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

"""
Libervia: a Salut à Toi frontend
Copyright (C) 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 Affero 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 Affero General Public License for more details.

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

import pyjd # this is dummy in pyjs
from pyjamas.ui.SimplePanel import SimplePanel
from pyjamas.ui.RootPanel import RootPanel
from pyjamas.ui.AutoComplete import AutoCompleteTextBox
from pyjamas import Window
from pyjamas.JSONService import JSONProxy
from pyjamas.ui.KeyboardListener import KEY_ENTER
from browser_side.register import RegisterPanel, RegisterBox
from browser_side.contact import ContactPanel
from browser_side.panels import MainPanel, EmptyPanel, MicroblogPanel, ChatPanel, StatusPanel
from browser_side.jid import JID


class LiberviaJsonProxy(JSONProxy):
    def __init__(self, *args, **kwargs):
        JSONProxy.__init__(self, *args, **kwargs)
        self.handler=self
        self.cb={}

    def call(self, method, cb, *args):
        if cb:
            self.cb[method] = cb
        self.callMethod(method,args)

    def onRemoteResponse(self, response, request_info):
        if self.cb.has_key(request_info.method):
            self.cb[request_info.method](response)
            del self.cb[request_info.method]
        
    def onRemoteError(self, code, errobj, request_info):
        if code != 0:
            Window.alert("Internal server error")
        else:
            if isinstance(errobj['message'],dict):
                Window.alert("Error %s: %s" % (errobj['message']['faultCode'], errobj['message']['faultString']))
            else:
                Window.alert("Error: %s" % errobj['message'])

class RegisterCall(LiberviaJsonProxy):
    def __init__(self):
        LiberviaJsonProxy.__init__(self, "/register_api",
                        ["isRegistered","isConnected","connect"])
        self.handler=self
        self.cb={}

class BridgeCall(LiberviaJsonProxy):
    def __init__(self):
        LiberviaJsonProxy.__init__(self, "/json_api",
                        ["getContacts", "sendMessage", "sendMblog", "getMblogNodes", "getProfileJid", "getHistory", "getPresenceStatus"])

class BridgeSignals(LiberviaJsonProxy):
    def __init__(self):
        LiberviaJsonProxy.__init__(self, "/json_signal_api",
                        ["getSignals"])


class UniBox(AutoCompleteTextBox):

    def __init__(self, host):
        AutoCompleteTextBox.__init__(self)
        self.host = host

    def addKey(self, key):
        self.getCompletionItems().completions.append(key)

    def onKeyPress(self, sender, keycode, modifiers):
        if keycode == KEY_ENTER and not self.visible:
            _txt = self.getText()
            if _txt:
                if _txt.startswith('@'):
                    self.host.bridge.call('sendMblog', None, self.getText())
                elif self.host.selected == None:
                    print "changement de status pour", _txt
                    self.host.bridge.call('setStatus', None, _txt)
                elif isinstance(self.host.selected, ChatPanel):
                    _chat = self.host.selected
                    self.host.bridge.call('sendMessage', None, str(_chat.target), _txt, '', 'chat')
            self.setText('')

    def complete(self):
        #self.visible=False #XXX: self.visible is not unset in pyjamas when ENTER is pressed and a completion is done
        #XXX: fixed directly on pyjamas, if the patch is accepted, no need to walk around this
        return AutoCompleteTextBox.complete(self)


class SatWebFrontend:
    def onModuleLoad(self):
        self.whoami = None
        self.bridge = BridgeCall()
        self.bridge_signals = BridgeSignals()
        self.selected = None
        self.uniBox = UniBox(self)
        self.uniBox.addKey("@@: ")
        self.statusPanel = StatusPanel(self)
        self.contactPanel = ContactPanel(self)
        self.panel = MainPanel(self)
        self.middle_panel = self.panel.middle_panel
        self.mpanels = [EmptyPanel(self), MicroblogPanel(self, accept_all=True), EmptyPanel(self)]
        self.middle_panel.changePanel(0,self.mpanels[0])
        self.middle_panel.changePanel(1,self.mpanels[1])
        self.middle_panel.changePanel(2,self.mpanels[2])
        self._dialog = None
        RootPanel().add(self.panel)
        self._register = RegisterCall()
        self._register.call('isRegistered',self._isRegisteredCB)

