#include<WiFi.h>
#include<FirebaseESP32.h>


const char* ssid = "Wokwi-GUEST";
const char* password = "";

FirebaseData firebaseData;
#define FIREBASE_HOST "utsmiot-979ff-default-rtdb.asia-southeast1.firebasedatabase.app"              
#define FIREBASE_AUTH "3resAz2w9Nq5GJcqaPMr8lLNgugvbEfj863d8Vlr"

String val;
#define pin_relay 4
void setup() {

  Serial.begin(115200);                                                      

  Serial.println("Serial communication started\n\n");  
           
WiFi.begin(ssid, password);                                    
Serial.print("Connecting to ");
Serial.print(ssid);
pinMode (pin_relay, OUTPUT);

  
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }

  
  Serial.println();
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP Address is : ");
  Serial.println(WiFi.localIP());                                           
  Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);   

  Firebase.reconnectWiFi(true);
  delay(1000);
}
void loop() {



if (Firebase.getString(firebaseData, "LED")) {                           


Serial.println(firebaseData.dataType());
      val = firebaseData.stringData();
      Serial.println(val);
      Serial.println("Ubah nilai di konsol firebase untuk melihat perubahan di sini"); 
      if(val=="0")                                             
     {
      digitalWrite(pin_relay ,LOW);
      Serial.println("Relay 1 OFF");
    }
    else if(val=="1")                                    
    {                                      
      digitalWrite(pin_relay ,HIGH);
      Serial.println("Relay 1 ON");
    }


  } else {
    Serial.println(firebaseData.errorReason());
  }
 }