import type { MailFooterCopy, MailLanguage } from "@hivegrid/mail";
import { defaultLocale, normalizeLocaleCandidate } from "@hivegrid/i18n";

import type { MailTranslator } from "~/locale/mail-translator.server";

export type LocalizedMailChrome = {
  readonly language: MailLanguage;
  readonly footerCopy: MailFooterCopy;
};

function normalizeMailLanguage(locale?: string): MailLanguage {
  return normalizeLocaleCandidate(locale) ?? defaultLocale;
}

/**
 * Resolves the shared, user-visible mail footer from the same locale as the
 * message body. Direct React-email call sites must pass this chrome explicitly
 * so they cannot silently fall back to the package's English preview defaults.
 */
export function localizedMailChrome(t: MailTranslator, locale?: string): LocalizedMailChrome {
  return {
    language: normalizeMailLanguage(locale),
    footerCopy: {
      privacyLabel: t("common.legal.privacyLabel"),
      termsLabel: t("common.legal.termsLabel"),
      imprintLabel: t("common.legal.imprintLabel"),
      unsubscribeLabel: t("common.legal.unsubscribeLabel"),
      supportBefore: t("common.support.htmlBefore"),
      supportLinkLabel: t("common.support.emailLinkLabel"),
      supportAfter: t("common.support.htmlAfter"),
      signoffClosing: t("common.signoff.closing"),
      signoffTeam: t("common.signoff.team"),
    },
  };
}