#ifndef Y2016_CONSTANTS_H_
#define Y2016_CONSTANTS_H_

#include <stdint.h>

#include "frc971/shifter_hall_effect.h"
#include "frc971/control_loops/state_feedback_loop.h"

namespace y2016 {
namespace constants {

using ::frc971::constants::ShifterHallEffect;

// Has all of the numbers that change for both robots and makes it easy to
// retrieve the values for the current one.

// Everything is in SI units (volts, radians, meters, seconds, etc).
// Some of these values are related to the conversion between raw values
// (encoder counts, voltage, etc) to scaled units (radians, meters, etc).

// This structure contains current values for all of the things that change.
struct Values {
  // The ratio from the encoder shaft to the drivetrain wheels.
  double drivetrain_encoder_ratio;

  // The gear ratios from motor shafts to the drivetrain wheels for high and low
  // gear.
  double low_gear_ratio;
  double high_gear_ratio;
  ShifterHallEffect left_drive, right_drive;

  double turn_width;

  ::std::function<StateFeedbackLoop<2, 2, 2>()> make_v_drivetrain_loop;
  ::std::function<StateFeedbackLoop<4, 2, 2>()> make_drivetrain_loop;

  double drivetrain_max_speed;
};

// Creates (once) a Values instance for ::aos::network::GetTeamNumber() and
// returns a reference to it.
const Values &GetValues();

// Creates Values instances for each team number it is called with and returns
// them.
const Values &GetValuesForTeam(uint16_t team_number);

}  // namespace constants
}  // namespace y2016

#endif  // Y2016_CONSTANTS_H_