// Proxy to backend POST /api/v1/auth/register (with Turnstile verification)
export default defineEventHandler(async (event) => {
  const body = await readBody(event) as { turnstile_token?: string; email?: string; first_name?: string; last_name?: string; username?: string; password?: string };
  const token = body.turnstile_token;
  if (!token) {
    throw createError({ statusCode: 422, statusMessage: 'Güvenlik doğrulaması gerekli.', message: 'Güvenlik doğrulaması gerekli.' });
  }
  const validation = await verifyTurnstileToken(token, event);
  if (!validation.success) {
    throw createError({ statusCode: 400, statusMessage: 'Güvenlik doğrulaması başarısız.', message: 'Güvenlik doğrulaması başarısız.' });
  }
  const config = useRuntimeConfig();
  const publicConfig = config.public as Record<string, unknown>;
  const API_BASE = config.public.BASE_API_URL || (publicConfig.NUXT_PUBLIC_API_BASE as string) || 'http://127.0.0.1:8080';
  const res = await $fetch(`${API_BASE}/api/v1/auth/register`, {
    method: 'POST',
    body: {
      email: body.email,
      first_name: body.first_name,
      last_name: body.last_name,
      password: body.password,
      username: body.username,
    },
    headers: {
      'Content-Type': 'application/json',
      Accept: 'application/json',
    },
  }).catch((e: unknown) => {
    const err = e as { data?: { statusCode?: number }; statusCode?: number; data?: { message?: string }; message?: string; response?: { _data?: unknown } };
    throw createError({
      statusCode: err?.data?.statusCode ?? err?.statusCode ?? 400,
      statusMessage: (err?.data && typeof err.data === 'object' && 'message' in err.data ? (err.data as { message?: string }).message : null) ?? err?.message ?? 'Registration failed',
      data: err?.data ?? err?.response?._data,
    });
  });
  return res;
});