//programma voor eenvoudige F1 startlichten
int ledPins[8] = {0,1,2,3,4,5,6,7};
int power = 8;
int start = 9;
int speaker = 10;

int previous = 0;
int reading = 0;
int buttonState = 0;
long time = 0;
long debounce = 200;

int previousS = 0;
int readingS = 0;
int buttonStateS = 0;
long timeS = 0;

void setup() {
  // put your setup code here, to run once:
  for (int i = 0; i < 8; i++) {
    pinMode(ledPins[i], OUTPUT);
  };
  pinMode(power, INPUT);
  pinMode(start, INPUT);
  pinMode(speaker, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  
  // power knop een toggle button maken
  reading = digitalRead(power);
  if (reading == HIGH && previous == LOW && millis() - time > debounce){
    buttonState = !buttonState;
    time = millis();
  }
  
  // start knop toggle
  readingS = digitalRead(start);
  if (readingS == HIGH && previousS == LOW && buttonState == HIGH && millis() - timeS > debounce){
    buttonStateS = !buttonStateS;
    timeS = millis();
  }
  
  //power aan => alle lichten aan
  if (buttonState == HIGH) {
    for (int i = 0; i < 8; i++) {
      digitalWrite(ledPins[i], HIGH);
    }
    //start aan => start sequentie
    if (buttonStateS == HIGH) {
      //random delay voor de start
      long randomDelay = random(50, 201);

      for (int i = 0; i < 8; i++) {
        digitalWrite(ledPins[i], LOW);
      }
      delay(1000);
      for (int i = 4; i < 8; i++) {
        digitalWrite(ledPins[i], HIGH);
        tone(speaker, 265, 250); //speaker geluid laten maken
        delay(1000);
      }
      for (int i = 4; i < 8; i++) {
        digitalWrite(ledPins[i], LOW);
      }
      delay(randomDelay);
      for (int i = 0; i < 4; i++) {
        digitalWrite(ledPins[i], HIGH);
      }
      tone(speaker, 700, 1000); //speaker hogere toon laten maken
      delay(5000);
      buttonStateS = LOW;
    }
  }
  else {
    for (int i = 0; i < 8; i++) {
      digitalWrite(ledPins[i], LOW);
    }
  }
}