#pragma once

#include <string>

using std::string;

/** @brief wrapper for magic numbers */
struct Coefficients {
  double b0;
  double b1;
  double b2;
  double a1;
  double a2;
};

class Arguments {
public:
	/** @brief parse arguments using getopt */
  Arguments(int argc, char** argv);

public:
  unsigned int max_threads = 4;
  string file_input;
  string file_output;
  Coefficients bass;
  Coefficients treble;

private:
	/** @brief calculate magic coefficients using bass and treble gain value */
  void calculate_coefficients();

private:
  int gain_bass = 0;
  int gain_treble = 0;
};