import _thread
from typing import Callable
from machine import Pin
import time

class ButtonHandler:
    def __init__(self, pin : int, action : Callable[[], None]):
        self.button = Pin(pin, Pin.IN, Pin.PULL_UP)
        self.action = action
        self._pressed = False
        _thread.start_new_thread(self._listen, ())

    def _listen(self):
        while True:
            if not self.button.value():
                if not self._pressed:
                    self._pressed = True
                    self.action()
            else:
                self._pressed = False
            time.sleep(0.1)


if __name__ == "__main__":
    def on_press():
        print("Button action triggered")

    btn = ButtonHandler(14, on_press)

    while True:
        time.sleep(1)


"""# Track button state
button_pressed = False

while True:
    if not button.value():  # Button pressed (active low)
        if not button_pressed:
            button_pressed = True
            print("Button pressed! Action triggered.")  # Replace with your action
    else:
        button_pressed = False  # Reset when button released

    time.sleep(0.01)  # Small debounce delay"""