// Бортюк Владимир 7 задание

const int red_car = 2;
const int yel_car = 3;
const int gr_car = 4;

const int red_ped = 7;
const int gr_ped = 8;

const int pht = 12;
const int btn1 = 11;

void setup() {
  pinMode(red_car, OUTPUT);
  pinMode(yel_car, OUTPUT);
  pinMode(gr_car, OUTPUT);

  pinMode(red_ped, OUTPUT);
  pinMode(gr_ped, OUTPUT);

  pinMode(pht, INPUT);
  pinMode(btn1, INPUT_PULLUP);
}

void loop() {
  if(digitalRead(pht)){
    digitalWrite(red_ped, LOW);
    digitalWrite(gr_ped, LOW);
    digitalWrite(red_car, LOW);
    digitalWrite(gr_car, LOW);

    while(digitalRead(pht) == 1){
      digitalWrite(yel_car, HIGH);
      delay(600);
      digitalWrite(yel_car, LOW);
      delay(600);
    }
  }
  else{
    if(digitalRead(btn1)){
      digitalWrite(gr_car, HIGH);
      digitalWrite(red_ped, HIGH);
    }
    else{
      digitalWrite(gr_car, HIGH);
      delay(5000);

      for(int i = 0; i < 4; i++){
        digitalWrite(gr_car, HIGH);
        delay(500);
        digitalWrite(gr_car, LOW);
        delay(500);
      }

      digitalWrite(yel_car, HIGH);
      delay(2000);
      digitalWrite(yel_car, LOW);


      digitalWrite(red_car, HIGH);
      digitalWrite(red_ped, LOW);
      digitalWrite(gr_ped, HIGH);
      delay(7000);

      digitalWrite(gr_ped, LOW);
      digitalWrite(red_ped, HIGH);

      digitalWrite(yel_car, HIGH);
      delay(2000);
      digitalWrite(red_car, LOW);
      digitalWrite(yel_car, LOW);
      digitalWrite(gr_car, HIGH);

    }
  }
}