"""Health and version endpoints required by AppFactory."""

from __future__ import annotations

import logging

from fastapi import APIRouter

from ..deps import get_container
from ..models import HealthResponse

logger = logging.getLogger(__name__)

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


@router.get("/health", response_model=HealthResponse, summary="Stav sluzby")
async def health() -> HealthResponse:
    container = get_container()

    engines = {}
    for name, engine in container.engines.items():
        try:
            engines[name] = await engine.available()
        except Exception as exc:
            logger.error("Engine availability check failed", extra={"engine": name}, exc_info=exc)
            engines[name] = False

    status = "ok" if any(engines.values()) else "degraded"
    return HealthResponse(
        status=status,
        app=container.settings.app_name,
        version=container.settings.app_version,
        engines=engines,
        queue=container.jobs.stats(),
    )


@router.get("/version", summary="Verze a zakladni informace o sluzbe")
async def version() -> dict:
    settings = get_container().settings
    return {
        "app": settings.app_name,
        "version": settings.app_version,
        "language": "python",
        "root_path": settings.root_path,
    }