pandora.utils = {};

pandora.utils.updateFolderMenus = function() {
    //Ox.print("updateFolderMenus called");
    $(".OxAnnotationFolder").each(function() {
        //Ox.print("each");
        var $this = $(this);
        var $bar = $this.children().eq(0);
        var title = $bar.find(".OxTitle").text();
        var $extras = $bar.find(".OxExtras");
        $extras.empty();
        //Ox.print($extras);
        var disabled = title == pandora.$ui.selectAnnotationType.value();
        var $folderMenuButton = Ox.MenuButton({
            'title': 'edit',
            'type': 'image',
            'style': 'symbol',
            'tooltip': 'Add Layer',
            'items': [
                {
                    'id': 'editSRT',
                    'title': 'Edit this layer',
                    'disabled': disabled
                },
                {
                    'id': 'exportSRT',
                    'title': 'Export SRT for this layer'

                },
                {},
                {
                    'id': 'removeSRT',
                    'title': 'Remove this layer'
                }
            ]
        }).appendTo($extras).bindEvent("click", function(data) {
            Ox.print(data.id);
            if (data.id == 'editSRT') {
                pandora.$ui.selectAnnotationType.value(title);
                var storage = pandora.$ui.textArea.storage;
                var txt = pandora.storage(storage)[title];
                pandora.$ui.textArea.value(txt);
                pandora.utils.updateFolderMenus();                
            } else if (data.id == 'exportSRT') {

            } else if (data.id == 'removeSRT') {
                var storageData = pandora.storage(pandora.$ui.textArea.storage);
                if (Object.keys(storageData).length == 1) {
                    alert("Cannot remove the only annotation layer");
                    return;    
                }
                if (confirm("Are you sure you wish to permanently delete this annotation track?")) {
                    pandora.$ui.annotationsPanel.removeLayer(title);
                    delete(storageData[title]);
                    pandora.storage(pandora.$ui.textArea.storage, currStorage);
                    var newTitle = Object.keys(storageData)[0];
                    var txt = storageData[newTitle];
                    pandora.$ui.selectAnnotationType.value(newTitle);
                    pandora.$ui.textArea.value(txt);    
                }

            }
        });
    });
};

pandora.utils.getUntitledName = function(name) {
    var currStorage = pandora.storage(pandora.$ui.textArea.storage);
//    var keys = Object.keys(currStorage);
//    console.log(keys);
    var title = name || "untitled";
    var i = 1;
    while (currStorage.hasOwnProperty(title)) {
        title = title + "-" + i;
        i++;
    };
    return title;    
};

pandora.utils.loadLocalFile = function(file) {
    Ox.oshash(file, function(oshash) {
        //console.log(oshash);
        var url = window.URL.createObjectURL(file);
        var options = {
            'type': 'local',
            'url': url,
            'name': oshash,
            'title': file.name
        }
        pandora.$ui.textArea.speedtrans.load(options);
    });
};

pandora.utils.commonKeyboardEvents = {
    key_control_up: function() {
        Ox.print("ctrl left");
        pandora.$ui.videoPlayer.seek(-1);
    },
    key_control_down: function() {
        Ox.print("ctrl right");
        pandora.$ui.videoPlayer.seek(1);
    },
    key_control_shift_up: function() {
        pandora.$ui.videoPlayer.seek(-0.040);
    },
    key_control_shift_down: function() {
        pandora.$ui.videoPlayer.seek(0.040);
    },
    key_control_space: function() {
        pandora.$ui.videoPlayer.options("paused", !pandora.$ui.videoPlayer.options("paused"));
        pandora.$ui.textArea.find("textarea").focus(); //FIXME
    },
    key_control_shift_s: function() {
        pandora.$ui.textArea.speedtrans.save();
    }
}