Template.userAccount.helpers({
  user: function  () {
    return Meteor.user();
  },
  userFields: function () {
    var userDataSchema = Telescope.schemas.userData._schema;
    var user = Meteor.user();

    // for easier manipulation, transform schema into array of objects, each with fieldName property
    userDataSchema = _.map(userDataSchema, function (value, key) {
      var field = value;
      field.fieldName = "telescope." + key;
      return field;
    });

    // filter out uneditable fields and only keep "fieldName"
    var fields = _.pluck(_.filter(userDataSchema, function(field){
        return Users.can.editField(user, field);
    }), "fieldName");

    return fields;
  },
  profileIncomplete : function() {
    return this && !this.loading && !Users.userProfileComplete(this);
  },
  userName: function(){
    return Users.getUserName(this);
  },
  userEmail : function(){
    return Users.getEmail(this);
  },
  getTwitter: function(){
    return Users.getTwitterName(this) || "";
  },
  getGitHub: function(){
    return Users.getGitHubName(this) || "";
  },
  profileUrl: function(){
    return Users.getProfileUrlBySlugOrId(this.slug);
  },
  hasNotificationsUsers : function(){
    return Users.getUserSetting('notifications.users', '', this) ? 'checked' : '';
  },
  hasNotificationsPosts : function(){
    return Users.getUserSetting('notifications.posts', '', this) ? 'checked' : '';
  },
  hasNotificationsComments : function(){
    return Users.getUserSetting('notifications.comments', '', this) ? 'checked' : '';
  },
  hasNotificationsReplies : function(){
    return Users.getUserSetting('notifications.replies', '', this) ? 'checked' : '';
  },
  hasPassword: function () {
    return Users.hasPassword(Meteor.user());
  }
});

Template.userAccount.events({
  'submit #account-form': function(e){
    e.preventDefault();

    Messages.clearSeen();
    if(!Meteor.user())
      Messages.flash(i18n.t('you_must_be_logged_in'), 'error');

    var $target=$(e.target);
    var name = $target.find('[name=name]').val();
    var email = $target.find('[name=email]').val();
    var user = this;
    var update = {
      "profile.username": name,
      "profile.slug": Telescope.utils.slugify(name),
      "profile.bio": $target.find('[name=bio]').val(),
      "profile.city": $target.find('[name=city]').val(),
      "profile.email": email,
      "profile.twitter": $target.find('[name=twitter]').val(),
      "profile.github": $target.find('[name=github]').val(),
      "profile.site": $target.find('[name=site]').val(),
      "profile.notifications.users": $('input[name=notifications_users]:checked').length, // only actually used for admins
      "profile.notifications.posts": $('input[name=notifications_posts]:checked').length,
      "profile.notifications.comments": $('input[name=notifications_comments]:checked').length,
      "profile.notifications.replies": $('input[name=notifications_replies]:checked').length
    };

    var old_password = $target.find('[name=old_password]').val();
    var new_password = $target.find('[name=new_password]').val();

    if(old_password && new_password){
      Accounts.changePassword(old_password, new_password, function(error){
        // TODO: interrupt update if there's an error at this point
        if(error)
          Messages.flash(error.reason, "error");
      });
    }

    update = Users.hooks.userEditClientCallbacks.reduce(function(result, currentFunction) {
      return currentFunction(user, result);
    }, update);

    Meteor.users.update(user._id, {
      $set: update
    }, function(error){
      if(error){
        Messages.flash(error.reason, "error");
      } else {
        Messages.flash(i18n.t('profile_updated'), 'success');
      }
      Deps.afterFlush(function() {
        var element = $('.grid > .error');
        $('html, body').animate({scrollTop: element.offset().top});
      });
    });

    Meteor.call('changeEmail', user._id, email);

  }

});