(function (root, factory) {
    define([
        "converse"
        ], function (xmppchat) {
            return factory(xmppchat);
        }
    );
} (this, function (xmppchat) {

    return describe("Converse.js", $.proxy(function() {
        // Names from http://www.fakenamegenerator.com/
        var req_names = [
            'Louw Spekman', 'Mohamad Stet', 'Dominik Beyer'
        ];
        var pend_names = [
            'Suleyman van Beusichem', 'Nicole Diederich', 'Nanja van Yperen'
        ];
        var cur_names = [
            'Max Frankfurter', 'Candice van der Knijff', 'Irini Vlastuin', 'Rinse Sommer', 'Annegreet Gomez',
            'Robin Schook', 'Marcel Eberhardt', 'Simone Brauer', 'Asmaa Haakman', 'Felix Amsel',
            'Lena Grunewald', 'Laura Grunewald', 'Mandy Seiler', 'Sven Bosch', 'Nuriye Cuypers'
        ];
        var num_contacts = req_names.length + pend_names.length + cur_names.length;
        this.bare_jid = 'dummy@localhost';
        mock_connection  = {
            'muc': {
                'listRooms': function () {}
            },
            'jid': this.bare_jid,
            'addHandler': function (handler, ns, name, type, id, from, options) { 
                return function () {};
            },
            'roster': {
                'add': function () {},
                'authorize': function () {},
                'unauthorize': function () {},
                'get': function () {},
                'subscribe': function () {},
                'registerCallback': function () {}
            },
            'vcard': { 
                'get': function (callback, jid) {
                    var name = jid.split('@')[0].replace('.', ' ').split(' ');
                    var firstname = name[0].charAt(0).toUpperCase()+name[0].slice(1);
                    var lastname = name[1].charAt(0).toUpperCase()+name[1].slice(1);
                    var fullname = firstname+' '+lastname;
                    var vcard = $iq().c('vCard').c('FN').t(fullname);
                    callback(vcard.tree());
                } 
            }
        };

        // Clear localStorage
        window.localStorage.removeItem(
            hex_sha1('converse.rosteritems-'+this.bare_jid));
        window.localStorage.removeItem(
            hex_sha1('converse.chatboxes-'+this.bare_jid));
        window.localStorage.removeItem(
            hex_sha1('converse.xmppstatus-'+this.bare_jid));
        window.localStorage.removeItem(
            hex_sha1('converse.messages'+cur_names[0].replace(' ','.').toLowerCase() + '@localhost'));

        this.prebind = true;
        this.onConnected(mock_connection);
        this.animate = false; // don't use animations

        describe("The Contacts Roster", $.proxy(function () {
            it("is not shown by default", $.proxy(function () {
                expect(this.rosterview.$el.is(':visible')).toEqual(false);
            }, xmppchat));

            it("can be opened by clicking a DOM element with id 'toggle-online-users'", $.proxy(function () {
                spyOn(this, 'toggleControlBox').andCallThrough();
                $('#toggle-online-users').click();
                expect(this.toggleControlBox).toHaveBeenCalled();
            }, xmppchat));

            describe("Pending Contacts", $.proxy(function () {
                it("do not have a heading if there aren't any", $.proxy(function () {
                    expect(this.rosterview.$el.find('dt#pending-xmpp-contacts').css('display')).toEqual('none');
                }, xmppchat));

                it("can be added to the roster and they will be sorted alphabetically", $.proxy(function () {
                    var i, t, is_last;
                    spyOn(this.rosterview, 'render').andCallThrough();
                    for (i=0; i<pend_names.length; i++) {
                        is_last = i==(pend_names.length-1);
                        this.roster.create({
                            jid: pend_names[i].replace(' ','.').toLowerCase() + '@localhost',
                            subscription: 'none',
                            ask: 'subscribe',
                            fullname: pend_names[i],
                            is_last: is_last
                        });
                        // For performance reasons, the roster should only be shown once 
                        // the last contact has been added.
                        if (is_last) {
                            expect(this.rosterview.$el.is(':visible')).toEqual(true);
                        } else {
                            expect(this.rosterview.$el.is(':visible')).toEqual(false);
                        }
                        expect(this.rosterview.render).toHaveBeenCalled();
                        // Check that they are sorted alphabetically
                        t = this.rosterview.$el.find('dt#pending-xmpp-contacts').siblings('dd.pending-xmpp-contact').text();
                        expect(t).toEqual(pend_names.slice(0,i+1).sort().join(''));
                    }
                }, xmppchat));