    def select(self, widget):
        """Define the selected widget"""
        if self.selected:
            self.selected.removeStyleName('selected_widget')
        self.selected = widget
        if widget:
            self.selected.addStyleName('selected_widget')

    def _isRegisteredCB(self, registered):
        if not registered:
            self._dialog = RegisterBox(self.logged,centered=True)
            self._dialog.show()
        else:
            self._register.call('isConnected', self._isConnectedCB)

    def _isConnectedCB(self, connected):
        if not connected:
            self._register.call('connect',self.logged)
        else:
            self.logged()

    def logged(self):
        if self._dialog:
            self._dialog.hide()
            del self._dialog # don't work if self._dialog is None
        
        #it's time to fill the page
        self.bridge.call('getContacts', self._getContactsCB)
        self.bridge_signals.call('getSignals', self._getSignalsCB)
        #We want to know our own jid
        self.bridge.call('getProfileJid', self._getProfileJidCB)

    def _getContactsCB(self, contacts_data):
        for contact in contacts_data:
            jid, attributes, groups = contact
            self.contactPanel.addContact(jid, attributes, groups)

    def _getSignalsCB(self, signal_data):
        bridge_signals = BridgeSignals()
        bridge_signals.call('getSignals', self._getSignalsCB)
        print('Got signal ==> name: %s, params: %s' % (signal_data[0],signal_data[1]))
        name,args = signal_data
        if name == 'personalEvent':
            self._personalEventCb(*args)
        elif name == 'newMessage':
            self._newMessageCb(*args)
        elif name == 'presenceUpdate':
            self._presenceUpdateCb(*args)

    def _getProfileJidCB(self, jid):
        self.whoami = JID(jid)
        #we can now ask our status
        self.bridge.call('getPresenceStatus', self._getPresenceStatusCB)



    ## Signals callbacks ##

    def _personalEventCb(self, sender, event_type, data, profile):
        if event_type == "MICROBLOG":
            if not data.has_key('content'):
                print ("WARNING: No content found in microblog data")
                return
            print dir('')
            if data.has_key('groups'):
                _groups = set(data['groups'].split() if data['groups'] else [])
            else:
                _groups=None
            print "_groups=",_groups
            for panel in self.mpanels:
                if isinstance(panel,MicroblogPanel) and (panel.isJidAccepted(sender) or _groups == None or _groups.intersection(panel.accepted_groups)):
                    print "sender:",sender
                    content = data['content']
                    author = data.get('author')
                    print "timestamp: %s" % data.get('timestamp')
                    timestamp = float(data.get('timestamp',0)) #XXX: int doesn't work here
                    panel.addEntry(content, author, timestamp)

    def _newMessageCb(self, from_jid, msg, msg_type, to_jid):
        _from = JID(from_jid)
        _to = JID(to_jid)
        for panel in self.mpanels:
            if isinstance(panel,ChatPanel) and (panel.target.bare == _from.bare or panel.target.bare == _to.bare):
                panel.printMessage(_from, msg)

    def _presenceUpdateCb(self, entity, show, priority, statuses):
        _entity = JID(entity)
        #XXX: QnD way to only get our status
        if self.whoami and self.whoami.bare == _entity.bare and statuses:
            self.statusPanel.changeStatus(statuses.values()[0])
            
    def _getPresenceStatusCB(self, presence_data):
        #XXX we are only interested in our own presence so far
        if self.whoami and presence_data.has_key(self.whoami.bare):
            myjid = self.whoami.bare
            if presence_data[myjid]:
                args = presence_data[myjid].values()[0]
                self._presenceUpdateCb(myjid, *args)

if __name__ == '__main__':
    pyjd.setup("http://localhost:8080/libervia.html")
    app = SatWebFrontend()
    app.onModuleLoad()
    pyjd.run()