from fastapi import APIRouter, HTTPException
from lightsync.models.device import DeviceConfig
import lightsync.main as state  # access registry via module-level ref

router = APIRouter(tags=["devices"])


@router.get("")
async def list_devices() -> list[DeviceConfig]:
    return state.registry.list_all()


@router.post("", status_code=201)
async def add_device(config: DeviceConfig) -> DeviceConfig:
    state.registry.add(config)
    await state.registry.save()
    return config


@router.delete("/{device_id}", status_code=204)
async def remove_device(device_id: str):
    if not state.registry.remove(device_id):
        raise HTTPException(404, "Device not found")
    await state.registry.save()