'use strict';

oml.ui.mainMenu = function() {

    var ui = oml.user.ui,
        findState = oml.getFindState(ui.find),
        fromMenu = false,

        that = Ox.MainMenu({
            extras: oml.readOnly ? [
                oml.$ui.loadingIcon = oml.ui.loadingIcon()
            ] : [
                oml.$ui.updateButton = oml.ui.updateButton(),
                oml.$ui.transferButton = oml.ui.transferButton(),
                oml.$ui.peersButton = oml.ui.peersButton(),
                oml.$ui.loadingIcon = oml.ui.loadingIcon()
            ],
            menus: [
                {
                    id: 'appMenu',
                    title: '<img src="/static/png/oml.png" style="width: 14px; height: 14px">',
                    items: [
                        {
                            id: 'about',
                            title: Ox._('About Open Media Library')
                        },
                        {},
                        {
                            id: 'faq',
                            title: Ox._('Frequently Asked Questions')
                        },
                        {
                            id: 'terms',
                            title: Ox._('Terms and Conditions')
                        },
                        {
                            id: 'development',
                            title: Ox._('Software Development')
                        },
                        {
                            id: 'contact',
                            title: Ox._('Send Feedback')
                        },
                    ].concat(oml.readOnly ? [] : [
                        {},
                        {
                            id: 'update',
                            title: Ox._('Software Update...')
                        },
                        {},
                        {
                            id: 'quit',
                            title: Ox._('Quit Open Media Library'),
                            keyboard: 'control q'
                        }
                    ])
                },
                {
                    id: 'userMenu',
                    title: Ox._('User'),
                    items: [
                        {
                            id: 'preferences',
                            title: Ox._('Preferences...'),
                            keyboard: 'control ,'
                        },
                    ].concat(oml.readOnly ? [] : [
                        {},
                        {
                            id: 'peers',
                            title: Ox._('Peers...')
                        },
                        {
                            id: 'transfers',
                            title: Ox._('Transfers...')
                        }
                    ])
                },
                getListMenu(),
                getEditMenu(),
                {
                    id: 'viewMenu',
                    title: Ox._('View'),
                    items: [
                        {
                            id: 'section',
                            title: Ox._('Section'),
                            items: [
                                {
                                    group: 'section',
                                    min: 1,
                                    max: 1,
                                    items: [
                                        {
                                            id: 'books',
                                            title: Ox._('Books'),
                                            checked: true
                                        },
                                        {
                                            id: 'music',
                                            title: Ox._('Music'),
                                            disabled: true
                                        },
                                        {
                                            id: 'movies',
                                            title: Ox._('Movies'),
                                            disabled: true
                                        }
                                    ]
                                }
                            ]
                        },
                        {},
                        {
                            id: 'listviewSubmenu',
                            title: Ox._('Books'),
                            items: [
                                {
                                    group: 'listview',
                                    min: 1,
                                    max: 1,
                                    items: [
                                        {
                                            id: 'list',
                                            title: Ox._('List'),
                                            checked: ui.listView == 'list'
                                        },
                                        {
                                            id: 'grid',
                                            title: Ox._('Grid'),
                                            checked: ui.listView == 'grid'
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            id: 'itemviewSubmenu',
                            title: Ox._('Book'),
                            items: [
                                {
                                    group: 'itemview',
                                    min: 1,
                                    max: 1,
                                    items: [
                                        {
                                            id: 'info',
                                            title: Ox._('Info'),
                                            checked: ui.itemView == 'info',
                                            disabled: !ui.item
                                        },
                                        {
                                            id: 'book',
                                            title: Ox._('Reader'),
                                            checked: ui.itemView == 'book',
                                            disabled: !ui.item
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            id: 'iconsSubmenu',
                            title: 'Icons',
                            items: [
                                {
                                    group: 'icons',
                                    min: 1,
                                    max: 1,
                                    items: [
                                        {
                                            id: 'cover',
                                            title: Ox._('Cover'),
                                            checked: ui.icons == 'cover'
                                        },
                                        {
                                            id: 'preview',
                                            title: Ox._('Preview'),
                                            checked: ui.icons == 'preview'
                                        }
