'use strict';

/*@
Ox.JQueryElement <f> Wrapper for jQuery
    ($element) -> <object> Wrapped jQuery DOM element
    $element <object> jQuery DOM Element
@*/
Ox.JQueryElement = function($element) {
    var that = this;
    //@ id <number> Unique id
    that.id = Ox.uid(); // fixme: rename to oxid!
    //@ ox <string> OxJS version
    that.ox = Ox.VERSION; // fixme: remove!
    //@ $element <object> The jQuery-wrapped DOM element
    that.$element = $element.data({
        oxid: that.id
    });
    // FIXME: the following two lines should make it possible to do
    // $('<div>').appendTo($element) ... check if it works, then replace all
    //@ 0 <element> The DOM element
    that[0] = that.$element[0];
    //@ length <number> 1 (for compatibility with jQuery)
    that.length = 1;
    Ox.UI.elements[that.id] = that;
    return that;
};

// add all jQuery functions to the prototype of Ox.JQueryElement
Ox.methods($('<div>'), true).forEach(function(method) {
    Ox.JQueryElement.prototype[method] = function() {
        var args = arguments, id, ret, that = this;
        Ox.forEach(args, function(arg, i) {
            // FIXME: with the changes above, is this still needed?
            // if an ox object was passed
            // then pass its $element instead
            // so that we can do oxObj.jqFn(oxObj)
            if (arg && arg.ox) {
                args[i] = arg.$element;
            }
        });
        ret = that.$element[method].apply(that.$element, args);
        // if exactly one $element of an ox object was returned
        // then return the ox object instead
        // so that we can do oxObj.jqFn().oxFn()
        return ret && ret.jquery
            && ret.length == 1
            && Ox.UI.elements[id = ret.data('oxid')]
            ? Ox.UI.elements[id] : ret;
    };
});