define([
  './gate',
  './details-view',
  './header-view'
], function (Gate, DetailsView, HeaderView) {

  return Marionette.Controller.extend({

    initialize: function (options) {
      this.app = options.app;
      this.canEdit = this.app.canEdit;
      this.listenTo(this.app.gates, 'select', this.onSelect);
      this.listenTo(this.app.gates, 'destroy', this.onDestroy);
    },

    index: function () {
      this.app.gates.fetch();
    },

    show: function (id) {
      var that = this;
      this.app.gates.fetch().done(function () {
        var gate = that.app.gates.get(id);
        if (gate != null) {
          gate.trigger('select', gate, { trigger: false });
        }
      });
    },

    onSelect: function (gate, options) {
      var that = this,
          route = 'show/' + gate.id,
          opts = _.defaults(options || {}, { trigger: true });
      if (opts.trigger) {
        this.app.router.navigate(route);
      }
      this.app.gatesView.highlight(gate.id);
      gate.fetch().done(function () {
        var headerView = new HeaderView({
          model: gate,
          canEdit: that.canEdit
        });
        that.app.layout.headerRegion.show(headerView);

        var detailsView = new DetailsView({
          model: gate,
          canEdit: that.canEdit,
          metrics: that.app.metrics,
          periods: that.app.periods
        });
        that.app.layout.detailsRegion.show(detailsView);
      });
    },

    onDestroy: function () {
      this.app.router.navigate('');
      this.app.layout.headerRegion.reset();
      this.app.layout.detailsRegion.reset();
      this.app.layout.renderIntro();
      this.app.gatesView.highlight(null);
    }

  });

});