#pragma once

#include <array>
#include <cstdint>
#include <vector>

// Colour conversion utilities mirroring lib/dali/color.dart.
class DaliColor {
 public:
  static std::array<int, 4> toIntList(double a, double r, double g, double b);
  static int toInt(double a, double r, double g, double b);
  static double decimalRound(int num, double idp);
  static std::array<double, 3> gammaCorrection(double r, double g, double b, double gamma = 2.8);

  static std::array<double, 3> rgb2xyz(double r, double g, double b);
  static std::array<int, 3> xyz2rgb(double x, double y, double z);
  static std::array<double, 2> xyz2xy(double x, double y, double z);
  static std::array<double, 3> xy2xyz(double xVal, double yVal);
  static std::array<double, 2> rgb2xy(double r, double g, double b);
  static std::array<int, 3> xy2rgb(double xVal, double yVal);

  static std::array<double, 3> xyz2lab(double x, double y, double z);
  static std::array<double, 3> rgb2lab(double r, double g, double b);
  static std::array<double, 3> lab2xyz(double l, double a, double b);
  static std::array<int, 3> lab2rgb(double l, double a, double b);

 private:
  static double srgbToLinear(double value);
  static double linearToSrgb(double value);
};