class Xmpp.Models.Contact extends Xmpp.Models.Model
   namespace: 'app.roster'
 
   defaults:

     jid: ''
     name: ''
     status: 'offline'
     message: ''

     avatar: ''

     belongsTo: ''

 
   initialize: ->

     _.bindAll(this)

     if ! @get('name')
       @set(name: @get('jid'))
 

   firstname: ->
     @get('name').split(' ')[0]

 class Xmpp.Collections.ContactsCollection extends Backbone.Collection
   model: Xmpp.Models.Contact

 
   initialize: ->
     _.bindAll(this)

     @friendsList = new Xmpp.Views.Contacts.ListView(collection: this, attributes: {title: 'chat.roster.friends', id: 'js-inactive-friends'})

     @friendsList.createListContainer()
 
     @activeList  = new Xmpp.Views.Contacts.ListView(collection: this, attributes: {title: 'chat.roster.chat-group', id: 'js-active-friends'})
     @activeList.setAsActiveChatGroup()

     @on('add', @appendContact)
 
     Backbone.Events.on('openChat', (chat) =>
       @moveToInactiveList('all')
       @moveToActiveList(chat.get('withWhom'))
     )
 
     Backbone.Events.on('closeChat', (tab, chat) =>
       @moveToInactiveList(chat.get('withWhom'))
     )

 
   appendContact: (contact) ->

     @friendsList.appendContact(contact)
 

   moveToActiveList: (contact) ->
     @_switchContactBelongingList(@get(contact), @friendsList, @activeList)
 
   moveToInactiveList: (contact) ->
     if contact == 'all'
       _.each(@activeList.contactViews, (view) =>
         @_switchContactBelongingList(view.model, @activeList, @friendsList)
       )
     else
       @_switchContactBelongingList(@get(contact), @activeList, @friendsList)
 

   updateStatus: (response) ->
     @get(response.jid).set(message: response.status.message, status: response.status.status)
 
   udpateVcard: (response) ->

     @get(response.jid).set(name: response.vcard.name, avatar: response.vcard.avatar)
 
   _switchContactBelongingList: (contact, fromList, toList) ->
     if !contact?
       false
 
     fromList.detachContact(contact) && toList.appendContact(contact)
 
     true