                                    ]
                                },
                                {},
                                {
                                    id: 'showiconinfo',
                                    title: 'Show Icon Info',
                                    checked: ui.showIconInfo
                                },
                                {},
                                {
                                    group: 'iconinfo',
                                    min: 1,
                                    max: 1,
                                    items: [
                                        {
                                            id: 'extension',
                                            title: Ox._('Show Extension'),
                                            checked: ui.iconInfo == 'extension',
                                            disabled: !ui.showIconInfo
                                        },
                                        {
                                            id: 'size',
                                            title: Ox._('Show Size'),
                                            checked: ui.iconInfo == 'size',
                                            disabled: !ui.showIconInfo
                                        }
                                    ]
                                }
                            ]
                        },
                        {},
                        { 
                            id: 'showsidebar',
                            title: Ox._((ui.showSidebar ? 'Hide' : 'Show') + ' Sidebar'),
                            keyboard: 'shift s'
                        },
                        { 
                            id: 'showpeers',
                            title: Ox._((ui.showPeers ? 'Hide' : 'Show') + ' Peers'),
                            keyboard: 'shift p',
                            disabled: !ui.showSidebar
                        },
                        { 
                            id: 'showinfo',
                            title: Ox._((ui.showInfo ? 'Hide' : 'Show') + ' Info'),
                            keyboard: 'shift i',
                            disabled: !ui.showSidebar
                        },
                        { 
                            id: 'showfilters',
                            title: Ox._((ui.showFilters ? 'Hide' : 'Show') + ' Filters'),
                            keyboard: 'shift f',
                            disabled: !!ui.item 
                        },
                        { 
                            id: 'showbrowser',
                            title: Ox._((ui.showBrowser ? 'Hide': 'Show') + ' Browser'),
                            keyboard: 'shift b',
                            disabled: !ui.item
                        },
                        {
                            id: 'showannotations',
                            title: Ox._((ui.showAnnotations ? 'Hide' : 'Show') + ' Annotations'),
                            keyboard: 'shift a',
                            disabled: !ui.item
                        },
                        {},
                        {
                            id: 'preview',
                            title: Ox._('Show Preview'),
                            keyboard: 'space',
                            disabled: !!ui.item || !ui.listSelection.length
                        },
                        {
                            id: 'fullscreen',
                            title: Ox._('Enter Fullscreen'),
                            keyboard: 'shift alt f',
                            disabled: !ui.item || ui.itemView == 'info'
                        }
                    ]
                },
                {
                    id: 'sortMenu',
                    title: Ox._('Sort'),
                    items: [
                        {
                            id: 'sortitems',
                            title: Ox._('Sort Books by'),
                            items: [
                                {
                                    group: 'sort',
                                    title: Ox._('Sort Books by'),
                                    min: 1,
                                    max: 1,
                                    items: oml.config.sortKeys.map(function(key) {
                                        return {
                                            id: key.id,
                                            title: Ox._(key.title),
                                            checked: key.id == ui.listSort[0].key
                                        };
                                    })
                                }
                            ]
                        },
                        {
                            id: 'orderitems',
                            title: Ox._('Order Books'),
                            items: [
                                {
                                    group: 'order',
                                    min: 1,
                                    max: 1,
                                    items: [
                                        {
                                            id: 'ascending',
                                            title: Ox._('Ascending'),
                                            checked: ui.listSort[0].operator == '+'
                                        },
                                        {
                                            id: 'descending',
                                            title: Ox._('Descending'),
                                            checked: ui.listSort[0].operator == '-'
                                        }
                                    ],
                                }
                            ]
                        },
                        {
                            id: 'advancedsort',
                            title: Ox._('Advanced Sort'),
                            keyboard: 'shift control s',
                            disabled: true
                        },
                    ].concat(oml.readOnly ? [] : [
                        {},
                        {
                            id: 'sorttitles',
                            title: Ox._('Sort Titles...')
                        },
                        {
                            id: 'sortnames',
                            title: Ox._('Sort Names...')
                        }
                    ])
                },
                getFindMenu(),
                {
                    id: 'helpMenu',
                    title: Ox._('Help'),
                    items: [
                        {
                            id: 'help',
                            title: Ox._('Help...'),
                            keyboard: 'control ?'
                        },
                        {},
                        {
                            id: 'documentation',
                            title: Ox._('API Documentation...'),
                            keyboard: 'shift control ?'