                it("will have their own heading once they have been added", $.proxy(function () {
                    expect(this.rosterview.$el.find('dt#pending-xmpp-contacts').css('display')).toEqual('block');
                }, xmppchat));
            }, xmppchat));

            describe("Existing Contacts", $.proxy(function () {
                it("do not have a heading if there aren't any", $.proxy(function () {
                    expect(this.rosterview.$el.find('dt#xmpp-contacts').css('display')).toEqual('none');
                }, xmppchat));

                it("can be added to the roster and they will be sorted alphabetically", $.proxy(function () {
                    var i, t;
                    spyOn(this.rosterview, 'render').andCallThrough();
                    for (i=0; i<cur_names.length; i++) {
                        this.roster.create({
                            jid: cur_names[i].replace(' ','.').toLowerCase() + '@localhost',
                            subscription: 'both',
                            ask: null,
                            fullname: cur_names[i],
                            is_last: i==(cur_names.length-1)
                        });
                        expect(this.rosterview.render).toHaveBeenCalled();
                        // Check that they are sorted alphabetically
                        t = this.rosterview.$el.find('dt#xmpp-contacts').siblings('dd.current-xmpp-contact.offline').find('a.open-chat').text();
                        expect(t).toEqual(cur_names.slice(0,i+1).sort().join(''));
                    }
                }, xmppchat));

                it("will have their own heading once they have been added", $.proxy(function () {
                    expect(this.rosterview.$el.find('dt#xmpp-contacts').css('display')).toEqual('block');
                }, xmppchat));

                it("can change their status to online and be sorted alphabetically", $.proxy(function () {
                    var item, view, jid, t;
                    spyOn(this.rosterview, 'render').andCallThrough();
                    for (i=0; i<3; i++) {
                        jid = cur_names[i].replace(' ','.').toLowerCase() + '@localhost';
                        view = this.rosterview.rosteritemviews[jid];
                        spyOn(view, 'render').andCallThrough();
                        item = view.model;
                        item.set('chat_status', 'online');
                        expect(view.render).toHaveBeenCalled();
                        expect(this.rosterview.render).toHaveBeenCalled();

                        // Check that they are sorted alphabetically
                        t = this.rosterview.$el.find('dt#xmpp-contacts').siblings('dd.current-xmpp-contact.online').find('a.open-chat').text();
                        expect(t).toEqual(cur_names.slice(0,i+1).sort().join(''));
                    }
                }, xmppchat));

                it("can change their status to busy and be sorted alphabetically", $.proxy(function () {
                    var item, view, jid, t;
                    spyOn(this.rosterview, 'render').andCallThrough();
                    for (i=3; i<6; i++) {
                        jid = cur_names[i].replace(' ','.').toLowerCase() + '@localhost';
                        view = this.rosterview.rosteritemviews[jid];
                        spyOn(view, 'render').andCallThrough();
                        item = view.model;
                        item.set('chat_status', 'dnd');
                        expect(view.render).toHaveBeenCalled();
                        expect(this.rosterview.render).toHaveBeenCalled();
                        // Check that they are sorted alphabetically
                        t = this.rosterview.$el.find('dt#xmpp-contacts').siblings('dd.current-xmpp-contact.dnd').find('a.open-chat').text();
                        expect(t).toEqual(cur_names.slice(3,i+1).sort().join(''));
                    }
                }, xmppchat));

                it("can change their status to away and be sorted alphabetically", $.proxy(function () {
                    var item, view, jid, t;
                    spyOn(this.rosterview, 'render').andCallThrough();
                    for (i=6; i<9; i++) {
                        jid = cur_names[i].replace(' ','.').toLowerCase() + '@localhost';
                        view = this.rosterview.rosteritemviews[jid];
                        spyOn(view, 'render').andCallThrough();
                        item = view.model;
                        item.set('chat_status', 'away');
                        expect(view.render).toHaveBeenCalled();
                        expect(this.rosterview.render).toHaveBeenCalled();

