#!/usr/bin/env python3

import sk6812_multistrip as sk6812
import math
import sys
import time
import random

s = sk6812.SK6812(sys.argv[1], 2703)
s.set_fadestep(1)
s.commit()
time.sleep(3)

s.set_fadestep(1)

nled = 16
nstrip = 8

interval = 1/20

for led in range(nled):
    for strip in range(nstrip):
        s.fade_color(strip, led, 0, 0, 0, 0)

s.commit()

loop = 0
while loop < nled:
    led = loop

    for strip in range(nstrip):
        intensity = 48 + random.randint(0, 32)

        g = 0
        r = intensity * loop // nled
        b = 1*(intensity - intensity * loop // nled) / 2
        w = 0

        s.set_color(strip, led, r, g, b, w)
        s.fade_color(strip, led, 0, 0, 0, 0)

    s.commit()

    time.sleep(interval)

    loop += 1