api.ts

const API_URL = import.meta.env.VITE_API_URL ?? 'http://localhost:4000';

function getToken(): string | null {
  const raw = sessionStorage.getItem('freclean-admin-session');
  if (!raw) return null;
  try {
    return JSON.parse(raw).token ?? null;
  } catch {
    return null;
  }
}

async function request<T>(path: string, options: RequestInit = {}): Promise<T> {
  const token = getToken();
  const res = await fetch(`${API_URL}${path}`, {
    ...options,
    headers: {
      'Content-Type': 'application/json',
      ...(token ? { Authorization: `Bearer ${token}` } : {}),
      ...options.headers,
    },
  });
  if (!res.ok) {
    const body = await res.json().catch(() => ({}));
    throw new Error(body.error ?? `Request failed with status ${res.status}`);
  }
  if (res.status === 204) return undefined as T;
  return res.json();
}

export async function apiLogin(email: string, password: string) {
  const res = await request<{ data: { token: string; user: { id: string; email: string; role: string } } }>(
    '/auth/login',
    { method: 'POST', body: JSON.stringify({ email, password }) },
  );
  return res.data;
}

export function listResource<T = Record<string, unknown>>(resource: string) {
  return request<{ data: T[] }>(`/api/${resource}`).then((r) => r.data);
}

export function createResource<T = Record<string, unknown>>(resource: string, body: unknown) {
  return request<{ data: T }>(`/api/${resource}`, { method: 'POST', body: JSON.stringify(body) }).then((r) => r.data);
}

export function updateResource<T = Record<string, unknown>>(resource: string, id: string, body: unknown) {
  return request<{ data: T }>(`/api/${resource}/${id}`, { method: 'PATCH', body: JSON.stringify(body) }).then(
    (r) => r.data,
  );
}

export function deleteResource(resource: string, id: string) {
  return request<void>(`/api/${resource}/${id}`, { method: 'DELETE' });
}