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


#define BLYNK_TEMPLATE_ID "TMPL6w1x19HMd"
#define BLYNK_TEMPLATE_NAME "UAS IoT"
#define BLYNK_AUTH_TOKEN "fjcaOvl4_9lImcMh9HmZQrRFzwze-9Cz"

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


char auth[] = "fjcaOvl4_9lImcMh9HmZQrRFzwze-9Cz";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

#define DHT_PIN 26
#define DHTTYPE DHT22
DHT_Unified dht (DHT_PIN, DHTTYPE);
#define PIR1 34
#define TRIGGER_PIN 25
#define ECHO_PIN 33
#define RedLED 23
#define OrangeLED 22
#define YellowLED 21
#define GreenLED 19
#define BlueLED 18

int motionCount = 0;
BlynkTimer timer;

void setup() {
  Serial.begin(115200);
  dht.begin();
  pinMode(PIR1, INPUT);
  pinMode(TRIGGER_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  pinMode(RedLED, OUTPUT);
  pinMode(OrangeLED, OUTPUT);
  pinMode(YellowLED, OUTPUT);
  pinMode(GreenLED, OUTPUT);
  pinMode(BlueLED, OUTPUT);
  
  Blynk.begin(auth, ssid, pass);
  timer.setInterval(1000L, sendMotionCount);
}

void loop() {
  //data diambil dari sensor DHT22
  sensors_event_t event;
  dht.temperature().getEvent(&event);
  float temperature = event.temperature;
  dht.humidity().getEvent(&event);
  float humidity = event.relative_humidity;

  //data diambil dari sensor PIR
  int pir1Value = digitalRead(PIR1);

  //data diambil dari sensor ultrasonik
  long duration, distance;
  digitalWrite(TRIGGER_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIGGER_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIGGER_PIN, LOW);
  duration = pulseIn(ECHO_PIN, HIGH);
  distance = duration / 29.1 / 2;

  //LED berdasarkan data dari sensor
  digitalWrite(RedLED, (pir1Value == LOW && distance <= 100));
  digitalWrite(OrangeLED, (pir1Value == HIGH));
  digitalWrite(YellowLED, (pir1Value == HIGH && distance <= 100));
  digitalWrite(GreenLED, (temperature <= 35.0));
  digitalWrite(BlueLED, (pir1Value == HIGH || distance <= 100 && temperature >= 15.0));
  
  //data akan ditampilkan ke serial monitor
  Serial.print("Suhu: ");
  Serial.print(temperature);
  Serial.print("°C, Kelembaban: ");
  Serial.print(humidity);
  Serial.print("%, Jarak: ");
  Serial.print(distance);
  Serial.println(" cm");
  delay(1000); //delay selama 1 detik

  Blynk.run();
  timer.run();
  checkMotion();
}

void checkMotion(){
  int motionState = digitalRead(PIR1);

  if(motionState == HIGH){
    digitalWrite(OrangeLED, HIGH); //LED akan menyala selama 0.5 detik
    delay(1000);
    digitalWrite(OrangeLED, LOW); //LED mati
    motionCount++;
    Serial.println("Gerakan terdeteksi!"); 
    Serial.println(motionCount);
  }
}

void sendMotionCount(){
  Blynk.virtualWrite(V0, motionCount); //mengirim jumah gerakan ke blynk widget V0
}