/*

//--------------------------------------------------------------------------------------------------//
//---------------------------------------- Table Of Contents ---------------------------------------//
//--------------------------------------------------------------------------------------------------//

---------------------------------------------------------------
#                             Config                          #
---------------------------------------------------------------

//

---------------------------------------------------------------
#                            Filters                          #
---------------------------------------------------------------

isLoggedIn
isLoggedOut
isAdmin

canView
canPost
canEditPost
canEditComment

hasCompletedProfile

---------------------------------------------------------------
#                          Controllers                        #
---------------------------------------------------------------

PostsListController
PostPageController

---------------------------------------------------------------
#                             Routes                          #
---------------------------------------------------------------

1) Paginated Lists
----------------------
Top
New
Best
Pending
Categories

2) Digest
--------------------
Digest

3) Posts
--------------------
Post Page
Post Page (scroll to comment)
Post Edit
Post Submit

4) Comments
--------------------
Comment Page
Comment Edit
Comment Submit

5) Users
--------------------
User Profie
User Edit
Account
All Users
Unsubscribe (from notifications)

6) Misc Routes
--------------------
Settings
Categories
Toolbox

7) Server-side
--------------------
API
RSS

*/

// uncomment to disable FastRender
var FastRender = {RouteController: RouteController, onAllRoutes: function() {}};

//--------------------------------------------------------------------------------------------------//
//--------------------------------------------- Config ---------------------------------------------//
//--------------------------------------------------------------------------------------------------//

preloadSubscriptions.push('settings');
preloadSubscriptions.push('currentUser');

Router.configure({
  layoutTemplate: getTemplate('layout'),
  loadingTemplate: getTemplate('loading'),
  notFoundTemplate: getTemplate('notFound'),
  waitOn: function () {
    return _.map(preloadSubscriptions, function(sub){
      // can either pass strings or objects with subName and subArguments properties
      if (typeof sub === 'object'){
        Meteor.subscribe(sub.subName, sub.subArguments);
      }else{
        Meteor.subscribe(sub);
      }
    });
  }
});

//--------------------------------------------------------------------------------------------------//
//--------------------------------------------- Filters --------------------------------------------//
//--------------------------------------------------------------------------------------------------//

Router._filters = {

  isReady: function(pause) {
    if (!this.ready()) {
      // console.log('not ready')
      this.render(getTemplate('loading'));
      pause();
    }else{
      // console.log('ready')
    }
  },

  resetScroll: function () {
    var scrollTo = window.currentScroll || 0;
    var $body = $('body');
    $body.scrollTop(scrollTo);
    $body.css("min-height", 0);
  },

  /*
  isLoggedIn: function(pause) {
    if (!(Meteor.loggingIn() || Meteor.user())) {
      throwError(i18n.t('Please Sign In First.'));
      var current = getCurrentRoute();
      if (current){
        Session.set('fromWhere', current);
      }
      this.render('entrySignIn');
      pause();
    }
  },
  */
  isLoggedIn: AccountsTemplates.ensureSignedIn,

  isLoggedOut: function(pause) {
    if(Meteor.user()){
      this.render('already_logged_in');
      pause();
    }
  },

  isAdmin: function(pause) {
    if(!this.ready()) return;
    if(!isAdmin()){
      this.render(getTemplate('no_rights'));
      pause();
    }
  },

  canView: function(pause) {
    if(!this.ready() || Meteor.loggingIn()){
      this.render(getTemplate('loading'));
      pause();
    }else if (!canView()) {
      this.render(getTemplate('no_rights'));
      pause();
    }
  },

  canPost: function (pause) {
    if(!this.ready() || Meteor.loggingIn()){
      this.render(getTemplate('loading'));
      pause();
    }else if(!canPost()){
      throwError(i18n.t("Sorry, you don't have permissions to add new items."));
      this.render(getTemplate('no_rights'));
      pause();
    }
  },

  canEditPost: function(pause) {
    if(!this.ready()) return;
    // Already subscribed to this post by route({waitOn: ...})
    var post = Posts.findOne(this.params._id);
    if(!currentUserCanEdit(post)){
      throwError(i18n.t("Sorry, you cannot edit this post."));
      this.render(getTemplate('no_rights'));
      pause();
    }
  },

