const API_URL = import.meta.env.VITE_EFC_API_URL || 'http://localhost:8000';
import { fetchWithAuth, postWithAuth, putWithAuth, deleteWithAuth } from '../fetchWithAuth';
import { extractApiError } from './apiError';

async function handleResponse(response) {
  if (response.status === 401) throw new Error('SESSION_EXPIRED');
  if (!response.ok) throw new Error(await extractApiError(response));
  const contentType = response.headers.get('content-type');
  if (!contentType || !contentType.includes('application/json')) return null;
  return response.json();
}

export async function fetchUsers() {
  const res = await fetchWithAuth(`${API_URL}/user/users/`);
  return handleResponse(res);
}

export async function createUser(userData) {
  const res = await postWithAuth(`${API_URL}/user/users/`, userData);
  return handleResponse(res);
}

export async function updateUser(id, userData) {
  const res = await putWithAuth(`${API_URL}/user/users/${id}/`, userData);
  return handleResponse(res);
}

export async function deleteUser(id) {
  const res = await deleteWithAuth(`${API_URL}/user/users/${id}/`);
  return handleResponse(res);
}

export async function getCurrentUser(token) {
  const res = await fetch(`${API_URL}/user/users/me/`, {
    headers: {
      'Authorization': `Bearer ${token}`,
      'Content-Type': 'application/json',
      'Accept': 'application/json',
    },
  });
  return handleResponse(res);
}