"""Base entity for Ninlight devices."""

from __future__ import annotations

from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.update_coordinator import CoordinatorEntity

from .const import DEFAULT_PORT, DOMAIN
from .coordinator import NinlightCoordinator, NinlightConfigEntry


class NinlightEntity(CoordinatorEntity[NinlightCoordinator]):
    """Common device info for every entity of one bulb."""

    _attr_has_entity_name = True

    def __init__(self, coordinator: NinlightCoordinator, entry: NinlightConfigEntry) -> None:
        super().__init__(coordinator, context=entry.entry_id)
        mac = (entry.unique_id or "unknown").lower()
        info = coordinator.info or {}
        # Deliberately no `connections={("mac", mac)}`: HA treats a MAC in `connections`
        # as a network-topology link, so a bulb the FRITZ!Box tracker already knows merged
        # into that router-adjacent device and its entity id fell back to the IP. The MAC
        # still identifies the device via unique_id; identifiers are the sole identity here.
        self._attr_device_info = DeviceInfo(
            identifiers={(DOMAIN, mac)},
            # The bulb itself has no user-visible name field that survives rediscovery
            # cleanly, so the entry title (set from mDNS or by the user) names the device.
            name=entry.title,
            manufacturer="Klyqa",
            model=info.get("product_name") or info.get("product"),
            model_id=info.get("device_type"),
            sw_version=info.get("fw_version"),
            configuration_url=f"http://{entry.data['host']}:{entry.data.get('port', DEFAULT_PORT)}/",
        )


def _entry_mac(entry: NinlightConfigEntry) -> str:
    mac: str = entry.unique_id or "unknown"
    return mac.lower()