class CachedImage extends Sprite
{
    private var dir:String;
    private var loader:Loader;
    public function new(w:Float = 0, h:Float = 0, path:String)
    {
        super();
        this.graphics.beginFill(0xFFFFFF, 0.1);
        this.graphics.drawRect(0, 0, w, h);

        dir = SystemPath.applicationStorageDirectory + "\\" + resolvePath(path);
        var splitDir:Array<String> = dir.split("\\");

        createFolder(splitDir.splice(0, splitDir.length - 1).join("\\"));
        loader = new Loader();
        addChild(loader);
        loader.alpha = 0;
        loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onLoaderComplete);
        var request:URLRequest = new URLRequest();
        if (FileSystem.exists(dir))
        {
            trace("load from cache");
            request.url = dir;
        }
        else
        {
            trace("load from url");
            request.url = path;
        }
        loader.load(request);
    }

    private function createFolder(s:String):Void
    {
        if (!FileSystem.exists(s))
        {
            try
            {
                FileSystem.createDirectory(s);
            }
        }
    }

    private function onLoaderComplete(e:Event):Void
    {
        loader.contentLoaderInfo.removeEventListener(Event.COMPLETE, onLoaderComplete);
        Actuate.tween(loader, 0.5, { alpha:1 } );
        if(!FileSystem.exists(dir))
        {
            try
            {
                File.saveBytes(dir, loader.contentLoaderInfo.bytes);
            }
        }
    }
    public static function resolvePath(path:String):String
    {
        path = StringTools.replace(path, "http://", "");
        path = StringTools.replace(path, "https://", "");
        path = StringTools.replace(path, "/", "\\");
        return path;
    }
}