// DEFINE CACHING ENUMSTRUCT()
//
// Purpose:
// * Replace native enumStruct() with a self-caching version
//
// License:
// * CC-BY-SA 3.0: http://creativecommons.org/licenses/by-sa/3.0/
// * Home page: 
//
// /////////////////////////////////////////////////////////////////


void (function DefineEnumStruct() {

	var self = {
		file: "Define.enumStruct.js",
		ver : 1.0
	};

	var dependencies = {
		"Util.js"   : 1.0,
		"Define.js" : 1.0,
		"Cache.js"  : 1.0
	}
	
	uNeed(self, dependencies); // Util.js

	// /////////////////////////////////////////////////////////////////
	// PUBLIC: OVERRIDE ENUMSTRUCT()
	// Use enumStruct() as normal, it will just be faster if same params used on same game tick

	var slice = Array.prototype.slice; // reduce proto chain wading

	Define(
		"enumStruct",
		function cachingEnumStruct() {
			// determine cache key
			var key = "enumStruct("+slice.call(arguments).join()+")";
			// do we need to create this cache?
			if (!Cache.hasOwnProperty(key)) {
				// create a curried function with the arguments
				var fn = Function.uCurry.apply(enumStruct.native, arguments);
				// create the cache
				Cache(key, fn, 0); // will refresh every game tick
			}
			// get cached value
			return Cache[key];
		}
	);
  
	// /////////////////////////////////////////////////////////////////
	// INTERNAL: CONFIRM API AVAILABILITY

	uProvide(self); // Util.js

})();