import asyncio
from typing import Optional
from fastapi import APIRouter, Depends, HTTPException
from app.core.state import state_manager
from app.drivers.wiz import WizDriver
from app.api.deps import verify_token

router = APIRouter(dependencies=[Depends(verify_token)])
wiz = WizDriver()


@router.post("/device/{device_id}")
async def control_device(
    device_id: str,
    state: Optional[bool] = None,
    brightness: Optional[int] = None,
    scene: Optional[str] = None,
    temp: Optional[int] = None,
    r: Optional[int] = None,
    g: Optional[int] = None,
    b: Optional[int] = None,
):
    device = state_manager.devices.get(device_id)
    if not device:
        raise HTTPException(status_code=404, detail="Лампа не в сети")

    params = {}
    if state is not None:
        params["state"] = state
    if brightness is not None:
        params["dimming"] = brightness

    if scene and scene in wiz.SCENES:
        params["sceneId"] = wiz.SCENES[scene]
    elif temp is not None:
        params["temp"] = temp
    elif any(v is not None for v in [r, g, b]):
        params["r"], params["g"], params["b"] = r or 0, g or 0, b or 0

    if not params:
        raise HTTPException(status_code=400, detail="Никаких команд не передано")

    result = await wiz.set_pilot(device.ip, params)
    return {"device_id": device_id, "applied": params, "result": result}


@router.post("/group/{group_id}")
async def control_group(
    group_id: str,
    state: Optional[bool] = None,
    brightness: Optional[int] = None,
    scene: Optional[str] = None,
    temp: Optional[int] = None,
    r: Optional[int] = None,
    g: Optional[int] = None,
    b: Optional[int] = None,
):
    ips = state_manager.get_group_ips(group_id)
    if not ips:
        raise HTTPException(status_code=404, detail="Группа не найдена или оффлайн")

    params = {}
    if state is not None:
        params["state"] = state
    if brightness is not None:
        params["dimming"] = brightness

    if scene and scene in wiz.SCENES:
        params["sceneId"] = wiz.SCENES[scene]
    elif temp is not None:
        params["temp"] = temp
    elif any(v is not None for v in [r, g, b]):
        params["r"], params["g"], params["b"] = r or 0, g or 0, b or 0

    tasks = [wiz.set_pilot(ip, params) for ip in ips]

    await asyncio.gather(*tasks, return_exceptions=True)
    return {"status": "ok", "applied": params, "sent_to": ips}


@router.post("/device/{device_id}/blink")
async def blink_device(device_id: str):
    device = state_manager.devices.get(device_id)
    if not device:
        raise HTTPException(status_code=404, detail="Лампа оффлайн")

    await wiz.set_pilot(device.ip, {"sceneId": 34, "speed": 100})
    await asyncio.sleep(3)
    await wiz.set_pilot(device.ip, {"state": False})

    return {"status": "blink_sent"}


@router.get("/device/{device_id}/status")
async def get_device_status(device_id: str):
    """Опрос реального состояния конкретной лампы."""
    device = state_manager.devices.get(device_id)
    if not device:
        raise HTTPException(status_code=404, detail="Лампа оффлайн или не найдена")

    try:
        status = await wiz.get_pilot(device.ip)
        return {"device_id": device_id, "status": status.get("result", {})}
    except Exception as e:
        raise HTTPException(status_code=500, detail=f"Ошибка опроса лампы: {e}")


@router.get("/group/{group_id}/status")
async def get_group_status(group_id: str):
    """Опрос состояния всей группы (возвращает список статусов)."""
    ips = state_manager.get_group_ips(group_id)
    if not ips:
        raise HTTPException(status_code=404, detail="Группа не найдена или оффлайн")

    # Опрашиваем все лампы группы параллельно
    tasks = [wiz.get_pilot(ip) for ip in ips]
    results = await asyncio.gather(*tasks, return_exceptions=True)

    # Формируем красивый ответ
    status_report = []
    for ip, res in zip(ips, results):
        if isinstance(res, Exception):
            status_report.append({"ip": ip, "error": str(res)})
        else:
            status_report.append({"ip": ip, "status": res.get("result", {})})

    return {"group_id": group_id, "results": status_report}