import i18n from 'i18next';

import { httpJson } from '../utils/http';
import { toBackendLocaleFromLanguageTag } from '../i18n/locale';

export type LegalLinks = {
  privacyPolicyUrl: string;
  termsOfUseUrl: string;
  resolvedLang: 'en' | 'tc';
};

export function buildAcceptLanguage(): 'en' | 'tc' {
  // 当前多语言仅支持 EN / TC；其他语言统一回退到 en
  return toBackendLocaleFromLanguageTag(i18n.language);
}

export async function fetchLegalLinks(): Promise<LegalLinks> {
  const headers: Record<string, string> = {
    'Accept-Language': buildAcceptLanguage(),
  };
  return await httpJson<LegalLinks>({
    path: '/v1/legal/links',
    method: 'GET',
    headers,
    timeoutMs: 8_000,
    debugLabel: 'LegalLinks',
  });
}