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

#define FIREBASE_HOST "https://irrigation-system-cd539-default-rtdb.firebaseio.com/"
#define FIREBASE_AUTH "irrigation-system-cd539-firebase-adminsdk-fbsvc-c69fec02a7"

// WiFi Credentials
#define WIFI_SSID "your-SSID"
#define WIFI_PASSWORD "your-password"

// Pin Definitions
const int soilMoisturePin = 34;  // Potentiometer analog pin (simulating soil moisture)
const int ledPin = 23;            // LED pin simulating the pump (GPIO23)

// Firebase Data object
FirebaseData firebaseData;

void setup() {
  // Start Serial Monitor
  Serial.begin(115200);

  // Connect to WiFi
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi!");

  // Initialize Firebase
  Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);

  // Set up pins
  pinMode(soilMoisturePin, INPUT);
  pinMode(ledPin, OUTPUT);
}

void loop() {
  // Read potentiometer value (simulating soil moisture)
  int soilMoisture = analogRead(soilMoisturePin);

  // Print soil moisture value
  Serial.print("Soil Moisture: ");
  Serial.println(soilMoisture);

  // Control the LED (simulating pump) based on soil moisture
  if (soilMoisture < 500) {  // If soil is dry (adjust threshold as needed)
    digitalWrite(ledPin, HIGH);  // Turn LED ON (simulate pump ON)
    Serial.println("Pump is ON (LED ON)");
  } else {
    digitalWrite(ledPin, LOW);  // Turn LED OFF (simulate pump OFF)
    Serial.println("Pump is OFF (LED OFF)");
  }

  // Send data to Firebase
  Firebase.setInt(firebaseData, "/sensor_data/soil_moisture", soilMoisture);
  
  // Simulate a delay for Firebase communication
  delay(5000);
}