#include <Ticker.h>

#define arraySize(arr) (sizeof(arr) / sizeof(*(arr)))

void handleClockTick();

class LoopingBuffer
{
public:
  void init()
  {
    randomizeBits();
  }

  void randomizeBits()
  {
    for (int i = 0; i < arraySize(bits); i++) {
      bits[i] = (random(100) > 49) ? 1: 0;
    }
  }

  void printBits()
  {
    for (int i = 0; i < arraySize(bits); i++) {
      Serial.print(bits[i]);
    }
    Serial.println();
  }

  void getLength() { return length; }

  void setLength(int new_length) { length = new_length; }

  void shiftRight()
  {
    int last_i = length - 1;
    int temp = bits[last_i];
    for (int i = last_i; i > 0; i--)
    {
      bits[i] = bits[i - 1];
    }
    if (random(100) < chance) { temp = !temp; }
    bits[0] = temp;
  }

private:
  int bits[32];
  int chance = 0;
  int length = 8;
};

LoopingBuffer buffer;
Ticker clock(handleClockTick, 1000);

void setup() {
  Serial.begin(9600);
  while(!Serial);

  byte b = 0b01010101;
  int i = b;
  char s = b;
  Serial.println(s);
  Serial.println(b);
  Serial.println(i);

  buffer.init();
  clock.start();
}

void loop() {
  clock.update();
}

void handleClockTick()
{
  buffer.shiftRight();
  // buffer.printBits();
}