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

#define BLYNK_TEMPLATE_ID "TMPL6blvH8yxt"
#define BLYNK_TEMPLATE_NAME "UTS IoT arkan"
#define BLYNK_AUTH_TOKEN "ZeismzRdhfUdYfFHXliwGhQiuikJdiCY"

char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;
Ultrasonic ultrasonic(13,12);
int buzzerPin = 15;
int relayPin = 22;

int activateBuzzer = 1;
int octave = 4;
int activateLamp = 1;
int activateNotification = 1;

BLYNK_WRITE(V2){

  activateBuzzer = param.asInt();

}

BLYNK_WRITE(V3){

  activateNotification = param.asInt();

}

BLYNK_WRITE(V5){

  activateLamp = param.asInt();

}

BLYNK_WRITE(V1){

  octave = param.asInt();

}


void turnOnBuzzer(int octave){

  ledcAttachPin(buzzerPin, 0);
  ledcWriteNote(0, NOTE_F, octave);

}

void turnOffBuzzer(){

  ledcDetachPin(buzzerPin);

}

void sendToBlynk(){

  float distance = ultrasonic.read(CM);
  distance = distance / 100;
  Serial.print("Distance : ");
  Serial.print(distance);
  Serial.println(" M");

  if (distance < 2){

    if (activateBuzzer == 1){

      turnOnBuzzer(octave);

    }else{

      turnOffBuzzer();

    }

    if (activateLamp == 1){

      digitalWrite(relayPin, HIGH);

    }else{

      digitalWrite(relayPin, LOW);

    }

    if (activateNotification == 1){

      Blynk.virtualWrite(V4, 1);
      Blynk.logEvent("notification","HAMA TERDETEKSI!");

    }else{

      Blynk.virtualWrite(V4, 0);

    }

  }else{

    turnOffBuzzer();
    digitalWrite(relayPin, LOW);
    Blynk.virtualWrite(V4, 0);

  }

  Blynk.virtualWrite(V0, distance);

}

void setup() {
  Serial.begin(115200);
  Serial.println("Initializing...");

  pinMode(buzzerPin, OUTPUT);
  pinMode(relayPin, OUTPUT);

  Serial.println("Connect to Blynk...");
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  timer.setInterval(1000L, sendToBlynk);
}

void loop() {
  delay(100);

  sendToBlynk();

  Blynk.run();
  timer.run();


}