#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 SENSOR ======
#define DHT_PIN 13
#define TRIG 4
#define ECHO 15

// ====== PIN RELAY (WOKWI ACTIVE HIGH) ======
#define RELAY_PEMANAS 26
#define RELAY_UAP 25
#define RELAY_KIPAS 32
#define RELAY_POMPA 2

// Buzzer
#define BUZZER 14

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

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

// ====== SETUP ======
void setup() {
  Serial.begin(115200);
  Serial.println("Monitoring Kandang Ayam Cabet maniz");

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

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

  pinMode(RELAY_PEMANAS, OUTPUT);
  pinMode(RELAY_UAP, OUTPUT);
  pinMode(RELAY_KIPAS, OUTPUT);
  pinMode(RELAY_POMPA, OUTPUT);
  pinMode(BUZZER, OUTPUT);

  // relay OFF (LOW = off untuk Wokwi)
  digitalWrite(RELAY_PEMANAS, LOW);
  digitalWrite(RELAY_UAP, LOW);
  digitalWrite(RELAY_KIPAS, LOW);
  digitalWrite(RELAY_POMPA, LOW);

  noTone(BUZZER);

  Serial.println("Menghubungkan ke Blynk...");
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  Serial.println("Blynk Connected!");
}

// ====== BACA HC-SR04 ======
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 DHT
  TempAndHumidity data = dht.getTempAndHumidity();
  delay(50); // tambahan biar tidak NaN
  float suhu = data.temperature;
  float lembab = data.humidity;

  // Baca level air
  float levelAir = bacaLevelAir();

  // Tampilkan nilai sensor ke Serial
  Serial.println("----- Sensor Update -----");
  Serial.print("Suhu: "); Serial.println(suhu);
  Serial.print("Kelembaban: "); Serial.println(lembab);
  Serial.print("Level Air (cm): "); Serial.println(levelAir);

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

  // ====== LOGIKA SUHU (Wokwi relay aktif HIGH) ======
  if (suhu > 30) {
    digitalWrite(RELAY_PEMANAS, LOW);  // OFF
    digitalWrite(RELAY_KIPAS, HIGH);   // ON
    Serial.println("Kondisi Suhu: PANAS → Kipas ON, Pemanas OFF");
  }
  else if (suhu >= 26 && suhu <= 30) {
    digitalWrite(RELAY_PEMANAS, LOW);  // OFF
    digitalWrite(RELAY_KIPAS, LOW);    // OFF
    Serial.println("Kondisi Suhu: CUKUP → Semua OFF");
  }
  else {
    digitalWrite(RELAY_PEMANAS, HIGH); // ON
    digitalWrite(RELAY_KIPAS, LOW);    // OFF
    Serial.println("Kondisi Suhu: DINGIN → Pemanas ON, Kipas OFF");
  }

  // ====== KONTROL KELEMBABAN (UAP) ======
  if (lembab < 60) {
    digitalWrite(RELAY_UAP, HIGH);  // ON
    Serial.println("Uap: ON (Kelembaban rendah)");
  } else {
    digitalWrite(RELAY_UAP, LOW); // OFF
    Serial.println("Uap: OFF (Kelembaban cukup)");
  }

  // ====== LEVEL AIR POMPA ======
  if (levelAir > 15) {
    digitalWrite(RELAY_POMPA, HIGH);   // ON
    Serial.println("Pompa: ON (Air kurang)");
  } else {
    digitalWrite(RELAY_POMPA, LOW);    // OFF
    Serial.println("Pompa: OFF (Air cukup)");
  }

  // ====== ALARM ======
  if (suhu > 35 || levelAir > 30) {
    tone(BUZZER, 1500);
    Blynk.virtualWrite(V7, 1);
    Serial.println("ALARM AKTIF !!!");
  } else {
    noTone(BUZZER);
    Blynk.virtualWrite(V7, 0);
  }

  // ====== STATUS RELAY KE BLYNK (tanpa kebalik) ======
  Blynk.virtualWrite(V3, digitalRead(RELAY_PEMANAS));
  Blynk.virtualWrite(V4, digitalRead(RELAY_KIPAS));
  Blynk.virtualWrite(V5, digitalRead(RELAY_UAP));
  Blynk.virtualWrite(V6, digitalRead(RELAY_POMPA));

  Serial.println("---------------------------\n");

  delay(1000);
}