#pragma once

class BaseDataSource {
public:
  double get_speed();                    // in km/h
  double get_brake_balance();            // 0.0 - 1.0
  double get_hv_voltage();               // in V
  double get_hv_voltage_ratio();         // 0.0 - 1.0
  double get_lv_voltage();               // in V
  double get_battery_temperature();      // in °C
  double get_throttle_ratio();           // 0.0 - 1.0
  double get_brake_pressure_front_bar(); // in bar
  double get_brake_pressure_rear_bar();  // in bar

  bool brake_balance_change_is_recent(); // true if the last change was less
                                         // than 1 second ago

  virtual void poll() = 0;

protected:
  void set_brake_balance(double value);

  double speed;
  double brake_balance;
  double hv_voltage;
  double hv_voltage_ratio;
  double lv_voltage;
  double battery_temperature;
  double throttle_ratio;
  double brake_pressure_front_bar;
  double brake_pressure_rear_bar;

  int time_of_last_brake_balance_change;
};