import slixmpp
import logging
from systemd.journal import JournalHandler

from hintTables import annecdotetable, topictable
from commands import commandtable


# Logging
log = logging.getLogger(__name__)
log.addHandler(JournalHandler())
log.setLevel(logging.INFO)


class MUCBot(slixmpp.ClientXMPP):

    def __init__(self, jid, password, rooms, nick):
        slixmpp.ClientXMPP.__init__(self, jid + "/Isengard", password)

        self.rooms = rooms
        self.nick = nick

        # Per channel owners
        self.owners = {}

        self.datastore = None

        # The session_start event will be triggered when
        # the bot establishes its connection with the server
        # and the XML streams are ready for use. We want to
        # listen for this event so that we we can initialize
        # our roster.
        self.add_event_handler("session_start", self.start)

        # The groupchat_message event is triggered whenever a message
        # stanza is received from any chat room. If you also also
        # register a handler for the 'message' event, MUC messages
        # will be processed by both handlers.
        self.add_event_handler("groupchat_message", self.muc_message)

        # The groupchat_presence event is triggered whenever a
        # presence stanza is received from any chat room, including
        # any presences you send yourself. To limit event handling
        # to a single room, use the events muc::room@server::presence,
        # muc::room@server::got_online, or muc::room@server::got_offline.
        self.add_event_handler("muc::%s::got_online" % self.room,
                               self.muc_online)


    async def start(self, event):
        """
        Requestthe roster and broadcast initial presence stanza.
        """

        await self.get_roster()
        self.send_presence()
        self.plugin['xep_0045'].join_muc(self.rooms[0],
                                         self.nick,
                                         # password=the_room_password,
                                         )

    def push(self, destmuc, msg):
        self.send_message(  mto=destmuc, 
                            mbody=msg, 
                            mtype='groupchat')
        print("To: %s\nBody: %s" % (destmuc, msg))


    def muc_message(self, msg):
        """
        Whenever the bot's nickname is mentioned, respond to
        the message from any muc
        """
        
        if msg['mucnick'] == self.nick:
            return

    # Commands

        cmdhints = list(commandtable.keys())
        random.shuffle(cmdhints)

        for opcod in cmdhints:
            if msg['body'][0] == "!" and opcod in msg['body']:
                self.send_message(mto=msg['from'].bare,
                                  mbody="%s, %s" % (msg['mucnick'], 
                                                    commandtable[opcod](self.owners[msg['from'].bare], 
                                                                        msg['mucnick'], 
                                                                        msg['body'], 
                                                                        self.datastore)),
                                  mtype='groupchat')
                return

    # When people speak to each other without necessarily highlighting Isengard

        anechints = list(annecdotetable.keys())
        random.shuffle(anechints)
        
        for hint in anechints:
            if hint in msg['body']:
                self.send_message(mto=msg['from'].bare,
                                  mbody="%s" % (annecdotetable[hint][
                                                        random.randrange(0,len(annecdotetable[hint]))
                                                                    ]),
                                  mtype='groupchat')
                return
        
        if self.nick not in msg['body']:
            return
        
    # When people talk to Isengard
        
        topichints = list(topictable.keys())
        random.shuffle(topichints)
    
        for hint in topichints:
            if hint in msg['body']:
                self.send_message(mto=msg['from'].bare,
                                  mbody="%s, %s" % (msg['mucnick'], 
                                                    topictable[hint][
                                                        random.randrange(0,len(topictable[hint]))
                                                                    ]),
                                  mtype='groupchat')
                return
 
    # And fallback

        self.send_message(mto=msg['from'].bare,
            mbody="%s, je n'ai pas compris (je suis un peu bot)" % msg['mucnick'],
            mtype='groupchat')

    def muc_online(self, presence):
        """
        Send a welcome message that includes
        the user's nickname
        """
        
        if presence['muc']['nick'] in self.datastore.maintainerData:
            self.send_message(mto=presence['from'].bare,
                              mbody="Salut %s, vos services ont produit des " + 
                              "alertes en votre absence !\nUtilisez la commande"+
                              " `hist` pour consulter l'historique"
                              % (presence['muc']['nick']),
                              mtype='groupchat')
            
        if presence['muc']['affiliation'] == "owner":
            if not presence['from'].bare in self.owners:
                self.owners[presence['from'].bare] = []

            self.owners[presence['from'].bare].append(presence['muc']['nick'])