                        // Check that they are sorted alphabetically
                        t = this.rosterview.$el.find('dt#xmpp-contacts').siblings('dd.current-xmpp-contact.away').find('a.open-chat').text();
                        expect(t).toEqual(cur_names.slice(6,i+1).sort().join(''));
                    }
                }, xmppchat));

                it("can change their status to unavailable and be sorted alphabetically", $.proxy(function () {
                    var item, view, jid, t;
                    spyOn(this.rosterview, 'render').andCallThrough();
                    for (i=9; i<12; i++) {
                        jid = cur_names[i].replace(' ','.').toLowerCase() + '@localhost';
                        view = this.rosterview.rosteritemviews[jid];
                        spyOn(view, 'render').andCallThrough();
                        item = view.model;
                        item.set('chat_status', 'unavailable');
                        expect(view.render).toHaveBeenCalled();
                        expect(this.rosterview.render).toHaveBeenCalled();

                        // Check that they are sorted alphabetically
                        t = this.rosterview.$el.find('dt#xmpp-contacts').siblings('dd.current-xmpp-contact.unavailable').find('a.open-chat').text();
                        expect(t).toEqual(cur_names.slice(9, i+1).sort().join(''));
                    }
                }, xmppchat));

                it("are ordered according to status: online, busy, away, unavailable, offline", $.proxy(function () {
                    var contacts = this.rosterview.$el.find('dd.current-xmpp-contact');
                    var i;
                    // The first five contacts are online.
                    for (i=0; i<3; i++) {
                        expect($(contacts[i]).attr('class').split(' ',1)[0]).toEqual('online');
                    }
                    // The next five are busy
                    for (i=3; i<6; i++) {
                        expect($(contacts[i]).attr('class').split(' ',1)[0]).toEqual('dnd');
                    }
                    // The next five are away
                    for (i=6; i<9; i++) {
                        expect($(contacts[i]).attr('class').split(' ',1)[0]).toEqual('away');
                    }
                    // The next five are unavailable
                    for (i=9; i<12; i++) {
                        expect($(contacts[i]).attr('class').split(' ',1)[0]).toEqual('unavailable');
                    }
                    // The next 20 are offline
                    for (i=12; i<cur_names.length; i++) {
                        expect($(contacts[i]).attr('class').split(' ',1)[0]).toEqual('offline');
                    }
                }, xmppchat));


            }, xmppchat));

            describe("Requesting Contacts", $.proxy(function () {
                // by default the dts are hidden from css class and only later they will be hidden
                // by jQuery therefore for the first check we will see if visible instead of none
                it("do not have a heading if there aren't any", $.proxy(function () {
                    expect(this.rosterview.$el.find('dt#xmpp-contact-requests').is(':visible')).toEqual(false);
                }, xmppchat));

                it("can be added to the roster and they will be sorted alphabetically", $.proxy(function () {
                    var i, t;
                    spyOn(this.rosterview, 'render').andCallThrough();
                    spyOn(this, 'showControlBox').andCallThrough();
                    for (i=0; i<req_names.length; i++) {
                        this.roster.create({
                            jid: req_names[i].replace(' ','.').toLowerCase() + '@localhost',
                            subscription: 'none',
                            ask: 'request',
                            fullname: req_names[i],
                            is_last: i==(req_names.length-1)
                        });
                        expect(this.rosterview.render).toHaveBeenCalled();
                        // Check that they are sorted alphabetically
                        t = this.rosterview.$el.find('dt#xmpp-contact-requests').siblings('dd.requesting-xmpp-contact').text().replace(/AcceptDecline/g, '');
                        expect(t).toEqual(req_names.slice(0,i+1).sort().join(''));
                        // When a requesting contact is added, the controlbox must
                        // be opened.
                        expect(this.showControlBox).toHaveBeenCalled();
                    }
                }, xmppchat));

                it("will have their own heading once they have been added", $.proxy(function () {
                    expect(this.rosterview.$el.find('dt#xmpp-contact-requests').css('display')).toEqual('block');
                }, xmppchat));

                it("can have their requests accepted by the user", $.proxy(function () {
                    // TODO: Testing can be more thorough here, the user is
                    // actually not accepted/authorized because of
                    // mock_connection.
                    var jid = req_names.sort()[0].replace(' ','.').toLowerCase() + '@localhost';
                    var view = this.rosterview.rosteritemviews[jid];
                    spyOn(this.connection.roster, 'authorize');
                    spyOn(view, 'acceptRequest').andCallThrough();
                    view.delegateEvents(); // We need to rebind all events otherwise our spy won't be called
                    var accept_button = view.$el.find('.accept-xmpp-request');
                    accept_button.click();
                    expect(view.acceptRequest).toHaveBeenCalled();
                    expect(this.connection.roster.authorize).toHaveBeenCalled();
                }, xmppchat));

