#!/usr/bin/env python
# cgpytunes.py
# by: Andrew Burton (tuglyraisin@aol.com)
#####

# Libraries
import BaseHTTPServer
import re
import win32com.client

# iTunes controled by GET URI class
class GetTunes:
    iTunes = win32com.client.gencache.EnsureDispatch("iTunes.Application")
    uriPath = ''

    def __init__ (self, path):
        self.uriPath = path.strip().split('/')
        
    def ParseCmd (self):
        if (self.uriPath[1] == "First"):
            return self.PlayFirst()      
        elif (self.uriPath[1] == "Pause"):
            return self.Pause()
        elif (self.uriPath[1] == "Play"):
            return self.Play()
        elif (self.uriPath[1] == "Next"):
            return self.Next()
        elif (self.uriPath[1] == "Prev"):
            return self.Previous()
        elif (self.uriPath[1] == "Stop"):
            return self.StopPlay()
        elif (self.uriPath[1] == "Volume"):
            return self.AdjustVolume()
        else:
            return self.BuildReply('Ready')

    def PlayFirst (self):
        self.iTunes.LibrarySource.Playlists.ItemByName('Library').PlayFirstTrack()
        return self.BuildReply('First')

    def Pause (self):
        self.iTunes.PreviousTrack()
        return self.BuildReply('Pause')

    def Play (self):
        self.iTunes.Play()
        return self.BuildReply('Playing')

    def Next (self):
        self.iTunes.NextTrack()
        return self.BuildReply('Next')

    def Previous (self):
        self.iTunes.PreviousTrack()
        return self.BuildReply('Previous')
    
    def StopPlay (self):
        self.iTunes.Stop()
        return self.BuildReply('Stopped')

    def AdjustVolume (self):
        volume = self.iTunes.SoundVolume
        if (len(self.uriPath) > 2):
            if (self.uriPath[2] == 'Up'):
                self.iTunes.SoundVolume = volume + 10
                return self.BuildReply('Volume Up')
            elif (self.uriPath[2] == 'Down'):
                if (volume > 0):
                    self.iTunes.SoundVolume = volume - 10
                return self.BuildReply('Volume Down')
        else:
            return self.BuildReply('Volume')

    def BuildReply (self, status):
        current = self.iTunes.CurrentTrack
        returnreply = u'<current>\n\t<status now="' + status + u'" />\n'
        returnreply = returnreply + u'\t<volume level="' + str(self.iTunes.SoundVolume) + u'"/>\n'        
        if (current):
            returnreply = returnreply + u"\t<song>\n\t\t<name>" + current.Name + u"</name>\n"
            returnreply = returnreply + u"\t\t<artist>" + current.Artist + u"</artist>\n"
            returnreply = returnreply + u"\t\t<album>" + current.Album + u"</album>\n\t</song>\n"
        returnreply = returnreply + u"</current>"
        return returnreply.encode('ascii', 'replace')


# Basic handler thing
class Serv (BaseHTTPServer.BaseHTTPRequestHandler):
    def do_GET (self):
        self.send_response (200)
        self.send_header (u'Content-type', 'text/xml')
        self.end_headers()
        g = GetTunes(self.path)
        self.wfile.write(u'<?xml version="1.0" encoding="UTF-8"?>\n')
        self.wfile.write(g.ParseCmd())
        

# Global Variables
domain = 'roxy'
port = 17005

server = BaseHTTPServer.HTTPServer((domain, port), Serv)
server.serve_forever()