Router.configure({
  layoutTemplate: 'layout',
  loadingTemplate: 'loading',
  notFoundTemplate: 'notFound',
  waitOn: function () {
    return [
      Meteor.subscribe('notifications')
    ];
  }
});

PostsListController = RouteController.extend({
  template: 'postsList',
  increment: 5,
  postsLimit: function () {
    return parseInt(this.params.postsLimit) || this.increment;
  },
  findOptions: function () {
    return {
      sort: this.sort,
      limit: this.postsLimit()
    };
  },
  subscriptions: function () {
    this.postSub = Meteor.subscribe('posts', this.findOptions());
  },
  posts: function () {
    return Posts.find({}, this.findOptions());
  },
  data: function () {
    var hasMore = this.posts().count() === this.postsLimit();
    return {
      posts: this.posts(),
      ready: this.postSub.ready,
      nextPath: hasMore ? this.nextPath() : null
    };
  }
});

NewPostsController = PostsListController.extend({
  sort: { submitted: -1, _id: -1 },
  nextPath: function () {
    return Router.routes.newPosts.path({
      postsLimit: this.postsLimit() + this.increment
    });
  }

});

BestPostsController = PostsListController.extend({
  sort: { votes: -1, submitted: -1, _id: -1 },
  nextPath: function () {
    return Router.routes.bestPosts.path({
      postsLimit: this.postsLimit() + this.increment
    });
  }

});

Router.route('/posts/:_id', {
  name: 'postPage',
  waitOn: function () {
    return [
      Meteor.subscribe('comments', this.params._id),
      Meteor.subscribe('singlePost', this.params._id)
    ];
  },
  data: function () {
    // "this" is the matched route.
    return Posts.findOne(this.params._id);
  }
});

Router.route('/posts/:_id/edit', {
  name: 'postEdit',
  waitOn: function () {
    return Meteor.subscribe('singlePost', this.params._id);
  },
  data: function () {
    // "this" is the matched route.
    return Posts.findOne(this.params._id);
  }
});

Router.route('/submit', {
  name: 'postSubmit'
});

// C'est un nom de route, pas un nom de template. Mais IR le prend comme nom de
// template par défaut.
Router.route('/', {
  name: 'home',
  controller: 'NewPostsController',
});

Router.route('/new/:postsLimit?', { name: 'newPosts' });
Router.route('/best/:postsLimit?', { name: 'bestPosts' });

var requireLogin = function () {
  if (!Meteor.user()) {
    if (Meteor.loggingIn()) {
      // Défini dans Router.configure().
      this.render(this.loadingTemplate);
    } else {
      this.render('accessDenied');
    }
  } else {
    this.next();
  }
};

// Faire une 404 si la page matche la route postPage, mais pas son argument.
// Déclenché pour toute valeur "falsy" (null, false, undefined, empty).
Router.onBeforeAction('dataNotFound', {
  only: 'postPage'
});

// Appliquer le contrôle d'accès à la route postSubmit.
Router.onBeforeAction(requireLogin, {
  only: 'postSubmit'
});