                        }
                    ]
                },
                {
                    id: 'debugMenu',
                    title: Ox._('Debug'),
                    items: [
                        {
                            id: 'debugmode',
                            title: Ox._((
                                oml.localStorage('enableDebugMode')
                                ? 'Disable' : 'Enable'
                            ) + ' Debug Mode'),
                        },
                        {
                            id: 'eventlogging',
                            title: Ox._((
                                oml.localStorage('enableEventLogging')
                                ? 'Disable' : 'Enable'
                            ) + ' Event Logging'),
                        },
                        {},
                        {
                            id: 'changelog',
                            title: Ox._('Change Log...')
                        },
                        {
                            id: 'errorlog',
                            title: Ox._('Error Log...')
                        }
                    ]
                }
            ]
        })
        .bindEvent({
            change: function(data) {
                var id = data.id,
                    value = Ox.isBoolean(data.checked)
                        ? data.checked : data.checked[0].id;
                if (id == 'listview') {
                    oml.UI.set({listView: value});
                } else if (id == 'itemview') {
                    oml.UI.set({itemView: value});
                } else if (id == 'icons') {
                    oml.UI.set({icons: value});
                } else if (id == 'icons') {
                    oml.UI.set({icons: value});
                } else if (id == 'showiconinfo') {
                    oml.UI.set({showIconInfo: value});
                } else if (id == 'iconinfo') {
                    oml.UI.set({iconInfo: value});
                } else if (id == 'sort') {
                    oml.UI.set({
                        listSort: [{
                            key: value,
                            operator: oml.getSortOperator(value)
                        }]
                    });
                } else if (id == 'order') {
                    oml.UI.set({
                        listSort: [{
                            key: ui.listSort[0].key,
                            operator: value == 'ascending' ? '+' : '-'
                        }]
                    });
                } else if (id == 'findin') {
                    oml.$ui.findInSelect.value(value);
                    if (ui._findState.key == 'advanced') {
                        // ...
                    } else {
                        oml.$ui.findInput.focusInput(true);
                    }
                } else if (id == 'find') {
                    if (value) {
                        oml.$ui.findSelect.value(value);
                        if (ui._findState.key == 'advanced') {
                            // fixme: autocomplete function doesn't get updated
                            oml.$ui.findInput.options({placeholder: ''});
                        } else {
                            oml.$ui.findInput.focusInput(true);
                        }
                    } 
                } else {
                    Ox.print('MAIN MENU DOES NOT YET HANDLE', id, data);
                }
            },
            click: function(data) {
                var id = data.id;
                if (Ox.contains([
                    'about', 'faq', 'terms', 'development', 'contact', 'update'
                ], id)) {
                    oml.UI.set({page: id});
                } else if (id == 'quit') {
                    oml.api.quit();
                } else if (id == 'preferences') {
                    oml.UI.set({page: 'preferences'});
                } else if (id == 'peers') {
                    oml.UI.set({page: 'peers'});
                } else if (id == 'transfers') {
                    oml.UI.set({page: 'transfers'});
                } else if (id == 'alllibraries') {
                    if (!ui._list) {
                        oml.UI.set({item: ''});
                    } else {
                        oml.UI.set({find: {
                            conditions: [],
                            operator: '&'
                        }});
                    }
                } else if (id == 'thislibrary') {
                    if (Ox.endsWith(ui._list, ':')) {
                        oml.UI.set({item: ''});
                    } else {
                        oml.UI.set({find: {
                            conditions: [{
                                key: 'list',
                                operator: '==',
                                value: ui._list.split(':')[0] + ':'
                            }],
                            operator: '&'
                        }});
                    }
                } else if (id == 'thislist') {
                    oml.UI.set({item: ''});
                } else if (Ox.contains([
                    'newlist', 'newlistfromselection',
                    'newsmartlist', 'newsmartlistfromresults'
                ], id)) {
                    oml.addList(Ox.contains(id, 'smart'), Ox.contains(id, 'from'));
                } else if (id == 'duplicatelist') {
                    oml.addList(ui._list);
                } else if (id == 'delete') {
                    var listData = oml.getListData();
                    if (listData.editable && listData.type == 'static') {
                        oml.doHistory('delete', ui.listSelection, ui._list, function() {
                            oml.UI.set({listSelection: []});
                            oml.reloadLists();
                        });
                    }
                } else if (id == 'deletefromlibrary') {
                    oml.ui.deleteItemsDialog().open();
                } else if (id == 'editlist') {
                    oml.ui.listDialog().open()
                } else if (id == 'deletelist') {
                    oml.ui.deleteListDialog().open();
                } else if (id == 'import') {
                    oml.UI.set({page: 'import'});
                } else if (id == 'export') {
                    oml.UI.set({page: 'export'});
                } else if (id == 'selectall') {
                    oml.$ui.list.selectAll();
                } else if (id == 'selectnone') {
                    oml.UI.set({listSelection: []});
                } else if (id == 'invertselection') {
                    oml.$ui.list.invertSelection();
                } else if (id == 'download') {
                    if (oml.readOnly) {
                        document.location.href = '/' + ui.listSelection[0] + '/get/'
                    } else {
                        oml.api.addListItems({
                            items: ui.listSelection.filter(function(id) {
                                return oml.$ui.list.value(id, 'mediastate') == 'unavailable';
                            }),
                            list: ':'
                        }, function(result) {
                            Ox.Request.clearCache();
                            // FIXME: reload?
