#define BLYNK_TEMPLATE_ID "TMPL6K1MISYh9"
#define BLYNK_TEMPLATE_NAME "UTS"
#define BLYNK_AUTH_TOKEN "u3mCt172EGlvii3x17SwFfOCGhj_v96o"

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>

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

// Sensor dan LED
#define PIR_PIN 2
#define DHT_PIN 5
#define DHT_TYPE DHT22

DHT dht(DHT_PIN, DHT_TYPE);
int ledPins[] = {33, 25, 26, 27, 14}; // Pin untuk 5 LED

// Inisialisasi LCD (16x2, alamat I2C: 0x27 atau 0x3F)
LiquidCrystal_I2C lcd(0x27, 16, 2);

// Blynk Virtual Pin untuk kontrol LED manual
BLYNK_WRITE(V1) { digitalWrite(ledPins[0], param.asInt()); }
BLYNK_WRITE(V2) { digitalWrite(ledPins[1], param.asInt()); }
BLYNK_WRITE(V3) { digitalWrite(ledPins[2], param.asInt()); }
BLYNK_WRITE(V4) { digitalWrite(ledPins[3], param.asInt()); }
BLYNK_WRITE(V5) { digitalWrite(ledPins[4], param.asInt()); }
void setup() {
  Serial.begin(115200);
  
  // Inisialisasi WiFi dan Blynk
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  
  // Inisialisasi LCD
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Initializing...");
  
  // Inisialisasi DHT sensor
  dht.begin();
  
  // Inisialisasi PIR sensor
  pinMode(PIRPIN, INPUT);

  // Inisialisasi LED
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(LED4, OUTPUT);
  pinMode(LED5, OUTPUT);
}

void loop() {
  Blynk.run();

  // Membaca sensor PIR
  bool motionDetected = digitalRead(PIRPIN);
  if (motionDetected) {
    lcd.setCursor(0, 0);
    lcd.print("Selamat Datang!   ");
    
    // Nyalakan semua LED
    digitalWrite(LED1, HIGH);
    digitalWrite(LED2, HIGH);
    digitalWrite(LED3, HIGH);
    digitalWrite(LED4, HIGH);
    digitalWrite(LED5, HIGH);

    // Membaca suhu dan kelembaban hanya jika ada gerakan
    float temperature = dht.readTemperature();
    float humidity = dht.readHumidity();
  
    if (!isnan(temperature) && !isnan(humidity)) {
      lcd.setCursor(0, 1);
      lcd.print("Temp: ");
      lcd.print(temperature);
      lcd.print(" C  ");
      
      lcd.setCursor(0, 2);
      lcd.print("Humidity: ");
      lcd.print(humidity);
      lcd.print(" %   ");
      
      // Kirim data ke Blynk
      Blynk.virtualWrite(V1, temperature);
      Blynk.virtualWrite(V2, humidity);
    } else {
      lcd.setCursor(0, 1);
      lcd.print("DHT error!      ");
    }
  } else {
    lcd.setCursor(0, 0);
    lcd.print("Tidak ada gerakan    ");
    
    // Matikan semua LED
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, LOW);
    digitalWrite(LED4, LOW);
    digitalWrite(LED5, LOW);

    // Bersihkan baris suhu dan kelembaban
    lcd.setCursor(0, 1);
    lcd.print("                    ");
    lcd.setCursor(0, 2);
    lcd.print("                    ");
  }

  delay(2000);
}

BLYNK_WRITE(V3) {
  int ledState = param.asInt();
  digitalWrite(LED1, ledState);
}

BLYNK_WRITE(V4) {
  int ledState = param.asInt();
  digitalWrite(LED2, ledState);
}

BLYNK_WRITE(V5) {
  int ledState = param.asInt();
  digitalWrite(LED3, ledState);
}

BLYNK_WRITE(V6) {
  int ledState = param.asInt();
  digitalWrite(LED4, ledState);
}

BLYNK_WRITE(V7) {
  int ledState = param.asInt();
  digitalWrite(LED5, ledState);
}