#-- vim:sw=2:et
#++
#
# :title: IRC Gateway Plugin for rbot
#
# Author:: Matthias Hecker <apoc@sixserv.org>
#
# Copyright:: (C) 2009 Matthias Hecker
#
# License:: GPL v2
#
# Version:: v01
#
# The IRC-Gateway Plugin uses the RBot Remote Interface
# to connect 2 Bots and forward the Messages from one Channel
# to another. You must change the default Port(7268)
# of one of them:
#  config set remote.port 7269
# after that setup the ircgw settings...
#  config search ircgw
#

require 'drb'

class IrcGw < Plugin
    include RemotePlugin

    Config.register Config::StringValue.new('ircgw.host',
        :default => 'localhost',
        :desc => 'rBot-Remote Hostname')
    Config.register Config::IntegerValue.new('ircgw.port',
        :default => 7268,
        :desc => 'rBot-Remote Port')
    Config.register Config::StringValue.new('ircgw.authpw',
        :default => '',
        :desc => 'rBot-Remote Auth Password')
    Config.register Config::StringValue.new('ircgw.local_channel',
        :default => '',
        :desc => 'The Source Channel')
    Config.register Config::StringValue.new('ircgw.remote_channel',
        :default => '',
        :desc => 'The Destination Channel')
    Config.register Config::StringValue.new('ircgw.network',
        :default => '',
        :desc => 'Display this Network as Source')

    def forward_msg(forward_msg)
        remote_host = @bot.config['ircgw.host']
        remote_port = @bot.config['ircgw.port']
        remote_auth = @bot.config['ircgw.authpw']
        local_channel = @bot.config['ircgw.local_channel']
        remote_channel = @bot.config['ircgw.remote_channel']
        remote_network = @bot.config['ircgw.network']

# maybe in a thread
# the problem is that the order of the messages sometimes go wrong
#        Thread.new do
            rbot = DRbObject.new_with_uri("druby://#{remote_host}:#{remote_port}")
            id = rbot.delegate(nil, "remote login owner #{remote_auth}")[:return]
            rbot.delegate(id, "dispatch action #{remote_channel} #{forward_msg}")
#        end
    end

    def message(m)
        local_channel = @bot.config['ircgw.local_channel']
        remote_channel = @bot.config['ircgw.remote_channel']
        remote_network = @bot.config['ircgw.network']

        return if m.address?
        return if remote_channel.empty?
        return if not m.channel.to_s == local_channel.to_s

        if remote_network.empty? then
            src = "#{m.sourcenick}"
        else
            src = "#{m.sourcenick}@#{remote_network}"
        end
        if m.action? then
            src = "* #{src}"
        else
            src = "(#{src})"
        end

        forward_msg("#{src} #{m.message}")
        
    end

    def nick(m)
        local_channel = @bot.config['ircgw.local_channel']
        remote_channel = @bot.config['ircgw.remote_channel']

        return if remote_channel.empty?

        forward_msg("#{m.oldnick} is now known as #{m.newnick}")
    end

    def join(m)
        local_channel = @bot.config['ircgw.local_channel']
        remote_channel = @bot.config['ircgw.remote_channel']

        return if remote_channel.empty?
        return if not m.channel == local_channel

        forward_msg("#{m.sourcenick} has joined #{m.channel}")
    end

    def part(m)
        local_channel = @bot.config['ircgw.local_channel']
        remote_channel = @bot.config['ircgw.remote_channel']

        return if remote_channel.empty?
        return if not m.channel == local_channel

        forward_msg("#{m.sourcenick} has left #{m.channel}")
    end

    def quit(m)
        local_channel = @bot.config['ircgw.local_channel']
        remote_channel = @bot.config['ircgw.remote_channel']

        return if remote_channel.empty?
        return if not m.channel.to_s == local_channel

        forward_msg("#{m.sourcenick} has quit (#{m.message})")
    end

    def kick(m)
        local_channel = @bot.config['ircgw.local_channel']
        remote_channel = @bot.config['ircgw.remote_channel']

        return if remote_channel.empty?
        return if not m.channel.to_s == local_channel

        forward_msg("#{m.sourcenick} has kicked #{m.target} from #{m.channel} (#{m.message})")
    end

    def topic(m)
        local_channel = @bot.config['ircgw.local_channel']
        remote_channel = @bot.config['ircgw.remote_channel']

        return if remote_channel.empty?
        return if not m.channel.to_s == local_channel

        forward_msg("#{m.sourcenick} has changed the topic to: #{m.topic}")
    end

    def rwho(m, params)
        local_channel = @bot.config['ircgw.local_channel']
        remote_channel = @bot.config['ircgw.remote_channel']
        remote_network = @bot.config['ircgw.network']

        return if remote_channel.empty?

        if remote_network.empty? then
            src = "#{local_channel}"
        else
            src = "#{local_channel}@#{remote_network}"
        end

        channels = 'foobar'
        @bot.server.channels.each_index do |i| 
            if @bot.server.channels[i].name.to_s == local_channel then
                channels = @bot.server.channels[i].users.join ' ' 
                break
            end
        end

        forward_msg("in #{src}: #{channels}")
    end

    def who(m, params)
        remote_host = @bot.config['ircgw.host']
        remote_port = @bot.config['ircgw.port']
        remote_auth = @bot.config['ircgw.authpw']
        rbot = DRbObject.new_with_uri("druby://#{remote_host}:#{remote_port}")
        id = rbot.delegate(nil, "remote login owner #{remote_auth}")[:return]
        rbot.delegate(id, "ircgw rwho")
    end
end
plugin = IrcGw.new
plugin.map 'ircgw who', :action => 'who'
plugin.remote_map 'ircgw rwho', :action => 'rwho'