// -------- WIFI --------
#include <WiFi.h>

// -------- FIREBASE --------
#include <Firebase_ESP_Client.h>

// helpers (required by the library)
#include "addons/TokenHelper.h"
#include "addons/RTDBHelper.h"

// your WiFi
const char* ssid = "MiCho";
const char* password = "Hello1234";

// your Firebase (from config)
#define API_KEY "AIzaSyDpefz07KOuYyj0mZ1YtvJkm5g3z5HU0-I"
#define DATABASE_URL "https://smart-piggy-effc6-default-rtdb.asia-southeast1.firebasedatabase.app/"

// Firebase objects
FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;

void setup() {
  Serial.begin(115200);

  // -------- WIFI CONNECT --------
  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi");

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

  Serial.println("\nWiFi connected");
  Serial.print("IP: ");
  Serial.println(WiFi.localIP());

  // -------- FIREBASE CONFIG --------
  config.api_key = API_KEY;
  config.database_url = DATABASE_URL;

  // REQUIRED: token handling
  config.token_status_callback = tokenStatusCallback;

  // -------- SIGN UP (ANONYMOUS) --------
  if (Firebase.signUp(&config, &auth, "", "")) {
    Serial.println("Firebase signup OK");
  } else {
    Serial.printf("Signup failed: %s\n", config.signer.signupError.message.c_str());
  }

  // -------- START FIREBASE --------
  Firebase.begin(&config, &auth);
  Firebase.reconnectWiFi(true);
}

void loop() {

  // only run when Firebase is ready
  if (Firebase.ready()) {

    // send test value
    if (Firebase.RTDB.setInt(&fbdo, "/test/value", 123)) {
      Serial.println("Sent: 123");
    } else {
      Serial.print("FAILED: ");
      Serial.println(fbdo.errorReason());
    }
  }

  delay(5000);
}