/*
  Arduino \ coding-help
  overloaded function issue

  John Arduino
  January 11, 2026 10:20 AM
  make the signaling lights like in formula one
  1 sec interval, then .2 to 3 sec delay until off (start)
*/

const int LED_PINS[] = {12, 11, 10, 9, 8};
const int BTN_PIN = 7;
const unsigned long ONE_SEC = 1000;

bool isRunning = false;
unsigned long randomTime = 0;

void semaforo() {
  for (int i = 0; i < 5; i++) {
    digitalWrite(LED_PINS[i], HIGH);
    delay(ONE_SEC);
    digitalWrite(LED_PINS[i], LOW);
  }
  for (int i = 0; i < 5; i++) {
    digitalWrite(LED_PINS[i], HIGH);
  }
  delay(randomTime);
  for (int i = 0; i < 5; i++) {
    digitalWrite(LED_PINS[i], LOW);
  }
  isRunning = false;
  Serial.println("START!\n");
}

void setup() {
  Serial.begin(9600);
  for (int i = 0; i < 5; i++) {
    pinMode(LED_PINS[i], OUTPUT);
  }
  pinMode(BTN_PIN, INPUT_PULLUP);
  randomSeed(analogRead(A0));
}

void loop() {
  if (digitalRead(BTN_PIN) == LOW && !isRunning)  {
    isRunning = true;
    randomTime = random(200, 3001);
    Serial.println("Get ready!");
    Serial.print("Random time: ");
    Serial.print(randomTime);
    Serial.println(" ms");
    semaforo();
  }
}