#define BLYNK_TEMPLATE_ID "TMPL6XxluVp48"
#define BLYNK_TEMPLATE_NAME "Percobaan UTP"
#define BLYNK_AUTH_TOKEN "fUJM6ll1EblKN9teaqOAzaLABigBTdIm"
#define BLYNK_PRINT Serial

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

#define pinled 13
#define buzzer 5 // Pin buzzer

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

BlynkTimer timer;
Ultrasonic ultrasonic(27,26);
double jarak = 0;
int switchBuzzer = 0;

// menyalakan buzzer
void myTone(int pin){
  ledcAttachPin(pin, 0);        // PIN , CHANEL
  ledcWriteNote(0, NOTE_F, 8);  //CHANEL, FREQ, OCT
}

// mematikan buzzer
void myNoTone(int pin){
  ledcDetachPin(pin);
}

// mengatur switchnya
BLYNK_WRITE(V2){
  int pin_value = param.asInt();
  Serial.println(pin_value);
  if (pin_value == 1){
    switchBuzzer = 1;
  }
  else{
    switchBuzzer = 0;
  }
}

void sendSensor(){
  delay(1000);
  double jarak = ultrasonic.read(CM);
  switchBuzzer == 1;
  if(jarak > 300) {
    digitalWrite(pinled, LOW);
    Blynk.virtualWrite(V1, 0);
    myNoTone(buzzer);
    Serial.println("Aman");
  }
  else if(jarak >= 200 && jarak <= 300) {
    digitalWrite(pinled, LOW);
    Blynk.virtualWrite(V1, 0);
    myNoTone(buzzer);
    Serial.println("Hama Mendekat!");
  }
  else if(jarak < 200){
    digitalWrite(pinled, HIGH);
    Serial.println("Ada Hama dalam radius kurang dari 2 meter");
    Blynk.virtualWrite(V1, 1);
    myTone(buzzer);
    Blynk.logEvent("notifikasi", "Ada Hama mendekat dalam radius kurang dari 2 meter");
  }
  else{
    digitalWrite(pinled, LOW);
    Serial.println("Tidak Ada Hama !");
    Blynk.virtualWrite(V1, 0);
    myNoTone(buzzer);
  }
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(pinled, OUTPUT);
  pinMode(buzzer, OUTPUT);
  delay(1000);
  Blynk.begin(auth, ssid, pass);
  timer.setInterval(2500L, sendSensor);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(1000); 
  Blynk.run();
  sendSensor();
  timer.run();
}