#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL61HijHOUI"
#define BLYNK_TEMPLATE_NAME "ABS System"
#define BLYNK_AUTH_TOKEN "KNg34anztxz8OxnLgrfju8P9zkLvOU47"

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

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

const int green1 = 25;
const int yellow1 = 26;
const int red1 = 27;
const int track1 = 34;

const int green2 = 12;
const int yellow2 = 13;
const int red2 = 14;
const int track2 = 35;

const int green3 = 21;
const int yellow3 = 22;
const int red3 = 23;
const int track3 = 32;

const int green4 = 17;
const int yellow4 = 18;
const int red4 = 19;
const int track4 = 33;

void setup() {
  // initialize the LED signal pin as an output:
  pinMode(green1, OUTPUT);
  pinMode(yellow1, OUTPUT);
  pinMode(red1, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(track1, INPUT_PULLDOWN);
  // initialize the LED signal pin as an output:
  pinMode(green2, OUTPUT);
  pinMode(yellow2, OUTPUT);
  pinMode(red2, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(track2, INPUT_PULLDOWN);
  // initialize the LED signal pin as an output:
  pinMode(green3, OUTPUT);
  pinMode(yellow3, OUTPUT);
  pinMode(red3, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(track3, INPUT_PULLDOWN);
  // initialize the LED signal pin as an output:
  pinMode(green4, OUTPUT);
  pinMode(yellow4, OUTPUT);
  pinMode(red4, OUTPUT);
  // initialize the pushbutton pin as an input:
  pinMode(track4, INPUT_PULLDOWN);

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  timer.setInterval(1000L, sendData);

}

void loop() 
{
  Blynk.run();
  timer.run();
}


void sendData() 
{
  String textStatus;

  int trackstate1 = 0;
  // read the state of the pushbutton value:
  trackstate1 = digitalRead(track1);
  int trackstate2 = 0;
  // read the state of the pushbutton value:
  trackstate2 = digitalRead(track2);
  int trackstate3 = 0;
  // read the state of the pushbutton value:
  trackstate3 = digitalRead(track3);
  int trackstate4 = 0;
  // read the state of the pushbutton value:
  trackstate4 = digitalRead(track4);

  // Blok 101
  if (trackstate1 == LOW)
  {
    digitalWrite(green1, HIGH);
    digitalWrite(red1, LOW);
    textStatus = "Clear";
    Blynk.virtualWrite(V0, textStatus);
  }
  else if (trackstate1 == HIGH)
  {
    digitalWrite(red1, HIGH);
    digitalWrite(green1, LOW);
    textStatus = "Occupaid";
    Blynk.virtualWrite(V0, textStatus);
  }
  // Blok 102
  if (trackstate1 == HIGH && trackstate2 == LOW)
  {
    digitalWrite(yellow2, HIGH);
    digitalWrite(red2, LOW);
    digitalWrite(green2, LOW);
    textStatus = "Clear";
    Blynk.virtualWrite(V1, textStatus);
  }
  else if (trackstate1 == LOW && trackstate2 == HIGH)
  {
    digitalWrite(yellow2, LOW);
    digitalWrite(red2, HIGH);
    digitalWrite(green2, LOW);
    textStatus = "Occupaid";
    Blynk.virtualWrite(V1, textStatus);
  }
  else if (trackstate1 == HIGH && trackstate2 == HIGH)
  {
    digitalWrite(yellow2, LOW);
    digitalWrite(red2, HIGH);
    digitalWrite(green2, LOW);
    textStatus = "Occupaid";
    Blynk.virtualWrite(V1, textStatus);
  }
  else if (trackstate1 == LOW && trackstate2 == LOW)
  {
    digitalWrite(yellow2, LOW);
    digitalWrite(red2, LOW);
    digitalWrite(green2, HIGH);
    textStatus = "Clear";
    Blynk.virtualWrite(V1, textStatus);
  }
  // Blok 103
  if (trackstate2 == HIGH && trackstate3 == LOW)
  {
    digitalWrite(yellow3, HIGH);
    digitalWrite(red3, LOW);
    digitalWrite(green3, LOW);
    textStatus = "Clear";
    Blynk.virtualWrite(V2, textStatus);
  }
  else if (trackstate2 == LOW && trackstate3 == HIGH)
  {
    digitalWrite(yellow3, LOW);
    digitalWrite(red3, HIGH);
    digitalWrite(green3, LOW);
    textStatus = "Occupaid";
    Blynk.virtualWrite(V2, textStatus);
  }
  else if (trackstate2 == HIGH && trackstate3 == HIGH)
  {
    digitalWrite(yellow3, LOW);
    digitalWrite(red3, HIGH);
    digitalWrite(green3, LOW);
    textStatus = "Occupaid";
    Blynk.virtualWrite(V2, textStatus);
  }
  else if (trackstate2 == LOW && trackstate3 == LOW)
  {
    digitalWrite(yellow3, LOW);
    digitalWrite(red3, LOW);
    digitalWrite(green3, HIGH);
    textStatus = "Clear";
    Blynk.virtualWrite(V2, textStatus);
  }
  // Blok 104
  if (trackstate3 == HIGH && trackstate4 == LOW)
  {
    digitalWrite(yellow4, HIGH);
    digitalWrite(red4, LOW);
    digitalWrite(green4, LOW);
    textStatus = "Clear";
    Blynk.virtualWrite(V3, textStatus);
  }
  else if (trackstate3 == LOW && trackstate4 == HIGH)
  {
    digitalWrite(yellow4, LOW);
    digitalWrite(red4, HIGH);
    digitalWrite(green4, LOW);
    textStatus = "Occupaid";
    Blynk.virtualWrite(V3, textStatus);
  }
  else if (trackstate3 == HIGH && trackstate4 == HIGH)
  {
    digitalWrite(yellow4, LOW);
    digitalWrite(red4, HIGH);
    digitalWrite(green4, LOW);
    textStatus = "Occupaid";
    Blynk.virtualWrite(V3, textStatus);
  }
  else if (trackstate3 == LOW && trackstate4 == LOW)
  {
    digitalWrite(yellow4, LOW);
    digitalWrite(red4, LOW);
    digitalWrite(green4, HIGH);
    textStatus = "Clear";
    Blynk.virtualWrite(V3, textStatus);
  }

}