#!/usr/bin/env python
# -*- coding: utf-8 -*-
''' 
amarok2_np_dbus.py "NowPlaying" plugin for XChat
by Jason "zcat" Farrell (farrellj@gmail.com), 2008
Distributed under the terms of the GNU General Public License, v2 or later
''' 
__module_name__ = "amarok2_np_dbus"
__module_version__ = "0.3.2"
__module_description__ = "Displays the current song now playing in amarok2 via dbus (RIP DCOP)"

import xchat
import dbus
import os.path
import urllib

def amarok_is_ready():
    ''' determine if dbus is ok, amarok is running, and set a dirty dbus proxy global '''
    global amarokPlayer 
    try:
        sessbus = dbus.SessionBus()
        #if "org.kde.amarok" in sessbus.list_names()
        amarokPlayer = sessbus.get_object('org.kde.amarok', '/Player') # connect proxy to the Player object
        return True
    except:
        return False

def seconds_to_hms(s):
    ''' e.g.: convert 65 seconds to "01:05" '''
    rstr = ""
    hours = s / (60*60)
    s = s % (60*60)
    minutes = s / 60
    seconds = s % 60
    if hours > 0:
        rstr += "%0d:%02d:%02d" % (hours, minutes, seconds)
    else:
        rstr += "%0d:%02d" % (minutes, seconds)
    return rstr

def usage():
    print '''/np [OPTION]...  : default is to show channel your currently playing song
  me             : print song only to your console, instead of to channel
  noalbum        : suppress Album metadata
  noextra        : suppress "(X:XX/X:XX) (rating: X/X)" extra info
  help           : this help'''

def now_playing(word, word_eol, userdata):
    shout = True;
    showalbum = True;
    showextra = True;

    if 'help' in word:
        usage()
        return xchat.EAT_ALL
    if 'me' in word:
        shout = False
    if 'noalbum' in word:
        showalbum = False
    if 'noextra' in word:
        showextra = False

    if amarok_is_ready():
        #print "amarok2 is playing"
        meta = amarokPlayer.GetMetadata()   # call GetMetadata method of amarok's dbus Player object
        if len(meta) == 0:
            print "Amarok2 is running, but no song is playing (no metadata available)"
        else:
            # ♪♬♫ Artist - Title - Album  (1:27/3:42) (rating: 6/10)
            npstr = ""
            if not (meta['artist'] and meta['title']):   # show a pretty filename if no meta
                npstr += "%s" % (str(urllib.unquote(os.path.basename(str(meta['location'])))))
            else:
                if meta['artist'] and not meta['title']:
                    npstr += "%s" % (str(meta['artist']))
                elif meta['title'] and not meta['artist']:
                    npstr += "%s" % (str(meta['title']))
                else:
                    npstr += "%s - %s" % (str(meta['artist']), str(meta['title']))
            if meta['album'] and showalbum:
                npstr += " - %s" % (str(meta['album']))
            if showextra: npstr += " (%s/%s)" % (seconds_to_hms(amarokPlayer.PositionGet()/1000), seconds_to_hms(meta['time']))
            if showextra: npstr += " (rating: %d/5)" % meta['rating']

            if shout:
                xchat.command("me ♪♫ %s" % npstr)
            else:
                print "♪♫ %s" % npstr
    else:
        print "Amarok2 does not appear to be running."
    return xchat.EAT_ALL

xchat.hook_command('np', now_playing)
xchat.prnt('♪♫ ' + __module_name__ + ' version ' + __module_version__ + ' loaded. Use /np to display the song you\'re playing; /np help for HELP')