import { DEFAULT_LOCALE, LOCALE_CONFIG, SUPPORTED_LOCALES, type Locale } from "./locales";

export function getSaleorLocale(locale: Locale): string {
  return LOCALE_CONFIG[locale].saleorLocale;
}

export function getLocaleLabel(locale: Locale): string {
  return LOCALE_CONFIG[locale].label;
}

export function isDefaultLocale(locale: string): boolean {
  return locale === DEFAULT_LOCALE;
}

export function getLocaleFromParams(params: { locale: string }): Locale {
  const { locale } = params;
  if (SUPPORTED_LOCALES.includes(locale as Locale)) {
    return locale as Locale;
  }
  return DEFAULT_LOCALE;
}

export function getProductLocale(locale: Locale): string {
  return getSaleorLocale(locale);
}

export function buildHreflangAlternates(baseUrl: string): Record<string, string> {
  const alternates: Record<string, string> = {};
  for (const loc of SUPPORTED_LOCALES) {
    if (loc === DEFAULT_LOCALE) {
      alternates[loc] = baseUrl;
    } else {
      alternates[loc] = `${baseUrl}/${loc}`;
    }
  }
  return alternates;
}