#include <WiFi.h>
#include <FirebaseESP32.h>
#include <Firebase_ESP_Client.h>
#include "addons/TokenHelper.h" //Provide the token generation process info.
#include "addons/RTDBHelper.h" //Provide the real-time database payload printing info and other helper functions.
// Insert your network credentials
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
// Insert Firebase project API Key
#define API_KEY "AIzaSyDfHInRLdZM0Rcr3gRFKbAZd3SyaZatn8c"
// ----Insert real-time database URL
#define DATABASE_URL "https://psdk5-7b362-default-rtdb.firebaseio.com/"
//Define Firebase Data object
FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;
unsigned long sendDataPrevMillis = 0;
int read_data;
bool signupSuccess = false;
FB_RTDB RTDB;

void setup(){
  Serial.begin(115200);
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
Serial.print("Connecting to Wi-Fi");
while (WiFi.status() != WL_CONNECTED) {
Serial.print(".");
delay(200);

}
Serial.println();
Serial.print("Connected to... ");
Serial.println(WiFi.localIP());
Serial.println();

// Assigning the project API key
config.api_key = API_KEY;

//Assign the project URL
config.database_url = DATABASE_URL;

// check signup statue
if (Firebase.signUp(&config, &auth, "", "")) {
  Serial.println("ok");
  signupSuccess = true;
}
else {
Serial.printf("%s\n", config.signer.signupError.message.c_str());
}

// Assign the callback function for token generation task
config.token_status_callback = tokenStatusCallback;
Firebase.begin(&config, &auth);
Firebase.reconnectWiFi(true);

}

void loop()
{
if (Firebase.ready() && signupSuccess && (millis() -
sendDataPrevMillis > 8000 || sendDataPrevMillis == 0))
{

sendDataPrevMillis = millis();

if (Firebase.RTDB.getInt(&fbdo, "/LED/Status"))
{
if (fbdo.dataType() == "int")
{
read_data = fbdo.intData();
Serial.print("Data received: ");
Serial.println(read_data); //print the data received from the Firebase database
}
}

else
{
Serial.println(fbdo.errorReason()); //print he error (if any)
}

}

}