#!/usr/bin/env python
from __future__ import division
import threading
import random
import usbdmx
import time
import sys
import datetime

dmxkill=[0]*512

def default():
	print "Used default configuration"
	interfaces = usbdmx.scan()
	if not interfaces:
		print "No interfaces found."
		sys.exit()
	global dmx
	dmx = interfaces[0]
	dmx.open()
	dmx.mode(6)

def fade(channel, fromvalue, tovalue, duration): ### THIS IS loopwrapper()
	global dmxkill
	dmxkill[channel]=1
	value=fademeta(channel, fromvalue, tovalue, duration)
	return channel, value

def fademeta(channel, fromvalue, tovalue, duration): ### THIS IS loop()
	print dmxkill[channel]
	global dmxkill
	dmxkill[channel]=0
	value = fromvalue
	if fromvalue > tovalue:
		difference = fromvalue-tovalue
	else:
		difference = tovalue-fromvalue

	frametime=duration/difference
	dmx.set_dmx(channel, fromvalue)
	#print(value)
	time.sleep(frametime)
	while value <> tovalue:
		#print dmxkill[channel]
		if dmxkill[channel]==1:
			print "Dead."
		if fromvalue > tovalue:
			value-=1
			dmx.set_dmx(channel, value)
			#print(value)
			time.sleep(frametime)
		else:
			value+=1
			dmx.set_dmx(channel, value)
			#print(value)
			time.sleep(frametime)
	return value

def fadet(channel, fromvalue, tovalue, duration): ### THIS IS loopwrapperwrapper()
	t = threading.Thread(target=fade, args=(channel, fromvalue, tovalue, duration))
	t.start()
	return channel, tovalue

def flicker(channel, low, high, speed, duration):
	frame=duration*speed
	randomlast=random.randint(int(low),int(high))
	for i in range(frame):
		if i==frame:
			dmx.set_dmx(channel, randomlast)
			return channel, randomlast
		else:
			randomnow=random.randint(int(low),int(high))
			dmx.set_dmx(channel, randomnow)
			time.sleep(duration/speed/duration)

def flickert_dont_use(channel, low, high, speed, duration, randomlast):
	frame=duration*speed
	for i in range(frame):
		if i==frame-1:
			dmx.set_dmx(channel, randomlast)
		else:
			randomnow=random.randint(int(low),int(high))
			dmx.set_dmx(channel, randomnow)
			time.sleep(duration/speed/duration)


def flickert(channel, low, high, speed, duration):
	randomlast=random.randint(int(low),int(high))
	t = threading.Thread(target=flickert_dont_use, args=(channel, low, high, speed, duration, randomlast))
	t.start()
	return channel, randomlast
def setval(channel, value):
	dmx.set_dmx(channel, value)
	return channel, value
def setvalt(channel, value):
	t = threading.Thread(target=setval, args=(channel, value))
	t.start()