var serveAPI = function(limitSegment){
  var posts = [];
  var limit = 100; // default limit: 100 posts
  
  if(typeof limitSegment !== 'undefined')
    limit = limitSegment;

  Posts.find({status: STATUS_APPROVED}, {sort: {submitted: -1}, limit: limit}).forEach(function(post) {
    var url = (post.url ? post.url : getPostUrl(post._id));
    var properties = {
     headline: post.headline,
     author: post.author,
     date: post.submitted,
     url: url,
     guid: post._id
    };

    if(post.body)
      properties['body'] = post.body;

    if(post.url)
      properties['domain'] = getDomain(url);

    if(twitterName = getTwitterNameById(post.userId))
      properties['twitterName'] = twitterName;

    posts.push(properties);
  });

  return JSON.stringify(posts); 
}

var serveRSS = function() {
  var feed = new RSS({
    title: getSetting('title'),
    description: getSetting('tagline'),
    feed_url: Meteor.absoluteUrl()+'feed.xml',
    site_url: Meteor.absoluteUrl(),
    image_url: Meteor.absoluteUrl()+'img/favicon.png',
  });
  
  Posts.find({status: STATUS_APPROVED}, {sort: {submitted: -1}, limit: 20}).forEach(function(post) {
    feed.item({
     title: post.headline,
     description: post.body+'</br></br> <a href="'+getPostUrl(post._id)+'">Comments</a>',
     author: post.author,
     date: post.submitted,
     url: (post.url ? post.url : getPostUrl(post._id)),
     guid: post._id
    });
  });
  
  return feed.xml();
}


Router.map(function() {

  // API

  this.route('api', {
    where: 'server',
    path: '/api',
    action: function() {
      this.response.write(serveAPI());
      this.response.end();
    }
  });

  this.route('apiWithParameter', {
    where: 'server',
    path: '/api/:limit',
    action: function() {
      this.response.write(serveAPI(this.params.limit));
      this.response.end();
    }
  });

  // RSS

  this.route('feed', {
    where: 'server',
    path: '/feed.xml',
    action: function() {
      this.response.write(serveRSS());
      this.response.end();
    }
  });

});