  canEditComment: function(pause) {
    if(!this.ready()) return;
    // Already subscribed to this comment by CommentPageController
    var comment = Comments.findOne(this.params._id);
    if(!currentUserCanEdit(comment)){
      throwError(i18n.t("Sorry, you cannot edit this comment."));
      this.render(getTemplate('no_rights'));
      pause();
    }
  },

  hasCompletedProfile: function(pause) {
    if(!this.ready()) return;
    var user = Meteor.user();
    if (user && ! userProfileComplete(user)){
      this.render(getTemplate('user_email'));
      pause();
    }
  },

  setTitle: function() {
    // set title
    var title = getSetting("title");
    var tagline = getSetting("tagline");
    document.title = (tagline ? title+': '+tagline : title) || "";
  }

};

var filters = Router._filters;
var coreSubscriptions = new SubsManager({
  // cache recent 50 subscriptions
  cacheLimit: 50,
  // expire any subscription after 30 minutes
  expireIn: 30
});

if(Meteor.isClient){

  // Load Hooks

  Router.onRun( function () {
    Session.set('categorySlug', null);

    // if we're not on the search page itself, clear search query and field
    if(getCurrentRoute().indexOf('search') == -1){
      Session.set('searchQuery', '');
      $('.search-field').val('').blur();
    }

  });

  // Before Hooks

  // Router.onBeforeAction(filters.isReady);
  Router.onBeforeAction(clearSeenErrors);
  Router.onBeforeAction(filters.canView, {except: ['atSignIn', 'atSignUp', 'atForgotPwd', 'atResetPwd', 'signOut']});
  Router.onBeforeAction(filters.hasCompletedProfile);
  Router.onBeforeAction(filters.isLoggedIn, {only: ['post_submit']});
  Router.onBeforeAction(filters.isLoggedOut, {only: []});
  Router.onBeforeAction(filters.canPost, {only: ['posts_pending', 'post_submit']});
  Router.onBeforeAction(filters.canEditPost, {only: ['post_edit']});
  Router.onBeforeAction(filters.canEditComment, {only: ['comment_edit']});
  Router.onBeforeAction(filters.isAdmin, {only: ['posts_pending', 'all-users', 'settings', 'toolbox', 'logs']});

  // After Hooks

  // Router.onAfterAction(filters.resetScroll, {except:['posts_top', 'posts_new', 'posts_best', 'posts_pending', 'posts_category', 'all-users']});
  Router.onAfterAction(analyticsInit); // will only run once thanks to _.once()
  Router.onAfterAction(analyticsRequest); // log this request with mixpanel, etc
  Router.onAfterAction(filters.setTitle);

  // Unload Hooks

  //

}

//--------------------------------------------------------------------------------------------------//
//------------------------------------------- Controllers ------------------------------------------//
//--------------------------------------------------------------------------------------------------//


// Controller for all posts lists

PostsListController = FastRender.RouteController.extend({
  template: getTemplate('posts_list'),
  onBeforeAction: function () {
    // take the first segment of the path to get the view, unless it's '/' in which case the view default to 'top'
    // note: most of the time this.params.slug will be empty
    this._terms = {
      view: this.view,
      limit: this.params.limit || getSetting('postsPerPage', 10),
      category: this.params.slug
    };

    if(Meteor.isClient) {
      this._terms.query = Session.get("searchQuery");
    }

    this.postsListSub = coreSubscriptions.subscribe('postsList', this._terms);
    return [
      this.postsListSub,
      coreSubscriptions.subscribe('postsListUsers', this._terms)
    ];
  },
  data: function () {
    this._terms = {
      view: this.view,
      limit: this.params.limit || getSetting('postsPerPage', 10),
      category: this.params.slug
    };

    if(Meteor.isClient) {
      this._terms.query = Session.get("searchQuery");
    }

    var parameters = getPostsParameters(this._terms),
      postsCount = Posts.find(parameters.find, parameters.options).count();

    parameters.find.createdAt = { $lte: Session.get('listPopulatedAt') };
    var posts = Posts.find(parameters.find, parameters.options);
    
