#Color Func
#Button Inputs to toggle LEDs and Neopixel Rings + Debouncing
#NeoPixel Rings Added + Rainbow
#Copyright (c) 2022 Paul Martino

import board, digitalio, time, neopixel
from adafruit_debouncer import Debouncer
#from rainbowio import colorwheel

#  ----- Button Setup -----  #
button_a_input = digitalio.DigitalInOut(board.GP2)
button_a_input.direction = digitalio.Direction.INPUT
button_a_input.pull = digitalio.Pull.UP
button_a = Debouncer(button_a_input)

# ----- Color Setup ----- #
AMBER =    (255, 100, 0)
AQUA =     (50, 255, 255)
BLUE =     (0, 0, 255)
CYAN =     (0, 255, 255)
GOLD =     (255, 222, 30)
GREEN =    (0, 255, 0)
JADE =     (0, 255, 40)
MAGENTA =  (255, 0, 20)
OLD_LACE = (253, 245, 230)
ORANGE =   (255, 40, 0)
PINK =     (242, 90, 255)
PURPLE =   (180, 0, 255)
RED =      (255, 0, 0)
TEAL =     (0, 255, 120)
YELLOW =   (255, 150, 0)
WHITE =    (255, 255, 255)
BLACK =    (0, 0, 0) #OFF

# ----- LED/NeoPixel Setup ----- #
led = digitalio.DigitalInOut(board.LED)
led.direction = digitalio.Direction.OUTPUT

led_a = digitalio.DigitalInOut(board.GP3)
led_a.direction = digitalio.Direction.OUTPUT

pixels_microwave = neopixel.NeoPixel(board.GP21, 16, brightness=0.99, auto_write=False)
#pixels_microwave.fill(BLACK)

#  ----- Functions -----  #

def func_colorwheel(pos):
    # Input a value 0 to 255 to get a color value.
    # The colours are a transition r - g - b - back to r.
    if pos < 0 or pos > 255:
        return (0, 0, 0, 0)
    if pos < 85:
        return (255 - pos * 3, pos * 3, 0, 0)
    if pos < 170:
        pos -= 85
        return (0, 255 - pos * 3, pos * 3, 0)
    pos -= 170
    return (pos * 3, 0, 255 - pos * 3, 0)

def rainbow_cycle(rainbow_target, rainbow_speed):
    for q in range(255):
        for p in range(len(rainbow_target)):
            rc_index = (p * 256 // len(rainbow_target)) + q
            rainbow_target[p] = func_colorwheel(rc_index & 255)
        rainbow_target.show()
        time.sleep(rainbow_speed)

cw_index = 0
pixels_microwave.fill(BLACK)
pixels_microwave.show()

# ----- Program Loop ----- #

while True:
  button_a.update()

  if button_a.fell:   #if button_a pressed
    print("Button A Pressed - Oven Heat")
    led_a.value = True
    led.value = True
    #pixels_microwave.fill(RED)
    rainbow_cycle(pixels_microwave, .01) #(target, cycle speed; increase the number to slow down the rainbow)
    #pixels_microwave.show()
#         cw_index = (cw_index + 1) % 256  # run from 0 to 255
#         pixels_microwave.fill(colorwheel(cw_index))
  if button_a.rose:   #if button_a rose
      print("Button A Rose")
      led_a.value = False
      led.value = False
      print("Done")
      pixels_microwave.fill(BLACK)
      pixels_microwave.show()