/*******************************************************************************
 * 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", 
	"dijit/ProgressBar",
	"dojo/number",
	"dojo/dom-style"
],function(declare, ProgressBar, number, domStyle){
	var PROGRESS_INFINITY = "Infinity";
	var UPLOAD_TYPE_HTML5 = "html5";
	var UPLOAD_TYPE_FLASH = "flash";
	
	var ProgressBar = declare("pd/widgets/ProgressBar", [ProgressBar], {
		
		maxBytesPerLoad: 0,
		previousBytesLoaded: 0,
		init: function(/*string*/uploadType) {
			this.uploadType = uploadType;
			this.pdHide();
			this.update({
				progress: 0
			});
		},
		
		pdHide: function() {
			domStyle.set(this.domNode, "display", "none");
		},
		
		_pdShow: function() {
			domStyle.set(this.domNode, "display", "");
		},
		
		_isDeterminate: function (){
			if (this._getDeterminateMode() && this._supportDeterminate()){
				return true;
			}
			return false;
		},
		
		//in case of iframe, you need enforce to indeterminate mode.
		_setDeterminateMode: function (/*boolean*/ val){
			this.indeterminate = !val;
			if (!val){
				this.value = PROGRESS_INFINITY;
			}
		},
		
		_getDeterminateMode: function (){
			return !this.indeterminate;
		},
		
		_supportDeterminate: function() {
			return (this.uploadType == UPLOAD_TYPE_HTML5 || this.uploadType == UPLOAD_TYPE_FLASH);
		},
		
		onStageZero: function(){
			this._pdShow();
			this._setDeterminateMode(this._supportDeterminate());
			this.maxBytesPerLoad = 0;
			this.previousBytesLoaded = 0;
			this.update({
				stage: 0, 
				label: PDMSG.IPT.IDS_IPT_PROGRESS_STAGE_IMPORT
			});
		},
		
		onStageOne: function(percent) {
			this._pdShow();
			this.update({
				stage: 1, 
				label: PDMSG.IPT.IDS_IPT_PROGRESS_STAGE_UPLOAD, 
				progress: percent
			});
		},
		
		onStageTwo: function(inputLabel) {
			var currentLabel = inputLabel || PDMSG.IPT.IDS_IPT_PROGRESS_STAGE_IMPORT;
			this._pdShow();
			this._setDeterminateMode(false);
			this.update({
				stage: 2, 
				label: currentLabel,
				progress: 100
			});
		},
		
		onStageThree: function() {
			this._setDeterminateMode(true);
			this.update({
				stage: 3, 
				progress: 100, 
				label: ""
			});
			var self = this;
			setTimeout(function() {
				self.pdHide();
				self.update({
					progress: 0
				});
			}, 1000);
		},
		
		onCancel: function() {

			this.pdHide();
			this.update({
				progress: 0
			});
	
		},
			
		report: function(/*float*/percent){
			var returnVal = this.label || " ";
			
			//stage 0 or 3 (0% and 100%) will be showed in derterminate mode anyways
			if (this._isDeterminate() || (this.stage == undefined || this.stage == 3)){
				returnVal +=" " + number.format(percent, { 
					type: "percent", places: this.places, locale: this.lang });
			} 
			
			return returnVal;
		}
	});
	
	return ProgressBar;
});