#!/usr/bin/env python

import sys
import time

import blinkt

blinkt.set_clear_on_exit()


def usage():
    print("Usage: {} <word or phrase>".format(sys.argv[0]))
    print(sys.argv[1])
    sys.exit(1)


if len(sys.argv) != 4:
    usage()

# Exit if non integer value. int() will raise a ValueError
try:
    r, g, b = [int(x) for x in sys.argv[1:]]
except ValueError:
    usage()

# Exit if any of r, g, b are greater than 255
if max(r, g, b) > 255:
    usage()


def show_all(state):
    for i in range(blinkt.NUM_PIXELS):
        val = state * 255
        blinkt.set_pixel(i, val, val, val)
    blinkt.show()


def dot():
    show_all(1)
    time.sleep(0.05)
    show_all(0)
    time.sleep(0.2)


def dash():
    show_all(1)
    time.sleep(0.2)
    show_all(0)
    time.sleep(0.2)


def space():
    time.sleep(0.2)


print("Setting Blinkt to {r},{g},{b}".format(r=r, g=g, b=b))

blinkt.set_clear_on_exit(False)

blinkt.set_all(r, g, b)

blinkt.show()