var section = function (title, options) {
  return _.extend({}, {
    type: "section",
    title: title,
  }, options);
};

var item = function (name, options) {
  if (! options) {
    options = {
      longname: name
    };
  }

  return _.extend({}, {
    type: "item",
    name: name
  }, options);
};

var sections = [
  section("Templates", {
    id: "templates",
    subtitle: "Create views that update automatically when data changes",
    items: [
      item("Defining templates in HTML", {id: "defining-templates"}),
      item("Template.<em>name</em>.helpers", {longname: "Template#helpers"}),
      item("Template.<em>name</em>.events", {longname: "Template#events"}),
      item("Template.<em>name</em>.rendered", {longname: "Template#rendered"}),
      item("<em>template</em>.findAll", {longname: "Blaze.TemplateInstance#findAll"}),
      item("<em>template</em>.find", {longname: "Blaze.TemplateInstance#find"})
    ]
  }),
  section("Session", {
    id: "session",
    subtitle: "Store temporary data for the user interface",
    items: [
      item("Session.set"),
      item("Session.get")
    ]
  }),
  section("Tracker", {
    id: "tracker",
    subtitle: "Re-run functions when data changes",
    items: [
      item("Tracker.autorun")
    ]
  }),
  section("Collections", {
    id: "collections",
    subtitle: "Store persistent data",
    items: [
      item("Mongo.Collection"),
      item("<em>collection</em>.findOne", {longname: "Mongo.Collection#findOne"}),
      item("<em>collection</em>.find", {longname: "Mongo.Collection#find"}),
      item("<em>collection</em>.insert", {longname: "Mongo.Collection#insert"}),
      item("<em>collection</em>.update", {longname: "Mongo.Collection#update"}),
      item("<em>collection</em>.remove", {longname: "Mongo.Collection#remove"}),
      item("<em>collection</em>.allow", {longname: "Mongo.Collection#allow"}),
      item("<em>collection</em>.deny", {longname: "Mongo.Collection#deny"}),
    ]
  }),
  section("Accounts", {
    id: "accounts",
    subtitle: "Let users log in with passwords, Facebook, Google, GitHub, etc.",
    items: [
      item("{{> loginButtons}}", {id: "loginButtons"}),
      item("Meteor.user"),
      item("Meteor.userId"),
      item("Meteor.users"),
      item("{{currentUser}}", {longname: "currentUser"})
    ]
  }),
  section("Methods", {
    id: "methods",
    subtitle: "Call server functions from the client",
    items: [
      item("Meteor.methods"),
      item("Meteor.call"),
      item("Meteor.Error")
    ]
  }),
  section("Publish / Subscribe", {
    id: "pubsub",
    subtitle: "Sync part of your data to the client",
    items: [
      item("Meteor.publish"),
      item("Meteor.subscribe")
    ]
  }),
  section("Environment", {
    id: "environment",
    subtitle: "Control when and where your code runs",
    items: [
      item("Meteor.isClient"),
      item("Meteor.isServer"),
      item("meteor.startup")
    ]
  }),
  section("Packages", {
    id: "packages",
    subtitle: "Add extra functionality to your app with 'meteor add'",
    items: [
      item("Searching on Atmosphere", {id: "using-atmosphere"}),
      item("accounts-ui"),
      item("coffeescript"),
      item("jade"),
      item("jquery"),
      item("http"),
      item("less"),
      item("markdown"),
      item("underscore")
    ]
  })
];

Template.basicTableOfContents.helpers({
  sections: sections,
  linkForItem: function () {
    var self = this;

    if (self.id) {
      return "#" + self.id;
    } else if (self.longname) {
      return "#" + self.longname.replace(/[#.]/g, "-");
    }
  },
  linkForSection: function () {
    return "#" + this.id;
  }
});