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

#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""

#define FIREBASE_HOST "https://q4ict276-default-rtdb.firebaseio.com/"
#define FIREBASE_AUTH "kKyRFyExhCgqpLtfWGreK1xZX9Qp0N87UEuD4vm7"

#define DHTPIN 14       // DHT22 connected to GPIO4
#define DHTTYPE DHT22  

DHT dht(DHTPIN, DHTTYPE);
FirebaseData fbdo;

void setup() {
    Serial.begin(115200);
    
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
    Serial.print("Connecting to WiFi");
    while (WiFi.status() != WL_CONNECTED) {
        Serial.print(".");
        delay(500);
    }
    Serial.println("Connected!");

    Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
    Firebase.reconnectWiFi(true);
    
    dht.begin();
}

void loop() {
    float temperature = dht.readTemperature();
    float humidity = dht.readHumidity();

    if (!isnan(temperature) && !isnan(humidity)) {
        Serial.print("Temp: "); Serial.print(temperature);
        Serial.print("°C, Hum: "); Serial.print(humidity);
        Serial.println("%");

        // Send data to Firebase
        Firebase.setFloat(fbdo, "/Weather-Monitoring/Temperature", temperature);
        Firebase.setFloat(fbdo, "/Weather-Monitoring/Humidity", humidity);
    } else {
        Serial.println("Failed to read from DHT sensor!");
    }

    delay(5000);  // Send data every 5 seconds
}