// controls.hxx -- defines a standard interface to all flight sim controls
//
// Written by Curtis Olson, started May 1997.
//
// SPDX-FileCopyrightText: (C) 1997  Curtis L. Olson - http://www.flightgear.org/~curt
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#include "simgear/props/props.hxx"
#include <simgear/props/tiedpropertylist.hxx>
#include <simgear/structure/subsystem_mgr.hxx>

// Define a structure containing the control parameters

class FGControls : public SGSubsystem
{
public:
    enum {
        ALL_ENGINES = -1,
        MAX_ENGINES = 12
    };

    enum {
        ALL_WHEELS = -1,
        MAX_WHEELS = 3
    };

    enum {
        ALL_TANKS = -1,
        MAX_TANKS = 8
    };

    enum {
        ALL_BOOSTPUMPS = -1,
        MAX_BOOSTPUMPS = 2
    };

    enum {
        ALL_HYD_SYSTEMS = -1,
        MAX_HYD_SYSTEMS = 4
    };

    enum {
        ALL_PACKS = -1,
        MAX_PACKS = 4
    };

    enum {
        ALL_LIGHTS = -1,
        MAX_LIGHTS = 4
    };

    enum {
        ALL_STATIONS = -1,
        MAX_STATIONS = 12
    };

    enum {
        ALL_AUTOPILOTS = -1,
        MAX_AUTOPILOTS = 3
    };

    enum {
        ALL_EJECTION_SEATS = -1,
        MAX_EJECTION_SEATS = 10
    };

    enum {
        SEAT_SAFED = -1,
        SEAT_ARMED = 0,
        SEAT_FAIL = 1
    };

    enum {
        CMD_SEL_NORM = -1,
        CMD_SEL_AFT = 0,
        CMD_SEL_SOLO = 1
    };

private:
    // controls/flight/
    double aileron;
    double aileron_trim;
    double elevator;
    double elevator_trim;
    double rudder;
    double rudder_trim;
    double flaps;
    double slats;
    bool BLC; // Boundary Layer Control
    double spoilers;
    double speedbrake;
    double wing_sweep;
    bool wing_fold;
    bool drag_chute;

    // controls/engines/
    bool throttle_idle;

    // controls/engines/engine[n]/
    double throttle[MAX_ENGINES];
    bool starter[MAX_ENGINES];
    bool fuel_pump[MAX_ENGINES];
    bool fire_switch[MAX_ENGINES];
    bool fire_bottle_discharge[MAX_ENGINES];
    bool cutoff[MAX_ENGINES];
    double mixture[MAX_ENGINES];
    double prop_advance[MAX_ENGINES];
    int magnetos[MAX_ENGINES];
    int feed_tank[MAX_ENGINES];
    bool nitrous_injection[MAX_ENGINES]; // War Emergency Power
    double cowl_flaps_norm[MAX_ENGINES];
    bool feather[MAX_ENGINES];
    int ignition[MAX_ENGINES];
    bool augmentation[MAX_ENGINES];
    bool reverser[MAX_ENGINES];
    bool water_injection[MAX_ENGINES];
    double condition[MAX_ENGINES]; // turboprop speed select

    // controls/fuel/
    bool dump_valve;

    // controls/fuel/tank[n]/
    bool fuel_selector[MAX_TANKS];
    int to_engine[MAX_TANKS];
    int to_tank[MAX_TANKS];

    // controls/fuel/tank[n]/pump[p]/
    bool boost_pump[static_cast<int>(MAX_TANKS) * static_cast<int>(MAX_BOOSTPUMPS)];

    // controls/gear/
    double brake_left;
    double brake_right;
    double copilot_brake_left;
    double copilot_brake_right;
    double brake_parking;
    double steering;
    bool nose_wheel_steering;
    bool gear_down;
    bool antiskid;
    bool tailhook;
    bool launchbar;
    bool catapult_launch_cmd;
    bool tailwheel_lock;

