api/routes/health.py

from fastapi import APIRouter, Depends
from pydantic import BaseModel
from api.dependencies import get_model_service
from api.services.model_service import ModelService


router = APIRouter()


class HealthResponse(BaseModel):
    status: str
    php_model_loaded: bool
    js_model_loaded: bool
    device: str


@router.get("/health", response_model=HealthResponse)
async def health_check(model_service: ModelService = Depends(get_model_service)):
    """
    Health check endpoint for load balancer
    """
    return HealthResponse(
        status="healthy",
        php_model_loaded=model_service.php_model is not None,
        js_model_loaded=model_service.js_model is not None,
        device=str(model_service.device)
    )


@router.get("/metrics")
async def metrics():
    """
    Prometheus metrics endpoint (placeholder)
    """
    return {
        "status": "ok",
        "metrics": "Not implemented yet"
    }