"""
Health check router.
GET /api/health
"""

import logging
from datetime import datetime, timezone

from fastapi import APIRouter

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

logger = logging.getLogger(__name__)

router = APIRouter()


@router.get("/health")
async def health_check():
    """Check system health including MongoDB and Redis connectivity."""
    services = {}

    # Check MongoDB
    try:
        db = get_db()
        await db.command("ping")
        services["mongodb"] = "connected"
    except Exception as e:
        logger.error("MongoDB health check failed: %s", str(e))
        services["mongodb"] = "disconnected"

    # Check Redis
    try:
        redis = get_redis()
        await redis.ping()
        services["redis"] = "connected"
    except Exception as e:
        logger.error("Redis health check failed: %s", str(e))
        services["redis"] = "disconnected"

    # Overall status
    all_connected = all(v == "connected" for v in services.values())
    status = "healthy" if all_connected else "degraded"

    return {
        "status": status,
        "timestamp": datetime.now(timezone.utc).isoformat(),
        "services": services,
    }