# SPDX-FileCopyrightText: 2021 Kattni Rembor for Adafruit Industries
# SPDX-License-Identifier: Unlicense
"""CircuitPython I2C Device Address Scan"""
import board
import adafruit_ssd1306
import neopixel
import rotaryio
import busio
import digitalio
import time

# Setup the i2c bus
i2c = busio.I2C(board.A3, board.A2)

# Get the oled
oled = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c)

# Setup the NeoPixel
neopixel = neopixel.NeoPixel(board.NEOPIXEL, 1)

# Setup the encoder
enc = rotaryio.IncrementalEncoder(board.D5, board.D4)

# Setup the encoder button
enc_btn = digitalio.DigitalInOut(board.D3)
enc_btn.direction = digitalio.Direction.INPUT


# Start the main loop
last_position = None
colour = [0,0,0]
menu_item = 0
sub_menu = False
while True:
    if menu_item == 0:
        menu = "[R] G B"
    if menu_item == 1:
        menu = "R [G] B"
    if menu_item == 2:
        menu = "R G [B]"
    oled.fill(0)
    oled.text(menu, 0, 0, 1)
    current_value = neopixel[0]
    oled.text(f"{current_value[0]}:{current_value[1]}:{current_value[2]}", 0, 10, 1)
    position = enc.position
    if last_position == None or position != last_position:
        print(position)
    last_position = position
    if not enc_btn.value:
        sub_menu = not sub_menu
        enc.position = 0
    if not sub_menu:
        menu_item = position % 3
    else:
        colour[menu_item] = position
    if enc.position < 0:
        position = 0
        enc.position = 0
    if enc.position > 255:
        position = 255
        enc.position = 255
    
    neopixel.fill((colour[0],colour[1],colour[2]))
    # oled.text(f'Position: {position}', 0, 0, 1)
    oled.show()