/**

* js/annotstimeline

*

* annotstimeline basic component

*

*/

'use strict';

var PIXI = require('pixi');

var _ = require('lodash');

var rgb2hex = require('./utils');

var defaultOptions = {		

    logger: undefined,

    intervalWidth: 10,

    intervalHeight: 5,

    maxCellHeight: 200,

    radius: 300

};

function AnnotsTimeLine(options){

    var _this = this;

    var opts = _(options).defaults(defaultOptions).value();

    this.container = new PIXI.DisplayObjectContainer();

    this.container.x = opts.xInit;

    this.container.y = opts.yInit;

    this.container.width = opts.width;

    this.container.height = opts.height;    

    this.timeBegin = opts.timeBegin;

    this.timeEnd = opts.timeEnd;

    this.duration = (this.timeEnd - this.timeBegin)/1000;

    this.width = opts.width;

    this.height = opts.height;

    this.intervalHeight = opts.intervalHeight;

    this.intervalWidth = opts.intervalWidth;

    this.maxCellHeight = opts.maxCellHeight;

    this.annotCategories = opts.annotCategories;

    this.circleX = opts.circleX || (this.width/2);

    this.circleY = opts.circleY || (this.height/2);

    this.radius = opts.radius;

    this.perimeter = 2*Math.PI* this.radius;

    this.intervalDuration = (this.intervalWidth * this.duration / this.perimeter);

    var totalIndex = Math.floor(this.perimeter/this.intervalWidth);

    this.cells = []

    for (var i=0; i<(this.perimeter/this.intervalWidth) ; i++){

    	this.cells[i] = [];

    	this.cells[i].i = i;

    	this.cells[i].totalAnnots = 0;

    	this.cells[i].categories = {};

    	for (var category in this.annotCategories[0].colors){

    		this.cells[i].categories[category] = {

				"count": 0,

				"color": this.annotCategories[0].colors[category]

    		};

    	}

    }

    var ws = opts.ws;

    var stageView = opts.stageView;

    //draw the base - circle and line to locate the scene

    var graphics = new PIXI.Graphics();

    graphics.lineStyle(1, 0x000000)

    	.drawCircle(this.circleX, this.circleY, this.radius - 3)

    	.drawCircle(this.circleX, this.circleY, this.radius*2/3)

    	.drawCircle(this.circleX, this.circleY, this.radius/3)

    	.moveTo(this.circleX, this.circleY)

    	.lineTo(this.circleX, this.circleY - this.radius - this.maxCellHeight - 30)

    	.endFill()

    this.container.addChild(graphics);

    stageView.registerComponent(this);

    //Add Annotation to the TimeLine

    this.addAnnot = function(data){

    	if (typeof(this.annotCategories[0].colors[data.content.category.code]) !== 'undefined'){

    		var annotCode = data.content.category.code;

    	} else {

    		var annotCode = this.annotCategories[0].order[this.annotCategories[0].order.length -1];

    	}

    	var annotTime = Date.parse(data.ts);

    	if (this.timeEnd > Date.parse(data.ts)){

	    	var i = Math.floor((Date.parse(data.ts)-this.timeBegin)/(1000*this.intervalDuration));

			this.cells[i].categories[annotCode].count += 1;

			this.cells[i].totalAnnots +=1;

			this.redrawCell(this.cells[i], i);

    	}

    };

    this.initGraphics = function(cell){

    	cell.graphics = new PIXI.Graphics();

    	cell.graphics.position.x = this.circleX + this.radius * Math.sin(cell.i*(360/totalIndex)*(Math.PI/180));

    	cell.graphics.position.y = this.circleY - this.radius * Math.cos(cell.i*(360/totalIndex)*(Math.PI/180));

    	cell.graphics.rotation = (cell.i)*(360/totalIndex)*(Math.PI/180) + (360/(totalIndex*2))*(Math.PI/180);

    	this.container.addChild(cell.graphics);

    }

    //Draw the cellule

    this.redrawCell = function(cell){

    	if (typeof(cell.graphics) === 'undefined'){

    		this.initGraphics(cell);

    	} else {

    		cell.graphics.clear();

    	}

    	var y = 0;

    	//Check if total height is higher than Max Cell Height

    	if ((cell.totalAnnots*this.intervalHeight) > this.maxCellHeight){

    		var heightStep = this.maxCellHeight/cell.totalAnnots;

    	} else {

    		var heightStep = this.intervalHeight;

    	}

    	//Draw the rect depending on the height step calculated

    	for (var i=0; i< this.annotCategories[0].order.length; i++){

    		var currentCode = this.annotCategories[0].order[i];

			cell.graphics.beginFill(cell.categories[currentCode].color.replace("#", "0x"))

    			.drawRect(0, y, this.intervalWidth-1, -cell.categories[currentCode].count * heightStep)

    			.endFill();

    		y -= cell.categories[currentCode].count*heightStep;

    	}

    }

    this.init = function() {

    	ws.message(function(data) {

            _this.addAnnot(data);

        });

    };

    this.start = function() {

    };

    this.refresh = function() {

    };

    this.stop = function(){

    	console.log(this.cells);

    };

    return this;

}

module.exports = {

	AnnotsTimeLine: AnnotsTimeLine

};