if (Meteor.isClient) {

  function controller_state() {
    var controller = Session.get('controller_id');
    var result = {}
    if (controller) {
      result = ControllerState.findOne({
        controller_id: controller
      });
    }

    if (!result) {
      result = {}
    };
    return result;
  };

  Template.state.helpers({
    controller_state: controller_state,
    pretty_valve: function(state) {
      if (state === 'open') return "Otvoren";
      if (state === 'opening') return "Otvara se";
      if (state === 'closing') return "Zatvara se";
      if (state === 'closed') return "Zatvoren";
    },

    water_now_button_class: function () {
      var stateObject = controller_state();
      if (stateObject.state && (  stateObject.state.out_valve === 'open' || stateObject.state.out_valve === 'opening' )) {
        return 'hidden';
      } else {
        return '';
      }
    },
    stop_button_class: function () {
      var stateObject = controller_state();
      if (stateObject.state && (  stateObject.state.out_valve === 'closed' || stateObject.state.out_valve === 'closing' )) {
        return 'hidden';
      } else {
        return '';
      }
    }

  });

  Template.state.events({
    'click #water_now': function() {
      var controller_id = Session.get('controller_id');
      Meteor.call('openOutValve',controller_id )
    },

    'click #stop_water_now': function() {
      var controller_id = Session.get('controller_id');
      Meteor.call('closeOutValve',controller_id )
    }

  });
}