import machine as mc
import utime

#Define global variables
# Define the GPIO pins connected to the RGB LED
RED_PIN = mc.Pin(15, mc.Pin.OUT)
GREEN_PIN = mc.Pin(14, mc.Pin.OUT)
BLUE_PIN = mc.Pin(13, mc.Pin.OUT)
#Define GPIO in button
push_bt = mc.Pin(16, mc.Pin.IN, mc.Pin.PULL_UP)

#base values
button_pressed = False

#check whether button pressed
def wait_pin_change(pin):
    # wait for pin to change value
    # it needs to be stable for a continuous 20ms
    cur_value = pin.value()
    active = 0
    while active < 5:
        if pin.value() != cur_value:
            active += 1
        else:
            active = 0
        sleep_ms(1)

# Interrupt Service Routine for Button Pressed Events - with no debounce
def button_pressed(change):
    global button_pressed
    button_pressed = True

# here is how we associate the falling value on the input pin with the callback function
push_bt.irq(handler=button_pressed, trigger=mc.Pin.IRQ_FALLING)

# Function to set the color of the RGB LED
def set_color(red, green, blue):
    RED_PIN.value(red)
    GREEN_PIN.value(green)
    BLUE_PIN.value(blue)

# Main loop to cycle through colors
while True:
    if (button_pressed == True):
        print("button_pressed")
        wait_pin_change(push_bt)
        button_pressed = False
        if (led.value() == 1):
            set_color(255, 0, 0)  # Red
            utime.sleep(1)
            set_color(0, 255, 0)  # Green
            utime.sleep(1)
            set_color(0, 0, 255)  # Blue
            utime.sleep(1)
            print("Done changing")
        else:
            set_color(0, 0, 0)
            print("Im off")
            sleep(1)
    print("working")
    sleep(0.2)