###

# Copyright (c) 2006, Ilya Kuznetsov

# Copyright (c) 2008, Kevin Funk

# All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions are met:

#

#   * Redistributions of source code must retain the above copyright notice,

#     this list of conditions, and the following disclaimer.

#   * 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.

#   * Neither the name of the author of this software nor the name of

#     contributors to this software may be used to endorse or promote products

#     derived from this software without specific prior written consent.

#

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.

###

import supybot.utils as utils

from supybot.commands import *

import supybot.conf as conf

import supybot.plugins as plugins

import supybot.ircutils as ircutils

import supybot.callbacks as callbacks

import supybot.world as world

import urllib2

from xml.dom import minidom

from time import time

from LastFMDB import *

class LastFM(callbacks.Plugin):

    BASEURL = "http://ws.audioscrobbler.com/1.0/user"

    APIKEY = "b25b959554ed76058ac220b7b2e0a026" # FIXME: Get own key

    APIURL = "http://ws.audioscrobbler.com/2.0/?api_key=%s&" % APIKEY

    def __init__(self, irc):

        self.__parent = super(LastFM, self)

        self.__parent.__init__(irc)

        self.db = LastFMDB(dbfilename)

        world.flushers.append(self.db.flush)

    def die(self):

        if self.db.flush in world.flushers:

            world.flushers.remove(self.db.flush)

        self.db.close()

        self.__parent.die()

    def lastfm(self, irc, msg, args, method, optionalId):

        """<method> [<id>]

        Lists LastFM info where <method> is in

        [friends, neighbours, profile, recenttracks, tags, topalbums,

        topartists, toptracks].

        Set your LastFM ID with the set method (default is your current nick)

        or specify <id> to switch for one call.

        """

        id = (optionalId or self.db.getId(msg.nick) or msg.nick)

        channel = msg.args[0]

        maxResults = self.registryValue("maxResults", channel)

        method = method.lower()

        try:

            f = urllib2.urlopen("%s/%s/%s.txt" % (self.BASEURL, id, method))

        except urllib2.HTTPError:

            irc.error("Unknown ID (%s) or unknown method (%s)"

                    % (msg.nick, method))

            return

        lines = f.read().split("\n")

        content = map(lambda s: s.split(",")[-1], lines)

        irc.reply("%s's %s: %s (with a total number of %i entries)"

                % (id, method, ", ".join(content[0:maxResults]),

                    len(content)))

    lastfm = wrap(lastfm, ["something", optional("something")])

    def np(self, irc, msg, args, optionalId):

        """[<id>]

        Announces the now playing track of the specified LastFM ID.

        Set your LastFM ID with the set method (default is your current nick)

        or specify <id> to switch for one call.

        """

        id = (optionalId or self.db.getId(msg.nick) or msg.nick)

        try:

            f = urllib2.urlopen("%s&method=user.getrecenttracks&user=%s"

                    % (self.APIURL, id))

        except urllib2.HTTPError:

            irc.error("Unknown ID (%s)" % id)

            return

        xml = minidom.parse(f).getElementsByTagName("recenttracks")[0]

        user = xml.getAttribute("user")

        t = xml.getElementsByTagName("track")[0] # most recent track

        isNowplaying = (t.getAttribute("nowplaying") == "true")

        artist = t.getElementsByTagName("artist")[0].firstChild.data

        track = t.getElementsByTagName("name")[0].firstChild.data

        try:

            album = "["+t.getElementsByTagName("album")[0].firstChild.data+"]"

        except:

            album = ""

        if isNowplaying:

            irc.reply(('%s is listening to "%s" by %s %s'

                    % (user, track, artist, album)).encode("utf8"))

        else:

            time = int(t.getElementsByTagName("date")[0].getAttribute("uts"))

            irc.reply(('%s listened to "%s" by %s %s more than %s'

                    % (user, track, artist, album,

                        self._formatTimeago(time))).encode("utf-8"))

    np = wrap(np, [optional("something")])

    def set(self, irc, msg, args, newId):

        """<id>

        Sets the LastFM ID for the caller and saves it in a database.

        """

        self.db.set(msg.nick, newId)

        irc.reply("LastFM ID changed.")

        self.profile(irc, msg, args)

    set = wrap(set, ["something"])

    def profile(self, irc, msg, args, optionalId):

        """[<id>]

        Prints the profile info for the specified LastFM ID.

        Set your LastFM ID with the set method (default is your current nick)

        or specify <id> to switch for one call.

        """

        id = (optionalId or self.db.getId(msg.nick) or msg.nick)

        try:

            f = urllib2.urlopen("%s/%s/profile.xml" % (self.BASEURL, id))

        except urllib2.HTTPError:

            irc.error("Unknown user (%s)" % id)

            return

        xml = minidom.parse(f).getElementsByTagName("profile")[0]

        keys = "realname registered age gender country playcount".split()

        profile = tuple([self._parse(xml, node) for node in keys])

        irc.reply(("%s (realname: %s) registered on %s; age: %s / %s; \

Country: %s; Tracks played: %s" % ((id,) + profile)).encode("utf8"))

    profile = wrap(profile, [optional("something")])

    def _parse(self, data, node, exceptMsg="not specified"):

            try:

                return data.getElementsByTagName(node)[0].firstChild.data

            except IndexError:

                return exceptMsg

    def _formatTimeago(self, unixtime):

        t = int(time()-unixtime)

        if t/86400 > 0:

            return "%i days ago" % (t/86400)

        if t/3600 > 0:

            return "%i hours ago" % (t/3600)

        if t/60 > 0:

            return "%i minutes ago" % (t/60)

        if t > 0:

            return "%i seconds ago" % (t)

dbfilename = conf.supybot.directories.data.dirize("LastFM.db")

Class = LastFM

# vim:set shiftwidth=4 tabstop=4 expandtab textwidth=79: