#define BLYNK_PRINT Serial

#define BLYNK_TEMPLATE_ID "TMPL63UhW_2Zn"
#define BLYNK_TEMPLATE_NAME "Traffic Light"
#define BLYNK_AUTH_TOKEN "_PB1ZM2z6_pVe260tKWk1rvGNCI6dPce"

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

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

#define hijau1 23
#define kuning 22
#define merah1 21
#define hijau2 19
#define merah2 18
#define hijau3 5
#define merah3 4
#define alarm 12
int data;
int a;

BLYNK_WRITE(V0)
{
  data = param.asInt();
  if(data == 1){
    a = 1;
    Blynk.virtualWrite(V2, "Lampu Hijau dari Arah Kairagi");
    digitalWrite(kuning, HIGH);
    digitalWrite(hijau1, LOW);
    digitalWrite(hijau2, LOW);
    digitalWrite(hijau3, LOW);
    digitalWrite(merah1, LOW);
    digitalWrite(merah2, LOW);
    digitalWrite(merah3, LOW);
    delay(3000);
    digitalWrite(kuning, LOW);
    digitalWrite(hijau1, HIGH);
    digitalWrite(merah2, HIGH);
    digitalWrite(merah3, HIGH);
  }
  else{
    a = 0;
  }
}

void setup(){
  pinMode(hijau1, OUTPUT);
  pinMode(hijau2, OUTPUT);
  pinMode(hijau3, OUTPUT);
  pinMode(merah1, OUTPUT);
  pinMode(merah2, OUTPUT);
  pinMode(merah3, OUTPUT);
  pinMode(kuning, OUTPUT);
  Blynk.begin(auth, ssid, pass);
}

void loop(){
  Blynk.run();
  if(a == 1){
    Blynk.virtualWrite(V1, "Ambulance Silahkan Lewat");
  }
  else{
    Blynk.virtualWrite(V1, "Traffic Light Normal");
    digitalWrite(kuning, HIGH);
    digitalWrite(hijau1, LOW);
    digitalWrite(hijau2, LOW);
    digitalWrite(hijau3, LOW);
    digitalWrite(merah1, LOW);
    digitalWrite(merah2, LOW);
    digitalWrite(merah3, LOW);
    delay(2000);

    Blynk.virtualWrite(V2, "Lampu Hijau dari Perkamil");
    digitalWrite(kuning, LOW);
    digitalWrite(hijau1, LOW);
    digitalWrite(hijau2, HIGH);
    digitalWrite(hijau3, LOW);
    digitalWrite(merah1, HIGH);
    digitalWrite(merah2, LOW);
    digitalWrite(merah3, HIGH);
    delay(5000);

    digitalWrite(kuning, HIGH);
    digitalWrite(hijau1, LOW);
    digitalWrite(hijau2, LOW);
    digitalWrite(hijau3, LOW);
    digitalWrite(merah1, LOW);
    digitalWrite(merah2, LOW);
    digitalWrite(merah3, LOW);
    delay(2000);

    Blynk.virtualWrite(V2, "Lampu Hijau dari Arah Pusat Kota");
    digitalWrite(kuning, LOW);
    digitalWrite(hijau1, LOW);
    digitalWrite(hijau2, LOW);
    digitalWrite(hijau3, HIGH);
    digitalWrite(merah1, HIGH);
    digitalWrite(merah2, HIGH);
    digitalWrite(merah3, LOW);
    delay(5000);

    digitalWrite(kuning, HIGH);
    digitalWrite(hijau1, LOW);
    digitalWrite(hijau2, LOW);
    digitalWrite(hijau3, LOW);
    digitalWrite(merah1, LOW);
    digitalWrite(merah2, LOW);
    digitalWrite(merah3, LOW);
    delay(2000);

    Blynk.virtualWrite(V2, "Lampu Hijau dari Arah Kairagi");
    digitalWrite(kuning, LOW);
    digitalWrite(hijau1, HIGH);
    digitalWrite(hijau2, LOW);
    digitalWrite(hijau3, LOW);
    digitalWrite(merah1, LOW);
    digitalWrite(merah2, HIGH);
    digitalWrite(merah3, HIGH);
    delay(5000);
  }
}