/*******************************************************************************
 * IBM Confidential
 * 
 * OCO Source Materials
 * 
 * A and PM: PD
 * 
 * (c) Copyright IBM Corp. 2014
 * 
 * The source code for this program is not published or otherwise divested of
 * its trade secrets, irrespective of what has been deposited with the U.S.
 * Copyright Office.
 ******************************************************************************/

define([
	"dojo/_base/declare", 
	"dojo/store/Memory",
	"dojox/xml/parser",
	"dojo/_base/array",
	"dojo/query",
	"pd/model/pdSpec"
],function(declare, store, xmlParser, array, query, model){
	
	return declare("pd/data/PdSpecStore", [store], {
		constructor: function(args) {
			if (!args.xmlInput){
				throw new Error(PDMSG.ERR.IDS_ERR_MISSING_XMLDOC_PARAM);
			}
			
			if (typeof(args.xmlInput) == "string"){
				this.xmlDoc = xmlParser.parse(dojo.trim(args.xmlInput));
			} else {
				this.xmlDoc = args.xmlInput;
			}
			
			this.data = this.generateDataFromXml();
			this.inherited(arguments);
		},
		
		generateDataFromXml: function() {
			var data = {
					identifier: 'id',
					items: []
				};
			var dataList = [];
			var xmlDoc = this.xmlDoc.selectSingleNode("/pdSpec/personalData");
			
			if (xmlDoc){
		    	array.forEach(
					query("item", xmlDoc), function(node, index, arr){
						var dataItem = {};
						array.forEach(model, function(item, idx){
							var value;
							if (node.getAttribute(item.itemName) != null){
								value = node.getAttribute(item.itemName);
							} else {
								value = item.defaultValue;
								node.setAttribute(item.itemName, value);
							}
							dataItem[item.itemName] = value;
						});
						dataList.push(dataItem);
					}
				);
				
		    	for(var i=0; i<dataList.length; i++){
		    		data.items.push(dojo.mixin({ id: i }, dataList[i]));
		    	}
			}
	    	return data;
		},
		
		generateXmlFromData: function(selected) {
			var xmlDoc = this.xmlDoc.selectSingleNode("/pdSpec/personalData");
			for (var i=0; i<selected.length; i++){
				//since "hidden" is from indirection-selector, it doesn't affect isDirty attribute.
				xmlDoc.childNodes[i].setAttribute("hidden", this.data[i].hidden);
				if (this.data[i].__isDirty){
					xmlDoc.childNodes[i].setAttribute("name", this.data[i].name);
					xmlDoc.childNodes[i].setAttribute("regularAggregate", this.data[i].regularAggregate);
					xmlDoc.childNodes[i].setAttribute("semiAggregate", this.data[i].regularAggregate);
					if (this.data[i].regularAggregate == "unsupported"){
						xmlDoc.childNodes[i].setAttribute("usage", "attribute");
					} else {
						xmlDoc.childNodes[i].setAttribute("usage", "fact");
					}
				}
			}

			// Trim out the preview data blob.
			var dataNode = this.xmlDoc.selectSingleNode("/pdSpec/personalPreview");
			if (dataNode){
				dataNode.parentNode.removeChild(dataNode); 
			}
			
			return xmlParser.parse("<addLOBData><input><pdCollection>"
			+ xmlParser.innerXML(this.xmlDoc)
			+ "</pdCollection></input></addLOBData>");
		}
	});
});