# -*- coding: utf-8 -*-

# Copyright © 2005, Simon E. Ward
#
# This file is part of SvnBot.
#
# SvnBot is free software; you can redistribute it and/or modify it
# under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# SvnBot is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with SvnBot; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 

import sys
from twisted.application import service, internet
from twisted.words.protocols import irc
from twisted.internet import protocol
from twisted.python import log
from twisted.web import server, xmlrpc


class SvnBotXmlrpc(xmlrpc.XMLRPC):

    def __init__(self, bot, channel, tracurl=None):
        self.bot = bot
        self.channel = channel
        self.tracurl = tracurl
        xmlrpc.XMLRPC.__init__(self)

    def xmlrpc_say(self, msg):
        self.bot.say(self.channel, msg)
        return 0

    def xmlrpc_showCommitSummary(self, rev, author):
        self.bot.say(self.channel,
                "Revision %s committed by %s: %s" % (
                    rev, author, self.tracurl+'changeset/'+rev))
        return 0


class SvnBot(irc.IRCClient):
    """A bot that retrieves subversion repository metadata."""
    xmlrpcService = None
    pingerService = None

    def __init__(self):
        self.nickname = "svnbot"
        self.realname = "Subversion Bot"

    #def sendLine(self, line):
    #    irc.IRCClient.sendLine(self, line)

    #def join(self, channel, key=None):
    #    irc.IRCClient.join(self, channel, key)

    #def mode(self, chan, set, modes, limit = None, user = None, mask = None):
    #    irc.IRCClient.mode(self, chan, set, modes, limit, user, mask)

    #def say(self, channel, message, length = None):
    #    irc.IRCClient.say(self, channel, message, length)

    #def ping(self, user, text=None):
    #    irc.IRCClient.ping(self, user, text)

    #def pong(self, user, secs):
    #    irc.IRCClient.pong(self, user, secs)

    def connectionMade(self):
        irc.IRCClient.connectionMade(self)
        x = SvnBotXmlrpc(self, self.factory.channel,
                tracurl=self.factory.tracurl)
        if self.xmlrpcService is None:
            self.xmlrpcService = internet.TCPServer(7080, server.Site(x),
                    interface='localhost')
            self.xmlrpcService.setServiceParent(serviceCollection)
        else:
            self.xmlrpcService.startService()
        #if self.pingerService is None:
        #    self.pingerService = internet.TimerService(120,
        #            self.ping, self.nickname, text=None)
        #    self.pingerService.setServiceParent(serviceCollection)
        #else:
        #    self.pingerService.startService()

    def connectionLost(self, reason):
        irc.IRCClient.connectionLost(self, reason)
        self.xmlrpcService.stopService()
        #self.pingerService.stopService()

    def signedOn(self):
        """Called when bot has succesfully signed on to server."""
        irc.IRCClient.signedOn(self)
        self.mode(self.nickname, 1, 'B')
        self.join(self.factory.channel)

    #def lineReceived(self, line):
    #    irc.IRCClient.dataReceived(self, line)

    #def joined(self, channel):
    #    irc.IRCClient.joined(self, channel)

    #def left(self, channel):
    #    irc.IRCClient.left(self, channel)

    #def irc_PING(self, prefix, params):
    #    irc.IRCClient.irc_PING(self, prefix, params)

    #def irc_unknown(self, prefix, command, params):
    #    irc.IRCClient.irc_unknown(self, prefix, command, params)


class SvnBotFactory(protocol.ReconnectingClientFactory):
    """A factory for SvnBots.

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

    # The class of the protocol to build when new connection is made
    protocol = SvnBot

    def __init__(self, channel, tracurl=None):
        self.channel = channel
        self.tracurl = tracurl

    #def clientConnectionFailed(self, connector, reason):
    #    """Called when a connection has failed to connect."""
    #    protocol.ReconnectingClientFactory.clientConnectionFailed(
    #            self, connector, reason)

    #def clientConnectionLost(self, connector, unused_reason):
    #    protocol.ReconnectingClientFactory.clientConnectionLost(
    #            self, connector, unused_reason)

    #def resetDelay(self):
    #    """Call me after a successful connection to reset."""
    #    protocol.ReconnectingClientFactory.resetDelay(self)

    #def retry(self, connector=None):
    #    """Have this connector connect again, after a suitable delay."""
    #    protocol.ReconnectingClientFactory.retry(self, connector)

    #def stopTrying(self):
    #    """I put a stop to any attempt to reconnect in progress."""
    #    protocol.ReconnectingClientFactory.stopTrying(self)

    #def startedConnecting(self, connector):
    #    """Called when a connection has been started."""
    #    protocol.ReconnectingClientFactory.startedConnecting(self, connector)

    def buildProtocol(self, addr):
        """Create an instance of a subclass of Protocol."""
        self.resetDelay()
        return protocol.ReconnectingClientFactory.buildProtocol(self, addr)

    #def doStart(self):
    #    """Make sure startFactory is called."""
    #    protocol.ReconnectingClientFactory.doStart(self)

    #def doStop(self):
    #    """Make sure stopFactory is called."""
    #    protocol.ReconnectingClientFactory.doStop(self)

    #def startFactory(self):
    #    """This will be called before I begin listening on a Port or
    #    Connector."""
    #    protocol.ReconnectingClientFactory.startFactory(self)

    #def stopFactory(self):
    #    """This will be called before I stop listening on all
    #    Ports/Connectors."""
    #    protocol.ReconnectingClientFactory.stopFactory(self)


application = service.Application('svnbot')
serviceCollection = service.IServiceCollection(application)
svnBot = SvnBotFactory(channel='#test')
tcpClient = internet.TCPClient('irc.example.com', 6667, svnBot)
tcpClient.setServiceParent(serviceCollection)