from fastapi import FastAPI, Response
from prometheus_client import generate_latest, CONTENT_TYPE_LATEST

from .service import get_all_coordinates, get_coordinates_for_city
from .metrics import RequestTimer

app = FastAPI(title="Open-Meteo Coordinates Service")


@app.get("/coordinates")
def coordinates():
    with RequestTimer(endpoint="/coordinates", method="GET") as t:
        try:
            return get_all_coordinates()
        except Exception:
            t.set_status("500")
            raise


@app.get("/coordinates/{city}")
def coordinates_for_city(city: str):
    with RequestTimer(endpoint="/coordinates/{city}", method="GET") as t:
        try:
            return get_coordinates_for_city(city)
        except Exception:
            t.set_status("500")
            raise
        
@app.get("/metrics")
def metrics():
    return Response(generate_latest(), media_type=CONTENT_TYPE_LATEST)


@app.get("/healthz")
def healthz():
    return {"status": "ok"}