#include <DHT.h>
#include <OneWire.h>
#include <DallasTemperature.h>

// --- Definisi Pin ESP32 ---
#define LDR_PIN 34       // Sensor LDR (Analog)
#define PIR_PIN 27       // Sensor PIR (Digital)
#define SOIL_PIN 35      // Sensor Kelembapan Tanah (Analog)
#define DHT_PIN 4        // Sensor DHT22 (Digital)
#define DHT_TYPE DHT22
#define ONE_WIRE_BUS 5   // Sensor DS18B20 (Digital)

// --- Inisialisasi Library ---
DHT dht(DHT_PIN, DHT_TYPE);
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

void setup() {
  Serial.begin(115200);
  pinMode(PIR_PIN, INPUT);
  
  dht.begin();
  sensors.begin();
  Serial.println("Sistem Monitoring 5 Sensor Aktif...");
}

void loop() {
  // 1. Membaca LDR Sensor
  int ldrValue = analogRead(LDR_PIN);
  
  // 2. Membaca PIR Sensor
  int pirState = digitalRead(PIR_PIN);
  
  // 3. Membaca Soil Moisture Sensor
  int soilValue = analogRead(SOIL_PIN);
  
  // 4. Membaca Sensor DHT22
  float hum = dht.readHumidity();
  float temp = dht.readTemperature();
  
  // 5. Membaca Sensor DS18B20
  sensors.requestTemperatures();
  float tempDS = sensors.getTempCByIndex(0);

  // --- Print ke Serial Monitor ---
  Serial.println("=============================");
  Serial.print("1. LDR (Cahaya)      : "); Serial.println(ldrValue);
  Serial.print("2. PIR (Gerak)       : "); Serial.println(pirState == HIGH ? "Terdeteksi!" : "Aman");
  Serial.print("3. Kelembapan Tanah  : "); Serial.println(soilValue);
  Serial.print("4. DHT22 Suhu        : "); Serial.print(temp); Serial.print("°C | Hum: "); Serial.print(hum); Serial.println("%");
  Serial.print("5. DS18B20 Suhu      : "); Serial.print(tempDS); Serial.println("°C");

  delay(2000); // Jeda 2 detik
}