    // controls/gear/wheel[n]/
    bool alternate_extension[MAX_WHEELS];

    // controls/anti-ice/
    bool wing_heat;
    bool pitot_heat;
    int wiper;
    bool window_heat;

    // controls/anti-ice/engine[n]/
    bool carb_heat[MAX_ENGINES];
    bool inlet_heat[MAX_ENGINES];

    // controls/hydraulic/system[n]/
    bool engine_pump[MAX_HYD_SYSTEMS];
    bool electric_pump[MAX_HYD_SYSTEMS];

    // controls/electric/
    bool battery_switch;
    bool external_power;
    bool APU_generator;

    // controls/electric/engine[n]/
    bool generator_breaker[MAX_ENGINES];
    bool bus_tie[MAX_ENGINES];

    // controls/pneumatic/
    bool APU_bleed;

    // controls/pneumatic/engine[n]/
    bool engine_bleed[MAX_ENGINES];

    // controls/pressurization/
    int mode;
    bool dump;
    double outflow_valve;

    // controls/pressurization/pack[n]/
    bool pack_on[MAX_PACKS];

    // controls/lighting/
    bool landing_lights;
    bool turn_off_lights;
    bool taxi_light;
    bool logo_lights;
    bool nav_lights;
    bool beacon;
    bool strobe;
    double panel_norm;
    double instruments_norm;
    double dome_norm;

    // controls/armament/
    bool master_arm;
    int station_select;
    bool release_ALL;

    // controls/armament/station[n]/
    int stick_size[MAX_STATIONS];
    bool release_stick[MAX_STATIONS];
    bool release_all[MAX_STATIONS];
    bool jettison_all[MAX_STATIONS];

    // controls/seat/
    double vertical_adjust;
    double fore_aft_adjust;
    bool eject[MAX_EJECTION_SEATS];
    int eseat_status[MAX_EJECTION_SEATS];
    int cmd_selector_valve;

    // controls/APU/
    int off_start_run;
    bool APU_fire_switch;

    // controls/autoflight/autopilot[n]/
    bool autopilot_engage[MAX_AUTOPILOTS];

    // controls/autoflight/
    bool autothrottle_arm;
    bool autothrottle_engage;
    double heading_select;
    double altitude_select;
    double bank_angle_select;
    double vertical_speed_select;
    double speed_select;
    double mach_select;
    int vertical_mode;
    int lateral_mode;

    SGPropertyNode_ptr auto_coordination;
    SGPropertyNode_ptr auto_coordination_factor;
    simgear::TiedPropertyList _tiedProperties;

    // we need to node pointers as well, so we can manually
    // fire valueChanged for these
    SGPropertyNode_ptr _aileronNode;
    SGPropertyNode_ptr _elevatorNode;
    SGPropertyNode_ptr _aileronTrimNode;
    SGPropertyNode_ptr _elevatorTrimNode;
    SGPropertyNode_ptr _rudderNode;
    SGPropertyNode_ptr _rudderTrimNode;
    SGPropertyNode_ptr _flapsNode;

    simgear::PropertyList _engineThrottleNodes;
    simgear::PropertyList _engineMixtureNodes;
    simgear::PropertyList _engineConditionNodes;
    simgear::PropertyList _engineStarterNodes;
    simgear::PropertyList _engineCutoffNodes;
    simgear::PropertyList _engineReverserNodes;
    simgear::PropertyList _engineWaterInjectionNodes;
    simgear::PropertyList _engineMagnetoNodes;
    simgear::PropertyList _engineAugmentationNodes;
    simgear::PropertyList _enginePropAdvanceNodes;

public:
    FGControls();
    ~FGControls();

    // Subsystem API.
    void bind() override;
    void init() override;
    void reinit() override;
    void unbind() override;
    void update(double dt) override;

    // Subsystem identification.
    static const char* staticSubsystemClassId() { return "controls"; }

    // Reset function
    void reset_all(void);

