//definding all the variables and arrays for the code
#define max_array 1000
unsigned int arr_lenght = 0;
int randLed[15];
int buttons[] = {50, 49, 48, 47, 46, 45, 44, 43, 42, 15};
int leds[] = {10, 9, 8, 7, 6, 5, 4, 3, 2};
int good = 20;
int bad = 21;
//int checkButton = 15;
byte index = 10;
byte greenLed = 20;
byte redLed = 21;
const unsigned long dealyTime = 50;
unsigned long pastTime = 0;
long randomNum;
byte pressed;
bool halo = true;

void setup() {

//making all the necesarry pinMode settings
  for (int led : leds) {
    pinMode(led, OUTPUT);
  }

  for (int button : buttons) {
    pinMode(button, INPUT_PULLUP);
  }

  pinMode(good, OUTPUT);
  pinMode(bad, OUTPUT);

}

/*
int indexOf(int lista[], int led, int sizeofList = 9) {

  for (int listaIndex = 0; listaIndex < sizeofList; ++listaIndex) {
    if (digitalRead(lista[listaIndex]) == LOW) {
      return listaIndex;
    }
  }
  return sizeofList + 1;
}
*/
  int buttonPressed = 0;
  int indexLed = 0;

void randomLed() {

//making a function for random leds
//its only blinking a random led after you pressed the button
  for (int button : buttons) {
    pressed = digitalRead(button);
    if (digitalRead(15) == (LOW || pressed == LOW) && halo) {
      randomSeed(analogRead(A1));
      randomNum = random(2, 10);
      digitalWrite(randomNum, HIGH);
      delay(500);
      digitalWrite(randomNum, LOW);
      randLed[arr_lenght] = randomNum;
      arr_lenght++;
      halo = false;
    }
    index -= 1;
  }
  index = 10;
//checking if the button is pressed and storing it
}

void action() {

  unsigned long currentTime = millis();
  if (currentTime - pastTime >= dealyTime) {
    
//go through all the buttons, check them one by one if they pressed or not
//if yes, make that led's state HIGH that is the same indexed element of the leds array
    int act_butt;
    for (int button : buttons) {  
        digitalWrite(index, !digitalRead(button));
        index -= 1;
        if (digitalRead(button) == LOW) {
          act_butt = button;
        }
    }
    
    if (randLed[-1] == act_butt) {
      digitalWrite(good, HIGH);
      delay(100);
      digitalWrite(good, LOW);
      halo = true;
    }
    else {
      digitalWrite(bad, HIGH);
      delay(100);
      digitalWrite(bad, LOW);
    }
    index = 10;
    pastTime = currentTime;
  }
}

void loop() {

  randomLed();
  action();
  /*for (int led : randLed) {
    digitalWrite(led, HIGH);
  }*/
}