"""Health check endpoint."""

from fastapi import APIRouter
from sqlalchemy import text
from sqlalchemy.ext.asyncio import AsyncSession
from fastapi import Depends

from app.cache import ping_cache
from app.database import get_db

router = APIRouter()


@router.get("/health")
async def health_check(db: AsyncSession = Depends(get_db)) -> dict:
    """Return service health status including DB and Redis connectivity."""
    db_ok = False
    try:
        result = await db.execute(text("SELECT 1"))
        db_ok = result.scalar() == 1
    except Exception:
        db_ok = False

    redis_ok = await ping_cache()

    return {
        "status": "ok" if (db_ok and redis_ok) else "degraded",
        "db": "connected" if db_ok else "disconnected",
        "redis": "connected" if redis_ok else "disconnected",
    }