    // Query functions
    // controls/flight/
    inline double get_aileron() const { return aileron; }
    inline double get_aileron_trim() const { return aileron_trim; }
    inline double get_elevator() const { return elevator; }
    inline double get_elevator_trim() const { return elevator_trim; }
    inline double get_rudder() const { return rudder; }
    inline double get_rudder_trim() const { return rudder_trim; }
    inline double get_flaps() const { return flaps; }
    inline double get_slats() const { return slats; }
    inline bool get_BLC() const { return BLC; }
    inline double get_spoilers() const { return spoilers; }
    inline double get_speedbrake() const { return speedbrake; }
    inline double get_wing_sweep() const { return wing_sweep; }
    inline bool get_wing_fold() const { return wing_fold; }
    inline bool get_drag_chute() const { return drag_chute; }

    // controls/engines/
    inline bool get_throttle_idle() const { return throttle_idle; }

    // controls/engines/engine[n]/
    inline double get_throttle(int engine) const { return throttle[engine]; }
    inline bool get_starter(int engine) const { return starter[engine]; }
    inline bool get_fuel_pump(int engine) const { return fuel_pump[engine]; }
    inline bool get_fire_switch(int engine) const { return fire_switch[engine]; }
    inline bool get_fire_bottle_discharge(int engine) const
    {
        return fire_bottle_discharge[engine];
    }
    inline bool get_cutoff(int engine) const { return cutoff[engine]; }
    inline double get_mixture(int engine) const { return mixture[engine]; }
    inline double get_prop_advance(int engine) const
    {
        return prop_advance[engine];
    }
    inline int get_magnetos(int engine) const { return magnetos[engine]; }
    inline int get_feed_tank(int engine) const { return feed_tank[engine]; }
    inline bool get_nitrous_injection(int engine) const
    {
        return nitrous_injection[engine];
    }
    inline double get_cowl_flaps_norm(int engine) const
    {
        return cowl_flaps_norm[engine];
    }
    inline bool get_feather(int engine) const { return feather[engine]; }
    inline int get_ignition(int engine) const { return ignition[engine]; }
    inline bool get_augmentation(int engine) const { return augmentation[engine]; }
    inline bool get_reverser(int engine) const { return reverser[engine]; }
    inline bool get_water_injection(int engine) const
    {
        return water_injection[engine];
    }
    inline double get_condition(int engine) const { return condition[engine]; }

    // controls/fuel/
    inline bool get_dump_valve() const { return dump_valve; }

    // controls/fuel/tank[n]/
    inline bool get_fuel_selector(int tank) const
    {
        return fuel_selector[tank];
    }
    inline int get_to_engine(int tank) const { return to_engine[tank]; }
    inline int get_to_tank(int tank) const { return to_tank[tank]; }

    // controls/fuel/tank[n]/pump[p]/
    inline bool get_boost_pump(int index) const
    {
        return boost_pump[index];
    }

    // controls/gear/
    inline double get_brake_left() const { return brake_left; }
    inline double get_brake_right() const { return brake_right; }
    inline double get_copilot_brake_left() const { return copilot_brake_left; }
    inline double get_copilot_brake_right() const { return copilot_brake_right; }
    inline double get_brake_parking() const { return brake_parking; }
    inline double get_steering() const { return steering; }
    inline bool get_nose_wheel_steering() const { return nose_wheel_steering; }
    inline bool get_gear_down() const { return gear_down; }
    inline bool get_antiskid() const { return antiskid; }
    inline bool get_tailhook() const { return tailhook; }
    inline bool get_launchbar() const { return launchbar; }
    inline bool get_catapult_launch_cmd() const { return catapult_launch_cmd; }
    inline bool get_tailwheel_lock() const { return tailwheel_lock; }

    // controls/gear/wheel[n]/
    inline bool get_alternate_extension(int wheel) const
    {
        return alternate_extension[wheel];
    }