                        });
                    }
                } else if (Ox.contains(['cut', 'cutadd'], id)) {
                    var action = data.id == 'cut' ? 'copy' : 'add';
                    fromMenu = true;
                    oml.clipboard[action](ui.listSelection, 'item');
                    oml.doHistory('cut', ui.listSelection, ui._list, function() {
                        oml.UI.set({listSelection: []});
                        oml.reloadLists();
                    });
                } else if (Ox.contains(['copy', 'copyadd'], id)) {
                    var action = data.id == 'copy' ? 'copy' : 'add';
                    fromMenu = true;
                    oml.clipboard[action](ui.listSelection, 'item');
                } else if (id == 'paste') {
                    var items = oml.clipboard.paste();
                    oml.doHistory('paste', items, ui._list, function() {
                        oml.UI.set({listSelection: items});
                        oml.reloadLists();
                    });
                } else if (data.id == 'clearclipboard') {
                    oml.clipboard.clear();
                } else if (data.id == 'delete') {
                    oml.doHistory('delete', ui.listSelection, ui._list, function() {
                        oml.UI.set({listSelection: []});
                        oml.reloadLists();
                    });
                } else if (data.id == 'editmetadata') {
                    oml.$ui.editDialog = oml.ui.editDialog().open();
                } else if (data.id == 'undo') {
                    fromMenu = true;
                    oml.undoHistory();
                } else if (data.id == 'redo') {
                    fromMenu = true;
                    oml.redoHistory();
                } else if (id == 'clearhistory') {
                    fromMenu = true;
                    oml.history.clear();
                } else if (id == 'showsidebar') {
                    oml.UI.set({showSidebar: !ui.showSidebar});
                } else if (id == 'showpeers') {
                    oml.UI.set({showPeers: !ui.showPeers});
                } else if (id == 'showinfo') {
                    oml.UI.set({showInfo: !ui.showInfo});
                } else if (id == 'showfilters') {
                    oml.UI.set({showFilters: !ui.showFilters});
                } else if (id == 'showbrowser') {
                    oml.UI.set({showBrowser: !ui.showBrowser});
                } else if (id == 'showannotations') {
                    oml.UI.set({showAnnotations: !ui.showAnnotations});
                } else if (id == 'preview') {
                    that.setItemTitle(
                        'preview',
                        data.title == Ox._('Show Preview')
                        ? Ox._('Hide Preview') : Ox._('Show Preview')
                    );
                    oml.$ui.list[
                        data.title == Ox._('Show Preview')
                        ? 'openPreview' : 'closePreview'
                    ]();
                } else if (id == 'fullscreen') {
                    Ox.Fullscreen.enter(oml.$ui.viewer[0]);
                } else if (id == 'debugmode') {
                    if (oml.localStorage('enableDebugMode')) {
                        oml.localStorage['delete']('enableDebugMode');
                    } else {
                        oml.localStorage('enableDebugMode', true);
                    }
                    window.location.reload();
                } else if (id == 'sortnames') {
                    (oml.$ui.namesDialog || (
                        oml.$ui.namesDialog = oml.ui.namesDialog()
                    )).open();
                } else if (id == 'sorttitles') {
                    (oml.$ui.titlesDialog || (
                        oml.$ui.titlesDialog = oml.ui.titlesDialog()
                    )).open();
                } else if (id == 'advancedfind') {
                    oml.$ui.findDialog = oml.ui.findDialog().open();
                } else if (id == 'help') {
                    oml.UI.set({page: 'help'});
                } else if (id == 'documentation') {
                    oml.UI.set({page: 'documentation'});
                } else {
                    Ox.print('MAIN MENU DOES NOT YET HANDLE', id);
                }
            },
            oml_find: function() {
                that.replaceMenu('listMenu', getListMenu());
                that.replaceMenu('editMenu', getEditMenu());
                that.replaceMenu('findMenu', getFindMenu());
            },
            oml_iconinfo: function(data) {
                // ...
            },
            oml_icons: function(data) {
                that.checkItem('viewMenu_iconsSubmenu_' + data.value);
            },
            oml_item: function(data) {
                if (!!data.value != !!data.previousValue) {
                    that[data.value ? 'enableItem' : 'disableItem']('info');
                    that[data.value ? 'enableItem' : 'disableItem']('book');
                    that[data.value ? 'disableItem' : 'enableItem']('showfilters');
                    that[data.value ? 'enableItem' : 'disableItem']('showbrowser');
                    that[data.value ? 'enableItem' : 'disableItem']('showannotations');
                }
            },
            oml_itemview: function(data) {
                that.checkItem('viewMenu_itemviewSubmenu_' + data.value);
                that[data.value == 'book' ? 'enableItem' : 'disableItem']('fullscreen');
            },
            oml_listselection: function(data) {
                that.replaceMenu('listMenu', getListMenu());
                that.replaceMenu('editMenu', getEditMenu());
                that[!ui.item && data.value.length ? 'enableItem' : 'disableItem']('preview');
            },
            oml_listsort: function(data) {
                that.checkItem('sortMenu_sortitems_' + data.value[0].key);
                that.checkItem('sortMenu_orderitems_' + (
                    data.value[0].operator == '+' ? 'ascending' : 'descending')
                );
            },
            oml_listview: function(data) {
                that.checkItem('viewMenu_listviewSubmenu_' + data.value);
            },
            oml_showannotations: function(data) {
                that.setItemTitle('showannotations', Ox._((data.value ? 'Hide' : 'Show') + ' Annotations'));
            },
            oml_showbrowser: function(data) {
                that.setItemTitle('showbrowser', Ox._((data.value ? 'Hide' : 'Show') + ' Browser'));
            },
            oml_showfilters: function(data) {
                that.setItemTitle('showfilters', Ox._((data.value ? 'Hide' : 'Show') + ' Filters'));
            },
            oml_showiconinfo: function(data) {
                var action = data.value ? 'enableItem' : 'disableItem';
                that[action]('viewMenu_iconsSubmenu_extension');
                that[action]('viewMenu_iconsSubmenu_size');
            },
            oml_showpeers: function(data) {
                that.setItemTitle('showpeers', Ox._((data.value ? 'Hide' : 'Show') + ' Peers'));
            },
            oml_showinfo: function(data) {
                that.setItemTitle('showinfo', Ox._((data.value ? 'Hide' : 'Show') + ' Info'));
            },
            oml_showsidebar: function(data) {
                that.setItemTitle('showsidebar', Ox._((data.value ? 'Hide' : 'Show') + ' Sidebar'));
                that[data.value ? 'enableItem' : 'disableItem']('showinfo');
                that[data.value ? 'enableItem' : 'disableItem']('showpeers');
            },
        });
    Ox.Event.bind({
        key_alt_shift_f: function() {
            if (ui.item && ui.itemView == 'book') {
                Ox.Fullscreen.enter(oml.$ui.viewer.find('iframe')[0]);
            }
        },
        key_backtick: function() {
            changeFocus(1);
        },
        key_control_comma: function() {
            if (!oml.hasDialogOrScreen()) {
                oml.UI.set({page: 'preferences'});
            }
        },
        key_control_e: function() {
            if (
                !oml.hasDialogOrScreen()
                && ui.listSelection.length
                && !oml.getListData().user
            ) {
                oml.$ui.editDialog = oml.ui.editDialog().open()
            }
        },
        key_control_f: function() {
            if (!oml.hasDialogOrScreen()) {
                if (ui._findState.key != 'advanced') {
                    setTimeout(function() {
                        oml.$ui.findInput.focusInput(true);
                    });
                } else {
                    oml.$ui.findDialog = oml.ui.findDialog().open();
                }
            }
        },
        key_control_m: function() {
            if (!oml.hasDialogOrScreen() && !that.isSelected()) {
                that.options('menus')[0].element.trigger('click');
            }
        },
        key_control_shift_f: function() {
            if (!oml.hasDialogOrScreen()) {
                oml.$ui.findDialog = oml.ui.findDialog().open();
            }
        },
        key_control_slash: function() {
            if (!oml.hasDialogOrScreen()) {
                oml.UI.set({page: 'documentation'});
            }
        },
        key_control_shift_w: function() {
