package com.zehfernando.data.assets {

	/**
	 * @author Zeh
	 */
	public class AssetType {

		// Constants
		public static const CSS:String = "css";
		public static const XML:String = "xml";
		public static const IMAGE:String = "image";
		public static const SWF:String = "swf";
		
		// ================================================================================================================
		// STATIC functions -----------------------------------------------------------------------------------------------

		public static function getTypes(): Vector.<String> {
			var types:Vector.<String> = new Vector.<String>();
			types.push(AssetType.CSS);
			types.push(AssetType.IMAGE);
			types.push(AssetType.XML);
			
			return types;
		}
		
		public static function getExtensions(__type:String): Vector.<String> {
			// TODO: use dictionaries/vectors of info classes/something that makes more sense
			
			var vv:Vector.<String> = new Vector.<String>(); 
			
			switch (__type) {
				case AssetType.XML:
					vv.push("xml");
					break;
				case AssetType.CSS:
					vv.push("css");
					break;
				case AssetType.SWF:
					vv.push("swf");
				case AssetType.IMAGE:
					vv.push("jpg");
					vv.push("jpeg");
					vv.push("gif");
					vv.push("png");
					break;
			}
			
			return vv;
		}
		
		public static function getFromURL(__url:String): String {
			// Based on the extension of an URL file, return the type
			// TODO: must test for querystrings!
			// TODO: must test for other URLs with dots on them!
			var extSearch:RegExp = /\.([A-Za-z0-9]+)(\?*|)/i;
			var result:Object = extSearch.exec(__url);
			//trace ("search [" + __url + "] = " + result + " @ " + (Boolean(result) ? result.index : null));
			var extension:String;
			extension = Boolean(result) ? result[1] : "";
			
			var types:Vector.<String> = getTypes();
			var i:int;
			for (i = 0; i < types.length; i++) {
				if (getExtensions(types[i]).indexOf(extension) > -1) {
					return types[i]; 
				}
			}

			return ""; 
		}
	}
}