🐛 Correct holiday mode management

We set a boolean but outcome is a 3-state system

Fix #75

Change-Id: Ie1b4d192c0640c1181c2d523098ae1e3b1d1fa18

custom_components/aquarea/definitions.py

@@ -229,7 +229,6 @@ class HeishaMonNumberEntityDescription(
     # function to transform selected option in value sent via mqtt
     state_to_mqtt: Optional[Callable] = None
 
-
 def bit_to_bool(value: str) -> Optional[bool]:
     if value == "1":
         return True
@@ -485,6 +484,17 @@ def build_selects(mqtt_prefix: str) -> list[HeishaMonSelectEntityDescription]:
     ]
 
 
+def read_holiday_status(value: str) -> str:
+    if value == "0":
+        return "Off"
+    elif value == "1":
+        return "Scheduled"
+    else:
+        return "Active"
+
+def read_holiday_status_to_bool(value: str) -> bool:
+    return value != "0"
+
 def build_switches(mqtt_prefix: str) -> list[HeishaMonSwitchEntityDescription]:
     return [
         HeishaMonSwitchEntityDescription(
@@ -501,7 +511,7 @@ def build_switches(mqtt_prefix: str) -> list[HeishaMonSwitchEntityDescription]:
             command_topic=f"{mqtt_prefix}commands/SetHolidayMode",
             name="Aquarea Holiday Mode",
             entity_category=EntityCategory.CONFIG,
-            state=bit_to_bool,
+            state=read_holiday_status_to_bool,
         ),
         HeishaMonSwitchEntityDescription(
             heishamon_topic_id="SET10",  # also corresponds to TOP2
@@ -771,6 +781,13 @@ def build_sensors(mqtt_prefix: str) -> list[HeishaMonSensorEntityDescription]:
             state_class=SensorStateClass.MEASUREMENT,
             # original template states "force_update" FIXME
         ),
+        HeishaMonSensorEntityDescription(
+            heishamon_topic_id="TOP19",
+            key=f"{mqtt_prefix}main/Holiday_Mode_State",
+            name="Aquarea Holiday Mode",
+            entity_category=EntityCategory.CONFIG,
+            state=read_holiday_status,
+        ),
         HeishaMonSensorEntityDescription(
             heishamon_topic_id="TOP20",
             key=f"{mqtt_prefix}main/ThreeWay_Valve_State",