# Twisted/Klein imports
from twisted.logger import Logger
from twisted.words.protocols import irc
from twisted.internet import protocol, reactor, ssl

# Project imports
from settings import settings


class IRCBot(irc.IRCClient):
    def __init__(self, log):
        self.log = log
        self.nickname = settings.IRC.Nick
        self.password = settings.IRC.Pass
        self.realname = self.nickname
        self.username = self.nickname

        self.userinfo = None
        self.fingerReply = None
        self.versionName = None
        self.sourceURL = None

        self.prefix = "!"
        self.admins = (settings.IRC.Admins).split("\n")
        self.highlight = (settings.IRC.Highlight).split("\n")

    def parse(self, user, host, channel, msg):
        spl = msg.split()
        # nick = user.split("!")[0]

        cmd = spl[0]

        # help command
        # if cmd == "help":
        #    self.msg(channel, "Hey it's me")

        # setprefix command
        if cmd == "setprefix" and host in self.admins:
            if len(spl) == 2:
                if len(spl[1]) == 1:
                    self.prefix = spl[1]
                    self.msg(channel, "Prefix set to '%s'." % self.prefix)
            else:
                self.msg(channel, "Incorrect usage")

        # addmod command
        elif cmd == "addmod" and host in self.admins:
            if len(spl) == 2:
                if not spl[1] in self.admins:
                    self.admins.append(spl[1])
                    self.msg(channel, "%s added to admins." % spl[1])
                else:
                    self.msg(channel, "%s is already an admin!" % spl[1])
            else:
                self.msg(channel, "Incorrect usage")

        # delmod command
        elif cmd == "delmod" and host in self.admins:
            if len(spl) == 2:
                if spl[1] in self.admins:
                    self.admins.remove(spl[1])
                    self.msg(channel, "%s removed from admins." % spl[1])
                else:
                    self.msg(channel, "%s is not an admin!" % spl[1])
            else:
                self.msg(channel, "Incorrect usage")

        # join command
        elif cmd == "join" and host in self.admins:
            if len(spl) == 2:
                self.join(spl[1])
            else:
                self.msg(channel, "Incorrect usage")

        # part command
        elif cmd == "part" and host in self.admins:
            if len(spl) == 2:
                self.part(spl[1])
            else:
                self.part(channel)
        elif cmd == "raw" and host in self.admins:
            self.sendLine(" ".join(spl[1:]))

    def stopcall(self, call):
        call.stop()

    def signedOn(self):
        self.log.info("Signed on as %s" % (self.nickname))
        self.join(settings.IRC.Channel)

    def joined(self, channel):
        self.log.info("Joined channel %s" % (channel))

    def privmsg(self, user, channel, msg):
        nick = user.split("!")[0]

        if channel == self.nickname:
            channel = nick

        host = user.split("!")[1]
        host = host.split("@")[1]

        ident = user.split("!")[1]
        ident = ident.split("@")[0]
        self.log.info("(%s) %s: %s" % (channel, user, msg))
        if msg[0] == self.prefix:
            if len(msg) > 1:
                if msg.split()[0] != "!":
                    self.parse(user, host, channel, msg[1:])

    def noticed(self, user, channel, message):
        nick = user.split("!")[0]
        if channel == self.nickname:
            channel = nick
        # self.log.info("[%s] %s: %s" % (channel, user, message))


class IRCBotFactory(protocol.ClientFactory):
    def __init__(self):
        self.log = Logger("irc")

    def buildProtocol(self, addr):
        prcol = IRCBot(self.log)
        self.client = prcol
        return prcol

    def clientConnectionLost(self, connector, reason):
        self.log.error("Lost connection (%s), reconnecting" % (reason))
        connector.connect()

    def clientConnectionFailed(self, connector, reason):
        self.log.error("Could not connect: %s" % (reason))


def bot():
    context = ssl.DefaultOpenSSLContextFactory(settings.IRC.Cert, settings.IRC.Cert)
    factory = IRCBotFactory()
    reactor.connectSSL(settings.IRC.Host, int(settings.IRC.Port), factory, context)
    return factory