#if defined(ESP8266)
#include <ESP8266WiFi.h>
#elif defined(ESP32)
#include <WiFi.h>
#endif

#include <ThingsBoard.h>
#include <DHTesp.h>

#define CURRENT_FIRMWARE_TITLE    "TEST"
#define CURRENT_FIRMWARE_VERSION  "1.0.0"

#define WIFI_SSID           "Wokwi-GUEST"
#define WIFI_PASSWORD       ""

// See https://thingsboard.io/docs/getting-started-guides/helloworld/
// to understand how to obtain an access token
// #define TOKEN               "GfAOLkydxQP3OiiWPXpy"
#define THINGSBOARD_SERVER  "thingsboard.cloud"

const char *TOKEN_DEVICE[] = {"GfAOLkydxQP3OiiWPXpy", "rBjHF5ZTyoT2YEzR3cnZ", "I1T3eP1dufELmScl4kpL"};


// Baud rate for debug serial
#define SERIAL_DEBUG_BAUD   115200

const int DHT_PIN = 13;
uint8_t location_id = 0;

DHTesp dhtSensor;

// Initialize ThingsBoard client
WiFiClient espClient;
// Initialize ThingsBoard instance
ThingsBoard tb(espClient);
// the Wifi radio's status
int status = WL_IDLE_STATUS;


bool subscribed = false;

void InitWiFi();
void reconnect();
RPC_Response processSwitchChange(const RPC_Data &data);

const size_t callbacks_size = 1;
// RPC_Callback callbacks[callbacks_size] = {
//   { "example_set_dial",    processDialChange },
//   { "example_get_dial",    getDial },
//   { "example_set_switch",  processSwitchChange }
// };
RPC_Callback callbacks[callbacks_size] = {
  { "set_lampu_lahan",  processSwitchChange }
};

void InitWiFi()
{
  Serial.println("Connecting to AP ...");
  // attempt to connect to WiFi network

  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {

    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected to AP");
}

void reconnect() {
  // Loop until we're reconnected
  status = WiFi.status();
  if ( status != WL_CONNECTED) {
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
    while (WiFi.status() != WL_CONNECTED) {
      delay(500);
      Serial.print(".");
    }
    Serial.println("Connected to AP");
  }
}

RPC_Response processSwitchChange(const RPC_Data &data)
{
  boolean switch_state = data;
  Serial.print("Received switch state: ");
  Serial.println(switch_state);
  digitalWrite(LED_BUILTIN, switch_state);    // switch led
  return RPC_Response("OK", 1);
}

void setup() {
  randomSeed(analogRead(A0));

  pinMode(LED_BUILTIN, OUTPUT);

  // initialize serial for debugging
  Serial.begin(SERIAL_DEBUG_BAUD);
  Serial.println();
  InitWiFi();
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
}

void loop() {
  delay(1000);

  if (WiFi.status() != WL_CONNECTED) {
    reconnect();
  }

  if (!tb.connected()) {
    subscribed = false;
    // Connect to the ThingsBoard
    Serial.print("Connecting to: ");
    Serial.print(THINGSBOARD_SERVER);
    Serial.print(" with token ");
    Serial.println(TOKEN_DEVICE[location_id % 3]);
    // if (!tb.connect(THINGSBOARD_SERVER, TOKEN)) {
    if (!tb.connect(THINGSBOARD_SERVER, TOKEN_DEVICE[location_id % 3])) {
      Serial.println("Failed to connect");
      return;
    }
  }

  if (!subscribed) {
    Serial.println("Subscribing for RPC...");
    if (!tb.RPC_Subscribe(callbacks, callbacks_size)) {
      Serial.println("Failed to subscribe for RPC");
      return;
    }
    Serial.println("Subscribe done");
    subscribed = true;
  }

  Serial.println("Sending data...");

  // Uploads new telemetry to ThingsBoard using MQTT.
  // See https://thingsboard.io/docs/reference/mqtt-api/#telemetry-upload-api
  // for more details

  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  long randx = random(100) - 50;
  Serial.println(randx);
  float hum = constrain(data.humidity + (randx / 10), 0, 100), tempx = constrain(data.temperature + (randx / 10), -10, 100);
  tb.sendTelemetryFloat("temperature", tempx);
  tb.sendTelemetryFloat("humidity", hum);
  Serial.print("Suhu : ");
  Serial.print(tempx);
  Serial.print(" Kelembaban : ");
  Serial.println(hum);

  tb.loop();

  // tb.loop();

  tb.disconnect();

  delay(random(3));

  location_id++;
}