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

"""
wix: a SAT frontend
Copyright (C) 2009  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/>.
"""


import wx
from chat import Chat
from param import Param
from form import Form
from gateways import GatewaysManager
import gobject
import os.path
import pdb
from tools.jid  import JID
from logging import debug, info, error
from quick_frontend.quick_chat_list import QuickChatList
from quick_frontend.quick_contact_list import QuickContactList
from quick_frontend.quick_app import QuickApp


msgOFFLINE          = "offline"
msgONLINE           = "online"
idCONNECT           = 1
idDISCONNECT        = 2
idEXIT              = 3
idPARAM             = 4
idADD_CONTACT       = 5
idREMOVE_CONTACT    = 6
idFIND_GATEWAYS     = 7
const_DEFAULT_GROUP = "Unclassed"
const_STATUS        = {"Online":"",
                      "Want to discuss":"chat",
                      "AFK":"away",
                      "Do Not Disturb":"dnd",
                      "Away":"xa"}

class ChatList(QuickChatList):
    """This class manage the list of chat windows"""
    
    def __init__(self, host):
        QuickChatList.__init__(self, host)
    
    def createChat(self, name):
        return Chat(name, self.host)
    


class ContactList(wx.TreeCtrl, QuickContactList):
    """Customized control to manage contacts."""

    def __init__(self, parent):
        wx.TreeCtrl.__init__(self, parent, style = wx.TR_HIDE_ROOT | wx.TR_HAS_BUTTONS)
        QuickContactList.__init__(self)
        self.jid_ids={}
        self.groups={}
        self.root=self.AddRoot("")
        self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.onActivated, self)

        #icons
        isz = (16,16)
        il = wx.ImageList(isz[0], isz[1])
        self.icon_online = il.Add(wx.ArtProvider_GetBitmap(wx.ART_TICK_MARK, wx.ART_OTHER, isz))
        self.icon_unavailable = il.Add(wx.ArtProvider_GetBitmap(wx.ART_CROSS_MARK, wx.ART_OTHER, isz))
        self.AssignImageList(il)

        self.__addNode(const_DEFAULT_GROUP)

    def __addNode(self, label):
        """Add an item container"""
        ret=self.AppendItem(self.root, label)
        self.SetPyData(ret, "[node]")
        self.SetItemBold(ret)
        self.groups[label]=ret

    def replace(self, jid, name="", show="", status="", group=""):
        debug("status = %s show = %s",status, show)
        if not self.jid_ids.has_key(jid):
            self.add(jid, name, show, status, group)
        else:
            debug ("updating %s",jid)
            self.__presentItem(jid, name, show, status, group)

    def __presentItem(self, jid, name, show, status, group):
        """Make a nice presentation of the contact in the list."""
        id=self.jid_ids[jid]
        label= "%s [%s] \n %s" % ((name or jid), (show or "online"), status)
        self.SetItemText(id, label)

        # icon
        if not show or show=="chat":
            self.SetItemImage(id, self.icon_online)
        else:
            self.SetItemImage(id, self.icon_unavailable)

        #colour
        if not show:
            self.SetItemTextColour(id, wx.BLACK)
        elif show=="chat":
            self.SetItemTextColour(id, wx.GREEN)
        elif show=="away":
            self.SetItemTextColour(id, wx.BLUE)
        else:
            self.SetItemTextColour(id, wx.RED)

    def add(self, jid, name="", show="", status="", group=""):
        """add a contact to the list"""
        debug ("adding %s",jid)
        dest_group=group or const_DEFAULT_GROUP
        if not self.groups.has_key(dest_group):
            self.__addNode(dest_group)
        self.jid_ids[jid]=self.AppendItem(self.groups[dest_group], "")
        self.__presentItem(jid, name, show, status, group)
        self.SetPyData(self.jid_ids[jid], "[contact]"+jid)
        self.EnsureVisible(self.jid_ids[jid])
        self.Refresh() #FIXME: Best way ?

    def remove(self, jid):
        """remove a contact from the list"""
        debug ("removing %s",jid)
        self.Delete(self.jid_ids[jid])
        del self.jid_ids[jid]
        self.Refresh() #FIXME: Best way ?

