#define BLYNK_TEMPLATE_ID "TMPL6_9bWjnrt"
#define BLYNK_TEMPLATE_NAME "sistem soil"
#define BLYNK_AUTH_TOKEN "iyXMz2zti9BI3UU3QQ-stobGKqnRnZ7g"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST"; 
char pass[] = "";

#define SOIL_PIN 34 
#define LED_RED 2    
#define LED_GREEN 4  

BlynkTimer timer;
bool notifTerkirim = false; // Penanda supaya notif tidak nyepam

void checkSoil() {
  int rawValue = analogRead(SOIL_PIN);
  int moisturePercent = map(rawValue, 0, 4095, 0, 100);

  Blynk.virtualWrite(V1, moisturePercent);

  if (moisturePercent < 30) {
    digitalWrite(LED_RED, HIGH);
    digitalWrite(LED_GREEN, LOW);
    Serial.print("Status: KERING! - ");

    // Kirim notifikasi HANYA JIKA belum terkirim sebelumnya
    if (notifTerkirim == false) {
      Blynk.logEvent("tanah_kering", "Woi! Tanah kering, siram dulu!");
      notifTerkirim = true; // Tandai sudah terkirim
    }
  } else {
    digitalWrite(LED_RED, LOW);
    digitalWrite(LED_GREEN, HIGH);
    Serial.print("Status: AMAN - ");
    
    notifTerkirim = false; // Reset tanda kalau tanah sudah basah lagi
  }

  Serial.print("Kelembapan: ");
  Serial.print(moisturePercent);
  Serial.println("%");
}

void setup() {
  Serial.begin(115200);
  pinMode(LED_RED, OUTPUT);
  pinMode(LED_GREEN, OUTPUT);
  pinMode(SOIL_PIN, INPUT);
  Blynk.begin(auth, ssid, pass);
  timer.setInterval(1000L, checkSoil);
}

void loop() {
  Blynk.run();
  timer.run();
}