import type { Place, ProviderId, ProviderInfo, WeatherReport } from "./weather/types";

/**
 * Browser-side calls to our own API routes.
 * Each throws an Error carrying the server's message, ready to show in the UI.
 */

async function getJson<T>(url: string, signal?: AbortSignal): Promise<T> {
  const response = await fetch(url, { signal });
  const body = await response.json().catch(() => ({}));
  if (!response.ok) {
    throw new Error(body.error ?? `Request failed (HTTP ${response.status})`);
  }
  return body as T;
}

export const fetchProviders = () => getJson<ProviderInfo[]>("/api/providers");

export const searchPlaces = (query: string, signal?: AbortSignal) =>
  getJson<Place[]>(`/api/geocode?q=${encodeURIComponent(query)}`, signal);

export const namePlace = (lat: number, lon: number) => getJson<Place>(`/api/geocode?lat=${lat}&lon=${lon}`);

export const fetchWeather = (provider: ProviderId, place: Place, signal?: AbortSignal) =>
  getJson<WeatherReport>(`/api/weather?provider=${provider}&lat=${place.lat}&lon=${place.lon}`, signal);