    // controls/anti-ice/
    inline bool get_wing_heat() const { return wing_heat; }
    inline bool get_pitot_heat() const { return pitot_heat; }
    inline int get_wiper() const { return wiper; }
    inline bool get_window_heat() const { return window_heat; }

    // controls/anti-ice/engine[n]/
    inline bool get_carb_heat(int engine) const { return carb_heat[engine]; }
    inline bool get_inlet_heat(int engine) const { return inlet_heat[engine]; }

    // controls/hydraulic/system[n]/
    inline bool get_engine_pump(int system) const { return engine_pump[system]; }
    inline bool get_electric_pump(int system) const { return electric_pump[system]; }

    // controls/electric/
    inline bool get_battery_switch() const { return battery_switch; }
    inline bool get_external_power() const { return external_power; }
    inline bool get_APU_generator() const { return APU_generator; }

    // controls/electric/engine[n]/
    inline bool get_generator_breaker(int engine) const
    {
        return generator_breaker[engine];
    }
    inline bool get_bus_tie(int engine) const { return bus_tie[engine]; }

    // controls/pneumatic/
    inline bool get_APU_bleed() const { return APU_bleed; }

    // controls/pneumatic/engine[n]/
    inline bool get_engine_bleed(int engine) const { return engine_bleed[engine]; }

    // controls/pressurization/
    inline int get_mode() const { return mode; }
    inline double get_outflow_valve() const { return outflow_valve; }
    inline bool get_dump() const { return dump; }

    // controls/pressurization/pack[n]/
    inline bool get_pack_on(int pack) const { return pack_on[pack]; }

    // controls/lighting/
    inline bool get_landing_lights() const { return landing_lights; }
    inline bool get_turn_off_lights() const { return turn_off_lights; }
    inline bool get_taxi_light() const { return taxi_light; }
    inline bool get_logo_lights() const { return logo_lights; }
    inline bool get_nav_lights() const { return nav_lights; }
    inline bool get_beacon() const { return beacon; }
    inline bool get_strobe() const { return strobe; }
    inline double get_panel_norm() const { return panel_norm; }
    inline double get_instruments_norm() const { return instruments_norm; }
    inline double get_dome_norm() const { return dome_norm; }

    // controls/armament/
    inline bool get_master_arm() const { return master_arm; }
    inline int get_station_select() const { return station_select; }
    inline bool get_release_ALL() const { return release_ALL; }

    // controls/armament/station[n]/
    inline int get_stick_size(int station) const { return stick_size[station]; }
    inline bool get_release_stick(int station) const { return release_stick[station]; }
    inline bool get_release_all(int station) const { return release_all[station]; }
    inline bool get_jettison_all(int station) const { return jettison_all[station]; }

    // controls/seat/
    inline double get_vertical_adjust() const { return vertical_adjust; }
    inline double get_fore_aft_adjust() const { return fore_aft_adjust; }
    inline bool get_ejection_seat(int which_seat) const
    {
        return eject[which_seat];
    }
    inline int get_eseat_status(int which_seat) const
    {
        return eseat_status[which_seat];
    }
    inline int get_cmd_selector_valve() const { return cmd_selector_valve; }


    // controls/APU/
    inline int get_off_start_run() const { return off_start_run; }
    inline bool get_APU_fire_switch() const { return APU_fire_switch; }

    // controls/autoflight/
    inline bool get_autothrottle_arm() const { return autothrottle_arm; }
    inline bool get_autothrottle_engage() const { return autothrottle_engage; }
    inline double get_heading_select() const { return heading_select; }
    inline double get_altitude_select() const { return altitude_select; }
    inline double get_bank_angle_select() const { return bank_angle_select; }
    inline double get_vertical_speed_select() const
    {
        return vertical_speed_select;
    }
    inline double get_speed_select() const { return speed_select; }
    inline double get_mach_select() const { return mach_select; }
    inline int get_vertical_mode() const { return vertical_mode; }
    inline int get_lateral_mode() const { return lateral_mode; }

