var OPT_ID = 0;
var OPT_TITLE = 1;
var OPT_VOTES = 2;

var votedID;


$(document).ready(function(){
  $("#poll").submit(formProcess); // setup the submit handler

  if ($("#poll-results").length > 0 ) {  v
    animateResults();
  }

  if ($.cookie('vote_id')) {
    $("#poll-container").empty();
    votedID = $.cookie('vote_id');
    $.getJSON("//www.sht-nn.ru/mod/opros/poll.php?vote=none",loadResults);
  }
});

function formProcess(event){
  event.preventDefault();

  var id = $("input[@name='poll']:checked").attr("value");
  id = id.replace("opt",'');

  $("#poll-container").fadeOut("slow",function(){
    $(this).empty();

    votedID = id;
    $.getJSON("//www.sht-nn.ru/mod/opros/poll.php?vote="+id,loadResults);

    $.cookie('vote_id', id, {expires: 365});
    });
}

function animateResults(){
  $("#poll-results div").each(function(){
      var percentage = $(this).next().text();
      $(this).css({width: "0%"}).animate({
				width: percentage}, 'slow');
  });
}
                                              
function loadResults(data) {
  var total_votes = 0;
  var percent;

  for (id in data) {
    total_votes = total_votes+parseInt(data[id][OPT_VOTES]);
  }

  var results_html = "<div id='poll-results'><p>Результат опроса</p>\n<p><dl class='graph'>\n";
  for (id in data) {
    percent = Math.round((parseInt(data[id][OPT_VOTES])/parseInt(total_votes))*100);
      if (percent==0) {per=1} else per=percent;
    if (data[id][OPT_ID] !== votedID) {
      results_html = results_html+"<dt class='bar-title'>"+data[id][OPT_TITLE]+"</dt><dd class='bar-container'><div id='bar"+data[id][OPT_ID]+"'style='width:0%;'>&nbsp;</div><strong><div class='hide'>"+per+"%</div></strong><span class='rez'><strong>"+percent+"%</strong></span></dd>\n";
    } else {
      results_html = results_html+"<dt class='bar-title'>"+data[id][OPT_TITLE]+"</dt><dd class='bar-container'><div id='bar"+data[id][OPT_ID]+"'style='width:0%;background-color:#467aa7;'>&nbsp;</div><strong><div class='hide'>"+per+"%</div></strong><span class='rez'><strong>"+percent+"%</strong></span></dd>\n";
    }
  }

  results_html = results_html+"</dl></p><p>Всего ответов: "+total_votes+"</p></div>\n";

  $("#poll-container").append(results_html).fadeIn("slow",function(){
    animateResults();});
}