    // Incoming posts
    parameters.find.createdAt = { $gt: Session.get('listPopulatedAt') };
    var postsIncoming = Posts.find(parameters.find, parameters.options);

    Session.set('postsLimit', this._terms.limit);

    return {
      incoming: postsIncoming,
      postsList: posts,
      postsCount: postsCount,
      ready: this.postsListSub.ready
    };
  },
  onAfterAction: function() {
    Session.set('view', this.view);
  }
});

PostsTopController = PostsListController.extend({
  view: 'top'
});

PostsNewController = PostsListController.extend({
  view: 'new'
});

PostsBestController = PostsListController.extend({
  view: 'best'
});

PostsPendingController = PostsListController.extend({
  view: 'pending'
});

// Controller for post digest

PostsDigestController = FastRender.RouteController.extend({
  template: getTemplate('posts_digest'),
  waitOn: function() {
    // if day is set, use that. If not default to today
    var currentDate = this.params.day ? new Date(this.params.year, this.params.month-1, this.params.day) : new Date(),
        terms = {
          view: 'digest',
          after: moment(currentDate).startOf('day').toDate(),
          before: moment(currentDate).endOf('day').toDate()
        };
    return [
      coreSubscriptions.subscribe('postsList', terms),
      coreSubscriptions.subscribe('postsListUsers', terms)
    ];
  },
  data: function() {
    var currentDate = this.params.day ? new Date(this.params.year, this.params.month-1, this.params.day) : Session.get('today'),
        terms = {
          view: 'digest',
          after: moment(currentDate).startOf('day').toDate(),
          before: moment(currentDate).endOf('day').toDate()
        },
        parameters = getPostsParameters(terms);
    Session.set('currentDate', currentDate);

    parameters.find.createdAt = { $lte: Session.get('listPopulatedAt') };
    var posts = Posts.find(parameters.find, parameters.options);

    // Incoming posts
    parameters.find.createdAt = { $gt: Session.get('listPopulatedAt') };
    var postsIncoming = Posts.find(parameters.find, parameters.options);

    return {
      incoming: postsIncoming,
      posts: posts
    };
  }
});

// Controller for post pages

PostPageController = FastRender.RouteController.extend({
  waitOn: function() {
    this.postSubscription = coreSubscriptions.subscribe('singlePost', this.params._id);
    this.postUsersSubscription = coreSubscriptions.subscribe('postUsers', this.params._id);
    this.commentSubscription = coreSubscriptions.subscribe('postComments', this.params._id);
  },

  post: function() {
    return Posts.findOne(this.params._id);
  },

  onBeforeAction: function(pause) {
    if (! this.post()) {
      if (this.postSubscription.ready()) {
        this.render(getTemplate('not_found'));
        return pause();
      }

      this.render(getTemplate('loading'));
      pause();
    }
  },

  data: function() {
    return this.post();
  }
});


// Controller for comment pages

CommentPageController = FastRender.RouteController.extend({
  waitOn: function() {
    return [
      coreSubscriptions.subscribe('singleComment', this.params._id),
      coreSubscriptions.subscribe('commentUser', this.params._id),
      coreSubscriptions.subscribe('commentPost', this.params._id)
    ];
  },
  data: function() {
    return {
      comment: Comments.findOne(this.params._id)
    };
  },
  onAfterAction: function () {
    window.queueComments = false;
  }
});

// Controller for user pages

UserPageController = FastRender.RouteController.extend({
  waitOn: function() {
    return [
      coreSubscriptions.subscribe('userProfile', this.params._idOrSlug)
    ]
  },
  data: function() {
    var findById = Meteor.users.findOne(this.params._idOrSlug);
    var findBySlug = Meteor.users.findOne({slug: this.params._idOrSlug});
    if(typeof findById !== "undefined"){
      // redirect to slug-based URL
      Router.go(getProfileUrl(findById), {replaceState: true});
    }else{
      return {
        user: (typeof findById == "undefined") ? findBySlug : findById
      };
    }
  }
});