            if (!oml.hasDialogOrScreen()) {
                oml.UI.set({
                    find: oml.config.user.ui.find,
                    item: ''
                });
            }
        },
        key_control_shift_z: function() {
            oml.redoHistory();
        },
        key_control_slash: function() {
            if (!oml.hasDialogOrScreen()) {
                oml.UI.set({page: 'help'});
            }
        },
        key_control_w: function() {
            if (!oml.hasDialogOrScreen()) {
                oml.UI.set({item: ''});
            }
        },
        key_control_z: function() {
            oml.undoHistory();
        },
        key_shift_a: function() {
            ui.item && oml.UI.set({showAnnotations: !ui.showAnnotations});
        },
        key_shift_b: function() {
            ui.item && oml.UI.set({showBrowser: !ui.showBrowser});
        },
        key_shift_f: function() {
            !ui.item && oml.UI.set({showFilters: !ui.showFilters});
        },
        key_shift_p: function(event, name, target) {
            // FIXME: event triggers twice
            if (target.hasClass('OxFocus')) {
                ui.showSidebar && oml.UI.set({showPeers: !ui.showPeers});
            }
        },
        key_shift_i: function(event, name, target) {
            // FIXME: event triggers twice
            if (target.hasClass('OxFocus')) {
                ui.showSidebar && oml.UI.set({showInfo: !ui.showInfo});
            }
        },
        key_shift_s: function() {
            oml.UI.set({showSidebar: !ui.showSidebar});
        }
    });
    setTimeout(oml.updateDebugMenu);

    function getEditMenu() {
        var listData = oml.getListData(),
            isLocal = listData.user === '' && listData.type != 'smart',
            selectionItems = ui.listSelection.length,
            availableItems = isLocal
                ? selectionItems
                : oml.$ui.list
                ? ui.listSelection.filter(function(id) {
                    return oml.$ui.list.value(id, 'mediastate') == 'available';
                }).length
                : 0,
            unavailableItems = selectionItems - availableItems,
            selectionItemName = (
                selectionItems > 1 ? Ox.formatNumber(selectionItems) + ' ' : ''
            ) + Ox._(selectionItems == 1 ? 'Book' : 'Books'),
            downloadItemName = (
                selectionItems > 1 && unavailableItems ? Ox.formatNumber(unavailableItems) + ' ' + (
                    availableItems ? ' of ' + Ox.formatNumber(selectionItems) + ' ' : ''
                ) : '') + Ox._(selectionItems == 1 ? 'Book' : 'Books'),
            editItemName = (
                selectionItems > 1 && availableItems ? Ox.formatNumber(availableItems) + ' ' + (
                    unavailableItems ? ' of ' + Ox.formatNumber(selectionItems) + ' ' : ''
                ) : '') + Ox._(selectionItems == 1 ? 'Book' : 'Books'),
            clipboardItems = oml.clipboard.items(),
            clipboardType = oml.clipboard.type(),
            clipboardItemName = !clipboardItems ? ''
                : (
                    clipboardItems > 1 ? Ox.formatNumber(clipboardItems) + ' ' : ''
                ) + Ox._(clipboardItems == 1 ? 'Book' : 'Books'),
            canSelect = !ui.item,
            canDownload = !!unavailableItems || (oml.readOnly && selectionItems == 1),
            canCopy = canSelect && selectionItems,
            canCut = canCopy && listData.editable,
            canPaste = listData.editable && clipboardItems,
            canAdd = canCopy && clipboardItems && clipboardType == 'book',
            canDelete = !!availableItems,
            canEdit = !!availableItems,
            historyItems = oml.history.items(),
            undoText = oml.history.undoText(),
            redoText = oml.history.redoText();
        if (!isLocal && !oml.$ui.list) {
            oml._updateEditMenu = true;
        }
        return {
            id: 'editMenu',
            title: Ox._('Edit'),
            items: [].concat(oml.readOnly ? [] : [
                {
                    id: 'import',
                    title: Ox._(oml.user.importing ? 'Importing Books...' : 'Import Books...') // FIXME
                },
                {
                    id: 'export',
                    title: Ox._(oml.user.exporting ? 'Exporting Books...' : 'Export Books...') // FIXME
                },
                {},
            ]).concat([
                {
                    id: 'selectall',
                    title: Ox._('Select All'),
                    disabled: !canSelect,
                    keyboard: 'control a'
                },
                {
