import machine
import neopixel
import time

# NeoPixel setup
NUM_LEDS = 8
np = neopixel.NeoPixel(machine.Pin(17), NUM_LEDS) # 28

# Button on GP22 (active LOW)
button = machine.Pin(22, machine.Pin.IN, machine.Pin.PULL_UP)

# Color list (R, G, B)
colors = [
    (255, 0, 0),    # Red
    (0, 255, 0),    # Green
    (0, 0, 255),    # Blue
    (255, 255, 0),  # Yellow
    (255, 0, 255),  # Magenta
    (0, 255, 255),  # Cyan
    (255, 255, 255) # White
]

current_color = 0
last_state = 1  # button not pressed

def show_color(color):
    for i in range(NUM_LEDS):
        np[i] = color
    np.write()

# Initial color
show_color(colors[current_color])

while True:
    state = button.value()

    # Detect button press (HIGH → LOW)
    if last_state == 1 and state == 0:
        current_color = (current_color + 1) % len(colors)
        show_color(colors[current_color])
        time.sleep_ms(200)  # Debounce delay

    last_state = state
    time.sleep_ms(10)