geoshell/lib/commands/country.js

A CLI to fetch real-time geo-data from your terminal

/**
 * Country command implementation
 */

const api = require('../utils/api');
const { CountryNotFound } = require('../utils/errors');

/**
 * Get country information
 * 
 * @param {string} name - