import re
import os.path
import html
# twisted imports
from twisted.words.protocols import irc
from twisted.internet import reactor, protocol
from twisted.python import log

# system imports
import time, sys


class MessageLogger:
	"""
	An independent logger class (because separation of application
	and protocol logic is a good thing).
	"""
	def __init__(self, file):
		self.file = file

	def log(self, message):
		"""Write a message to the file."""
		timestamp = time.strftime("[%H:%M:%S]", time.localtime(time.time()))
		self.file.write('%s %s\n' % (timestamp, message))
		self.file.flush()

	def close(self):
		self.file.close()

class LogBot(irc.IRCClient):
	"""A logging IRC bot."""

	nickname = "dank nick"
	password = "your oath"

	count = 0
	prevTime = 0

	def connectionMade(self):
		irc.IRCClient.connectionMade(self)
		self.logger = MessageLogger(open(self.factory.filename, "a"))
		self.logger.log("[connected at %s]" %
		                time.asctime(time.localtime(time.time())))

	def connectionLost(self, reason):
		irc.IRCClient.connectionLost(self, reason)
		self.logger.log("[disconnected at %s]" %
		                time.asctime(time.localtime(time.time())))
		self.logger.close()


	# callbacks for events

	def signedOn(self):
		"""Called when bot has succesfully signed on to server."""
		self.join(self.factory.channel)

	def joined(self, channel):
		"""This will get called when the bot joins the channel."""
		self.logger.log("[I have joined %s]" % channel)

	def privmsg(self, user, channel, msg):
		"""This will get called when the bot receives a message."""
		user = user.split('!', 1)[0]
		self.logger.log("<%s> %s" % (user, msg))

		if msg[0] == '!':
			print("command executed")

	def action(self, user, channel, msg):
		"""This will get called when the bot sees someone do an action."""
		user = user.split('!', 1)[0]
		self.logger.log("* %s %s" % (user, msg))

	# irc callbacks

	def irc_NICK(self, prefix, params):
		"""Called when an IRC user changes their nickname."""
		old_nick = prefix.split('!')[0]
		new_nick = params[0]
		self.logger.log("%s is now known as %s" % (old_nick, new_nick))


	# For fun, override the method that determines how a nickname is changed on
	# collisions. The default method appends an underscore.
	def alterCollidedNick(self, nickname):
		"""
		Generate an altered version of a nickname that caused a collision in an
		effort to create an unused related name for subsequent registration.
		"""
		return nickname + '^'



class LogBotFactory(protocol.ClientFactory):
	"""A factory for LogBots.

	A new protocol instance will be created each time we connect to the server.
	"""

	def __init__(self, channel, filename):
		self.channel = channel
		self.filename = filename

	def buildProtocol(self, addr):
		p = LogBot()
		p.factory = self
		return p

	def clientConnectionLost(self, connector, reason):
		"""If we get disconnected, reconnect to server."""
		connector.connect()

	def clientConnectionFailed(self, connector, reason):
		print "connection failed:", reason
		reactor.stop()

if __name__ == '__main__':
	# initialize logging
	log.startLogging(sys.stdout)

	# create factory protocol and application
	f = LogBotFactory(sys.argv[1], sys.argv[2])

	# connect factory to this host and port
	reactor.connectTCP("irc.twitch.tv", 6667, f)

	# run bot
	reactor.run()