// Controller for user account editing

AccountController = FastRender.RouteController.extend({
  waitOn: function() {
    return coreSubscriptions.subscribe('invites');
  },
  data: function() {
    return {
      user : Meteor.user(),
      invites: Invites.find({invitingUserId:Meteor.userId()})
    };
  }
});

var getDefaultViewController = function () {
  var defaultView = getSetting('defaultView', 'top');
  defaultView = defaultView.charAt(0).toUpperCase() + defaultView.slice(1);
  return eval("Posts"+defaultView+"Controller");
};

//--------------------------------------------------------------------------------------------------//
//--------------------------------------------- Routes ---------------------------------------------//
//--------------------------------------------------------------------------------------------------//
Meteor.startup(function () {

  Router.map(function() {

    // -------------------------------------------- Post Lists -------------------------------------------- //

    this.route('posts_default', {
      path: '/',
      controller: getDefaultViewController()
    });

    this.route('posts_top', {
      path: '/top/:limit?',
      controller: PostsTopController
    });

    // New

    this.route('posts_new', {
      path: '/new/:limit?',
      controller: PostsNewController
    });

    // Best

    this.route('posts_best', {
      path: '/best/:limit?',
      controller: PostsBestController
    });

    // Pending

    this.route('posts_pending', {
      path: '/pending/:limit?',
      controller: PostsPendingController
    });



    // TODO: enable /category/new, /category/best, etc. views


    // Digest

    this.route('posts_digest', {
      path: '/digest/:year/:month/:day',
      controller: PostsDigestController
    });

    this.route('posts_digest', {
      path: '/digest',
      controller: PostsDigestController
    });

    // -------------------------------------------- Post -------------------------------------------- //


    // Post Page

    this.route('post_page', {
      template: getTemplate('post_page'),
      path: '/posts/:_id',
      controller: PostPageController
    });

    this.route('post_page', {
      template: getTemplate('post_page'),
      path: '/posts/:_id/comment/:commentId',
      controller: PostPageController,
      onAfterAction: function () {
        // TODO: scroll to comment position
      }
    });

    // Post Edit

    this.route('post_edit', {
      template: getTemplate('post_edit'),
      path: '/posts/:_id/edit',
      waitOn: function () {
        return [
          coreSubscriptions.subscribe('singlePost', this.params._id),
          coreSubscriptions.subscribe('allUsersAdmin')
        ];
      },
      data: function() {
        return {
          postId: this.params._id,
          post: Posts.findOne(this.params._id)
        };
      },
      fastRender: true
    });

    // Post Submit

    this.route('post_submit', {
      template: getTemplate('post_submit'),
      path: '/submit'
    });

    // -------------------------------------------- Comment -------------------------------------------- //

    // Comment Reply

    this.route('comment_reply', {
      template: getTemplate('comment_reply'),
      path: '/comments/:_id',
      controller: CommentPageController,
      onAfterAction: function() {
        window.queueComments = false;
      }
    });

    // Comment Edit

    this.route('comment_edit', {
      template: getTemplate('comment_edit'),
      path: '/comments/:_id/edit',
      controller: CommentPageController,
      onAfterAction: function() {
        window.queueComments = false;
      }
    });

    // -------------------------------------------- Users -------------------------------------------- //

    // User Logout

    this.route('signOut', {
      path: '/sign-out',
      onBeforeAction: function(pause) {
        Meteor.logout(function() {
          return Router.go('/');
        });
        return pause();
      }
    });

    // User Profile

    this.route('user_profile', {
      template: getTemplate('user_profile'),
      path: '/users/:_idOrSlug',
      controller: UserPageController
    });

    // User Edit

    this.route('user_edit', {
      template: getTemplate('user_edit'),
      path: '/users/:_idOrSlug/edit',
      controller: UserPageController
    });

    // Account

    this.route('account', {
      template: getTemplate('user_edit'),
      path: '/account',
      controller: AccountController
    });

