from neopixel import Neopixel
from time import sleep

## Setup
NUM_LEDS = 16
LED_PIN = 6
pixels = Neopixel(NUM_LEDS, 0, LED_PIN, "GRB")

## Color Parameters
# Hue
hue_offset = 4096
# Brightness
min_brightness = 120
max_brightness = 255
breathing_speed = 10
brightness = max_brightness
brightness_up = False

## Loop
while True:
  for hue in range(0, 65535, 1000):

    # Breathe the brightness
    if brightness_up:
      brightness += breathing_speed
      if brightness >= max_brightness:
        brightness_up = False
    else:
      brightness -= breathing_speed
      if brightness <= min_brightness:
        brightness_up = True
    
    # Set the hues
    for led in range(NUM_LEDS):
      color = pixels.colorHSV(hue + (led * hue_offset), 128, brightness)
      pixels.set_pixel(led, color)

    pixels.show()
    sleep(0.05)


## Code for flashing the LEDs
# num_on_loops = 8
# num_off_loops = 1
# loop_count = 0

    # # Flash the brightness
    # if brightness is 255 and loop_count is num_on_loops:
    #   brightness = 0
    #   loop_count = 0
    # elif brightness is 0 and loop_count is num_off_loops:
    #   brightness = 255
    #   loop_count = 0
    # else:
    #   loop_count += 1