""" The HA Text AI integration. @license: CC BY-NC-SA 4.0 International @author: SMKRV @github: https://github.com/smkrv/ha-text-ai @source: https://github.com/smkrv/ha-text-ai """ from __future__ import annotations import logging from typing import Any, Dict import asyncio import voluptuous as vol from homeassistant.config_entries import ConfigEntry from homeassistant.const import CONF_API_KEY, CONF_NAME from homeassistant.core import HomeAssistant, ServiceCall, SupportsResponse from homeassistant.exceptions import ConfigEntryNotReady, HomeAssistantError from homeassistant.helpers import config_validation as cv from homeassistant.helpers import aiohttp_client from homeassistant.util import dt as dt_util from .coordinator import HATextAICoordinator from .api_client import APIClient from .utils import safe_log_data, validate_endpoint from .providers import get_default_endpoint, get_default_model, build_auth_headers from .const import ( DOMAIN, PLATFORMS, CONF_MODEL, CONF_TEMPERATURE, CONF_MAX_TOKENS, CONF_API_ENDPOINT, CONF_REQUEST_INTERVAL, CONF_API_TIMEOUT, CONF_API_PROVIDER, CONF_CONTEXT_MESSAGES, API_PROVIDER_ANTHROPIC, API_PROVIDER_DEEPSEEK, API_PROVIDER_GEMINI, DEFAULT_TEMPERATURE, DEFAULT_MAX_TOKENS, DEFAULT_REQUEST_INTERVAL, DEFAULT_API_TIMEOUT, DEFAULT_CONTEXT_MESSAGES, SERVICE_ASK_QUESTION, SERVICE_CLEAR_HISTORY, SERVICE_GET_HISTORY, SERVICE_SET_SYSTEM_PROMPT, DEFAULT_MAX_HISTORY, CONF_MAX_HISTORY_SIZE, ) _LOGGER = logging.getLogger(__name__) CONFIG_SCHEMA = cv.config_entry_only_config_schema(DOMAIN) SERVICE_SCHEMA_ASK_QUESTION = vol.Schema({ vol.Required("instance"): cv.string, vol.Required("question"): vol.All(cv.string, vol.Length(min=1, max=100000)), vol.Optional("system_prompt"): vol.All(cv.string, vol.Length(max=50000)), vol.Optional("model"): cv.string, vol.Optional("temperature"): vol.All( vol.Coerce(float), vol.Range(min=0.0, max=2.0) ), vol.Optional("max_tokens"): cv.positive_int, vol.Optional("context_messages"): cv.positive_int, vol.Optional("structured_output", default=False): cv.boolean, vol.Optional("json_schema"): vol.All(cv.string, vol.Length(max=50000)), }) SERVICE_SCHEMA_SET_SYSTEM_PROMPT = vol.Schema({ vol.Required("instance"): cv.string, vol.Required("prompt"): cv.string, }) SERVICE_SCHEMA_GET_HISTORY = vol.Schema({ vol.Required("instance"): cv.string, vol.Optional("limit"): cv.positive_int, vol.Optional("filter_model"): cv.string, vol.Optional("start_date"): cv.string, vol.Optional("include_metadata"): cv.boolean, vol.Optional("sort_order"): vol.In(["newest", "oldest"]), }) def get_coordinator_by_instance(hass: HomeAssistant, instance: str) -> HATextAICoordinator: """Get coordinator by instance name.""" if instance.startswith("sensor."): instance = instance.replace("sensor.ha_text_ai_", "", 1) for entry_id, coord in hass.data[DOMAIN].items(): if isinstance(coord, HATextAICoordinator) and coord.instance_name.lower() == instance.lower(): return coord raise HomeAssistantError(f"Instance {instance} not found") async def async_setup(hass: HomeAssistant, config: Dict[str, Any]) -> bool: """Set up the Home Assistant Text AI component.""" # Initialize domain data storage hass.data.setdefault(DOMAIN, {}) async def async_ask_question(call: ServiceCall) -> dict: """Handle ask_question service with response data.""" try: coordinator = get_coordinator_by_instance(hass, call.data["instance"]) response = await coordinator.async_ask_question( question=call.data["question"], model=call.data.get("model"), temperature=call.data.get("temperature"), max_tokens=call.data.get("max_tokens"), system_prompt=call.data.get("system_prompt"), context_messages=call.data.get("context_messages"), structured_output=call.data.get("structured_output", False), json_schema=call.data.get("json_schema"), ) # Return structured response data return { "response_text": response.get("content", ""), "tokens_used": response.get("tokens", {}).get("total", 0), "prompt_tokens": response.get("tokens", {}).get("prompt", 0), "completion_tokens": response.get("tokens", {}).get("completion", 0), "model_used": response.get("model", call.data.get("model", coordinator.model)), "instance": call.data["instance"], "question": call.data["question"], "timestamp": response.get("timestamp"), "success": True } except Exception as err: _LOGGER.error("Error asking question: %s", str(err)) # Return error response return { "response_text": "", "tokens_used": 0, "prompt_tokens": 0, "completion_tokens": 0, "model_used": call.data.get("model", ""), "instance": call.data["instance"], "question": call.data["question"], "timestamp": dt_util.utcnow().isoformat(), "success": False, "error": "Service call failed" } async def async_clear_history(call: ServiceCall) -> None: """Handle clear_history service.""" try: coordinator = get_coordinator_by_instance(hass, call.data["instance"]) await coordinator.async_clear_history() except Exception as err: _LOGGER.error("Error clearing history: %s", str(err)) raise HomeAssistantError(f"Failed to clear history: {str(err)}") async def async_get_history(call: ServiceCall) -> list: """Handle get_history service.""" try: coordinator = get_coordinator_by_instance(hass, call.data["instance"]) return await coordinator.async_get_history( limit=call.data.get("limit"), filter_model=call.data.get("filter_model"), start_date=call.data.get("start_date"), include_metadata=call.data.get("include_metadata", False), sort_order=call.data.get("sort_order", "newest") ) except Exception as err: _LOGGER.error("Error getting history: %s", str(err)) raise HomeAssistantError(f"Failed to get history: {str(err)}") async def async_set_system_prompt(call: ServiceCall) -> None: """Handle set_system_prompt service.""" try: coordinator = get_coordinator_by_instance(hass, call.data["instance"]) await coordinator.async_set_system_prompt(call.data["prompt"]) except Exception as err: _LOGGER.error("Error setting system prompt: %s", str(err)) raise HomeAssistantError(f"Failed to set system prompt: {str(err)}") # Register services hass.services.async_register( DOMAIN, SERVICE_ASK_QUESTION, async_ask_question, schema=SERVICE_SCHEMA_ASK_QUESTION, supports_response=SupportsResponse.OPTIONAL ) hass.services.async_register( DOMAIN, SERVICE_CLEAR_HISTORY, async_clear_history, schema=vol.Schema({vol.Required("instance"): cv.string}) ) hass.services.async_register( DOMAIN, SERVICE_GET_HISTORY, async_get_history, schema=SERVICE_SCHEMA_GET_HISTORY, supports_response=SupportsResponse.OPTIONAL ) hass.services.async_register( DOMAIN, SERVICE_SET_SYSTEM_PROMPT, async_set_system_prompt, schema=SERVICE_SCHEMA_SET_SYSTEM_PROMPT ) return True async def async_check_api(session, endpoint: str, headers: dict, provider: str, api_timeout: int = DEFAULT_API_TIMEOUT) -> bool: """Check API availability for different providers.""" try: if provider == API_PROVIDER_GEMINI: # Gemini API does not support GET /models for validation, just check key presence if headers.get("Authorization", "").replace("Bearer ", ""): return True else: _LOGGER.error("Gemini API key is missing or empty") return False elif provider == API_PROVIDER_ANTHROPIC: check_url = f"{endpoint}/v1/models" elif provider == API_PROVIDER_DEEPSEEK: check_url = f"{endpoint}/models" else: # OpenAI check_url = f"{endpoint}/models" async with asyncio.timeout(api_timeout): async with session.get(check_url, headers=headers) as response: if response.status == 200: return True elif response.status == 401: _LOGGER.error("Invalid API key") return False elif response.status == 429: _LOGGER.warning("Rate limit exceeded during API check") return False else: _LOGGER.error("API check failed with status: %d", response.status) return False except Exception as ex: _LOGGER.error("API check error: %s", str(ex)) return False async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool: """Set up HA Text AI from a config entry.""" _LOGGER.debug("Setting up HA Text AI entry: %s", safe_log_data(dict(entry.data))) try: # Get provider from data or options (options takes precedence) config = {**entry.data, **entry.options} api_provider = config.get(CONF_API_PROVIDER) if not api_provider: _LOGGER.error("API provider not specified") raise ConfigEntryNotReady("API provider is required") session = aiohttp_client.async_get_clientsession(hass) model = config.get(CONF_MODEL, get_default_model(api_provider)) raw_endpoint = config.get(CONF_API_ENDPOINT, get_default_endpoint(api_provider)) try: endpoint = await validate_endpoint(hass, raw_endpoint) except ValueError as err: _LOGGER.error("Invalid API endpoint: %s", err) raise ConfigEntryNotReady(f"Invalid API endpoint: {err}") from err # API key can now be updated via options api_key = config.get(CONF_API_KEY, entry.data.get(CONF_API_KEY)) instance_name = entry.data.get(CONF_NAME, entry.entry_id) request_interval = config.get(CONF_REQUEST_INTERVAL, DEFAULT_REQUEST_INTERVAL) api_timeout = config.get(CONF_API_TIMEOUT, DEFAULT_API_TIMEOUT) max_tokens = config.get(CONF_MAX_TOKENS, DEFAULT_MAX_TOKENS) temperature = config.get(CONF_TEMPERATURE, DEFAULT_TEMPERATURE) max_history_size = config.get(CONF_MAX_HISTORY_SIZE, DEFAULT_MAX_HISTORY) context_messages = config.get(CONF_CONTEXT_MESSAGES, DEFAULT_CONTEXT_MESSAGES) is_anthropic = api_provider == API_PROVIDER_ANTHROPIC headers = build_auth_headers(api_provider, api_key) if not await async_check_api(session, endpoint, headers, api_provider, api_timeout): raise ConfigEntryNotReady("API connection failed") _LOGGER.debug("Creating API client for %s with endpoint %s", api_provider, endpoint) api_client = APIClient( session=session, endpoint=endpoint, headers=headers, api_provider=api_provider, model=model, api_timeout=api_timeout, api_key=api_key, ) coordinator = HATextAICoordinator( hass=hass, client=api_client, model=model, update_interval=request_interval, instance_name=instance_name, max_tokens=max_tokens, temperature=temperature, max_history_size=max_history_size, context_messages=context_messages, is_anthropic=is_anthropic, api_timeout=api_timeout, ) # Initialize coordinator (directories, history, metrics) await coordinator.async_initialize() _LOGGER.debug("Created coordinator for %s", instance_name) # Store coordinator hass.data.setdefault(DOMAIN, {}) hass.data[DOMAIN][entry.entry_id] = coordinator _LOGGER.debug("Stored coordinator in hass.data[%s][%s]", DOMAIN, entry.entry_id) # Set up platforms await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS) # Register update listener for options changes entry.async_on_unload(entry.add_update_listener(async_update_options)) _LOGGER.debug("Setup completed for %s", instance_name) return True except Exception as err: _LOGGER.exception("Error setting up HA Text AI: %s", err) raise async def async_update_options(hass: HomeAssistant, entry: ConfigEntry) -> None: """Handle options update - reload the config entry.""" _LOGGER.info("Options updated for %s, reloading integration", entry.title) await hass.config_entries.async_reload(entry.entry_id) async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool: """Unload a config entry.""" try: if entry.entry_id in hass.data[DOMAIN]: coordinator = hass.data[DOMAIN][entry.entry_id] if hasattr(coordinator.client, 'shutdown'): await coordinator.client.shutdown() await coordinator.async_shutdown() hass.data[DOMAIN].pop(entry.entry_id) return await hass.config_entries.async_unload_platforms(entry, PLATFORMS) except Exception as ex: _LOGGER.exception("Error unloading entry: %s", str(ex)) return False