    // controls/autoflight/autopilot[n]/
    inline bool get_autopilot_engage(int ap) const
    {
        return autopilot_engage[ap];
    }

    // CAUTION: for all public setters, we need an *inner* setter which does the real setting,
    // and which is tied, and an outer one (the public facing API) which triggers `fireValueChanged`,
    // to ensure that listeners fire correctly.

    void set_elevator(double pos);
    void set_aileron_trim(double pos);
    void set_elevator_trim(double pos);
    void set_aileron(double pos);
    void set_rudder(double pos);
    void set_flaps(double pos);
    void move_flaps(double amt);

    void set_throttle(int engine, double pos);
    void set_cutoff(int engine, bool val);
    void set_augmentation(int engine, bool val);
    void set_reverser(int engine, bool val);
    void set_water_injection(int engine, bool val);
    void set_magnetos(int engine, int pos);
    void set_starter(int engine, bool flag);
    void set_mixture(int engine, double pos);
    void set_condition(int engine, double val);

private:
    // IMPORTANT: do *not* make these setters public, or you will violate
    // the listener-safety of them. If you need to make an accessor public,
    // make these as 'inner', and make a public wrapper which correctly calls
    // valueChanged (see, set_throttle, set_elevator etc for examples)

    // Update functions
    // controls/flight/
    void _inner_set_aileron(double pos);
    void move_aileron(double amt);
    void _inner_set_aileron_trim(double pos);
    void move_aileron_trim(double amt);
    void _inner_set_elevator(double pos);
    void move_elevator(double amt);
    void _inner_set_elevator_trim(double pos);
    void move_elevator_trim(double amt);
    void _inner_set_rudder(double pos);
    void move_rudder(double amt);
    void set_rudder_trim(double pos);
    void _inner_set_rudder_trim(double pos);
    void move_rudder_trim(double amt);
    void _inner_set_flaps(double pos);

    void set_slats(double pos);
    void move_slats(double amt);
    void set_BLC(bool val);
    void set_spoilers(double pos);
    void move_spoilers(double amt);
    void set_speedbrake(double pos);
    void move_speedbrake(double amt);
    void set_wing_sweep(double pos);
    void move_wing_sweep(double amt);
    void set_wing_fold(bool val);
    void set_drag_chute(bool val);

    // controls/engines/
    void set_throttle_idle(bool val);

    // controls/engines/engine[n]/
    void _inner_set_throttle(int engine, double pos);
    void move_throttle(int engine, double amt);
    void _inner_set_starter(int engine, bool flag);
    void set_fuel_pump(int engine, bool val);
    void set_fire_switch(int engine, bool val);
    void set_fire_bottle_discharge(int engine, bool val);
    void _inner_set_cutoff(int engine, bool val);
    void _inner_set_mixture(int engine, double pos);
    void move_mixture(int engine, double amt);
    void set_prop_advance(int engine, double pos);
    void move_prop_advance(int engine, double amt);
    void _inner_set_magnetos(int engine, int pos);
    void move_magnetos(int engine, int amt);
    void set_feed_tank(int engine, int tank);
    void set_nitrous_injection(int engine, bool val);
    void set_cowl_flaps_norm(int engine, double pos);
    void move_cowl_flaps_norm(int engine, double amt);
    void set_feather(int engine, bool val);
    void set_ignition(int engine, int val);
    void _inner_set_augmentation(int engine, bool val);
    void _inner_set_reverser(int engine, bool val);
    void _inner_set_water_injection(int engine, bool val);
    void _inner_set_condition(int engine, double pos);

    // controls/fuel
    void set_dump_valve(bool val);

    // controls/fuel/tank[n]/
    void set_fuel_selector(int tank, bool pos);
    void set_to_engine(int tank, int engine);
    void set_to_tank(int tank, int dest_tank);

    // controls/fuel/tank[n]/pump[p]
    void set_boost_pump(int index, bool val);

