import random
import sys
import time

import RPIO as GPIO

outputs = [23, 24, 25, 8, 7]

def main():
	# Use the BCM addressing scheme
	GPIO.setmode(GPIO.BCM)

	# Setup all five outputs
	for gpio in outputs:
		GPIO.setup(gpio, GPIO.OUT)
		GPIO.output(gpio, False)

	while True:
		cylon()
	randomize()

	turn_on_top_down()
	turn_off_top_down()
	turn_on_bottom_up()
	turn_off_bottom_up()


def turn_on_top_down():
	for gpio in outputs:
		GPIO.output(gpio, True)
		time.sleep(.25)

def turn_on_bottom_up():
	for gpio in reversed(outputs):
		GPIO.output(gpio, True)
		time.sleep(.25)

def turn_off_top_down():
	for gpio in outputs:
		GPIO.output(gpio, False)
		time.sleep(.25)

def turn_off_bottom_up():
	for gpio in reversed(outputs):
		GPIO.output(gpio, False)
		time.sleep(.25)

def cylon():
	for gpio in outputs[:-1]:
		GPIO.output(gpio, True)
		time.sleep(.08)
		GPIO.output(gpio, False)

	for gpio in outputs[::-1][:-1]:
		GPIO.output(gpio, True)
		time.sleep(.08)
		GPIO.output(gpio, False)

def randomize():
	rand_val = random.randint(0, 31)
	# LED1 - GPIO23
	if rand_val & 0b00001:
		GPIO.output(23, True)
	else:
		GPIO.output(23, False)
	# LED2 - GPIO24
	if rand_val & 0b00010:
		GPIO.output(24, True)
	else:
		GPIO.output(24, False)
	# LED3 - GPIO25
	if rand_val & 0b00100:
		GPIO.output(25, True)
	else:
		GPIO.output(25, False)
	# LED4 - GPIO8
	if rand_val & 0b01000:
		GPIO.output(8, True)
	else:
		GPIO.output(8, False)
	# LED5 - GPIO7
	if rand_val & 0b10000:
		GPIO.output(7, True)
	else:
		GPIO.output(7, False)
	time.sleep(0.1)


if __name__ == '__main__':
	sys.exit(main())