// Require the AWOC package.
const AWOC = require('a-world-of-countries')

// Initialize the AWOC class.
const myWorld = new AWOC()

// Let's retrieve the full list of nations of Europe.
const countriesOfEurope = myWorld.getCountriesListOf('Europe')
// It returns: [ 'Albania', 'Andorra', 'Austria', 'Belarus', 'Belgium', and so on... ]

// We can get the whole country data as well.
const italyData = myWorld.getCountryData('Italy')
/** Returns:
{
  'Country Name': 'Italy',
  ISO2: 'IT',
  ISO3: 'ITA',
  TLD: 'it',
  FIPS: 'IT',
  'ISO Numeric': '380',
  GeoNameID: '3175395',
  E164: '39',
  'Phone Code': '39',
  'Continent Name': 'Europe',
  'Continent Code': 'eu',
  Capital: 'Rome',
  'Time Zone in Capital': 'Europe/Rome',
  'Currency Name': 'Euro',
  Languages:
   'Italian (official), German (parts of Trentino-Alto Adige region are predominantly German-speaking), French (small French-speaking minority in Valle d\'Aosta region), Slovene (Slovene-speaking minority in the Trieste-Gorizia area)',
  'Area KM2': '301230'
}
*/

// Let's fetch a list of all continents of planet Earth.
const continentsList = myWorld.getContinentsList()
// Returns: ['Africa', 'Antarctica', 'Asia', 'Europe', 'North America', 'Oceania', 'South America']

// Let's fetch a list of all continents of planet Earth in form of data objects.
const continentsData = myWorld.getContinents()
/**
 Returns:
 [
  { 'Continent Code': 'af', 'Continent Name': 'Africa' },
  { 'Continent Code': 'an', 'Continent Name': 'Antarctica' },
  { 'Continent Code': 'as', 'Continent Name': 'Asia' },
  { 'Continent Code': 'eu', 'Continent Name': 'Europe' },
  { 'Continent Code': 'na', 'Continent Name': 'North America' },
  { 'Continent Code': 'oc', 'Continent Name': 'Oceania' },
  { 'Continent Code': 'sa', 'Continent Name': 'South America' }
 ]
*/

// Let's fetch the data of all countries of the world.
const countries = myWorld.getCountries()
/**
 Returns the full list of country objects.
 [...
 { 'Country Name': 'Cocos Islands', ISO2: 'CC', ISO3: 'CCK', TLD: 'cc', .. },
 { 'Country Name': 'Colombia', ISO2: 'CO', ISO3: 'COL', TLD: 'co', ... },
 ... ]
*/

// We can fetch a single value from the country data object.
const capitalOfSpain = myWorld.getCountryData('Spain', 'Capital')
// Returns: "Madrid".

// ... or just the full object.
const spainData = myWorld.getCountryData('Spain')
// Returns: {'Country Name': 'Spain', ISO2: 'ES', ISO3: 'ESP', TLD: 'es', ... }

// Let's fetch a list of world nations.
const getCountriesList = myWorld.getCountriesList()
// Returns: ['Afghanistan', 'Albania', 'Algeria', 'American Samoa', 'Andorra', ...]

// Let's fetch the list of nations of Europe.
const nationsOfEurope = myWorld.getCountriesListOf('Europe')
// Returns: [ 'Albania', 'Andorra', 'Austria', 'Belarus', 'Belgium', ...]

// Let's fetch the list of nations of Europe in form of country objects.
const nationsOfEurope = myWorld.getCountriesDataOf('Europe')
/**
 Returns:
 [
  { 'Country Name': 'Albania', ISO2: 'AL', ISO3: 'ALB', ... },
  { 'Country Name': 'Andorra', ISO2: 'AD', ISO3: 'AND', ... }
 ]
*/

const italyISO2 = myWorld.getCountryISO2('Italy')
// Returns: 'IT'

const italyISO3 = myWorld.getCountryISO3('Italy')
// Returns: 'ITA'

const italyTLD = myWorld.getCountryTLD('Italy')
// Returns: 'it'

const italyFIPS = myWorld.getCountryFIPS('Italy')
// Returns: 'IT'

const italyISONumeric = myWorld.getCountryISONumeric('Italy')
// Returns: '380'

const italyGEONameID = myWorld.getCountryGeoNameID('Italy')
// Returns: '3175395'

const italyE164 = myWorld.getCountryE164('Italy')
// Returns: '39'

const italyPhoneCode = myWorld.getCountryPhoneCode('Italy')
// Returns: '39'

const italyContinentName = myWorld.getCountryContinentName('Italy')
// Returns: 'Europe'

const italyContinentCode = myWorld.getCountryContinentCode('Italy')
// Returns: 'eu'

const capitalOfItaly = myWorld.getCountryCapitalCity('Italy')
// Returns: 'Rome'

const italyTimeZone = myWorld.getCountryTimeZone('Italy')
// Returns: 'Europe/Rome'

const italyCurrencyName = myWorld.getCountryCurrencyName('Italy')
// Returns: 'Euro'

// Let's fetch all the countries where the dollar is used.
const dollarNations = myWorld.getCountriesListByCurrency('Dollar')
// Returns: [ 'American Samoa', 'Anguilla', 'Antigua and Barbuda', 'Australia', 'Bahamas', ... ]

// We can also filter the above by continent.
const dollarNationsInSouthAmerica = myWorld.getCountriesListByCurrency(
  'Dollar',
  'South America'
)
// Returns: [ 'Ecuador', 'Guyana', 'Suriname' ]

// Let's fetch all the countries where the dollar is used in form of data objects
const dollarNationsObj = myWorld.getCountriesDataByCurrency('Dollar')
/**
 Returns:
 [...
  { 'Country Name': 'American Samoa', ISO2: 'AS', ISO3: 'ASM', TLD: 'as', FIPS: 'AQ', ... },
  { 'Country Name': 'Anguilla', ISO2: 'AI', ISO3: 'AIA', TLD: 'ai', FIPS: 'AV', ... },
 ...]
*/

// We can also filter the above by continent.
const dollarNationsInSouthAmericaObj = myWorld.getCountriesDataByCurrency(
  'Dollar',
  'South America'
)
/**
 Returns:
 [
   { 'Country Name': 'Ecuador', ISO2: 'EC', ISO3: 'ECU', TLD: 'ec', FIPS: 'EC', ... },
   { 'Country Name': 'Guyana',  ISO2: 'GY', ISO3: 'GUY', TLD: 'gy', FIPS: 'GY', ... },
   { 'Country Name': 'Suriname', ISO2: 'SR', ISO3: 'SUR', TLD: 'sr', FIPS: 'NS', ... }
 ]
 */

const italyLanguageCodes = myWorld.getCountryLanguages('Italy')
// Returns: 'Italian (official)', 'German (parts of Trentino-Alto Adige region are predominantly German-speaking)', 'French (small French-speaking minority in Valle d\'Aosta region)', 'Slovene (Slovene-speaking minority in the Trieste-Gorizia area)'.

// Let's fetch the extension area of Italy in km2
const italyExtensionAreaKm2 = myWorld.getCountryArea('Italy')
// Returns: 301230

// We can fetch it in mi2 too.
const italyExtensionAreaMi2 = myWorld.getCountryArea('Italy', 'mi2')
// Returns: 116305.44