#define BLYNK_TEMPLATE_ID "TMPL6KsoBImal"
#define BLYNK_TEMPLATE_NAME "Traffic Light"
#define BLYNK_AUTH_TOKEN "GALEESiCAY-AzLUhvsMx8a9zAhonsqcD"

#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() {
// put your setup code here, to run once:
  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, "Trafic 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 (merah1, HIGH);
    digitalWrite (hijau1, LOW);
    digitalWrite (merah2, LOW);
    digitalWrite (hijau2, HIGH);
    digitalWrite (merah3, HIGH);
    digitalWrite (hijau3, 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 Pusat Kota");
    digitalWrite (kuning, LOW);
    digitalWrite (merah1, HIGH);
    digitalWrite (hijau1, LOW);
    digitalWrite (merah2, HIGH);
    digitalWrite (hijau2, LOW);
    digitalWrite (merah3, LOW);
    digitalWrite (hijau3, 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 Kairagi");
    digitalWrite (kuning, LOW);
    digitalWrite (merah1, LOW);
    digitalWrite (hijau1, HIGH);
    digitalWrite (merah2, HIGH);
    digitalWrite (hijau2, LOW);
    digitalWrite (merah3, HIGH);
    digitalWrite (hijau3, LOW); 
    delay(5000);
  }
}