#include <WiFi.h>
#include <FirebaseESP32.h>
#include <AsyncTCP.h>
#include <ESPAsyncWebServer.h>
#include <ESPAsync_WiFiManager.h> // Ensure this includes ESPAsyncDNSServer.h internally
#include <ESPAsyncDNSServer.h>
// Define Firebase credentials and Firebase objects
#define API_KEY "your_api_key_here"
#define DATABASE_URL "https://your_project_id.firebaseio.com/"

FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;

const int ledPin = 4;

struct User {
  const char* email;
  const char* password;
};

User users[] = {
  {"user_email1", "user_password1"},
  {"user_email2", "user_password2"},
  // Add more users as needed
};

int numUsers = sizeof(users) / sizeof(users[0]);

void setup() {
  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, LOW);

  Serial.begin(115200);

  // Initialize WiFi and use ESPAsync_WiFiManager to handle WiFi connection
  AsyncWiFiManager wifiManager(&server, &dns);

  // Configure ESPAsyncWebServer
  AsyncWebServer server(80);
  DNSServer dns;

  // Run ESPAsync_WiFiManager
  wifiManager.autoConnect("ESP32-AP");

  Serial.println("Connected to WiFi");

  // Configure Firebase
  config.api_key = API_KEY;
  config.database_url = DATABASE_URL;

  Firebase.begin(config, auth);

  // Set SSL buffer sizes and response size
  fbdo.setBSSLBufferSize(4096, 1024);
  fbdo.setResponseSize(2048);

  // Set server response timeout
  config.timeout.serverResponse = 10 * 1000;
}

void loop() {
  if (Firebase.ready()) {
    // Loop through all users and perform actions
    for (int i = 0; i < numUsers; i++) {
      auth.user.email = users[i].email;
      auth.user.password = users[i].password;

      if (Firebase.begin(config, auth)) {
        // Successfully authenticated with Firebase, perform actions
        int ledState;
        String path = "/users/" + String(i) + "/led/state";
        if (Firebase.RTDB.getInt(&fbdo, path.c_str(), &ledState)) {
          digitalWrite(ledPin, ledState);
        } else {
          Serial.println("Failed to get LED state: " + fbdo.errorReason());
        }
        Firebase.end(); // End current Firebase connection
      } else {
        Serial.println("Firebase connection failed: " + fbdo.errorReason());
      }
    }
  }

  delay(1000); // Delay before checking again
}