# SPDX-FileCopyrightText: 2022 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import time

import board

from adafruit_neotrellis.multitrellis import MultiTrellis
from adafruit_neotrellis.neotrellis import NeoTrellis

# Create the I2C object for the NeoTrellis
i2c_bus = board.I2C()  # uses board.SCL and board.SDA
# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller

# Create the NeoTrellis object
"""
# This is for a 2x1 array (2 boards connected left to right):

trelli = [
    [NeoTrellis(i2c_bus, False, addr=0x2E), NeoTrellis(i2c_bus, False, addr=0x2F)],
    ]

"""
# This is for a 2x2 array of NeoTrellis boards:
trelli = [
    [NeoTrellis(i2c_bus, False, addr=0x2E), NeoTrellis(i2c_bus, False, addr=0x2F)],
    [NeoTrellis(i2c_bus, False, addr=0x30), NeoTrellis(i2c_bus, False, addr=0x31)],
]

trellis = MultiTrellis(trelli)

# Set the brightness value (0 to 1.0)
trellis.brightness = 0.5

# some color definitions
OFF = (0, 0, 0)
RED = (255, 0, 0)
YELLOW = (255, 150, 0)
GREEN = (0, 255, 0)
CYAN = (0, 255, 255)
BLUE = (0, 0, 255)
PURPLE = (180, 0, 255)


# This will be called when button events are received
def blink(xcoord, ycoord, edge):
    # Turn the LED on when a rising edge is detected
    if edge == NeoTrellis.EDGE_RISING:
        trellis.color(xcoord, ycoord, BLUE)
    # Turn the LED off when a falling edge is detected
    elif edge == NeoTrellis.EDGE_FALLING:
        trellis.color(xcoord, ycoord, OFF)


for y in range(8):
    for x in range(8):
        # Activate rising edge events on all keys
        trellis.activate_key(x, y, NeoTrellis.EDGE_RISING)
        # Activate falling edge events on all keys
        trellis.activate_key(x, y, NeoTrellis.EDGE_FALLING)
        trellis.set_callback(x, y, blink)
        trellis.color(x, y, PURPLE)
        time.sleep(0.05)

for y in range(8):
    for x in range(8):
        trellis.color(x, y, OFF)
        time.sleep(0.05)

while True:
    # The NeoTrellis can only be read every 17 milliseconds or so
    trellis.sync()
    time.sleep(0.02)