#ifndef TSL2561_H
#define TSL2561_H

#include "Adafruit_TSL2561_U.h"

class TSL2561 {

  Adafruit_TSL2561_Unified tsl;

  unsigned long last = 0UL;

public:

  const String name;

  unsigned long intervalMs;

  explicit TSL2561(String name, const uint8_t address = TSL2561_ADDR_FLOAT, const unsigned long interval_ms = 5000) : tsl(Adafruit_TSL2561_Unified(address)), name(std::move(name)), intervalMs(interval_ms) {
    //
  }

  void setup() {
    if (tsl.begin()) {
      Log.info("TSL2561 \"%s\": Initialized.", name.c_str());
    } else {
      Log.error("TSL2561 \"%s\": Failed to initialize.", name.c_str());
    }
    tsl.enableAutoRange(true);
    tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_402MS);
  }

  void loop() {
    const auto now = millis();
    if (last == 0 || now - last >= intervalMs) {
      last = max(1UL, now);
      read();
    }
  }

private:

  void read() {
    uint16_t broadband;
    uint16_t ir;
    tsl.getLuminosity(&broadband, &ir);
    const auto illuminance = tsl.calculateLux(broadband, ir);
    if (illuminance == 65536) {
      Log.error("TSL2561 \"%s\": Failed to read.", name.c_str());
      setup();
    } else {
      mqttPublishValue(name + "/illuminance", illuminance, "ILLUMINANCE_LUX");
    }
  }

};

#endif