(function($) {

var LIMIT = 10;
var artistId, artistName;
var artistTags;
 $(document).ready(function() {
	initArtistCloud();
 });
function initArtistCloud() {
        $("#currentArtist").text();

	artistTags = $("#artistTags").find('ul');
	artistName = $("#content").find("h2:first").text();
	artistId = window.location.search.split("?id=")[1];
	addArtistMain(artistName);
	loadArtists();
}


function loadArtists() {
	$.getJSON('ajax.php?action=similar_artists&id='+artistId+'&limit='+LIMIT, function(data) {
		var first = true;
  		var ratio;
		$.each(data, function(key, val) {
			if(first) {
				ratio = val['score'] / 300;
				first = false;
			}
			var score = val['score'] / ratio;
			score = score <= 150 ? 150 : score;
			addArtist(val['id'], val['name'], score);
  		});

	createCloud();
	});

}

function addArtist(id, name, score) {
	 var item = $('<li><a style="color:#007DC6;" data-weight="' + score + '">' + name + '</a></li>');


        $(item).click(function(e) {
                e.preventDefault();
		reinit(id, name);
        });

	artistTags.append(item);

}

function addArtistMain(name) {
        var item = $('<li><a style="color:#007DC6;" data-weight="350">' + name + '</a></li>');
		
	$("#currentArtist").attr('href', 'artist.php?id=' + artistId);
	$("#currentArtist").text(artistName);
	

	$(item).click(function(e) {
                e.preventDefault();
		reinit(artistId, name);
        });

        artistTags.append(item);
}	

function reinit(id, name) {
	artistId = id;
	artistName = name;
	artistTags.empty();
	addArtistMain(artistName);
	loadArtists();
}

function createCloud() {
	  if(!$('#similarArtistsCanvas').tagcanvas({

	// textFont: 'Impact,"Arial Black",sans-serif',
	wheelZoom: false, 
	freezeActive: true,
	weightSize:0.15,
	interval:20,
	textFont: null,
	textColour: null,
	textHeight: 25,
	outlineColour:'#f96',
	outlineThickness:4,
	maxSpeed:0.04,
	minBrightness:0.1,
	depth:0.92,
	pulsateTo:0.2,
	pulsateTime:0.75,
	initial:[0.1,-0.1],
	decel:0.98,
	reverse:true,
	shadow:'#ccf',
	shadowBlur:3,
	weight : true,
	weightFrom:'data-weight'

    },'artistTags')) {
          // something went wrong, hide the canvas container
          $('#flip_view_2').hide();
    }

}


} ) ( jQuery );