platform: arduino: mqtt: implement idle state support

src/platform/arduino/MQTTTelemetry.cpp

@@ -96,6 +96,10 @@ const MQTTEntity Lightswitch {
   "light", Device, "lightswitch"
 };
 
+const MQTTEntity IdleSwitch {
+  "switch", Device, "idle"
+};
+
 const MQTTEntity FPSSensor {
   "sensor", Device, "fps"
 };
@@ -145,6 +149,12 @@ MQTTTelemetry::onMQTTOnline()
   publishDoc(Lightswitch.configTopic().c_str(), true);
   m_mqtt.subscribe(Lightswitch.commandTopic().c_str());
 
+  m_json.clear();
+  IdleSwitch.toJson(m_json);
+
+  publishDoc(IdleSwitch.configTopic().c_str(), true);
+  m_mqtt.subscribe(IdleSwitch.commandTopic().c_str());
+
   publishScenes();
 
   m_json.clear();
@@ -174,6 +184,7 @@ MQTTTelemetry::handleEventOnline(const InputEvent& evt)
     }
   } else {
     String statTopic = Lightswitch.statTopic();
+    String idleTopic = IdleSwitch.statTopic();
     if (evt.intent == InputEvent::SetPower) {
       m_json.clear();
       m_isOn = evt.asInt() ? true : false;
@@ -196,6 +207,14 @@ MQTTTelemetry::handleEventOnline(const InputEvent& evt)
       m_json.clear();
       m_json["state"] = m_isOn ? "ON" : "OFF";
       publishDoc(statTopic.c_str());
+    } else if (evt.intent == InputEvent::IdleStart) {
+      m_json.clear();
+      m_json["state"] = "ON";
+      publishDoc(idleTopic.c_str());
+    } else if (evt.intent == InputEvent::IdleStop) {
+      m_json.clear();
+      m_json["state"] = "OFF";
+      publishDoc(idleTopic.c_str());
     }
   }
 }
@@ -282,6 +301,7 @@ MQTTTelemetry::publishHeartbeat()
 void
 MQTTTelemetry::callback(char* topic, const char* payload)
 {
+    Log.notice("MQTT: %s", topic);
     setEvent(InputEvent::NetworkActivity);
     if (Lightswitch.isCommandTopic(topic)) {
       deserializeJson(m_json, payload);
@@ -292,7 +312,7 @@ MQTTTelemetry::callback(char* topic, const char* payload)
             setEvent(InputEvent{InputEvent::SetPower, true});
           } else if (m_json["state"] == "OFF") {
             Log.notice("Turning off power");
-            setEvent(InputEvent{InputEvent::SetScene, "Idle"});
+            setEvent(InputEvent::IdleStart);
             setEvent(InputEvent{InputEvent::SetPower, false});
           }
       }
@@ -308,17 +328,23 @@ MQTTTelemetry::callback(char* topic, const char* payload)
           setEvent(InputEvent{InputEvent::SetBrightness, m_json["brightness"].as<int>()});
       }
 
-      Log.notice("Event done.");
+    } else if (IdleSwitch.isCommandTopic(topic)) {
+      if (strcmp(payload, "ON") == 0) {
+        Log.notice("Activating idle switch");
+        setEvent(InputEvent::IdleStart);
+      } else if (strcmp(payload, "OFF") == 0) {
+        Log.notice("Deactivating idle switch");
+        setEvent(InputEvent::IdleStop);
+      }
     } else {
       for(auto scene : Static<Sequencer>::instance()->scenes()) {
-        String strName{scene.name};
         MQTTEntity sceneObj {
           "scene",
           Device,
-          strName
+          scene.name
         };
         if (sceneObj.isCommandTopic(topic)) {
-          setEvent(InputEvent{InputEvent::SetScene, scene.name});
+          setEvent(InputEvent{InputEvent::SetScene, scene.name.c_str()});
           return;
         }
       }