#include <WiFi.h>
#include <FirebaseESP32.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include <ESP32Servo.h>

#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
#define API_KEY "AIzaSyAbA9SCKTYmgb2TBi5aPRDIG0x2nVJx7ss"
#define DATABASE_URL "https://aquarium-web-default-rtdb.firebaseio.com/"

OneWire oneWire(4); 
DallasTemperature sensors(&oneWire);
Servo feederServo;
FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;

void setup() {
  Serial.begin(115200);
  sensors.begin();
  feederServo.attach(18); 
  feederServo.write(0);
  
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); }
  
  config.api_key = API_KEY;
  config.database_url = DATABASE_URL;
  Firebase.begin(&config, &auth);
  Firebase.reconnectWiFi(true);
  Serial.println("\nSystem Ready!");
}

void loop() {
  sensors.requestTemperatures();
  float currentTemp = sensors.getTempCByIndex(0);
  if (currentTemp != DEVICE_DISCONNECTED_C) {
    Firebase.setFloat(fbdo, "/status/temperature", currentTemp);
  }

  if (Firebase.getBool(fbdo, "/controls/feed_now")) {
    if (fbdo.boolData() == true) {
      feederServo.write(90); 
      delay(1500);
      feederServo.write(0);
      Firebase.setBool(fbdo, "/controls/feed_now", false); 
    }
  }
  delay(10000); 
}