#ifndef FRC971_CONSTANTS_H_
#define FRC971_CONSTANTS_H_

#include <stdint.h>

#include "frc971/control_loops/state_feedback_loop.h"

namespace frc971 {
namespace constants {

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

const uint16_t kCompTeamNumber = 8971;
const uint16_t kPracticeTeamNumber = 971;

// Contains the voltages for an analog hall effect sensor on a shifter.
struct ShifterHallEffect {
  // The numbers to use for scaling raw voltages to 0-1.
  double high, low;

  // The numbers for when the dog is clear of each gear.
  double clear_high, clear_low;
};

// 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;

  bool clutch_transmission;

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

  double upper_claw_lower_limit;
  double upper_claw_upper_limit;
  double lower_claw_lower_limit;
  double lower_claw_upper_limit;
  double claw_zeroing_off_speed;
  double claw_zeroing_speed;

  // claw seperation that would be considered a collision
  double claw_min_seperation;
  double claw_max_seperation;

  // Three hall effects are known as front, calib and back
  double upper_claw_front_heffect_lower_angle;
  double upper_claw_front_heffect_upper_angle;
  double upper_claw_calib_heffect_lower_angle;
  double upper_claw_calib_heffect_upper_angle;
  double upper_claw_back_heffect_lower_angle;
  double upper_claw_back_heffect_upper_angle;
  double lower_claw_front_heffect_lower_angle;
  double lower_claw_front_heffect_upper_angle;
  double lower_claw_calib_heffect_lower_angle;
  double lower_claw_calib_heffect_upper_angle;
  double lower_claw_back_heffect_lower_angle;
  double lower_claw_back_heffect_upper_angle;
};

// Creates (once) a Values instance and returns a reference to it.
const Values &GetValues();

}  // namespace constants
}  // namespace frc971

#endif  // FRC971_CONSTANTS_H_