                it("can have their requests denied by the user", $.proxy(function () {
                    var jid = req_names.sort()[1].replace(' ','.').toLowerCase() + '@localhost';
                    var view = this.rosterview.rosteritemviews[jid];
                    spyOn(this.connection.roster, 'unauthorize');
                    spyOn(this.rosterview, 'removeRosterItem').andCallThrough();
                    spyOn(view, 'declineRequest').andCallThrough();
                    view.delegateEvents(); // We need to rebind all events otherwise our spy won't be called
                    var accept_button = view.$el.find('.decline-xmpp-request');
                    accept_button.click();
                    expect(view.declineRequest).toHaveBeenCalled();
                    expect(this.rosterview.removeRosterItem).toHaveBeenCalled();
                    expect(this.connection.roster.unauthorize).toHaveBeenCalled();
                    // There should now be one less contact
                    expect(this.roster.length).toEqual(num_contacts-1); 
                }, xmppchat));
            }, xmppchat));

            describe("All Contacts", $.proxy(function () {

                it("are saved to, and can be retrieved from, localStorage", $.proxy(function () {
                    var new_attrs, old_attrs, attrs, old_roster;
                    // One contact was declined, so we have 1 less contact then originally
                    expect(this.roster.length).toEqual(num_contacts-1); 
                    old_roster = this.roster;
                    this.roster = new this.RosterItems();
                    expect(this.roster.length).toEqual(0);

                    this.roster.localStorage = new Backbone.LocalStorage(
                        hex_sha1('converse.rosteritems-dummy@localhost'));
                    this.chatboxes.onConnected();

                    spyOn(this.roster, 'fetch').andCallThrough();
                    this.rosterview = new this.RosterView({'model':this.roster});
                    expect(this.roster.fetch).toHaveBeenCalled();
                    expect(this.roster.length).toEqual(num_contacts-1);

                    // Check that the roster items retrieved from localStorage
                    // have the same attributes values as the original ones.
                    attrs = ['jid', 'fullname', 'subscription', 'ask'];
                    for (i=0; i<attrs.length; i++) {
                        new_attrs = _.pluck(_.pluck(this.roster.models, 'attributes'), attrs[i]);
                        old_attrs = _.pluck(_.pluck(old_roster.models, 'attributes'), attrs[i]);
                        // Roster items in storage are not necessarily sorted,
                        // so we have to sort them here to do a proper
                        // comparison
                        expect(_.isEqual(new_attrs.sort(), old_attrs.sort())).toEqual(true);
                    }
                    this.rosterview.render();
                }, xmppchat));

                afterEach($.proxy(function () {
                    // Contacts retrieved from localStorage have chat_status of
                    // "offline". 
                    // In the next test suite, we need some online contacts, so
                    // we make some online now
                    for (i=0; i<5; i++) {
                        jid = cur_names[i].replace(' ','.').toLowerCase() + '@localhost';
                        view = this.rosterview.rosteritemviews[jid];
                        view.model.set('chat_status', 'online');
                    }
                }, xmppchat));
            }, xmppchat));
        }, xmppchat));

        describe("A Chatbox", $.proxy(function () {

            it("is created when you click on a roster item", $.proxy(function () {
                var i, $el, click, jid, view;
                // showControlBox was called earlier, so the controlbox is
                // visible, but no other chat boxes have been created.
                expect(this.chatboxes.length).toEqual(1);

                var online_contacts = this.rosterview.$el.find('dt#xmpp-contacts').siblings('dd.current-xmpp-contact.online').find('a.open-chat');
                for (i=0; i<online_contacts.length; i++) {
                    $el = $(online_contacts[i]);
                    jid = $el.text().replace(' ','.').toLowerCase() + '@localhost';
                    view = this.rosterview.rosteritemviews[jid];
                    spyOn(view, 'openChat').andCallThrough();
                    view.delegateEvents(); // We need to rebind all events otherwise our spy won't be called
                    $el.click();
                    expect(view.openChat).toHaveBeenCalled();
                    expect(this.chatboxes.length).toEqual(i+2);
                }
            }, xmppchat));

