"""Monitoring API router.

GET /ai/v2/monitoring/model-health — returns status of all loaded models
with metrics and prediction stats.
"""

from fastapi import APIRouter, Depends

from app.api.v2.dependencies import get_monitoring_service
from app.schemas.monitoring import MonitoringResponse
from app.services.monitoring_service import MonitoringService

router = APIRouter(prefix="/ai/v2", tags=["monitoring"])


@router.get(
    "/monitoring/model-health",
    response_model=MonitoringResponse,
    summary="Model Health",
    description=(
        "Return status of all loaded models with metrics and prediction stats. "
        "Reports model version, last trained date, key metrics, "
        "and prediction counts for the last 24 hours."
    ),
)
async def get_model_health(
    service: MonitoringService = Depends(get_monitoring_service),
) -> MonitoringResponse:
    """Return health status of all registered models."""
    return service.get_model_health()