import { Timezone, DateFormat, TimeFormat, FirstDayOfWeek, Language, Country, Continent } from '../types/localization';
import { languages, countries, continents } from '../constants/localization';

export * from '../types/localization';

/**
 * Gets Language
 * @param {string} code
 * @return {Language}
 */
export function getLanguage(code: string) {
  return languages.find(item => item.code === code);
}

/**
 * Gets Language By Tag
 * @param {string} tagCode
 * @return {Language}
 */
export function getLanguageByTag(tagCode: string) {
  return languages.find(item => item.tags.includes(tagCode));
}

/**
 * Gets Languages List
 * @param {string[]} codes
 * @return {Language[]}
 */
export function getLanguageList(codes?: string[]){
  if (codes) {
    return languages.filter(item => codes.includes(item.code));
  }
  return languages;
}

/**
 * Gets Country
 * @param {string} code
 * @return {Country}
 */
export function getCountry(code: string){
  return countries.find(item => item.code === code);
}

/**
 * Gets Countries List
 * @param {string[]} codes
 * @return {Country[]}
 */
export function getCountryList(codes?: string[]){
  if (codes) {
    return countries.filter(item => codes.includes(item.code));
  }
  return countries;
}

/**
 * Gets Continent
 * @param {string} code
 * @return {Continent}
 */
export function getContinent(code: string){
  return continents.find(item => item.code === code);
}

/**
 * Gets Continents List
 * @param {string[]} codes
 * @return {Continent[]}
 */
export function getContinentList(codes?: string[]){
  if (codes) {
    return continents.filter(item => codes.includes(item.code));
  }
  return continents;
}

/**
 * Gets Date Format List
 * @return {DateFormat[]}
 */
export function getDateFormatList() {
  return Object.entries(DateFormat).map(item => {
    return {
      name: item[0],
      value: item[1]
    }
  });
}

/**
 * Gets Time Format List
 * @return {TimeFormat[]}
 */
export function getTimeFormatList() {
  return Object.entries(TimeFormat).map(item => {
    return {
      name: item[0],
      value: item[1]
    }
  });
}

/**
 * Gets First Day of Week List
 * @return {FirstDayOfWeek[]}
 */
export function getFirstDayOfWeekList() {
  return Object.entries(FirstDayOfWeek).map(item => {
    return {
      name: item[0],
      value: item[1]
    }
  });
}

/**
 * Gets Timezone List
 * @return {string[]}
 */
export function getTimezoneList() {
  return Object.values(Timezone).map(item => item);
}