added better roku integration

tools/rokuHandler.py

@@ -48,6 +48,13 @@ COMMANDS = {
 }
 
 class RokuWrapper():
+	def _send_msg(self, code: int, msg: object):
+		try:
+			content = json.dumps(msg).encode()
+			self.parent._send(code, content)
+		except Exception as e:
+			print(e)
+	
 	def __init__(self, parent):
 		self.parent = parent
   
@@ -59,22 +66,22 @@ class RokuWrapper():
 			print(f"Roku client connected to {ROKU_IP}", flush=True)
 		except Exception as e:
 			self.parent.log_error("Failed to create Roku client: %s", e)
-			return self.parent._send(500, json.dumps({"error": "roku connection failed"}).encode())
+			return self._send_msg(500, {"error": "roku connection failed"})
 
 	def run_command(self, command: str):
 		if not command:
-			return self.parent._send(404, json.dumps({"error": "command not given"}).encode())
+			return self._send_msg(404, {"error": "command not given"})
 		command = command.split('/')[0]
 
 		# If command is not known, nothing to do
 		if command not in COMMANDS:
-			return self.parent._send(404, json.dumps({"error": "unknown command"}).encode())
+			return self._send_msg(404, {"error": f"unknown command. Available commands: {", ".join(COMMANDS.keys())}"})
 
 		if hasattr(self.rapp, command):
 			attr = getattr(self.rapp, command)
 			if callable(attr):
 				attr()
-				return {"result": f"{command} executed"}
+				return self._send_msg(200, {"result": f"{command} executed"})
 
 		# Fallback: send the Roku key name using common API methods
 		key_name = COMMANDS[command]
@@ -84,8 +91,8 @@ class RokuWrapper():
 				fn = getattr(self.rapp, send_fn)
 				try:
 					fn(key_name)
-					return {"result": f"{command} sent as {key_name} via {send_fn}"}
+					return self._send_msg(200, {"result": f"{command} sent as {key_name} via {send_fn}"})
 				except TypeError:
 					continue
 
-		self.parent._send(404, json.dumps({"error": "unknown endpoint"}).encode())
+		self._send_msg(404, {"error": "unknown endpoint"})