"""Health check endpoint — outside /api/v1 prefix for Docker healthchecks."""

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

from app.database import get_db
from app.redis import get_redis

router = APIRouter()


@router.get("/health")
async def health_check(db: AsyncSession = Depends(get_db)):
    """Basic health check — verifies API, DB, and Redis are reachable."""
    checks = {"api": "ok", "database": "error", "redis": "error"}

    try:
        await db.execute(text("SELECT 1"))
        checks["database"] = "ok"
    except Exception:
        pass

    try:
        redis = await get_redis()
        await redis.ping()
        checks["redis"] = "ok"
    except Exception:
        pass

    healthy = all(v == "ok" for v in checks.values())
    return {"status": "healthy" if healthy else "degraded", "checks": checks}