include "../SinricProNamespace.h"
namespace SINRICPRO_NAMESPACE {
 
FSTR(BRIGHTNESS, setBrightness);     // "setBrightness"
FSTR(BRIGHTNESS, brightness);        // "brightness"
FSTR(BRIGHTNESS, adjustBrightness);  // "adjustBrightness"
FSTR(BRIGHTNESS, brightnessDelta);   // "brightnessDelta"
 
using BrightnessCallback = std::function<bool(const String &, int &)>;
 
using AdjustBrightnessCallback = std::function<bool(const String &, int &)>;
 
template <typename T>
class BrightnessController {
  public:
    BrightnessController();
 
    void onBrightness(BrightnessCallback cb);
    void onAdjustBrightness(AdjustBrightnessCallback cb);
 
    bool sendBrightnessEvent(int brightness, String cause = FSTR_SINRICPRO_PHYSICAL_INTERACTION);
  protected:
    bool handleBrightnessController(SinricProRequest &request);
 
  private:
    EventLimiter event_limiter;
    BrightnessCallback brightnessCallback;
    AdjustBrightnessCallback adjustBrightnessCallback;
};
 
template <typename T>
BrightnessController<T>::BrightnessController() 
: event_limiter (EVENT_LIMIT_STATE) { 
  T* device = static_cast<T*>(this);
  device->registerRequestHandler(std::bind(&BrightnessController<T>::handleBrightnessController, this, std::placeholders::_1)); 
}
 
template <typename T>
void BrightnessController<T>::onBrightness(BrightnessCallback cb) {
  brightnessCallback = cb;
}
 
template <typename T>
void BrightnessController<T>::onAdjustBrightness(AdjustBrightnessCallback cb) {
  adjustBrightnessCallback = cb;
}
 
template <typename T>
bool BrightnessController<T>::sendBrightnessEvent(int brightness, String cause) {
  if (event_limiter) return false;
  T* device = static_cast<T*>(this);
 
  JsonDocument eventMessage        = device->prepareEvent(FSTR_BRIGHTNESS_setBrightness, cause.c_str());
  JsonObject event_value                  = eventMessage[FSTR_SINRICPRO_payload][FSTR_SINRICPRO_value];
  event_value[FSTR_BRIGHTNESS_brightness] = brightness;
  return device->sendEvent(eventMessage);
}
 
template <typename T>
bool BrightnessController<T>::handleBrightnessController(SinricProRequest &request) {
  T* device = static_cast<T*>(this);
  bool success = false;
 
  if (brightnessCallback && request.action == FSTR_BRIGHTNESS_setBrightness) {
    int brightness = request.request_value[FSTR_BRIGHTNESS_brightness];
    success = brightnessCallback(device->deviceId, brightness);
    request.response_value[FSTR_BRIGHTNESS_brightness] = brightness;
  }
 
  if (adjustBrightnessCallback && request.action == FSTR_BRIGHTNESS_adjustBrightness) {
    int brightnessDelta = request.request_value[FSTR_BRIGHTNESS_brightnessDelta];
    success = adjustBrightnessCallback(device->deviceId, brightnessDelta);
    request.response_value[FSTR_BRIGHTNESS_brightness] = brightnessDelta;
  }
 
  return success;
}
 
} // SINRICPRO_NAMESPACE
 
template <typename T>
using BrightnessController = SINRICPRO_NAMESPACE::BrightnessController<T>;