From 49fd7407187f5f08b74dc4aca15557c43ba8e6c6 Mon Sep 17 00:00:00 2001
From: Sean Devine <barelyknown@icloud.com>
Date: Fri, 18 Dec 2015 10:27:06 -0500
Subject: [PATCH] add level button with initial behavior

---
 app/controllers/application.js |  3 ++-
 app/routes/application.js      | 22 +++++++++++++++++++---
 app/templates/application.hbs  |  5 +++++
 3 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/app/controllers/application.js b/app/controllers/application.js
index 489f8e5..2e52b90 100644
--- a/app/controllers/application.js
+++ b/app/controllers/application.js
@@ -1,5 +1,6 @@
 import Ember from 'ember';
 
 export default Ember.Controller.extend({
-  isOn: null
+  isOn: null,
+  level: null
 });
diff --git a/app/routes/application.js b/app/routes/application.js
index f7d88d7..820816e 100644
--- a/app/routes/application.js
+++ b/app/routes/application.js
@@ -1,16 +1,32 @@
 import Ember from 'ember';
 
 export default Ember.Route.extend({
+  levels: [1,2,3,4],
+
   setupController(controller) {
     controller.set('isOn', false);
   },
+
   actions: {
     turnOn() {
-      this.controllerFor('application').set('isOn', true);
-      this.set('isOn', true);
+      const c = this.controllerFor('application');
+      c.set('isOn', true);
+      c.set('level', this.get('levels').objectAt(0));
     },
     turnOff() {
-      this.controllerFor('application').set('isOn', false);
+      const c = this.controllerFor('application');
+      c.set('isOn', false);
+    },
+    nextLevel() {
+      if (this.controllerFor('application').get('isOn')) {
+        const c = this.controllerFor('application');
+        const level = c.get('level');
+        const levelIndex = this.get('levels').indexOf(level);
+        const nextLevel = this.get('levels').objectAt(
+          (levelIndex + 1) % this.get('levels').length
+        );
+        c.set('level', nextLevel);
+      }
     }
   }
 });
diff --git a/app/templates/application.hbs b/app/templates/application.hbs
index fc9fa4b..75606c4 100644
--- a/app/templates/application.hbs
+++ b/app/templates/application.hbs
@@ -1,6 +1,7 @@
 <div id="display">
   {{#if isOn}}
     ON
+    {{level}}
   {{else}}
     OFF
   {{/if}}
@@ -13,3 +14,7 @@
 <button {{action 'turnOn'}}>
   ON
 </button>
+
+<button {{action 'nextLevel'}}>
+  LEVEL
+</button>