#allows users to enter a raffle, owners to randomly select a winner, and saves winners to a text file for future reference
import random, time

raffle_set=set()
raffle_list=[]

def joinRaffle(bot, nick, msg):
	if nick in raffle_set:
		bot.say(nick+", you are already entered in the raffle")
		return
	raffle_list.append(nick)
	raffle_set.add(nick)
	bot.say(nick+", you have entered the raffle!")
joinRaffle.commands=["^!joinRaffle$"]
	
def pickWinner(bot, nick, msg):
	if len(raffle_list)>0:
		number=random.randrange(0, len(raffle_list))
		winner = raffle_list[number]
		raffle_list.remove(winner)
		raffle_set.remove(winner)
		with open('winners.txt', 'w') as file:
			file.write(winner+" "+time.strftime("%a, %d %b %Y %H:%M:%S")+"\n")
			file.close()
		bot.say("Congrats, "+winner+", you won a prize from the raffle! (IF your twitch account is registered with our website, vespa.org.vt.edu)")
	else:
		bot.say("The raffle is empty!")
pickWinner.privilege="owners"
pickWinner.commands=["^!pickWinner$"]

def quitRaffle(bot, nick, msg):
	if nick in raffle_set:
		raffle_set.remove(nick)
		raffle_list.remove(nick)
		bot.say(nick+", you have left the raffle.")
		return
	bot.say(nick+", you are not entered into the raffle.")
quitRaffle.commands=["^!quitRaffle$"]

def removeFromRaffle(bot, nick, msg):
	args=msg.split(None, 1)
	if args[1] in raffle_set:
		raffle_set.remove(args[1])
		raffle_list.remove(args[1])
		bot.say(nick+", you have been kicked from the raffle.")
		return
	bot.say(args[1]+" was not in the raffle")
removeFromRaffle.privilege="owners"
removeFromRaffle.commands=["^!raffleKick [^\s].+"]
removeFromRaffle.usage=("raffleKick", "!raffleKick nick - drops nick from raffle")

def clearRaffle(bot, nick, msg):
	raffle_set.clear()
	del raffle_list[:]
clearRaffle.privilege="owners"