(function($) {
$(document).ready(function(){

  // putting lines by the pre blocks
  $("pre").each(function(){
    var pre = $(this).text().split("\n");
    var lines = new Array(pre.length+1);
    for(var i = 0; i < pre.length; i++) {
      var wrap = Math.floor(pre[i].split("").length / 70)
      if (pre[i]==""&&i==pre.length-1) {
        lines.splice(i, 1);
      } else {
        lines[i] = i+1;
        for(var j = 0; j < wrap; j++) {
          lines[i] += "\n";
        }
      }
    }
    $(this).before("<pre class='lines'>" + lines.join("\n") + "</pre>");
  });

  var headings = [];

  var collectHeaders = function(){
    headings.push({"top":$(this).offset().top - 15,"text":$(this).text()});
  }

  if($(".markdown-body h1").length > 1) $(".markdown-body h1").each(collectHeaders)
  else if($(".markdown-body h2").length > 1) $(".markdown-body h2").each(collectHeaders)
  else if($(".markdown-body h3").length > 1) $(".markdown-body h3").each(collectHeaders)

  $(window).scroll(function(){
    if(headings.length==0) return true;
    var scrolltop = $(window).scrollTop() || 0;
    if(headings[0] && scrolltop < headings[0].top) {
      $(".current-section").css({"opacity":0,"visibility":"hidden"});
      return false;
    }
    $(".current-section").css({"opacity":1,"visibility":"visible"});
    for(var i in headings) {
      if(scrolltop >= headings[i].top) {
        $(".current-section .name").text(headings[i].text);
      }
    }
  });

  $(".current-section a").click(function(){
    $(window).scrollTop(0);
    return false;
  })
});
}
var defaultSettings = {
		milestoneNumber 		: 10,
		usePHPapi				: true,
		apiPath					: '/',
	     	repo		            	: 'rails',
	     	username       			: 'rails'
	 };
$.fn.releaseNotes = function(settings){
	 	settings = $.extend({}, defaultSettings, settings || {});
	 	var apiPath = apiPath."api.php";
	 	var respType = (settings.usePHPapi) ? "jsonp" : "json"

		return this.each(function(){
			releases.load(this, settings);
		});

		var releases = {

			load: function(){
			 	this.callApi({
			 		action:"milestones"
			 	}).success(function(resp){
			 		console.log(resp)
			 	})
			},
			callApi: function(action){

				return $.ajax({
					url:this.urls[action](),
					dataType:respType,
					data:settings
				})
			}, 
			urls : {
				milestones : function(){
					if(settings.usePHPapi){
						return $url = "/repos/". $configs["username"] ."/". $configs["repo"] ."/milestones";
					}else{
						return apiPath;
					}
				}
			}
		}


    }
)(jQuery)