            it("can be saved to, and retrieved from, localStorage", $.proxy(function () {
                // We instantiate a new ChatBoxes collection, which by default
                // will be empty.
                this.newchatboxes = new this.ChatBoxes();
                expect(this.newchatboxes.length).toEqual(0);
                // The chatboxes will then be fetched from localStorage inside the
                // onConnected method
                this.newchatboxes.onConnected();
                expect(this.newchatboxes.length).toEqual(6);
                // Check that the roster items retrieved from localStorage
                // have the same attributes values as the original ones.
                attrs = ['id', 'box_id', 'visible'];
                for (i=0; i<attrs.length; i++) {
                    new_attrs = _.pluck(_.pluck(this.newchatboxes.models, 'attributes'), attrs[i]);
                    old_attrs = _.pluck(_.pluck(this.chatboxes.models, 'attributes'), attrs[i]);
                    expect(_.isEqual(new_attrs, old_attrs)).toEqual(true);
                }
                this.rosterview.render();
            }, xmppchat));

            it("can be closed again by clicking a DOM element with class 'close-chatbox-button'", $.proxy(function () {
                var chatbox, view, $el,
                    num_open_chats = this.chatboxes.length;
                for (i=0; i<num_open_chats; i++) {
                    chatbox = this.chatboxes.models[0];
                    view = this.chatboxesview.views[chatbox.get('id')];
                    spyOn(view, 'closeChat').andCallThrough();
                    view.delegateEvents(); // We need to rebind all events otherwise our spy won't be called
                    view.$el.find('.close-chatbox-button').click();
                    expect(view.closeChat).toHaveBeenCalled();
                }
            }, xmppchat));

            it("will be removed from localStorage when closed", $.proxy(function () {
                this.newchatboxes = new this.ChatBoxes();
                expect(this.newchatboxes.length).toEqual(0);
                // onConnected will fetch chatboxes in localStorage, but
                // because there aren't any open chatboxes, there won't be any
                // in localStorage either.
                this.chatboxes.onConnected();
                expect(this.chatboxes.length).toEqual(0);
            }, xmppchat));

            describe("A Chat Message", $.proxy(function () {
                it("can be received which will open a chatbox and be displayed inside it", $.proxy(function () {
                    var message = 'This is a received message';
                    var sender_jid = cur_names[0].replace(' ','.').toLowerCase() + '@localhost';
                        msg = $msg({
                            from: sender_jid,
                            to: this.bare_jid, 
                            type: 'chat', 
                            id: (new Date()).getTime()
                        }).c('body').t(message).up()
                          .c('active', {'xmlns': 'http://jabber.org/protocol/chatstates'}).tree();

                    spyOn(this, 'getVCard').andCallThrough();

                    // We don't already have an open chatbox for this user
                    expect(this.chatboxes.get(sender_jid)).not.toBeDefined();

                    runs($.proxy(function () {
                        // messageReceived is a handler for received XMPP
                        // messages
                        this.chatboxes.messageReceived(msg);
                    }, xmppchat));
                    waits(500);
                    runs($.proxy(function () {
                        // Since we didn't already have an open chatbox, one
                        // will asynchronously created inside a callback to
                        // getVCard
                        expect(this.getVCard).toHaveBeenCalled();
                        // Check that the chatbox and its view now exist
                        var chatbox = this.chatboxes.get(sender_jid);
                        var chatboxview = this.chatboxesview.views[sender_jid];
                        expect(chatbox).toBeDefined();
                        expect(chatboxview).toBeDefined();
                        // Check that the message was received and check the
                        // message parameters
                        expect(chatbox.messages.length).toEqual(1);
                        var msg_obj = chatbox.messages.models[0];
                        expect(msg_obj.get('message')).toEqual(message);
                        // XXX: This is stupid, fullname is actually only the
                        // users first name
                        expect(msg_obj.get('fullname')).toEqual(cur_names[0].split(' ')[0]);
                        expect(msg_obj.get('sender')).toEqual('them');
                        expect(msg_obj.get('delayed')).toEqual(false);
                        // Now check that the message appears inside the
                        // chatbox in the DOM
                        var txt = chatboxview.$el.find('.chat-content').find('.chat-message').find('.chat-message-content').text();
                        expect(txt).toEqual(message);
                    }, xmppchat));
                }, xmppchat));

                it("can be sent from a chatbox, and will appear inside it", $.proxy(function () {
                    // TODO
                }, xmppchat));
            }, xmppchat));
        }, xmppchat));

    }, xmppchat));
}));