(function (root, factory) {
    define([
        "jasmine",
        "jquery",
        "converse-core",
        "mock",
        "test-utils"], factory);
} (this, function (jasmine, $, converse, mock, test_utils) {
    "use strict";
    var Strophe = converse.env.Strophe;
    var $iq = converse.env.$iq;
    var _ = converse.env._;
    var f = converse.env.f;

    describe("XEP-0363: HTTP File Upload", function () {

        describe("Discovering support", function () {

            it("is done automatically", mock.initConverseWithAsync(function (done, _converse) {
                var IQ_stanzas = _converse.connection.IQ_stanzas;
                var IQ_ids =  _converse.connection.IQ_ids;

                test_utils.waitUntilDiscoConfirmed(_converse, _converse.bare_jid, [], []).then(function () {
                    test_utils.waitUntil(function () {
                        return _.filter(IQ_stanzas, function (iq) {
                            return iq.nodeTree.querySelector(
                                'iq[to="localhost"] query[xmlns="http://jabber.org/protocol/disco#info"]');
                        }).length > 0;
                    }, 300).then(function () {
                        /* <iq type='result'
                         *      from='plays.shakespeare.lit'
                         *      to='romeo@montague.net/orchard'
                         *      id='info1'>
                         *  <query xmlns='http://jabber.org/protocol/disco#info'>
                         *      <identity
                         *          category='server'
                         *          type='im'/>
                         *      <feature var='http://jabber.org/protocol/disco#info'/>
                         *      <feature var='http://jabber.org/protocol/disco#items'/>
                         *  </query>
                         *  </iq>
                         */
                        var stanza = _.filter(IQ_stanzas, function (iq) {
                            return iq.nodeTree.querySelector(
                                'iq[to="localhost"] query[xmlns="http://jabber.org/protocol/disco#info"]');
                        })[0];
                        var info_IQ_id = IQ_ids[IQ_stanzas.indexOf(stanza)];

                        stanza = $iq({
                            'type': 'result',
                            'from': 'localhost',
                            'to': 'dummy@localhost/resource',
                            'id': info_IQ_id
                        }).c('query', {'xmlns': 'http://jabber.org/protocol/disco#info'})
                            .c('identity', {
                                'category': 'server',
                                'type': 'im'}).up()
                            .c('feature', {
                                'var': 'http://jabber.org/protocol/disco#info'}).up()
                            .c('feature', {
                                'var': 'http://jabber.org/protocol/disco#items'});
                        _converse.connection._dataRecv(test_utils.createRequest(stanza));

                        _converse.api.disco.entities.get().then(function(entities) {
                            expect(entities.length).toBe(2);
                            expect(_.includes(entities.pluck('jid'), 'localhost')).toBe(true);
                            expect(_.includes(entities.pluck('jid'), 'dummy@localhost')).toBe(true);

                            expect(entities.get(_converse.domain).features.length).toBe(2);
                            expect(entities.get(_converse.domain).identities.length).toBe(1);

                            return test_utils.waitUntil(function () {
                                // Converse.js sees that the entity has a disco#items feature,
                                // so it will make a query for it.
                                return _.filter(IQ_stanzas, function (iq) {
                                    return iq.nodeTree.querySelector('iq[to="localhost"] query[xmlns="http://jabber.org/protocol/disco#items"]');
                                }).length > 0;
                            }, 300);
                        });
                    }).then(function () {
                        /* <iq from='montague.tld'
                         *      id='step_01'
                         *      to='romeo@montague.tld/garden'
                         *      type='result'>
                         *  <query xmlns='http://jabber.org/protocol/disco#items'>
                         *      <item jid='upload.montague.tld' name='HTTP File Upload' />
                         *      <item jid='conference.montague.tld' name='Chatroom Service' />
                         *  </query>
                         *  </iq>
                         */
                    var stanza = _.filter(IQ_stanzas, function (iq) {
                        return iq.nodeTree.querySelector('iq[to="localhost"] query[xmlns="http://jabber.org/protocol/disco#items"]');
                    })[0];
                    var items_IQ_id = IQ_ids[IQ_stanzas.indexOf(stanza)];
                    stanza = $iq({
                        'type': 'result',
                        'from': 'localhost',
                        'to': 'dummy@localhost/resource',
                        'id': items_IQ_id
                    }).c('query', {'xmlns': 'http://jabber.org/protocol/disco#items'})
                        .c('item', {
                            'jid': 'upload.localhost',
                            'name': 'HTTP File Upload'});
                        _converse.connection._dataRecv(test_utils.createRequest(stanza));

