(function ($, document) {

    var defaultFirstSection = 'smalllibrarytiles';

    function getDefaultSection(index) {

        switch (index) {

            case 0:
                return defaultFirstSection;
            case 1:
                return 'resume';
            case 2:
                return 'latestmedia';
            case 3:
                return 'latesttvrecordings';
            default:
                return '';
        }

    }

    function loadSection(page, user, displayPreferences, index) {

        var userId = user.Id;

        var section = displayPreferences.CustomPrefs['home' + index] || getDefaultSection(index);

        if (section == 'folders') {
            section = defaultFirstSection;
        }

        var showLibraryTileNames = displayPreferences.CustomPrefs.enableLibraryTileNames != '0';

        var elem = page.querySelector('.section' + index);

        if (section == 'latestmedia') {
            return Sections.loadRecentlyAdded(elem, user);
        }
        else if (section == 'librarytiles') {
            return Sections.loadLibraryTiles(elem, user, 'backdrop', index, false, showLibraryTileNames);
        }
        else if (section == 'smalllibrarytiles') {
            return Sections.loadLibraryTiles(elem, user, 'homePageSmallBackdrop', index, false, showLibraryTileNames);
        }
        else if (section == 'smalllibrarytiles-automobile') {
            return Sections.loadLibraryTiles(elem, user, 'homePageSmallBackdrop', index, true, showLibraryTileNames);
        }
        else if (section == 'librarytiles-automobile') {
            return Sections.loadLibraryTiles(elem, user, 'backdrop', index, true, showLibraryTileNames);
        }
        else if (section == 'librarybuttons') {
            return Sections.loadlibraryButtons(elem, userId, index);
        }
        else if (section == 'resume') {
            return Sections.loadResume(elem, userId);
        }

        else if (section == 'latesttvrecordings') {
            return Sections.loadLatestLiveTvRecordings(elem, userId);
        }
        else if (section == 'latestchannelmedia') {
            return Sections.loadLatestChannelMedia(elem, userId);

        } else {

            elem.empty();

            var deferred = DeferredBuilder.Deferred();
            deferred.resolve();
            return deferred.promise();
        }
    }

    function loadSections(page, user, displayPreferences) {

        var i, length;
        var sectionCount = 4;

        var elem = page.querySelector('.sections');

        if (!elem.innerHTML.length) {
            var html = '';
            for (i = 0, length = sectionCount; i < length; i++) {

                html += '<div class="homePageSection section' + i + '"></div>';
            }

            elem.innerHTML = html;
        }

        var promises = [];

        for (i = 0, length = sectionCount; i < length; i++) {

            promises.push(loadSection(page, user, displayPreferences, i));
        }

        return $.when(promises);
    }

    var homePageDismissValue = '14';
    var homePageTourKey = 'homePageTour';

    function dismissWelcome(page, userId) {

        getDisplayPreferences('home', userId).done(function (result) {

            result.CustomPrefs[homePageTourKey] = homePageDismissValue;
            ApiClient.updateDisplayPreferences('home', result, userId, getDisplayPreferencesAppName());
        });
    }

    function showWelcomeIfNeeded(page, displayPreferences) {

        if (displayPreferences.CustomPrefs[homePageTourKey] == homePageDismissValue) {
            $('.welcomeMessage', page).hide();
        } else {

            Dashboard.hideLoadingMsg();

            var elem = $('.welcomeMessage', page).show();

            if (displayPreferences.CustomPrefs[homePageTourKey]) {

                $('.tourHeader', elem).html(Globalize.translate('HeaderWelcomeBack'));
                $('.tourButtonText', elem).html(Globalize.translate('ButtonTakeTheTourToSeeWhatsNew'));

            } else {

                $('.tourHeader', elem).html(Globalize.translate('HeaderWelcomeToProjectWebClient'));
                $('.tourButtonText', elem).html(Globalize.translate('ButtonTakeTheTour'));
            }
        }
    }

    function takeTour(page, userId) {

        Dashboard.loadSwipebox().done(function () {

            $.swipebox([
                    { href: 'css/images/tour/web/tourcontent.jpg', title: Globalize.translate('WebClientTourContent') },
                    { href: 'css/images/tour/web/tourmovies.jpg', title: Globalize.translate('WebClientTourMovies') },
                    { href: 'css/images/tour/web/tourmouseover.jpg', title: Globalize.translate('WebClientTourMouseOver') },
                    { href: 'css/images/tour/web/tourtaphold.jpg', title: Globalize.translate('WebClientTourTapHold') },
                    { href: 'css/images/tour/web/tourmysync.png', title: Globalize.translate('WebClientTourMySync') },
                    { href: 'css/images/tour/web/toureditor.png', title: Globalize.translate('WebClientTourMetadataManager') },
                    { href: 'css/images/tour/web/tourplaylist.png', title: Globalize.translate('WebClientTourPlaylists') },
                    { href: 'css/images/tour/web/tourcollections.jpg', title: Globalize.translate('WebClientTourCollections') },
                    { href: 'css/images/tour/web/tourusersettings1.png', title: Globalize.translate('WebClientTourUserPreferences1') },
                    { href: 'css/images/tour/web/tourusersettings2.png', title: Globalize.translate('WebClientTourUserPreferences2') },
                    { href: 'css/images/tour/web/tourusersettings3.png', title: Globalize.translate('WebClientTourUserPreferences3') },
                    { href: 'css/images/tour/web/tourusersettings4.png', title: Globalize.translate('WebClientTourUserPreferences4') },
                    { href: 'css/images/tour/web/tourmobile1.jpg', title: Globalize.translate('WebClientTourMobile1') },
                    { href: 'css/images/tour/web/tourmobile2.png', title: Globalize.translate('WebClientTourMobile2') },
                    { href: 'css/images/tour/enjoy.jpg', title: Globalize.translate('MessageEnjoyYourStay') }
            ], {
                afterClose: function () {
                    dismissWelcome(page, userId);
                    $('.welcomeMessage', page).hide();
                },
                hideBarsDelay: 30000
            });
        });
    }

    $(document).on('pageinitdepends', "#indexPage", function () {

        var page = this;

        Events.on(page.querySelector('.btnTakeTour'), 'click', function () {
            takeTour(page, Dashboard.getCurrentUserId());
        });

    }).on('pagebeforeshowready', "#indexPage", function () {

        var args = arguments;
        var page = this;

        if (window.ApiClient) {
            var userId = Dashboard.getCurrentUserId();

            Dashboard.showLoadingMsg();

            getDisplayPreferences('home', userId).done(function (result) {

                Dashboard.getCurrentUser().done(function (user) {

                    loadSections(page, user, result).done(function () {

                        if (!AppInfo.isNativeApp) {
                            showWelcomeIfNeeded(page, result);
                        }
                        Dashboard.hideLoadingMsg();
                    });

                });
            });
        }

    });

    function getDisplayPreferencesAppName() {

        if (AppInfo.isNativeApp) {
            return 'Emby Mobile';
        }

        return 'webclient';
    }

    function getDisplayPreferences(key, userId) {

        return ApiClient.getDisplayPreferences(key, userId, getDisplayPreferencesAppName()).done(function (result) {

        });
    }

})(jQuery, document);