#define BLYNK_TEMPLATE_ID "TMPL622xeHkHq"
#define BLYNK_TEMPLATE_NAME "Monitoring Kandang Ayam Cabet maniz"
#define BLYNK_AUTH_TOKEN "nXH0LOCazdlrdUbyzG2E4NvKwAyiphd_"

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

// ====== PIN DEFINISI ======
#define DHT_PIN 5
#define TRIG 4
#define ECHO 15

// === PIN RELAY BARU ===
#define RELAY_PEMANAS 33   // Pemanas
#define RELAY_UAP 34       // Uap / Humidifier
#define RELAY_KIPAS 32     // Kipas
#define RELAY_POMPA 2      // Pompa air

#define BUZZER 14

// ====== WIFI ======
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

// ====== DHT ======
DHTesp dht;

// ====== SETUP ======
void setup() {
  Serial.begin(115200);

  dht.setup(DHT_PIN, DHTesp::DHT22);

  pinMode(TRIG, OUTPUT);
  pinMode(ECHO, INPUT);

  // Relay Output
  pinMode(RELAY_PEMANAS, OUTPUT);
  pinMode(RELAY_UAP, OUTPUT);
  pinMode(RELAY_KIPAS, OUTPUT);
  pinMode(RELAY_POMPA, OUTPUT);
  pinMode(BUZZER, OUTPUT);

  // Relay OFF (HIGH = OFF)
  digitalWrite(RELAY_PEMANAS, HIGH);
  digitalWrite(RELAY_UAP, HIGH);
  digitalWrite(RELAY_KIPAS, HIGH);
  digitalWrite(RELAY_POMPA, HIGH);
  digitalWrite(BUZZER, LOW);

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
}

// ====== Fungsi Baca Ultrasonik ======
float bacaLevelAir() {
  digitalWrite(TRIG, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG, LOW);

  long durasi = pulseIn(ECHO, HIGH);
  float jarak = durasi * 0.0343 / 2;
  return jarak;
}

// ====== LOOP ======
void loop() {
  Blynk.run();

  // Baca sensor
  TempAndHumidity data = dht.getTempAndHumidity();
  float suhu = data.temperature;
  float lembab = data.humidity;
  float levelAir = bacaLevelAir();

  // Kirim ke Blynk
  Blynk.virtualWrite(V0, suhu);
  Blynk.virtualWrite(V1, lembab);
  Blynk.virtualWrite(V2, levelAir);

  // ===== LOGIKA SUHU =====
  if (suhu > 30) {
    digitalWrite(RELAY_PEMANAS, HIGH); // OFF
    digitalWrite(RELAY_KIPAS, LOW);    // ON
  }
  else if (suhu >= 26 && suhu <= 30) {
    digitalWrite(RELAY_PEMANAS, HIGH); // OFF
    digitalWrite(RELAY_KIPAS, HIGH);   // OFF
  }
  else {
    digitalWrite(RELAY_PEMANAS, LOW);  // ON
    digitalWrite(RELAY_KIPAS, HIGH);   // OFF
  }

  // ===== KONTROL UAP =====
  if (lembab < 60) {
    digitalWrite(RELAY_UAP, LOW);   // ON
  } else {
    digitalWrite(RELAY_UAP, HIGH);  // OFF
  }

  // ===== POMPA AIR =====
  if (levelAir > 15) {
    digitalWrite(RELAY_POMPA, LOW);   // ON
  } else {
    digitalWrite(RELAY_POMPA, HIGH);  // OFF
  }

  // ===== ALARM =====
  if (suhu > 35 || levelAir > 30) {
    tone(BUZZER, 2000);
    Blynk.virtualWrite(V7, 1);
  } else {
    noTone(BUZZER);
    Blynk.virtualWrite(V7, 0);
  }

  // ===== Status ke Blynk =====
  Blynk.virtualWrite(V3, !digitalRead(RELAY_PEMANAS)); // Pemanas
  Blynk.virtualWrite(V4, !digitalRead(RELAY_KIPAS));   // Kipas
  Blynk.virtualWrite(V5, !digitalRead(RELAY_UAP));     // Uap
  Blynk.virtualWrite(V6, !digitalRead(RELAY_POMPA));   // Pompa

  delay(1000);
}