package com.app.utils
{
	import com.fake.controller.utils.ControllerUtil;
	import com.fake.utils.DescribeUtil;

	import flash.display.DisplayObjectContainer;

	import mx.controls.CheckBox;
	import mx.controls.ComboBox;
	import mx.controls.NumericStepper;
	import mx.controls.RadioButton;
	import mx.controls.TextInput;
	import mx.core.UIComponent;

	public class ComponentSerializer
	{
		private static var _instance:ComponentSerializer = new ComponentSerializer();

		public var defaultFindTypes:Array = [NumericStepper, CheckBox, RadioButton, TextInput, ComboBox];

		public function ComponentSerializer()
		{
		}

		public static function get instance():ComponentSerializer {
			return _instance;
		}

		public function serialize(source:UIComponent, findTypes:Array = null):XML
		{
			if(!findTypes)
				findTypes = defaultFindTypes;

			var foundComponents:Array = ControllerUtil.findByType(findTypes, source);

			var output:XML = new XML("<"+ DescribeUtil.localName(source) +"/>");

			for each(var component:Object in foundComponents)
			{
				if(!component.id || component.id.split("_").length == 0)
					continue;

				var child:XML = serializeChild(component);

				if(child.localName() != "null")
					output.appendChild(child);
			}

			return output;
		}

		public function serializeChild(component:Object):XML
		{
			var componentID:String = component.id;

			var localName:String = componentID.split("_")[1];
			var prefix:String = componentID.split("_")[0];

			var node:XML = new XML("<"+ localName + "/>");

			node.@prefix = prefix

			if(component is NumericStepper)
				node.@value = component.value;
			else if(component is CheckBox)
				node.@value = component.selected;
			else if(component is RadioButton)
				node.@value = component.selected;
			else if(component is TextInput)
				node.@value = component.text;
			else if(component is ComboBox)
				node.@value = component.selectedIndex;

			return node;
		}

		public function deserialize(source:DisplayObjectContainer, xml:XMLList):void
		{
			for each(var node:XML in xml.children())
			{
				var name:String = node.localName().toString();
				var prefix:String = node.@prefix;

				var component:Object = ControllerUtil.findByID(prefix + "_" + name, source);

				if(component is NumericStepper)
					component.value = Number(node.@value);
				else if(component is CheckBox)
					component.selected = (node.@value == "true");
				else if(component is RadioButton)
					component.selected = (node.@value == "true");
				else if(component is TextInput)
					component.text = String(node.@value);
				else if(component is ComboBox)
					component.selectedIndex = Number(node.@value);
			}
		}
	}
}