Add method to get midnight timestamp and update queries to use it

main.py

@@ -70,6 +70,21 @@ class GadgetbridgeMQTTPublisher:
         
         return int(day_start_time.timestamp())
 
+    def get_day_midnight_timestamp_ms(self) -> int:
+        """Get the timestamp for midnight of the current day in milliseconds.
+        Used for XIAOMI_DAILY_SUMMARY_SAMPLE which stores data at midnight."""
+        now = datetime.now()
+        today = now.date()
+        
+        # Daily summary is stored at midnight
+        day_midnight = datetime.combine(today, datetime.min.time())
+        
+        # If current time is before 4am, use yesterday's midnight
+        if now.hour < 4:
+            day_midnight -= timedelta(days=1)
+        
+        return int(day_midnight.timestamp()) * 1000
+
     def initialize_sensors(self):
         """Initialize sensor definitions after device_name is available"""
         self.sensors = [
@@ -304,47 +319,47 @@ class GadgetbridgeMQTTPublisher:
 
     def query_latest_heart_rate(self, cursor) -> Any:
         cursor.execute(
-            "SELECT HEART_RATE FROM XIAOMI_ACTIVITY_SAMPLE ORDER BY TIMESTAMP DESC LIMIT 1"
+            "SELECT HEART_RATE FROM XIAOMI_ACTIVITY_SAMPLE WHERE HEART_RATE > 0 AND HEART_RATE < 255 ORDER BY TIMESTAMP DESC LIMIT 1"
         )
         row = cursor.fetchone()
         return row[0] if row else None
 
     def query_hr_resting(self, cursor) -> Any:
-        day_start_ts = self.get_day_start_timestamp()
+        day_midnight_ts_ms = self.get_day_midnight_timestamp_ms()
         
         cursor.execute(
             "SELECT HR_RESTING FROM XIAOMI_DAILY_SUMMARY_SAMPLE WHERE TIMESTAMP >= ? ORDER BY TIMESTAMP DESC LIMIT 1",
-            (day_start_ts,)
+            (day_midnight_ts_ms,)
         )
         row = cursor.fetchone()
         return row[0] if row else None
 
     def query_hr_max(self, cursor) -> Any:
-        day_start_ts = self.get_day_start_timestamp()
+        day_midnight_ts_ms = self.get_day_midnight_timestamp_ms()
         
         cursor.execute(
             "SELECT HR_MAX FROM XIAOMI_DAILY_SUMMARY_SAMPLE WHERE TIMESTAMP >= ? ORDER BY TIMESTAMP DESC LIMIT 1",
-            (day_start_ts,)
+            (day_midnight_ts_ms,)
         )
         row = cursor.fetchone()
         return row[0] if row else None
 
     def query_hr_avg(self, cursor) -> Any:
-        day_start_ts = self.get_day_start_timestamp()
+        day_midnight_ts_ms = self.get_day_midnight_timestamp_ms()
         
         cursor.execute(
             "SELECT HR_AVG FROM XIAOMI_DAILY_SUMMARY_SAMPLE WHERE TIMESTAMP >= ? ORDER BY TIMESTAMP DESC LIMIT 1",
-            (day_start_ts,)
+            (day_midnight_ts_ms,)
         )
         row = cursor.fetchone()
         return row[0] if row else None
 
     def query_calories(self, cursor) -> Any:
-        day_start_ts = self.get_day_start_timestamp()
+        day_midnight_ts_ms = self.get_day_midnight_timestamp_ms()
         
         cursor.execute(
             "SELECT CALORIES FROM XIAOMI_DAILY_SUMMARY_SAMPLE WHERE TIMESTAMP >= ? ORDER BY TIMESTAMP DESC LIMIT 1",
-            (day_start_ts,)
+            (day_midnight_ts_ms,)
         )
         row = cursor.fetchone()
         return row[0] if row else None
@@ -355,23 +370,34 @@ class GadgetbridgeMQTTPublisher:
         # 1. No data at all -> Assume Awake
         if not row:
             return True 
-        last_ts_epoch = row[0]
+        last_ts_epoch = row[0] // 1000  # Convert from milliseconds to seconds
         is_awake_val = row[1]  # This can be 1, 0, or None (NULL)
-        # 2. Timeout Safety: If last sleep data is older than 4 hours, force Awake
-        # This handles "Band Removed" or "Sync Failed" scenarios where the
-        # user has been up for hours but no new "awake" row was inserted.
-        import time
-        if (int(time.time()) - last_ts_epoch) > (4 * 3600):
+        wakeup_time = row[2]  # Wakeup time in milliseconds
+        
+        # 2. Check if WAKEUP_TIME is in the past (user has woken up)
+        current_time_ms = int(time.time()) * 1000
+        if wakeup_time and wakeup_time <= current_time_ms:
             return True
-        # 3. Explicit Status Check
+        
+        # 3. Timeout Safety: If last sleep data is older than 12 hours, force Awake
+        # This handles "Band Removed" or "Sync Failed" scenarios
+        if (int(time.time()) - last_ts_epoch) > (12 * 3600):
+            return True
+        
+        # 4. Explicit Status Check
         if is_awake_val == 1:
             return True
-        # If is_awake_val is 0 or None, the user is likely asleep (TODO: verify None)
+        
+        # If is_awake_val is 0 or None, the user is likely asleep
         return False 
 
     def query_total_sleep_duration(self, cursor) -> Any:
+        # Get sleep from the last 24 hours
+        day_ago_ts = (int(time.time()) - 24 * 3600) * 1000  # 24 hours ago in milliseconds
+        
         cursor.execute(
-            "SELECT TOTAL_DURATION FROM XIAOMI_SLEEP_TIME_SAMPLE ORDER BY TIMESTAMP DESC LIMIT 1"
+            "SELECT TOTAL_DURATION FROM XIAOMI_SLEEP_TIME_SAMPLE WHERE TIMESTAMP >= ? ORDER BY TIMESTAMP DESC LIMIT 1",
+            (day_ago_ts,)
         )
         row = cursor.fetchone()
         # Convert minutes to hours, round to 2 decimals