TV sleep timer app

apps/sleep.py

@@ -1,14 +1,44 @@
+from datetime import datetime, timedelta
 import json
 
 from appdaemon.entity import Entity
 from appdaemon.plugins.hass.hassapi import Hass
 from appdaemon.plugins.mqtt.mqttapi import Mqtt
+from appdaemon.adbase import ADBase
+
+
+class SleepTV(ADBase):
+    handle: str = None
+
+    def initialize(self):
+        self.adapi = self.get_ad_api()
+        self.adapi.set_log_level('DEBUG')
+        self.sleep_time.listen_state(self.handle_sleep_time_change)
+
+    @property
+    def sleep_time(self) -> Entity:
+        return self.adapi.get_entity(self.args['sleep_time'])
+    
+    @property
+    def tv(self) -> Entity:
+        return self.adapi.get_entity(self.args['tv'])
+
+    def handle_sleep_time_change(self, entity: str, attribute: str, old: str, new: str, **kwargs):
+        now = self.adapi.get_now()
+        dt = datetime.strptime(new, '%H:%M:%S')
+        dt = datetime.combine(now.date(), dt.time())
+
+        if dt.time() < now.time():
+            dt += timedelta(days=1)
+
+        self.adapi.cancel_timer(self.handle, silent=True)
+        self.handle = self.adapi.run_at(lambda **kwargs: self.tv.turn_off(), dt)
 
 
 class SleepSetter(Hass, Mqtt):
     def initialize(self):
         assert self.entity_exists(entity_id=self.variable), f'{self.variable} does not exist'
-        self.listen_state(callback=self.handle_state, entity_id=self.variable)
+        self.variable_entity.listen_state(self.handle_state)
         self.setup_buttons()
 
     def setup_buttons(self):
@@ -20,7 +50,7 @@ class SleepSetter(Hass, Mqtt):
 
     def setup_button(self, name: str):
         topic = f'zigbee2mqtt/{name}'
-        self.mqtt_subscribe(topic, namespace='mqtt')
+        # self.mqtt_subscribe(topic, namespace='mqtt')
         self.listen_event(
             self.handle_button,
             'MQTT_MESSAGE',