    def onActivated(self, event):
        """Called when a contact is clicked or activated with keyboard."""
        if self.GetPyData(event.GetItem()).startswith("[contact]"):
            self.onActivatedCB(self.GetPyData(event.GetItem())[9:])
        else:
            event.Skip()

    def getSelection(self):
        """Return the selected contact, or an empty string if there is not"""
        data = self.GetPyData(self.GetSelection())
        if not data or not data.startswith("[contact]"):
            return ""
        return JID(data[9:])

    def registerActivatedCB(self, cb):
        """Register a callback with manage contact activation."""
        self.onActivatedCB=cb

class MainWindow(wx.Frame, QuickApp):
    """main app window"""

    def __init__(self):
        wx.Frame.__init__(self,None, title="SAT Wix", size=(400,200))


        #Frame elements
        self.contactList = ContactList(self)
        self.contactList.registerActivatedCB(self.onContactActivated)
        self.chat_wins=ChatList(self)
        self.CreateStatusBar()
        self.SetStatusText(msgOFFLINE)
        self.createMenus()

        #ToolBar
        self.tools=self.CreateToolBar()
        self.statusBox =  wx.ComboBox(self.tools, -1, "Online", choices=const_STATUS.keys(),
                                      style=wx.CB_DROPDOWN | wx.CB_READONLY)
        self.tools.AddControl(self.statusBox)
        self.tools.AddSeparator()
        self.statusTxt=wx.TextCtrl(self.tools, -1, style = wx.TE_PROCESS_ENTER)
        self.tools.AddControl(self.statusTxt)
        self.Bind(wx.EVT_COMBOBOX, self.onStatusChange, self.statusBox) 
        self.Bind(wx.EVT_TEXT_ENTER, self.onStatusChange, self.statusTxt)
        self.tools.Disable()
        
        #tray icon
        ticon = wx.Icon("images/tray_icon.xpm", wx.BITMAP_TYPE_XPM)
        self.tray_icon = wx.TaskBarIcon()
        self.tray_icon.SetIcon(ticon, "Wix jabber client")
        wx.EVT_TASKBAR_LEFT_UP(self.tray_icon, self.onTrayClick)


        #events
        self.Bind(wx.EVT_CLOSE, self.onClose, self)

        QuickApp.__init__(self)

        self.Show()

    def createMenus(self):
        info("Creating menus")
        connectMenu = wx.Menu()
        connectMenu.Append(idCONNECT, "&Connect	CTRL-c"," Connect to the server")
        connectMenu.Append(idDISCONNECT, "&Disconnect	CTRL-d"," Disconnect from the server")
        connectMenu.Append(idPARAM,"&Parameters"," Configure the program")
        connectMenu.AppendSeparator()
        connectMenu.Append(idEXIT,"E&xit"," Terminate the program")
        contactMenu = wx.Menu()
        contactMenu.Append(idADD_CONTACT, "&Add contact"," Add a contact to your list")
        contactMenu.Append(idREMOVE_CONTACT, "&Remove contact"," Remove the selected contact from your list")
        communicationMenu = wx.Menu()
        communicationMenu.Append(idFIND_GATEWAYS, "&Find Gateways"," Find gateways to legacy IM")
        menuBar = wx.MenuBar()
        menuBar.Append(connectMenu,"&General")
        menuBar.Append(contactMenu,"&Contacts")
        menuBar.Append(communicationMenu,"&Communication")
        self.SetMenuBar(menuBar)

