#!/usr/bin/python
# -*- coding: utf-8 -*-

"""
SAT plugin for managing Radiocol 
Copyright (C) 2009, 2010, 2011  Jérôme Poisson (goffi@goffi.org)

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""

from logging import debug, info, warning, error
from twisted.words.xish import domish
from twisted.internet import protocol, defer, threads, reactor
from twisted.words.protocols.jabber import client, jid, xmlstream
from twisted.words.protocols.jabber import error as jab_error
from twisted.words.protocols.jabber.xmlstream import IQ
import random

from zope.interface import implements

from wokkel import disco, iwokkel, data_form
from sat.tools.xml_tools import dataForm2xml
from sat.tools.games import TarotCard

from time import time

try:
    from twisted.words.protocols.xmlstream import XMPPHandler
except ImportError:
    from wokkel.subprotocols import XMPPHandler

MESSAGE = '/message'
NC_RADIOCOL = 'http://www.goffi.org/protocol/radiocol'
RADIOC_TAG = 'radiocol'
RADIOC_REQUEST = MESSAGE + '/' + RADIOC_TAG + '[@xmlns="' + NC_RADIOCOL + '"]'

PLUGIN_INFO = {
"name": "Radio collective plugin",
"import_name": "Radiocol",
"type": "Exp",
"protocols": [],
"dependencies": ["XEP-0045", "XEP-0249"],
"main": "Radiocol",
"handler": "yes",
"description": _("""Implementation of radio collective""")
}


class Radiocol():

    def __init__(self, host):
        info(_("Radio collective initialization"))
        self.host = host
        self.radios={}
        host.bridge.addMethod("radiocolLaunch", ".plugin", in_sign='ass', out_sign='', method=self.radiocolLaunch) #args: occupants, profile
        host.bridge.addMethod("radiocolCreate", ".plugin", in_sign='ss', out_sign='', method=self.radiocolCreate) #args: room_jid, profile
        host.bridge.addSignal("radiocolStarted", ".plugin", signature='sss') #args: room_jid, referee, profile
        host.trigger.add("MUC user joined", self.userJoinedTrigger)

    def createRadiocolElt(self, to_jid, type="normal"):
        type = "normal" if to_jid.resource else "groupchat"
        elt = domish.Element(('jabber:client','message'))
        elt["to"] = to_jid.full()
        elt["type"] = type
        elt.addElement((NC_RADIOCOL, RADIOC_TAG))
        return elt

    def __create_started_elt(self):
        """Create a game_started domish element"""
        started_elt = domish.Element(('','started'))
        return started_elt

    def userJoinedTrigger(self, room, user, profile):
        """This trigger is used to check if we are waiting people in this room,
        and to create a game if everybody is here"""
        room_jid = room.occupantJID.userhostJID()
        if self.radios.has_key(room_jid):
            #we are in a radiocol room, let's start the party !
            mess = self.createRadiocolElt(jid.JID(room_jid.userhost()+'/'+occupant))
            mess.firstChildElement().addChild(self.__create_started_elt())
            self.host.profiles[profile].xmlstream.send(mess)
        return True

    def radiocolLaunch(self, occupants, profile_key='@DEFAULT@'):
        """Launch a game: helper method to create a room, invite occupants, and create the radiocol
        @param occupants: list for occupants jid"""
        debug(_('Launching radiocol'))
        profile = self.host.memory.getProfileName(profile_key)
        if not profile:
            error(_("Unknown profile"))
            return

        def radiocolRoomJoined(room):
            print "radiocolRoomJoined"
            _room_jid = room.occupantJID.userhostJID()
            for occupant in occupants:
                self.host.plugins["XEP-0249"].invite(jid.JID(occupant), room.occupantJID.userhostJID(), {"game":"Radiocol"}, profile)
            self.radiocolCreate(_room_jid.userhost(), profile_key=profile)
        
        def after_init(ignore):
            room_name = "sat_radiocol_%s" % self.host.plugins["XEP-0045"].getUniqueName(profile_key)
            print "\n\n===> room_name:", room_name
            muc_service = None
            for service in self.host.memory.getServerServiceEntities("conference", "text", profile):
                if not ".irc." in service.userhost():
                    #FIXME: 
                    #This awfull ugly hack is here to avoid an issue with openfire: the irc gateway
                    #use "conference/text" identity (instead of "conference/irc"), there is certainly a better way
                    #to manage this, but this hack fill do it for test purpose
                    muc_service = service
                    break
            if not muc_service:
                error(_("Can't find a MUC service"))
                return
            
            _jid, xmlstream = self.host.getJidNStream(profile)
            d = self.host.plugins["XEP-0045"].join(jid.JID("%s@%s" % (room_name, muc_service.userhost())), _jid.user, {}, profile)
            d.addCallback(radiocolRoomJoined)

        client = self.host.getClient(profile)
        if not client:
            error(_('No client for this profile key: %s') % profile_key)
            return
        client.client_initialized.addCallback(after_init)

    def radiocolCreate(self, room_jid_param, profile_key='@DEFAULT@'):
        """Create a new game
        @param room_jid_param: jid of the room
        @param profile_key: %(doc_profile_key)s"""
        debug (_("Creating Radiocol"))
        room_jid = jid.JID(room_jid_param)
        profile = self.host.memory.getProfileName(profile_key)
        if not profile:
            error (_("profile %s is unknown") % profile_key)
            return
        if self.radios.has_key(room_jid):
            warning (_("Radiocol already started in room %s") % room_jid.userhost())
        else:
            room_nick = self.host.plugins["XEP-0045"].getRoomNick(room_jid.userhost(), profile)
            if not room_nick:
                error ('Internal error')
                return
            referee = room_jid.userhost() + '/' + room_nick
            status = {}
            occupants_data = {}
            self.radios[room_jid.userhost()] = {'referee':referee, 'occupants_data':occupants_data}
            mess = self.createRadiocolElt(jid.JID(room_jid.userhost()))
            mess.firstChildElement().addChild(self.__create_started_elt())
            self.host.profiles[profile].xmlstream.send(mess)

    def radiocol_game_cmd(self, mess_elt, profile):
        from_jid = jid.JID(mess_elt['from']) 
        room_jid = jid.JID(from_jid.userhost())
        radio_elt = mess_elt.firstChildElement()
        radio_data = self.radios[room_jid.userhost()]
        occupants_data = radio_data['occupants_data']
        
        for elt in radio_elt.elements():
            
            if elt.name == 'started': #new game created
                self.host.bridge.radiocolStarted(room_jid.userhost(), from_jid.full(), profile)
            else:
                error (_('Unmanaged game element: %s') % elt.name)
                
    def getHandler(self, profile):
            return RadiocolHandler(self)

class RadiocolHandler (XMPPHandler):
    implements(iwokkel.IDisco)
   
    def __init__(self, plugin_parent):
        self.plugin_parent = plugin_parent
        self.host = plugin_parent.host

    def connectionInitialized(self):
        self.xmlstream.addObserver(RADIOC_REQUEST, self.plugin_parent.radiocol_game_cmd, profile = self.parent.profile)

    def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
        return [disco.DiscoFeature(NC_RADIOCOL)]

    def getDiscoItems(self, requestor, target, nodeIdentifier=''):
        return []