/**
 * 国际化请求配置 - next-intl 核心设置
 * 处理 4 种语言: vi, en, zh-CN, zh-TW
 */
import { getRequestConfig } from 'next-intl/server';

export default getRequestConfig(async ({ requestLocale }) => {
  let locale = await requestLocale;

  const supported = ['vi', 'en', 'zh-CN', 'zh-TW'] as const;
  if (!locale || !supported.includes(locale as (typeof supported)[number])) {
    locale = 'en';
  }

  return {
    locale,
    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
    messages: (await import(`../../messages/${locale}.json`)).default,
  };
});