    // All Users

    this.route('all-users', {
      template: getTemplate('users'),
      path: '/all-users/:limit?',
      waitOn: function() {
        var limit = parseInt(this.params.limit) || 20;
        return coreSubscriptions.subscribe('allUsers', this.params.filterBy, this.params.sortBy, limit);
      },
      data: function() {
        var limit = parseInt(this.params.limit) || 20,
            parameters = getUsersParameters(this.params.filterBy, this.params.sortBy, limit),
            filterBy = (typeof this.params.filterBy === 'string') ? this.params.filterBy : 'all',
            sortBy = (typeof this.params.sortBy === 'string') ? this.params.sortBy : 'createdAt';
        Session.set('usersLimit', limit);
        return {
          users: Meteor.users.find(parameters.find, parameters.options),
          filterBy: filterBy,
          sortBy: sortBy
        };
      },
      fastRender: true
    });

    // Unsubscribe (from notifications)

    this.route('unsubscribe', {
      template: getTemplate('unsubscribe'),
      path: '/unsubscribe/:hash',
      data: function() {
        return {
          hash: this.params.hash
        };
      }
    });

    // -------------------------------------------- Other -------------------------------------------- //



    // Settings

    this.route('settings', {
      template: getTemplate('settings'),
      data: function () {
        // we only have one set of settings for now
        return {
          hasSettings: !!Settings.find().count(),
          settings: Settings.findOne()
        }
      }
    });

   // Loading (for testing purposes)

    this.route('loading', {
      template: getTemplate('loading')
    });

    // Toolbox

    this.route('toolbox',{
      template: getTemplate('toolbox')
    });

    // -------------------------------------------- Server-Side -------------------------------------------- //

    // Link Out

    this.route('out', {
      where: 'server',
      path: '/out',
      action: function(){
        var query = this.request.query;
        if(query.url){
          var decodedUrl = decodeURIComponent(query.url);
          var post = Posts.findOne({url: decodedUrl});
          if(post){
            Posts.update(post._id, {$inc: {clicks: 1}});
          }
          this.response.writeHead(302, {'Location': query.url});
          this.response.end();
        }
      }
    });

    // Notification email

    this.route('notification', {
      where: 'server',
      path: '/email/notification/:id?',
      action: function() {
        var notification = Notifications.findOne(this.params.id);
        var notificationContents = buildEmailNotification(notification);
        this.response.write(notificationContents.html);
        this.response.end();
      }
    });

    // New user email

    this.route('newUser', {
      where: 'server',
      path: '/email/new-user/:id?',
      action: function() {
        var user = Meteor.users.findOne(this.params.id);
        var emailProperties = {
          profileUrl: getProfileUrl(user),
          username: getUserName(user)
        };
      console.log(Handlebars);

        console.log(Handlebars.templates);

        html = getEmailTemplate('emailNewUser')(emailProperties);
        this.response.write(buildEmailTemplate(html));
        this.response.end();
      }
    });

    // New post email

    this.route('newPost', {
      where: 'server',
      path: '/email/new-post/:id?',
      action: function() {
        var post = Posts.findOne(this.params.id);
        html = Handlebars.templates[getTemplate('emailNewPost')](getPostProperties(post));
        this.response.write(buildEmailTemplate(html));
        this.response.end();
      }
    });

    // Account approved email

    this.route('accountApproved', {
      where: 'server',
      path: '/email/account-approved/:id?',
      action: function() {
        var user = Meteor.users.findOne(this.params.id);
        var emailProperties = {
          profileUrl: getProfileUrl(user),
          username: getUserName(user),
          siteTitle: getSetting('title'),
          siteUrl: getSiteUrl()
        };
        html = Handlebars.templates[getTemplate('emailAccountApproved')](emailProperties);
        this.response.write(buildEmailTemplate(html));
        this.response.end();
      }
    });
  });

});

// adding common subscriptions that's need to be loaded on all the routes
// notification does not included here since it is not much critical and
// it might have considerable amount of docs
if(Meteor.isServer) {
  FastRender.onAllRoutes(function() {
    var router = this;
    _.each(preloadSubscriptions, function(sub){
      router.subscribe(sub);
    });
  });
}