#include <DHT.h>
#include <DHT_U.h>

// Set GPIOs for PIR Motion Sensor and DHT22
const int motionSensor = 13;
#define DHTPIN 14    // Pin yang terhubung dengan data DHT22
#define DHTTYPE DHT22 // DHT 22 (AM2302)
DHT dht(DHTPIN, DHTTYPE);

// Timer: Auxiliary variables
unsigned long now = millis();
unsigned long lastTrigger = 0;
boolean startTimer = false;

#define timeSeconds 5

// Checks if motion was detected, sets startTimer to true and sets the lastTrigger time
void IRAM_ATTR detectsMovement() {
  Serial.println("MOTION DETECTED!!!");
  startTimer = true;
  lastTrigger = millis();
}

void setup() {
  // Serial port for debugging purposes
  Serial.begin(115200);

  // PIR Motion Sensor mode INPUT_PULLUP
  pinMode(motionSensor, INPUT_PULLUP);
  // Set motionSensor pin as interrupt, assign interrupt function and set RISING mode
  attachInterrupt(digitalPinToInterrupt(motionSensor), detectsMovement, RISING);

  // Inisialisasi DHT22
  dht.begin();
}

void loop() {
  // Current time
  now = millis();

  // Read data from DHT22
  float h = dht.readHumidity();
  float t = dht.readTemperature();

  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Print sensor data to Serial Monitor
  Serial.print("Suhu: ");
  Serial.print(t);
  Serial.print(" °C ");
  Serial.print("Kelembaban: ");
  Serial.print(h);
  Serial.println(" %");

  // Reset motion timer if motion is detected
  if (startTimer && (now - lastTrigger > (timeSeconds * 1000))) {
    Serial.println("Motion stopped...");
    startTimer = false;
  }

  delay(2000); // Adjust the delay as necessary
}