/* 

 * 	

 *	Copyright 2010 Institut de recherche et d'innovation 

 *	contributor(s) : Samuel Huron 

 *	 

 *	contact@iri.centrepompidou.fr

 *	http://www.iri.centrepompidou.fr 

 *	 

 *	This software is a computer program whose purpose is to show and add annotations on a video .

 *	This software is governed by the CeCILL-C license under French law and

 *	abiding by the rules of distribution of free software. You can  use, 

 *	modify and/ or redistribute the software under the terms of the CeCILL-C

 *	license as circulated by CEA, CNRS and INRIA at the following URL

 *	"http://www.cecill.info". 

 *	

 *	The fact that you are presently reading this means that you have had

 *	knowledge of the CeCILL-C license and that you accept its terms.

*/

// CHART TIMELINE / VERSION PROTOTYPE  ::

IriSP.PolemicWidget = function(Popcorn, config, Serializer) {

  IriSP.Widget.call(this, Popcorn, config, Serializer);

	this.userPol    = new Array();

	this.userNoPol  = new Array();

	this.userst 	   = new Array();

	this.numberOfTweet = 0;

	this.Users;

	this.TweetPolemic;

	this.yMax	  		= this.height; 

	this.PaperSlider;

	this.heightOfChart;

	this.tweets  = new Array();

	// Make and define the Raphael area

	this.paper = Raphael(document.getElementById(this._id), config.width, config.height);

};

IriSP.PolemicWidget.prototype = new IriSP.Widget();

IriSP.PolemicWidget.prototype.draw = function() {

		// variable 

		// yMax

    var self = this;

		var yCoef	  		= 2; 						// coef for height of 1 tweet 

		var frameSize 		= 5; 						// frame size 

		var margin 	  		= 1;						// marge between frame

		var lineSize  		= this.width;				// timeline pixel width 

		var nbrframes 		= lineSize/frameSize; 		// frame numbers

		var numberOfTweet 	= 0;						// number of tweet overide later 

		var duration  		= +this._serializer.currentMedia().meta["dc:duration"];			// timescale width 

		var frameLenght 	= lineSize/frameSize;		// frame timescale	    

		var timeline;

		var colors  = new Array("","#1D973D","#C5A62D","#CE0A15","#036AAE","#585858");

		// array 

		//var tweets  = new Array();

		var element = new Array();

		var cluster = new Array();

		var frames  = new Array(frameLenght);

		var slices  = new Array();

		// Classes =======================================================================

		var Frames = function(){

			var Myclusters;

			var x;

			var y;

			var width;

			var height;

		};

		Frames = function(json){

			// make my clusters

			// ou Frame vide 

		};

		Frames.prototype.draw = function(){

		};

		Frames.prototype.zoom = function(){

		};

		Frames.prototype.inside = function(){

		};

		var Clusters = function(){

			var Object;

			var yDist;

			var x;

			var y;

			var width;

			var height;

		};

		Clusters = function(json){

			// make my object

		};

		var Tweet = function(){

		};

		// Classes =======================================================================

		// Refactoring (parametere) ************************************************************

		// color translastion

		var qTweet_0  =0;

		var qTweet_Q  =0;

		var qTweet_REF=0;

		var qTweet_OK =0;

		var qTweet_KO =0;

		function colorTranslation(value){

			if(value == "Q"){

				qTweet_Q+=1;

				return 2;

			}else if(value =="REF"){

				qTweet_REF+=1;

				return 4;

			}else if(value =="OK"){

				qTweet_OK+=1;

				return 1;

			}else if(value =="KO"){

				qTweet_KO+=1;

				return 3;

			}else if(value ==""){

				qTweet_0+=1;

				return 5;

			}

		}

      this._serializer.sync(function(data) { loaded_callback.call(self, data) });

      function loaded_callback (json) {

		    // get current view (the first ???)

		    view = json.views[0];

		    // the tweets are by definition of the second annotation type

		    tweet_annot_type = null;

		    if(typeof(view.annotation_types) !== "undefined" && view.annotation_types.length > 1) {

		    	tweet_annot_type = view.annotation_types[1];

		    }

      for(var i = 0; i < json.annotations.length; i++) {

        var item = json.annotations[i];							

				var MyTime  = Math.floor(item.begin/duration*lineSize);

				var Myframe = Math.floor(MyTime/lineSize*frameLenght);

				if (typeof(item.meta) !== "undefined" 

					&& typeof(item.meta["id-ref"]) !== "undefined"

					&& item.meta["id-ref"] === tweet_annot_type) {

					var MyTJson = JSON.parse(item.meta['dc:source']['content']);

						if (item.content['polemics'] != undefined 

						&& item.content['polemics'][0] != null) {

							for(var j=0; j<item.content['polemics'].length; j++){

									this.tweets[numberOfTweet] = {

												id:i,

												qualification:colorTranslation(item.content['polemics'][j]),

												yIndicator:MyTime,

												yframe:Myframe,

												title:item.content['title'],

												timeframe:item.begin,

												userId: MyTJson.id,

												userScreenName: MyTJson.screen_name,

												tsource:MyTJson

												};

									numberOfTweet+=1;

