import json import logging from typing import TYPE_CHECKING, List import paho.mqtt.client as mqtt from .event_bus import EventHandler, subscribe if TYPE_CHECKING: from .models import ServerState _LOGGER = logging.getLogger(__name__) class MqttController(EventHandler): def __init__(self, state: "ServerState", host: str, port: int, username: str, password: str): super().__init__(state) self._host = host self._port = port self._username = username self._password = password self._device_name = self.state.name self._device_id = self.state.name.lower().replace(" ", "_") self._topic_prefix = f"lva/{self._device_id}" self.CONFIGURABLE_STATES: List[str] = ["idle", "listening", "thinking", "responding", "error"] self.topics = { "mute": { "command": f"{self._topic_prefix}/mute/set", "state": f"{self._topic_prefix}/mute/state" }, "num_leds": { "command": f"{self._topic_prefix}/num_leds/set", "state": f"{self._topic_prefix}/num_leds/state" } } for state_name in self.CONFIGURABLE_STATES: self.topics[state_name] = { "effect_command": f"{self._topic_prefix}/{state_name}_effect/set", "effect_state": f"{self._topic_prefix}/{state_name}_effect/state", "light_command": f"{self._topic_prefix}/{state_name}_light/set", "light_state": f"{self._topic_prefix}/{state_name}_light/state", } self._client = mqtt.Client() self._client.on_connect = self._on_connect self._client.on_message = self._on_message def start(self): try: if self._username: self._client.username_pw_set(self._username, self._password) _LOGGER.debug("Connecting to MQTT broker at %s:%s", self._host, self._port) self._client.connect(self._host, self._port, 60) self._client.loop_start() except Exception: _LOGGER.exception("Failed to connect to MQTT broker") def stop(self): self._client.publish(f"{self._topic_prefix}/availability", "offline", retain=True) self._client.loop_stop() self._client.disconnect() _LOGGER.debug("Disconnected from MQTT broker") def _on_connect(self, client, userdata, flags, rc): if rc == 0: _LOGGER.info("Connected to MQTT broker") for entity_type in self.topics.values(): for topic_type, topic in entity_type.items(): client.subscribe(topic) self._publish_discovery_configs() else: _LOGGER.error("Failed to connect to MQTT, return code %d", rc) def _on_message(self, client, userdata, msg): payload_str = msg.payload.decode() _LOGGER.debug("Received MQTT message on topic %s", msg.topic) if msg.topic == self.topics["mute"]["command"]: self.state.event_bus.publish("set_mic_mute", {"state": payload_str.upper() == "ON"}) elif msg.topic == self.topics["num_leds"]["command"]: try: num_leds = int(payload_str) self.state.event_bus.publish("set_num_leds", {"num_leds": num_leds}) if self.state.preferences.num_leds != num_leds: self.state.preferences.num_leds = num_leds self.state.save_preferences() self.publish_num_leds_state(num_leds) except ValueError: pass for state_name in self.CONFIGURABLE_STATES: state_topics = self.topics[state_name] if msg.topic == state_topics["effect_command"]: effect_id = payload_str.lower().replace(" ", "_") self.state.event_bus.publish(f"set_{state_name}_effect", {"effect": effect_id}) elif msg.topic == state_topics["light_command"]: # --- THIS IS THE FIX --- # This logic now correctly separates on/off from color/brightness # and no longer overrides the selected effect. try: data = json.loads(payload_str) if "state" in data: # Handle on/off commands if data["state"].upper() == "OFF": self.state.event_bus.publish(f"set_{state_name}_effect", {"effect": "off"}) else: # ON command # When turning ON, we don't change the effect, just the color/brightness. # If the current effect is "Off", we should switch to something sensible like "Solid". self.state.event_bus.publish(f"turn_on_{state_name}") # Handle color or brightness changes if "color" in data or "brightness" in data: self.state.event_bus.publish(f"set_{state_name}_color", data) except