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

// #define WIFI_SSID "Wokwi-GUEST"
// #define WIFI_PASS ""

// // Define Firebase credentials
// FirebaseConfig firebaseConfig;
// FirebaseAuth firebaseAuth;

// #define LED 19

// FirebaseData firebaseData;

// void setup() {
//   Serial.begin(115200);
//   pinMode(LED, OUTPUT);

//   // Connect to Wi-Fi
//   WiFi.begin(WIFI_SSID, WIFI_PASS);
//   Serial.println("\nConnecting to WiFi...");
//   while (WiFi.status() != WL_CONNECTED) {
//     Serial.print(".");
//     delay(100);
//   }
//   Serial.println("\nConnected to WiFi");

//   // Set up Firebase Config
//   firebaseConfig.host = "iotproject-48d24-default-rtdb.firebaseio.com"; // Firebase Host without trailing "/"
//   firebaseConfig.api_key = "AIzaSyAbMNIp0bd3rCNQAEoHAdkB0hvgUO7B7q0";    // Firebase Auth Key

//   // Initialize Firebase
//   Firebase.begin(&firebaseConfig, &firebaseAuth);
//   Firebase.reconnectWiFi(true);

//   Serial.println("Firebase Connected");
// }

// void loop() {
//   // Check LED status in Firebase and update LED accordingly
//   if (Firebase.getInt(firebaseData, "/LED_STATUS")) {
//     int ledStatus = firebaseData.intData();
//     digitalWrite(LED, ledStatus == 1 ? HIGH : LOW);
//   } else {
//     Serial.println("Failed to get LED status: " + firebaseData.errorReason());
//   }

//   delay(10); // Adjust delay as needed
// }


#include <WiFi.h>
#include <FirebaseESP8266.h>

#define FIREBASE_HOST "https://iotproject-48d24-default-rtdb.firebaseio.com/"
#define FIREBASE_AUTH "AIzaSyAbMNIp0bd3rCNQAEoHAdkB0hvgUO7B7q0"
#define WIFI_SSID "Wokwi-GUEST"                                          
#define WIFI_PASSWORD ""    

FirebaseData firebaseData;


String read_data = "";

void setup() {

  Serial.begin(9600);                  
  pinMode(LED_BUILTIN, OUTPUT);       
           
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);       
  Serial.print("Connecting to ");
  Serial.print(WIFI_SSID);

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

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

  Firebase.reconnectWiFi(true);

  Serial.println();       
  delay(1000);
}

void loop() { 


if(send_data == "ON")
send_data = "OFF";
else
send_data = "ON";


if (Firebase.getString(firebaseData, "/LED_STATUS")) {   

      read_data = firebaseData.intData();
      Serial.print("Read_data = ");     
      Serial.println(read_data);

  if (read_data == 1) 
  {                                 
    Serial.println("LED turned ON");                                                        
    digitalWrite(LED_BUILTIN, HIGH);    // LED active low 
  } 
  else if (read_data == "OFF") 
  {                                            
    Serial.println("LED turned OFF");
    digitalWrite(LED_BUILTIN, LOW);          
  }
    Serial.println();
  } 
  else {
    Serial.println(firebaseData.errorReason());
  }
      delay(3000);  
}