1 files changed, 92 insertions, 0 deletions
diff --git a/include/py/homekit/mqtt/_node.py b/include/py/homekit/mqtt/_node.py
new file mode 100644
index 0000000..4e259a4
--- /dev/null
+++ b/include/py/homekit/mqtt/_node.py
@@ -0,0 +1,92 @@
+import logging
+import importlib
+
+from typing import List, TYPE_CHECKING, Optional
+from ._payload import MqttPayload
+from ._module import MqttModule
+if TYPE_CHECKING:
+    from ._wrapper import MqttWrapper
+else:
+    MqttWrapper = None
+
+
+class MqttNode:
+    _modules: List[MqttModule]
+    _module_subscriptions: dict[str, MqttModule]
+    _node_id: str
+    _node_secret: str
+    _payload_callbacks: list[callable]
+    _wrapper: Optional[MqttWrapper]
+
+    def __init__(self,
+                 node_id: str,
+                 node_secret: Optional[str] = None):
+        self._modules = []
+        self._module_subscriptions = {}
+        self._node_id = node_id
+        self._node_secret = node_secret
+        self._payload_callbacks = []
+        self._logger = logging.getLogger(self.__class__.__name__)
+        self._wrapper = None
+
+    def on_connect(self, wrapper: MqttWrapper):
+        self._wrapper = wrapper
+        for module in self._modules:
+            if not module.is_initialized():
+                module.on_connect(self)
+                module.set_initialized()
+
+    def on_disconnect(self):
+        self._wrapper = None
+        for module in self._modules:
+            module.unset_initialized()
+
+    def on_message(self, topic, payload):
+        if topic in self._module_subscriptions:
+            payload = self._module_subscriptions[topic].handle_payload(self, topic, payload)
+            if isinstance(payload, MqttPayload):
+                for f in self._payload_callbacks:
+                    f(self, payload)
+
+    def load_module(self, module_name: str, *args, **kwargs) -> MqttModule:
+        module = importlib.import_module(f'..module.{module_name}', __name__)
+        if not hasattr(module, 'MODULE_NAME'):
+            raise RuntimeError(f'MODULE_NAME not found in module {module}')
+        cl = getattr(module, getattr(module, 'MODULE_NAME'))
+        instance = cl(*args, **kwargs)
+        self.add_module(instance)
+        return instance
+
+    def add_module(self, module: MqttModule):
+        self._modules.append(module)
+        if self._wrapper and self._wrapper._connected:
+            module.on_connect(self)
+            module.set_initialized()
+
+    def subscribe_module(self, topic: str, module: MqttModule, qos: int = 1):
+        if not self._wrapper or not self._wrapper._connected:
+            raise RuntimeError('not connected')
+
+        self._module_subscriptions[topic] = module
+        self._wrapper.subscribe(self.id, topic, qos)
+
+    def publish(self,
+                topic: str,
+                payload: bytes,
+                qos: int = 1):
+        self._wrapper.publish(self.id, topic, payload, qos)
+
+    def add_payload_callback(self, callback: callable):
+        self._payload_callbacks.append(callback)
+
+    @property
+    def id(self) -> str:
+        return self._node_id
+
+    @property
+    def secret(self) -> str:
+        return self._node_secret
+
+    @secret.setter
+    def secret(self, secret: str) -> None:
+        self._node_secret = secret