import countriesAndLanguages from './countries_and_languages.json';

/** A single picker option - matches the {label, value} shape consumed by the visibility settings dropdowns. */
export interface OptionEntry {
  label: string;
  value: string;
}

interface RawCountry {
  name_en: string;
  iso2: string;
  iso3: string;
  region: string;
  languages: string[];
}

interface RawLanguage {
  code: string;
  name_en: string;
  name_native: string;
}

/**
 * Sentinel "not set" entry rendered first in the country dropdown so the
 * merchant can clear an existing selection. We only carry it for
 * countries - language is required (the scanner would refuse to build
 * grounded queries without one).
 */
const NOT_SET: OptionEntry = { label: '- not set -', value: '' };

const COUNTRIES = countriesAndLanguages.countries as RawCountry[];
const LANGUAGES = countriesAndLanguages.languages as RawLanguage[];

const SORTED_COUNTRY_OPTIONS: OptionEntry[] = COUNTRIES.map(country => ({
  label: `${country.name_en} (${country.iso2})`,
  value: country.iso2,
})).sort((a, b) => a.label.localeCompare(b.label));

const SORTED_LANGUAGE_OPTIONS: OptionEntry[] = LANGUAGES.map(language => ({
  label: language.name_en,
  value: language.code,
})).sort((a, b) => a.label.localeCompare(b.label));

/**
 * Country options for the Visibility settings drawer. Sourced from the
 * canonical ``countries_and_languages.json`` shared with
 * ``recomaze-ai-website`` (~200 ISO 3166-1 alpha-2 entries). The "-
 * not set -" sentinel is prepended so the dropdown can represent a
 * cleared selection.
 */
export const COUNTRY_OPTIONS: ReadonlyArray<OptionEntry> = [
  NOT_SET,
  ...SORTED_COUNTRY_OPTIONS,
];

/**
 * Language options for the Visibility settings drawer. Sourced from the
 * canonical ``countries_and_languages.json`` shared with
 * ``recomaze-ai-website`` (~180 ISO 639-1 entries).
 */
export const LANGUAGE_OPTIONS: ReadonlyArray<OptionEntry> =
  SORTED_LANGUAGE_OPTIONS;