#pragma once

#include <pebble-cpp/pebble.hpp>

class DigitLayerInner : public Pebble::CustomLayer {
  static constexpr int16_t extraDigits = 2;
  static constexpr int16_t digitHeight = 56;
  int16_t digitCount = 10;

  DigitLayerInner() : Pebble::CustomLayer(Pebble::GRect()) {}

  static void DrawDigit(const Pebble::GContext& ctx, const Pebble::GRect& bounds, const uint16_t digit);

  friend class DigitLayer;

protected:
  void OnUpdate(const Pebble::GContext& ctx);
};

class DigitLayer : public Pebble::SimpleLayer {
  DigitLayerInner innerLayer;
  Pebble::ScrollLayer scrollLayer;
public:
  DigitLayer();

  void SetDigitCount(uint16_t cnt = 10) {
    if (this->innerLayer.digitCount != cnt) {
      this->innerLayer.digitCount = cnt;
      this->UpdateLayout();
    }
  }
  void UpdateLayout();
  void RotateTo(uint16_t digit, bool animate=true);
private:
  int16_t ComputeOffset(uint16_t digit);
};