const BASE = import.meta.env.DEV ? 'http://127.0.0.1:8801' : '';

let token = localStorage.getItem('hub_token') ?? '';

export function setToken(value: string): void {
  token = value.trim();
  if (token) localStorage.setItem('hub_token', token);
  else localStorage.removeItem('hub_token');
}

async function call<T>(method: string, path: string, body?: unknown): Promise<T> {
  const response = await fetch(BASE + path, {
    method,
    headers: {
      'Content-Type': 'application/json',
      ...(token ? { Authorization: `Bearer ${token}` } : {}),
    },
    body: body === undefined ? undefined : JSON.stringify(body),
  });
  const data = (await response.json().catch(() => ({}))) as Record<string, unknown>;
  if (!response.ok) {
    throw new Error(typeof data.detail === 'string' ? data.detail : `${response.status} ${response.statusText}`);
  }
  return data as T;
}

export const api = {
  get: <T>(path: string) => call<T>('GET', path),
  post: <T>(path: string, body?: unknown) => call<T>('POST', path, body ?? {}),
  del: <T>(path: string) => call<T>('DELETE', path),
};

export function errorText(error: unknown): string {
  return error instanceof Error ? error.message : String(error);
}