        #events
        wx.EVT_MENU(self, idCONNECT, self.onConnectRequest)
        wx.EVT_MENU(self, idDISCONNECT, self.onDisconnectRequest)
        wx.EVT_MENU(self, idPARAM, self.onParam)
        wx.EVT_MENU(self, idEXIT, self.onExit)
        wx.EVT_MENU(self, idADD_CONTACT, self.onAddContact)
        wx.EVT_MENU(self, idREMOVE_CONTACT, self.onRemoveContact)
        wx.EVT_MENU(self, idFIND_GATEWAYS, self.onFindGateways)


    def newMessage(self, from_jid, msg, type, to_jid):
        QuickApp.newMessage(self, from_jid, msg, type, to_jid)

    def showAlert(self, message):
        # TODO: place this in a separate class
        popup=wx.PopupWindow(self)
        ### following code come from wxpython demo
        popup.SetBackgroundColour("CADET BLUE")
        st = wx.StaticText(popup, -1, message, pos=(10,10))
        sz = st.GetBestSize()
        popup.SetSize( (sz.width+20, sz.height+20) )
        x=(wx.DisplaySize()[0]-popup.GetSize()[0])/2
        popup.SetPosition((x,0))
        popup.Show()
        wx.CallLater(5000,popup.Destroy)
    
    def showDialog(self, message, title="", type="info"):
        if type == 'info':
            flags = wx.OK | wx.ICON_INFORMATION
        elif type == 'error':
            flags = wx.OK | wx.ICON_ERROR
        elif type == 'question':
            flags = wx.OK | wx.ICON_QUESTION
        else:
            flags = wx.OK | wx.ICON_INFORMATION
        dlg = wx.MessageDialog(self, message, title, flags)
        answer = dlg.ShowModal()
        dlg.Destroy()
        return True if (answer == wx.ID_YES or answer == wx.ID_OK) else False
       
    def setStatusOnline(self, online=True):
        """enable/disable controls, must be called when local user online status change"""
        if online:
            self.SetStatusText(msgONLINE)
            self.tools.Enable()
        else:
            self.SetStatusText(msgOFFLINE)
            self.tools.Disable()
        return


    def presenceUpdate(self, jabber_id, type, show, status, priority):
        QuickApp.presenceUpdate(self, jabber_id, type, show, status, priority)

    def askConfirmation(self, type, id, data):
        #TODO: refactor this in QuickApp
        debug ("Confirmation asked")
        answer_data={}
        if type == "FILE_TRANSFERT":
            debug ("File transfert confirmation asked")
            dlg = wx.MessageDialog(self, "The contact %s wants to send you the file %s\nDo you accept ?" % (data["from"], data["filename"]),
                                   'File Request',
                                   wx.YES_NO | wx.ICON_QUESTION
                                  )
            answer=dlg.ShowModal()
            if answer==wx.ID_YES:
                filename = wx.FileSelector("Where do you want to save the file ?", flags = wx.FD_SAVE | wx.FD_OVERWRITE_PROMPT)
                if filename:
                    answer_data["dest_path"] = filename
                    self.bridge.confirmationAnswer(id, True, answer_data)
                    self.waitProgress(id, "File Transfer", "Copying %s" % os.path.basename(filename)) 
                else:
                    answer = wx.ID_NO
            if answer==wx.ID_NO:
                    self.bridge.confirmationAnswer(id, False, answer_data)
            
            dlg.Destroy()

        elif type == "YES/NO":
            debug ("Yes/No confirmation asked")
            dlg = wx.MessageDialog(self, data["message"],
                                   'Confirmation',
                                   wx.YES_NO | wx.ICON_QUESTION
                                  )
            answer=dlg.ShowModal()
            if answer==wx.ID_YES:
                self.bridge.confirmationAnswer(id, True, {})
            if answer==wx.ID_NO:
                self.bridge.confirmationAnswer(id, False, {})

            dlg.Destroy()

    def actionResult(self, type, id, data):
        debug ("actionResult: type = [%s] id = [%s] data = [%s]" % (type, id, data))
        if type == "SUPPRESS":
            self.current_action_ids.remove(id)
        elif type == "SUCCESS":
            self.current_action_ids.remove(id)
            dlg = wx.MessageDialog(self, data["message"],
                                   'Success',
                                   wx.OK | wx.ICON_INFORMATION
                                  )
            dlg.ShowModal()
            dlg.Destroy()
        elif type == "ERROR":
            self.current_action_ids.remove(id)
            dlg = wx.MessageDialog(self, data["message"],
                                   'Error',
                                   wx.OK | wx.ICON_ERROR
                                  )
            dlg.ShowModal()
            dlg.Destroy()
        elif type == "FORM":
            self.current_action_ids.remove(id)
            debug ("Form received")
            form=Form(self, title='Registration', type = data['type'], xml_data = data['xml'])
        elif type == "DICT_DICT":
            self.current_action_ids.remove(id)
            if self.current_action_ids_cb.has_key(id):
                callback = self.current_action_ids_cb[id]
                del self.current_action_ids_cb[id]
                callback(id,data)
            print ("Dict of dict found as result")
        else:
            error ("FIXME FIXME FIXME: type [%s] not implemented" % type)
            raise NotImplementedError



