import logging
from homeassistant.core import HomeAssistant
from homeassistant.helpers import device_registry as dr
from .const import DOMAIN

_LOGGER = logging.getLogger(__name__)

async def async_setup(hass: HomeAssistant, config: dict):
    return True

async def async_setup_entry(hass: HomeAssistant, entry):
    """Set up entry, create specific contact device, central hub and forward to platforms."""
    hass.data.setdefault(DOMAIN, {})
    hass.data[DOMAIN][entry.entry_id] = entry.data

    device_registry = dr.async_get(hass)

    # 1. Eigenes Gerät SPEZIFISCH für diesen Account/Kontakt anlegen
    device_registry.async_get_or_create(
        config_entry_id=entry.entry_id,
        identifiers={(DOMAIN, entry.entry_id)},  # Einzigartig pro Eintrag
        name=f"WhatsApp {entry.title}",
        manufacturer="Bahmcloud",
        model="Kontakt-Endpunkt",
        sw_version="0.2.2",
    )

    # 2. Zentralen System-Hub NUR EINMALIG anlegen (wird an den ersten geladenen Account gekoppelt)
    if not hass.data[DOMAIN].get("hub_device_created"):
        device_registry.async_get_or_create(
            config_entry_id=entry.entry_id,
            identifiers={(DOMAIN, "global_bridge_hub")},
            name="WhatsApp Bridge Hub",
            manufacturer="Bahmcloud",
            model="Bridge Server",
            sw_version="0.2.2",
        )
        hass.data[DOMAIN]["hub_device_created"] = True

    # Forward the setup to the sensor platform to create entities
    await hass.config_entries.async_forward_entry_setups(entry, ["sensor"])
    
    # Registriere den Service (nur beim ersten Mal)
    if not hass.services.has_service(DOMAIN, "send_message"):
        from .services import async_setup_services
        await async_setup_services(hass)

    return True

async def async_unload_entry(hass: HomeAssistant, entry):
    """Unload a config entry."""
    unload_ok = await hass.config_entries.async_unload_platforms(entry, ["sensor"])
    if unload_ok:
        hass.data[DOMAIN].pop(entry.entry_id)
    return unload_ok