							}

					}

					else {

						this.tweets[numberOfTweet] = {

									id:i,

									qualification:colorTranslation(""),

									yIndicator:MyTime,

									yframe:Myframe,

									title:item.content['title'],

									timeframe:item.begin,

									userId: MyTJson.id,

									userScreenName: MyTJson.screen_name,

									tsource:MyTJson

						};

						numberOfTweet+=1;

					}

				} 

			};	

		   DrawTweets.call (this); // FIXME: ugly.

		  };			

		// tweet Drawing (in raphael) 

		function DrawTweets (){

		// GROUPES TWEET ============================================

		// Count nbr of cluster and tweet in a frame an save int in "frames"

			numberOfTweet = this.tweets.length;

			for(var i=0; i<nbrframes; i++) {	

				for(var j=0; j<numberOfTweet; j++) {	

					if (i==this.tweets[j].yframe){

						var k = this.tweets[j].qualification;

						// make array for frame cluster

						if(frames[i]==undefined){

							frames[i] = {id:i,

										 qualifVol:new Array(),

										 mytweetsID:new Array()

										};

						}

						// add my tweet to frame

						frames[i].mytweetsID.push(this.tweets[j]);

						// count opinion by frame

						if( frames[i].qualifVol[k] == undefined){

							frames[i].qualifVol[k] = 1;

						}else{

							frames[i].qualifVol[k] += 1;

						}

					}

				}

			}

		// GROUPES TWEET ============================================		

		// max of tweet by Frame 

			var max = 0; 

			for(var i = 0; i < nbrframes; i++) {

				var moy	= 0;

				for (var j = 0; j < 6; j++) {		

					if (frames[i] != undefined) {

						if (frames[i].qualifVol[j] != undefined) {

							moy += frames[i].qualifVol[j];

						}

					}

				}

				if (moy > max) {

          max = moy;

        }

			}

			var tweetDrawed = new Array();

			var TweetHeight = 5;

			// DRAW  TWEETS ============================================

			for(var i=0; i<nbrframes;i++) {

				var addEheight = 5;

				if (frames[i] != undefined){

					// by type 

					for (var j = 6; j>-1; j--){

						if (frames[i].qualifVol[j]!=undefined){

							// show tweet by type 

							for (var k = 0; k < frames[i].mytweetsID.length; k++) {

								if (frames[i].mytweetsID[k].qualification == j) {                

                  var x = i*frameSize;

									var y = this.heightmax - addEheight;

									if (this.yMax > y) {

                    this.yMax = y;

                  }

									var e = this.paper.rect(x, y, frameSize - margin, TweetHeight /* height */).attr({stroke:"#00","stroke-width":0.1,  fill: colors[j]});	

									addEheight += TweetHeight;

									e.time= frames[i].mytweetsID[k].timeframe;

									e.title= frames[i].mytweetsID[k].title;

									e.mouseover(function(element) { return function (event) {                                             

                        // event.clientX and event.clientY are to raphael what event.pageX and pageY are to jquery.

                        element.displayed = true;

                      }}(e)).mouseout(function(element) { return function () {                          

                          self.TooltipWidget.hide.call(self);

									}}(e)).mousedown(function () {

										self._Popcorn.currentTime(this.time/1000);

									});

									__IriSP.jQuery(e.node).attr('id', 't'+k+'');

									__IriSP.jQuery(e.node).attr('title', frames[i].mytweetsID[k].title);

									__IriSP.jQuery(e.node).attr('begin',  frames[i].mytweetsID[k].timeframe);									

								}

							}

						}

					}

				}

			}		

			// DRAW UI :: resize border and bgd

			var heightOfChart 	= (this.yMax-(this.height- this.yMax));

			var PaperBackground = this.paper.rect(0, this.yMax, this.width,heightOfChart).attr({fill:"#fff","stroke-width":0.1,opacity: 0.1});	

			var PaperBorder 	= this.paper.rect(0, this.yMax,this.width,1).attr({fill:"#fff",stroke: "none",opacity: 1});	

			var PaperSlider 	= this.paper.rect(0,20,1,heightOfChart).attr({fill:"#fc00ff",stroke: "none",opacity: 1});	

			// decalage 

			tweetSelection = this.paper.rect(-100,-100,5,5).attr({fill:"#fff",stroke: "none",opacity: 1});	

			PaperSlider.toFront();

			PaperBackground.toBack();

		}

		if(typeof(PaperSlider) !== 'undefined' ) {

			PaperSlider.toFront();

		}

	}