From 2a8d569bb5e917fa40e6158bfc452647e73e4cfd Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <wolfgang.hottgenroth@icloud.com>
Date: Tue, 11 Nov 2025 11:01:52 +0100
Subject: [PATCH] shelly

---
 apps/abstraction/main.py | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

diff --git a/apps/abstraction/main.py b/apps/abstraction/main.py
index b79aefc..8f483e2 100644
--- a/apps/abstraction/main.py
+++ b/apps/abstraction/main.py
@@ -181,9 +181,10 @@ async def handle_abstract_set(
     # Transform abstract payload to vendor-specific format
     vendor_payload = transform_abstract_to_vendor(device_type, device_technology, abstract_payload)
     
-    # For MAX! thermostats, vendor_payload is a plain string (integer temperature)
+    # For MAX! thermostats and Shelly relays, vendor_payload is a plain string
     # For other devices, it's a dict that needs JSON encoding
-    if device_technology == "max" and device_type == "thermostat":
+    if (device_technology == "max" and device_type == "thermostat") or \
+       (device_technology == "shelly" and device_type == "relay"):
         vendor_message = vendor_payload  # Already a string
     else:
         vendor_message = json.dumps(vendor_payload)
@@ -339,9 +340,21 @@ async def mqtt_worker(config: dict[str, Any], redis_client: aioredis.Redis) -> N
                             max_device_type = device["type"]
                             break
                     
+                    # Check for Shelly relay (also sends plain text)
+                    is_shelly_relay = False
+                    shelly_device_id = None
+                    shelly_device_type = None
+                    for device_id, device in devices.items():
+                        if device.get("technology") == "shelly" and device.get("type") == "relay":
+                            if topic == device["topics"]["state"]:
+                                is_shelly_relay = True
+                                shelly_device_id = device_id
+                                shelly_device_type = device["type"]
+                                break
+                    
                     # Parse payload based on device technology
-                    if is_max_device:
-                        # MAX! sends plain integer/string, not JSON
+                    if is_max_device or is_shelly_relay:
+                        # MAX! and Shelly send plain text, not JSON
                         payload = payload_str.strip()
                     else:
                         # All other technologies use JSON
@@ -377,6 +390,14 @@ async def mqtt_worker(config: dict[str, Any], redis_client: aioredis.Redis) -> N
                                 client, redis_client, max_device_id, max_device_type, 
                                 device_technology, payload, redis_channel
                             )
+                        # For Shelly relay devices, we already identified them above
+                        elif is_shelly_relay:
+                            device = devices[shelly_device_id]
+                            device_technology = device.get("technology", "unknown")
+                            await handle_vendor_state(
+                                client, redis_client, shelly_device_id, shelly_device_type, 
+                                device_technology, payload, redis_channel
+                            )
                         else:
                             # Find device by vendor state topic for other technologies
                             for device_id, device in devices.items():