                    id: 'selectnone',
                    title: Ox._('Select None'),
                    disabled: !canSelect,
                    keyboard: 'shift control a'
                },
                {
                    id: 'invertselection',
                    title: Ox._('Invert Selection'),
                    disabled: !canSelect,
                    keyboard: 'alt control a'
                },
                {},
                {
                    id: 'download',
                    title: Ox._('Download {0}', [downloadItemName]),
                    disabled: !canDownload,
                    keyboard: 'control d'
                },
            ]).concat(oml.readOnly ? [] : [
                {
                    id: 'cut',
                    title: Ox._('Cut {0}', [selectionItemName]),
                    disabled: !canCut,
                    keyboard: 'control x'
                },
                {
                    id: 'cutadd',
                    title: Ox._('Cut and Add to Clipboard'),
                    disabled: !canCut || !canAdd,
                    keyboard: 'shift control x'
                },
                {
                    id: 'copy',
                    title: Ox._('Copy {0}', [selectionItemName]),
                    disabled: !canCopy,
                    keyboard: 'control c'
                },
                {
                    id: 'copyadd',
                    title: Ox._('Copy and Add to Clipboard'),
                    disabled: !canCopy || !canAdd,
                    keyboard: 'shift control c'
                },
                {
                    id: 'paste',
                    title: !clipboardItems ? Ox._('Paste') : Ox._('Paste {0}', [clipboardItemName]),
                    disabled: !canPaste,
                    keyboard: 'control v'
                },
                {
                    id: 'clearclipboard',
                    title: Ox._('Clear Clipboard'),
                    disabled: !clipboardItems
                },
                {},
                {
                    id: 'delete',
                    title: Ox._('Delete {0} from List', [selectionItemName]),
                    disabled: !canCut,
                    keyboard: 'delete'
                },
                {
                    id: 'deletefromlibrary',
                    title: Ox._('Delete {0} from Library...', [editItemName]),
                    disabled: !canDelete,
                    keyboard: 'control delete'
                },
                {},
                {
                    id: 'editmetadata',
                    title: Ox._('Edit Metadata for {0}', [editItemName]),
                    disabled: !canEdit || ui.item,
                    keyboard: 'control e'
                },
                {},
                {
                    id: 'undo',
                    title: undoText ? Ox._('Undo {0}', [undoText]) : Ox._('Undo'),
                    disabled: !undoText,
                    keyboard: 'control z'
                },
                {
                    id: 'redo',
                    title: redoText ? Ox._('Redo {0}', [redoText]) : Ox._('Redo'),
                    disabled: !redoText,
                    keyboard: 'shift control z'
                },
                {
                    id: 'clearhistory',
                    title: Ox._('Clear History'),
                    disabled: !historyItems,
                }
            ])
        };
    }

    function getFindMenu() {
        var isLibraries = !ui._list,
            isLibrary = Ox.endsWith(ui._list, ':'),
            isList = !isLibraries && !isLibrary;
        return {
            id: 'findMenu',
            title: Ox._('Find'),
            items: [
                {
                    id: 'findlists',
                    title: Ox._('Find In'),
                    items: [
                        {
                            group: 'findin',
                            min: 1,
                            max: 1,
                            items: [
                                {id: 'all', title: Ox._('All Libraries'), checked: isLibraries}
                            ].concat(!isLibraries ? [
                                {id: 'user', title: Ox._('This Library'), checked: isLibrary}
                            ] : []).concat(isList ? [
                                {id: 'list', title: Ox._('This List'), checked: isList}
                            ] : [])
                        }
                    ]
                },
                {
                    id: 'finditems',
                    title: Ox._('Find'),
                    items: [
                        {
