(function (ns) {

    var Asset = ns.Asset = Hilo.Class.create({
        Mixes: Hilo.EventMixin,

        queue: null,
        bg: null,
        ground: null,
        ready: null,
        over: null,
        numberGlyphs: null,
        birdAtlas: null,
        holdback: null,

        load: function () {
            var resources = [
                { id: 'bg', src: 'images/bg.png' },
                { id: 'ground', src: 'images/ground.png' },
                { id: 'ready', src: 'images/ready.png' },
                { id: 'over', src: 'images/over.png' },
                { id: 'number', src: 'images/number.png' },
                { id: 'bird', src: 'images/bird.png' },
                { id: 'holdback', src: 'images/holdback.png' }
            ];

            this.queue = new Hilo.LoadQueue();
            this.queue.add(resources);
            this.queue.on('complete', this.onComplete.bind(this));
            this.queue.start();
        },

        onComplete: function (e) {
            this.bg = this.queue.get('bg').content;
            this.ground = this.queue.get('ground').content;
            this.ready = this.queue.get('ready').content;
            this.over = this.queue.get('over').content;
            this.holdback = this.queue.get('holdback').content;

            this.birdAtlas = new Hilo.TextureAtlas({
                image: this.queue.get('bird').content,
                frames: [
                    [0, 120, 86, 60],
                    [0, 60, 86, 60],
                    [0, 0, 86, 60]
                ],
                sprites: {
                    bird: [0, 1, 2]
                }
            });

            var number = this.queue.get('number').content;
            this.numberGlyphs = {
                0: { image: number, rect: [0, 0, 60, 91] },
                1: { image: number, rect: [61, 0, 60, 91] },
                2: { image: number, rect: [121, 0, 60, 91] },
                3: { image: number, rect: [191, 0, 60, 91] },
                4: { image: number, rect: [261, 0, 60, 91] },
                5: { image: number, rect: [331, 0, 60, 91] },
                6: { image: number, rect: [401, 0, 60, 91] },
                7: { image: number, rect: [471, 0, 60, 91] },
                8: { image: number, rect: [541, 0, 60, 91] },
                9: { image: number, rect: [611, 0, 60, 91] }
            };

            this.queue.off('complete');
            this.fire('complete');
        }
    });

})(window.game);