#include <Arduino.h>
#include <DHT.h>

#define DHTPIN 17
#define DHTTYPE DHT22 
DHT dht(DHTPIN, DHTTYPE);

int greenPin = 19;
int bluePin = 18;
int redPin = 21;

void setup() {
  Serial.begin(115200);
  
  dht.begin();

  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  pinMode(redPin, OUTPUT);
}

void setRGB(int redState, int greenState, int blueState) {
  digitalWrite(redPin, redState);
  digitalWrite(greenPin, greenState);
  digitalWrite(bluePin, blueState);
}

void loop() {
  delay(2000);

  float t = dht.readTemperature();
  float h = dht.readHumidity();

  if (isnan(h) || isnan(t)) {
    Serial.println("DHT not detected");
    return; 
  }

  Serial.print("Current Temp: ");
  Serial.print(t);
  Serial.print(" C | Humidity: ");
  Serial.print(h);
  Serial.print(" % | ");

  // Logika lampu indikator
  if (t < 20.0) {
    setRGB(LOW, HIGH, LOW); // Hijau menyala
    Serial.println("LED Status: Cold");
  } 
  else if (t >= 20.0 && t <= 30.0) {
    setRGB(LOW, LOW, HIGH); // Biru menyala
    Serial.println("LED Status: Normal");
  } 
  else {
    setRGB(HIGH, LOW, LOW); // Merah menyala
    Serial.println("LED Status: Hot");
  }
}