                        _converse.api.disco.entities.get().then(function (entities) {
                            expect(entities.length).toBe(2);
                            expect(entities.get('localhost').items.length).toBe(1);
                            return test_utils.waitUntil(function () {
                                // Converse.js sees that the entity has a disco#info feature,
                                // so it will make a query for it.
                                return _.filter(IQ_stanzas, function (iq) {
                                    return iq.nodeTree.querySelector('iq[to="upload.localhost"] query[xmlns="http://jabber.org/protocol/disco#info"]');
                                }).length > 0;
                            }, 300);
                        });
                    }).then(function () {
                        var stanza = _.filter(IQ_stanzas, function (iq) {
                            return iq.nodeTree.querySelector('iq[to="upload.localhost"] query[xmlns="http://jabber.org/protocol/disco#info"]');
                        })[0];
                        var IQ_id = IQ_ids[IQ_stanzas.indexOf(stanza)];
                        expect(stanza.toLocaleString()).toBe(
                            "<iq from='dummy@localhost/resource' to='upload.localhost' type='get' xmlns='jabber:client' id='"+IQ_id+"'>"+
                                "<query xmlns='http://jabber.org/protocol/disco#info'/>"+
                            "</iq>");

                        // Upload service responds and reports a maximum file size of 5MiB
                        /* <iq from='upload.montague.tld'
                         *     id='step_02'
                         *     to='romeo@montague.tld/garden'
                         *     type='result'>
                         * <query xmlns='http://jabber.org/protocol/disco#info'>
                         *     <identity category='store'
                         *             type='file'
                         *             name='HTTP File Upload' />
                         *     <feature var='urn:xmpp:http:upload:0' />
                         *     <x type='result' xmlns='jabber:x:data'>
                         *     <field var='FORM_TYPE' type='hidden'>
                         *         <value>urn:xmpp:http:upload:0</value>
                         *     </field>
                         *     <field var='max-file-size'>
                         *         <value>5242880</value>
                         *     </field>
                         *     </x>
                         * </query>
                         * </iq>
                         */
                        stanza = $iq({'type': 'result', 'to': 'dummy@localhost/resource', 'id': IQ_id, 'from': 'upload.localhost'})
                            .c('query', {'xmlns': 'http://jabber.org/protocol/disco#info'})
                                .c('identity', {'category':'store', 'type':'file', 'name':'HTTP File Upload'}).up()
                                .c('feature', {'var':'urn:xmpp:http:upload:0'}).up()
                                .c('x', {'type':'result', 'xmlns':'jabber:x:data'})
                                    .c('field', {'var':'FORM_TYPE', 'type':'hidden'})
                                        .c('value').t('urn:xmpp:http:upload:0').up().up()
                                    .c('field', {'var':'max-file-size'})
                                        .c('value').t('5242880');
                        _converse.connection._dataRecv(test_utils.createRequest(stanza));

                        _converse.api.disco.entities.get().then(function (entities) {
                            expect(entities.get('localhost').items.get('upload.localhost').identities.where({'category': 'store'}).length).toBe(1);
                            _converse.api.disco.supports(Strophe.NS.HTTPUPLOAD, _converse.domain).then(
                                function (result) {
                                    expect(result.length).toBe(1);
                                    expect(result[0].get('jid')).toBe('upload.localhost');
                                    done();
                                }
                            );
                        }).catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
                    })
                })
            }));
        });

        describe("When supported", function () {

            describe("A file upload toolbar button", function () {

                it("appears in private chats", mock.initConverseWithAsync(function (done, _converse) {
                    test_utils.waitUntilDiscoConfirmed(
                        _converse, _converse.domain,
                        [{'category': 'server', 'type':'IM'}],
                        ['http://jabber.org/protocol/disco#items'], [], 'info').then(function () {

                        test_utils.waitUntilDiscoConfirmed(_converse, _converse.domain, [], [], ['upload.localhost'], 'items').then(function () {
                            test_utils.waitUntilDiscoConfirmed(_converse, 'upload.localhost', [], [Strophe.NS.HTTPUPLOAD], []).then(function () {
                                test_utils.createContacts(_converse, 'current');
                                var contact_jid = mock.cur_names[2].replace(/ /g,'.').toLowerCase() + '@localhost';
                                test_utils.openChatBoxFor(_converse, contact_jid);
                                var view = _converse.chatboxviews.get(contact_jid);
                                test_utils.waitUntil(function () {
                                    return view.el.querySelector('.upload-file');
                                }, 150).then(function () {
                                    expect(view.el.querySelector('.chat-toolbar .upload-file')).not.toBe(null);
                                    done();
                                });
                            });
                        });
                    });
                }));

                it("appears in MUC chats", mock.initConverseWithAsync(function (done, _converse) {
                    done();
                }));
            });
        });
    });
}));