#!/usr/bin/ruby
#
# pidgin_status.rb
# a d-bus script to set your pidgin status and optional status message
#
# Copyright (c) 2008, 2010 joshua stein <jcs@jcs.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

require "dbus"

# magic!
STATUS_AVAILABLE = 2
STATUS_AWAY = 5

status = case ARGV[0].to_s
when "away"
  STATUS_AWAY
when "available"
  STATUS_AVAILABLE
else
  STDERR.puts "usage: #{$0} <available|away> <optional message>"
  exit -1
end

message = ARGV[1]

sb = DBus::SessionBus.instance
if !sb.proxy.ListNames.first.include?("im.pidgin.purple.PurpleService")
  STDERR.puts "pidgin not running, exiting"
  exit -1
end

pd = sb.service("im.pidgin.purple.PurpleService")
pidgin = pd.object("/im/pidgin/purple/PurpleObject")
pidgin.default_iface = "im.pidgin.purple.PurpleInterface"

pidgin.introspect

if (ss = pidgin.PurpleSavedstatusGetCurrent()).is_a? Array
  if pidgin.PurpleSavedstatusGetType(ss.first).first == status &&
  pidgin.PurpleSavedstatusGetMessage(ss.first).first.to_s == message.to_s
    # already away or available with this message, don't change
    exit
  end

  ps = pidgin.PurpleSavedstatusNew("", status).first
  pidgin.PurpleSavedstatusSetMessage(ps, message.to_s)
  pidgin.PurpleSavedstatusActivate(ps)
end