                            group: 'find',
                            min: 1,
                            max: 1,
                            items: oml.config.findKeys.map(function(key) {
                                var checked = key.id == findState.key;
                                return {
                                    id: key.id,
                                    title: Ox._(key.title),
                                    checked: checked,
                                    keyboard: checked ? 'control f' : ''
                                };
                            })
                        },
                    ]

                },
                {
                    id: 'advancedfind',
                    title: Ox._('Advanced Find'),
                    keyboard: 'shift control f'
                }
            ]
        };
    }

    function getListMenu() {
        var isLibraries = !ui._list,
            isLibrary = Ox.endsWith(ui._list, ':'),
            isList = !isLibraries && !isLibrary,
            isOwnList = ui._list[0] == ':',
            isInbox = ui._list == ':Inbox';

        if (oml.readOnly) {
            return {
                id: 'listMenu',
                title: Ox._('List'),
                items: []
            };
        }
        return {
            id: 'listMenu',
            title: Ox._('List'),
            items: [].concat(!isLibraries || ui.item ? [
                {
                    id: 'alllibraries',
                    title: Ox._('All Libraries'),
                    keyboard: 'shift control w'
                }
            ] : []).concat(isList || (isLibrary && ui.item) ? [
                {
                    id: 'thislibrary',
                    title: Ox._('This Library'),
                    keyboard: isLibrary ? 'control w' : ''
                }
            ] : []).concat(isList && ui.item ? [
                {
                    id: 'thislist',
                    title: Ox._('This List'),
                    keyboard: isList ? 'control w' : ''
                }
            ] : []).concat(!isLibraries || ui.item ? [
                {},
            ] : []).concat([
                {
                    id: 'newlist',
                    title: Ox._('New List...'),
                    keyboard: 'control n'
                },
                {
                    id: 'newlistfromselection',
                    title: Ox._('New List from Selection...'),
                    keyboard: 'shift control n',
                    disabled: !ui.listSelection.length
                },
                {
                    id: 'newsmartlist',
                    title: Ox._('New Smart List...'),
                    keyboard: 'alt control n'
                },
                {
                    id: 'newsmartlistfromresults',
                    title: Ox._('New Smart List from Results...'),
                    keyboard: 'shift alt control n'
                },
                {},
                {
                    id: 'duplicatelist',
                    title: Ox._('Duplicate List...'),
                    disabled: !isList
                },
                {
                    id: 'editlist',
                    title: Ox._('Edit List...'),
                    keyboard: 'return',
                    disabled: !isList || !isOwnList || isInbox
                },
                {
                    id: 'deletelist',
                    title: Ox._('Delete List...'),
                    keyboard: 'delete',
                    disabled: !isList || !isOwnList || isInbox
                }
            ])
        };
    }

    oml.clipboard.bindEvent(function(data, event) {
        if (Ox.contains(['add', 'copy', 'clear'], event)) {
            that.replaceMenu('editMenu', getEditMenu());
        }
        if (Ox.contains(['add', 'copy', 'paste'], event) && !fromMenu) {
            that.highlightMenu('editMenu');
        }
        fromMenu = false;
    });

    oml.history.bindEvent(function(data, event) {
        that.replaceMenu('editMenu', getEditMenu());
        if (Ox.contains(['undo', 'redo'], event) && !fromMenu) {
            that.highlightMenu('editMenu');
        }
        fromMenu = false;
    });

    that.updateElement = function(menu) {
        (
            menu ? Ox.makeArray(menu) : ['listMenu', 'editMenu', 'findMenu']
        ).forEach(function(menu) {
            that.replaceMenu(
                menu,
                menu == 'listMenu' ? getListMenu()
                    : menu == 'editMenu' ? getEditMenu()
                    : getFindMenu()
            );
        });
        return that;
    };

    return that;

};