from typing import Any, Dict
import httpx
from fastapi import APIRouter, Depends, HTTPException

from ..auth import get_current_user
from ..runtime import get_runtime_settings
from ..clients.jellyseerr import JellyseerrClient
from ..clients.sonarr import SonarrClient
from ..clients.radarr import RadarrClient
from ..clients.prowlarr import ProwlarrClient
from ..clients.qbittorrent import QBittorrentClient
from ..clients.jellyfin import JellyfinClient

router = APIRouter(prefix="/status", tags=["status"], dependencies=[Depends(get_current_user)])


async def _check(name: str, configured: bool, func) -> Dict[str, Any]:
    if not configured:
        return {"name": name, "status": "not_configured"}
    try:
        result = await func()
        return {"name": name, "status": "up", "detail": result}
    except httpx.HTTPError as exc:
        return {"name": name, "status": "down", "message": str(exc)}
    except Exception as exc:
        return {"name": name, "status": "down", "message": str(exc)}


@router.get("/services")
async def services_status() -> Dict[str, Any]:
    runtime = get_runtime_settings()
    jellyseerr = JellyseerrClient(runtime.jellyseerr_base_url, runtime.jellyseerr_api_key)
    sonarr = SonarrClient(runtime.sonarr_base_url, runtime.sonarr_api_key)
    radarr = RadarrClient(runtime.radarr_base_url, runtime.radarr_api_key)
    prowlarr = ProwlarrClient(runtime.prowlarr_base_url, runtime.prowlarr_api_key)
    qbittorrent = QBittorrentClient(
        runtime.qbittorrent_base_url, runtime.qbittorrent_username, runtime.qbittorrent_password
    )
    jellyfin = JellyfinClient(runtime.jellyfin_base_url, runtime.jellyfin_api_key)

    services = []
    services.append(
        await _check(
            "Jellyseerr",
            jellyseerr.configured(),
            lambda: jellyseerr.get_recent_requests(take=1, skip=0),
        )
    )
    services.append(
        await _check(
            "Sonarr",
            sonarr.configured(),
            sonarr.get_system_status,
        )
    )
    services.append(
        await _check(
            "Radarr",
            radarr.configured(),
            radarr.get_system_status,
        )
    )
    prowlarr_status = await _check(
        "Prowlarr",
        prowlarr.configured(),
        prowlarr.get_health,
    )
    if prowlarr_status.get("status") == "up":
        health = prowlarr_status.get("detail")
        if isinstance(health, list) and health:
            prowlarr_status["status"] = "degraded"
            prowlarr_status["message"] = "Health warnings"
    services.append(prowlarr_status)
    services.append(
        await _check(
            "qBittorrent",
            qbittorrent.configured(),
            qbittorrent.get_app_version,
        )
    )
    services.append(
        await _check(
            "Jellyfin",
            jellyfin.configured(),
            jellyfin.get_system_info,
        )
    )

    overall = "up"
    if any(s.get("status") == "down" for s in services):
        overall = "down"
    elif any(s.get("status") in {"degraded", "not_configured"} for s in services):
        overall = "degraded"

    return {"overall": overall, "services": services}


@router.post("/services/{service}/test")
async def test_service(service: str) -> Dict[str, Any]:
    runtime = get_runtime_settings()
    jellyseerr = JellyseerrClient(runtime.jellyseerr_base_url, runtime.jellyseerr_api_key)
    sonarr = SonarrClient(runtime.sonarr_base_url, runtime.sonarr_api_key)
    radarr = RadarrClient(runtime.radarr_base_url, runtime.radarr_api_key)
    prowlarr = ProwlarrClient(runtime.prowlarr_base_url, runtime.prowlarr_api_key)
    qbittorrent = QBittorrentClient(
        runtime.qbittorrent_base_url, runtime.qbittorrent_username, runtime.qbittorrent_password
    )
    jellyfin = JellyfinClient(runtime.jellyfin_base_url, runtime.jellyfin_api_key)

    service_key = service.strip().lower()
    checks = {
        "jellyseerr": (
            "Jellyseerr",
            jellyseerr.configured(),
            lambda: jellyseerr.get_recent_requests(take=1, skip=0),
        ),
        "sonarr": ("Sonarr", sonarr.configured(), sonarr.get_system_status),
        "radarr": ("Radarr", radarr.configured(), radarr.get_system_status),
        "prowlarr": ("Prowlarr", prowlarr.configured(), prowlarr.get_health),
        "qbittorrent": ("qBittorrent", qbittorrent.configured(), qbittorrent.get_app_version),
        "jellyfin": ("Jellyfin", jellyfin.configured(), jellyfin.get_system_info),
    }

    if service_key not in checks:
        raise HTTPException(status_code=404, detail="Unknown service")

    name, configured, func = checks[service_key]
    result = await _check(name, configured, func)
    if name == "Prowlarr" and result.get("status") == "up":
        health = result.get("detail")
        if isinstance(health, list) and health:
            result["status"] = "degraded"
            result["message"] = "Health warnings"
    return result