json.JSONDecodeError: pass # Handle retained state messages on startup elif msg.topic == state_topics["effect_state"]: effect_id = payload_str.lower().replace(" ", "_") self.state.event_bus.publish(f"set_{state_name}_effect", {"effect": effect_id, "retained": True}) elif msg.topic == state_topics["light_state"]: try: data = json.loads(payload_str) data["retained"] = True self.state.event_bus.publish(f"set_{state_name}_color", data) except json.JSONDecodeError: pass def _publish_discovery_configs(self): availability_topic = f"{self._topic_prefix}/availability" device_info = { "identifiers": [self._device_id], "name": self._device_name, "manufacturer": "LVA Project" } options = ["Off", "Solid", "Slow Pulse", "Medium Pulse", "Fast Pulse", "Slow Blink", "Medium Blink", "Fast Blink", "Spin"] mute_cfg = { "name": "Mute Microphone", "unique_id": f"{self._device_id}_mute", "command_topic": self.topics["mute"]["command"], "state_topic": self.topics["mute"]["state"], "availability_topic": availability_topic, "icon": "mdi:microphone-off", "device": device_info } self._client.publish(f"homeassistant/switch/{self._device_id}_mute/config", json.dumps(mute_cfg), retain=True) num_leds_cfg = { "name": "Number of LEDs", "unique_id": f"{self._device_id}_num_leds", "command_topic": self.topics["num_leds"]["command"], "state_topic": self.topics["num_leds"]["state"], "availability_topic": availability_topic, "min": 1, "max": 256, "step": 1, "icon": "mdi:counter", "device": device_info, "mode": "box", "entity_category": "config" } self._client.publish(f"homeassistant/number/{self._device_id}_num_leds/config", json.dumps(num_leds_cfg), retain=True) for state_name in self.CONFIGURABLE_STATES: capital_name = state_name.title() select_cfg = { "name": f"{capital_name} Effect", "unique_id": f"{self._device_id}_{state_name}_effect", "command_topic": self.topics[state_name]["effect_command"], "state_topic": self.topics[state_name]["effect_state"], "availability_topic": availability_topic, "options": options, "icon": "mdi:palette-swatch-variant", "device": device_info, "entity_category": "config" } self._client.publish(f"homeassistant/select/{self._device_id}_{state_name}_effect/config", json.dumps(select_cfg), retain=True) light_cfg = { "name": f"{capital_name} Color", "unique_id": f"{self._device_id}_{state_name}_color", "schema": "json", "command_topic": self.topics[state_name]["light_command"], "state_topic": self.topics[state_name]["light_state"], "availability_topic": availability_topic, "brightness": True, "color_mode": True, "supported_color_modes": ["rgb"], "device": device_info, "entity_category": "config" } self._client.publish(f"homeassistant/light/{self._device_id}_{state_name}_color/config", json.dumps(light_cfg), retain=True) _LOGGER.debug("Published all MQTT discovery configs") self._client.publish(availability_topic, "online", retain=True) self.publish_mute_state(self.state.mic_muted) self.publish_num_leds_state(self.state.preferences.num_leds) def publish_mute_state(self, is_muted: bool): self._client.publish(self.topics["mute"]["state"], "ON" if is_muted else "OFF", retain=True) def publish_num_leds_state(self, num_leds: int): self._client.publish(self.topics["num_leds"]["state"], str(num_leds), retain=True) @subscribe def publish_state_to_mqtt(self, data: dict): state_name = data.get("state_name") if state_name in self.topics: state_topics = self.topics[state_name] effect_name = data.get("effect", "off").replace("_", " ").title() self._client.publish(state_topics["effect_state"], effect_name, retain=True) light_state = { "state": "ON" if data.get("effect") != "off" else "OFF", "brightness": int(data.get("brightness", 0.5) * 255), "color": { "r": data.get("color")[0], "g": data.get("color")[1], "b": data.get("color")[2] } } self._client.publish(state_topics["light_state"], json.dumps(light_state), retain=True)