    // controls/gear/
    void set_brake_left(double pos);
    void move_brake_left(double amt);
    void set_brake_right(double pos);
    void move_brake_right(double amt);
    void set_copilot_brake_left(double pos);
    void set_copilot_brake_right(double pos);
    void set_brake_parking(double pos);
    void set_steering(double pos);
    void move_steering(double amt);
    void set_nose_wheel_steering(bool nws);
    void set_gear_down(bool gear);
    void set_antiskid(bool val);
    void set_tailhook(bool val);
    void set_launchbar(bool val);
    void set_catapult_launch_cmd(bool val);
    void set_tailwheel_lock(bool val);

    // controls/gear/wheel[n]/
    void set_alternate_extension(int wheel, bool val);

    // controls/anti-ice/
    void set_wing_heat(bool val);
    void set_pitot_heat(bool val);
    void set_wiper(int speed);
    void set_window_heat(bool val);

    // controls/anti-ice/engine[n]/
    void set_carb_heat(int engine, bool val);
    void set_inlet_heat(int engine, bool val);

    // controls/hydraulic/system[n]/
    void set_engine_pump(int system, bool val);
    void set_electric_pump(int system, bool val);

    // controls/electric/
    void set_battery_switch(bool val);
    void set_external_power(bool val);
    void set_APU_generator(bool val);

    // controls/electric/engine[n]/
    void set_generator_breaker(int engine, bool val);
    void set_bus_tie(int engine, bool val);

    // controls/pneumatic/
    void set_APU_bleed(bool val);

    // controls/pneumatic/engine[n]/
    void set_engine_bleed(int engine, bool val);

    // controls/pressurization/
    void set_mode(int mode);
    void set_outflow_valve(double pos);
    void move_outflow_valve(double amt);
    void set_dump(bool val);

    // controls/pressurization/pack[n]/
    void set_pack_on(int pack, bool val);

    // controls/lighting/
    void set_landing_lights(bool val);
    void set_turn_off_lights(bool val);
    void set_taxi_light(bool val);
    void set_logo_lights(bool val);
    void set_nav_lights(bool val);
    void set_beacon(bool val);
    void set_strobe(bool val);
    void set_panel_norm(double intensity);
    void move_panel_norm(double amt);
    void set_instruments_norm(double intensity);
    void move_instruments_norm(double amt);
    void set_dome_norm(double intensity);
    void move_dome_norm(double amt);

    // controls/armament/
    void set_master_arm(bool val);
    void set_station_select(int station);
    void set_release_ALL(bool val);

    // controls/armament/station[n]/
    void set_stick_size(int station, int size);
    void set_release_stick(int station, bool val);
    void set_release_all(int station, bool val);
    void set_jettison_all(int station, bool val);

    // controls/seat/
    void set_vertical_adjust(double pos);
    void move_vertical_adjust(double amt);
    void set_fore_aft_adjust(double pos);
    void move_fore_aft_adjust(double amt);
    void set_ejection_seat(int which_seat, bool val);
    void set_eseat_status(int which_seat, int val);
    void set_cmd_selector_valve(int val);

    // controls/APU/
    void set_off_start_run(int pos);
    void set_APU_fire_switch(bool val);

    // controls/autoflight/
    void set_autothrottle_arm(bool val);
    void set_autothrottle_engage(bool val);
    void set_heading_select(double heading);
    void move_heading_select(double amt);
    void set_altitude_select(double altitude);
    void move_altitude_select(double amt);
    void set_bank_angle_select(double angle);
    void move_bank_angle_select(double amt);
    void set_vertical_speed_select(double vs);
    void move_vertical_speed_select(double amt);
    void set_speed_select(double speed);
    void move_speed_select(double amt);
    void set_mach_select(double mach);
    void move_mach_select(double amt);
    void set_vertical_mode(int mode);
    void set_lateral_mode(int mode);

    // controls/autoflight/autopilot[n]/
    void set_autopilot_engage(int ap, bool val);

    void do_autocoordination();

    void fireEngineValueChanged(int index, simgear::PropertyList& props);
};
