#pragma once
#include <Arduino.h>

class ParallelTask {
private:
    unsigned long previousMillis;
    unsigned long interval;
    void (*callback)(); // Pointer to the function you want to run

public:
    // Constructor: Takes the interval in milliseconds and the function to run
    ParallelTask(unsigned long interval_ms, void (*func)()) {
        interval = interval_ms;
        callback = func;
        previousMillis = 0;
    }

    // Call this in your main loop()
    void update() {
        unsigned long currentMillis = millis();

        // Handle millis() rollover (happens ~every 50 days) and check interval
        if (currentMillis - previousMillis >= interval) {
            previousMillis = currentMillis;
            if (callback) {
                callback();
            }
        }
    }

    // Optional: Update the interval dynamically while running
    void setInterval(unsigned long new_interval) {
        interval = new_interval;
    }
};