#include <WiFi.h>
#include "WiFiClient.h"
#include "ThingsBoard.h"
#include "DHTesp.h"
#include "DHT.h"

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

#define TOKEN
#define THINGSBOARD_SERVER

// Baud rate for debug serial
#define SERIAL_DEBUG_BAUD   115200
#define led_pin 13
int led_state = 0;
const int DHT_PIN = 15;

DHTesp dhtSensor;

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


RPC_Response setLedSwitchState(RPC_Data &data){
  Serial.println("Receive Switch State");
  led_state = data;
  Serial.println("Receive state change :");
  Serial.print(led_state);
  return RPC_Response("setLedSwitchValue", led_state);
}

const std::array<RPC_Callback, 1U> cb = {
  RPC_Callback("setLedSwitchValue", setLedSwitchState)
}


void setup() {
  // initialize serial for debugging
  Serial.begin(SERIAL_DEBUG_BAUD);

  pinMode(led_pin, OUTPUT)


  Serial.println();
  InitWiFi();
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
}

void loop() {
  delay(1000);

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

  if (!tb.connected()) {
    // Connect to the ThingsBoard
    Serial.print("Connecting to: ");
    Serial.print(THINGSBOARD_SERVER);
    Serial.print(" with token ");
    Serial.println(TOKEN);
    if (!tb.connect(THINGSBOARD_SERVER, TOKEN)) {
      Serial.println("Failed to connect");
      if(!tb.RPC_Subscribe(cb.cbegin(), cb.cend())){
        Serial.println("Subscribe Fail");
        return;
      }
    }
  }

  if(led_state){
    digitalWrite(led_pin, HIGH);
  }else{
    digitalWrite(led_pin, LOW);
  }
  }

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

  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  tb.sendTelemetryData("temperature", data.temperature);
  tb.sendTelemetryData("humidity", data.humidity);
    tb.sendTelemetryData("soil moisture", data.humidity);
  Serial.print("Humidity : ");
  Serial.println(data.temperature);
  Serial.print("Temperature : ");
  Serial.println(data.humidity);
  
  tb.loop();
}





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("");
  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("");
    Serial.println("Connected to AP");
  }
}