button.hpp

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//
// Created by eternalRose on 11/17/25.
//
 
#pragma once
 
#ifdef SAFETY_CHECKS_ENABLED
#include <set>
#endif
#include <memory>
#include "hal/Digital.hpp"
 
namespace libstp::button {

    class Button final {
    public:
        static Button& instance();
 
        // Set up the digital sensor using a port number (creates the sensor internally).
        void setDigital(int port);
        // Share an already-created sensor instance (e.g. the one from robot
        // defs). The dynamic type is preserved, so a ButtonGroup keeps its
        // OR-over-ports behaviour — no copy, no reconstruction.
        void setDigital(std::shared_ptr<hal::digital::DigitalSensor> sensor);

        bool isPressed() const;

        void waitForButtonPress() const;
 
        Button(const Button&) = delete;
        Button& operator=(const Button&) = delete;
        Button(Button&&) = delete;
        Button& operator=(Button&&) = delete;
 
    private:
        Button() = default;
        ~Button();
 
        std::shared_ptr<hal::digital::DigitalSensor> digital_sensor_;
    };
} // namespace libstp::button