#define BLYNK_TEMPLATE_ID "TMPL6RVso7jcV"
#define BLYNK_TEMPLATE_NAME "SMART HOME"
#define BLYNK_AUTH_TOKEN "CtrGCS_00KmlAy1z3ZZdZDkbc1s_1COT"

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

// Pin Assignment
#define DHTPIN 4
#define PIRPIN 5
#define RELAY_KAMAR 12
#define RELAY_TAMU 13
#define RELAY_TERAS 14
#define RELAY_AC 27
#define BUZZER 26

// DHT Sensor
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// Blynk Credentials
char auth[] = "CtrGCS_00KmlAy1z3ZZdZDkbc1s_1COT";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

// Blynk Timer
BlynkTimer timer;

// Variables
bool kamarState = false;
bool tamuState = false;
bool terasState = false;

void sendTemperature() {
  float temp = dht.readTemperature();
  if (isnan(temp)) {
    Serial.println("Failed to read temperature!");
    return;
  }
  Blynk.virtualWrite(V3, temp); // Kirim suhu ke Blynk
  Serial.print("Temperature: ");
  Serial.println(temp);               // Debug di Serial Monitor

  // Otomatis nyalakan AC/kipas jika suhu >30°C
  if (temp > 30) {
    digitalWrite(RELAY_AC, HIGH); // Nyalakan AC/kipas
    Blynk.logEvent("high_temp_alert", "Suhu rumah di atas 30°C!"); // Notifikasi ke Blynk
  } else {
    digitalWrite(RELAY_AC, LOW); // Matikan AC/kipas
  }
}

void checkMotion() {
  int motion = digitalRead(PIRPIN);

  if (motion == HIGH) {
    Serial.println("Motion Detected!");
    // Logika membedakan manusia/binatang
    // (contoh: deteksi menggunakan waktu gerakan atau algoritma lanjutan)
    bool isHuman = true; // Dummy logic, sesuaikan dengan kebutuhan Anda

    if (isHuman) {
      digitalWrite(BUZZER, HIGH); // Hidupkan buzzer
      delay(5000);               // Durasi bunyi 5 detik
      Blynk.logEvent("motion_alert", "Gerakan manusia terdeteksi!");
    } else {
      digitalWrite(BUZZER, LOW); // Matikan buzzer
    }
  } else {
    digitalWrite(BUZZER, LOW); // Tidak ada gerakan
  }
}

BLYNK_WRITE(V0) { // Lampu Kamar
  kamarState = param.asInt();
  digitalWrite(RELAY_KAMAR, kamarState);
}

BLYNK_WRITE(V1) { // Lampu Ruang Tamu
  tamuState = param.asInt();
  digitalWrite(RELAY_TAMU, tamuState);
}

BLYNK_WRITE(V2) { // Lampu Teras
  terasState = param.asInt();
  digitalWrite(RELAY_TERAS, terasState);
}

void setup() {
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);

  // Pin Modes
  pinMode(RELAY_KAMAR, OUTPUT);
  pinMode(RELAY_TAMU, OUTPUT);
  pinMode(RELAY_TERAS, OUTPUT);
  pinMode(RELAY_AC, OUTPUT);
  pinMode(BUZZER, OUTPUT);
  pinMode(PIRPIN, INPUT);

  // Initial States
  digitalWrite(RELAY_KAMAR, LOW);
  digitalWrite(RELAY_TAMU, LOW);
  digitalWrite(RELAY_TERAS, LOW);
  digitalWrite(RELAY_AC, LOW);
  digitalWrite(BUZZER, LOW);

  dht.begin();

  // Timers
  timer.setInterval(1000L, sendTemperature);
  timer.setInterval(500L, checkMotion);
}

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