import { api } from './client';

export interface CurrentUser {
  email: string;
  displayName: string;
  roles: string[];
}

export async function login(email: string, password: string): Promise<CurrentUser> {
  const { data } = await api.post<CurrentUser>('/auth/login', { email, password });
  return data;
}

export async function logout(): Promise<void> {
  await api.post('/auth/logout');
}

export async function fetchCurrentUser(): Promise<CurrentUser | null> {
  try {
    const { data } = await api.get<CurrentUser>('/auth/me');
    return data;
  } catch (err: unknown) {
    if (axiosStatus(err) === 401) return null;
    throw err;
  }
}

export async function updateMyProfile(displayName: string): Promise<CurrentUser> {
  const { data } = await api.put<CurrentUser>('/auth/me', { displayName });
  return data;
}

export async function changeMyPassword(currentPassword: string, newPassword: string): Promise<void> {
  await api.post('/auth/me/change-password', { currentPassword, newPassword });
}

function axiosStatus(err: unknown): number | undefined {
  if (typeof err === 'object' && err !== null && 'response' in err) {
    const resp = (err as { response?: { status?: number } }).response;
    return resp?.status;
  }
  return undefined;
}