# SPDX-FileCopyrightText: 2021 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: MIT
"""
NeoSlider NeoPixel Rainbow Demo
"""
import board
from rainbowio import colorwheel
from adafruit_seesaw.seesaw import Seesaw
from adafruit_seesaw.analoginput import AnalogInput
from adafruit_seesaw import neopixel

# NeoSlider Setup
neoslider = Seesaw(board.I2C(), 0x31)
potentiometer = AnalogInput(neoslider, 18)
pixels = neopixel.NeoPixel(neoslider, 14, 4)


def potentiometer_to_color(value):
    """Scale the potentiometer values (0-1023) to the colorwheel values (0-255)."""
    return value / 1023 * 255


while True:
    # Fill the pixels a color based on the position of the potentiometer.
    pixels.fill(colorwheel(potentiometer_to_color(potentiometer.value)))