from machine import Pin, PWM
import time
import random

led_pins = [13, 12, 14, 27, 26, 25, 33, 32, 15, 2, 0, 4, 16, 17, 5]
leds = [Pin(pin, Pin.OUT) for pin in led_pins]

button_pin = 22
button = Pin(button_pin, Pin.IN, Pin.PULL_UP)

pattern = 0
patterns_count = 7
last_change_time = 0

DEBOUNCE_DELAY = 300

def change_pattern(pin):
    global pattern, last_change_time
    current_time = time.ticks_ms()

    if time.ticks_diff(current_time, last_change_time) > DEBOUNCE_DELAY:
        pattern = (pattern + 1) % patterns_count
        print(f"Pattern changed to: {pattern}")
        turn_off_leds()
        last_change_time = current_time

button.irq(trigger=Pin.IRQ_FALLING, handler=change_pattern)

def turn_off_leds():
    for led in leds:
        led.value(0)

def blink_leds():
    for led in leds:
        led.value(1)
    time.sleep(1.5)
    for led in leds:
        led.value(0)
    time.sleep(1.5)

def chase_leds():
    for led in leds:
        led.value(1)
        time.sleep(0.1)
        led.value(0)

def alternating_blink():
    for i in range(len(leds)):
        leds[i].value(i % 2)
    time.sleep(0.35)
    for i in range(len(leds)):
        leds[i].value((i + 1) % 2)
    time.sleep(0.35)

def all_on_off():
    for led in leds:
        led.value(1)
    time.sleep(0.25)
    for led in leds:
        led.value(0)
    time.sleep(0.25)

def random_blink():
    led = random.choice(leds)
    led.value(1)
    time.sleep(0.3)
    led.value(0)

def ripple_effect():
    center = len(leds) // 2
    for _ in range(3):
        for i in range(center + 1):
            if center - i >= 0:
                leds[center - i].value(1)
            if center + i < len(leds):
                leds[center + i].value(1)
            time.sleep(0.1)
        for i in range(center + 1):
            if center - i >= 0:
                leds[center - i].value(0)
            if center + i < len(leds):
                leds[center + i].value(0)
            time.sleep(0.1)

def run_pattern():
    if pattern == 0:
        turn_off_leds()
    elif pattern == 1:
        blink_leds()
    elif pattern == 2:
        chase_leds()
    elif pattern == 3:
        alternating_blink()
    elif pattern == 4:
        all_on_off()
    elif pattern == 5:
        random_blink()
    elif pattern == 6:
        ripple_effect()

try:
    while True:
        run_pattern()
        time.sleep(0.05)
except KeyboardInterrupt:
    turn_off_leds()
    print("Program stopped")