    def progressCB(self, id, title, message):
        data = self.bridge.getProgress(id)
        if data:
            if not data['position']:
                data['position'] = '0'
            if not self.pbar:
                #first answer, we must construct the bar
                self.pbar = wx.ProgressDialog(title, message, int(data['size']), None,
                    wx.PD_SMOOTH | wx.PD_ELAPSED_TIME | wx.PD_ESTIMATED_TIME | wx.PD_REMAINING_TIME) 
                self.pbar.finish_value = int(data['size'])
                
            self.pbar.Update(int(data['position']))
        elif self.pbar:
            self.pbar.Update(self.pbar.finish_value)
            return

        wx.CallLater(10, self.progressCB, id, title, message)
        
    def waitProgress (self, id, title, message):
        self.pbar = None
        wx.CallLater(10, self.progressCB, id, title, message)
        
        

    ### events ###

    def onContactActivated(self, jid):
        debug ("onContactActivated: %s", jid)
        if self.chat_wins[jid].IsShown():
            self.chat_wins[jid].Hide()
        else:
            self.chat_wins[jid].Show()

    def onConnectRequest(self, e):
        self.bridge.connect()

    def onDisconnectRequest(self, e):
        self.bridge.disconnect()

    def __updateStatus(self):
        show = const_STATUS[self.statusBox.GetValue()]
        status =  self.statusTxt.GetValue()
        self.bridge.setPresence(show=show, status=status)

    def onStatusChange(self, e):
        debug("Status change request")
        self.__updateStatus()

    def onParam(self, e):
        debug("Param request")
        param=Param(self)

    def onExit(self, e):
        self.Close()
    
    def onAddContact(self, e):
        debug("Add contact request")
        dlg = wx.TextEntryDialog(
                self, 'Please enter new contact JID',
                'Adding a contact', 'name@server.ext')

        if dlg.ShowModal() == wx.ID_OK:
            jid=JID(dlg.GetValue())
            if jid.is_valid():
                self.bridge.addContact(jid.short)
            else:
                error ("'%s' is an invalid JID !", jid)
                #TODO: notice the user

        dlg.Destroy()

    def onRemoveContact(self, e):
        debug("Remove contact request")
        target = self.contactList.getSelection()
        if not target:
            dlg = wx.MessageDialog(self, "You haven't selected any contact !",
                                   'Error',
                                   wx.OK | wx.ICON_ERROR
                                  )
            dlg.ShowModal()
            dlg.Destroy()
            return

        dlg = wx.MessageDialog(self, "Are you sure you want to delete  %s from your roster list ?" % target.short,
                               'Contact suppression',
                               wx.YES_NO | wx.ICON_QUESTION
                              )

        if dlg.ShowModal() == wx.ID_YES:
            info("Unsubsribing %s presence", target.short)
            self.bridge.delContact(target.short)

        dlg.Destroy()

    def onFindGateways(self, e):
        debug("Find Gateways request")
        id = self.bridge.findGateways(self.whoami.domain)
        self.current_action_ids.add(id)
        self.current_action_ids_cb[id] = self.onGatewaysFound
        print "Find Gateways id=", id

    def onGatewaysFound(self, id, data):
        """Called when SàT has found the server gateways"""
        gatewayManager = GatewaysManager(self, data)
    
    def onClose(self, e):
        info("Exiting...")
        e.Skip()

    def onTrayClick(self, e):
        debug("Tray Click")
        if self.IsShown():
            self.Hide()
        else:
            self.Show()
            self.Raise()
        e.Skip()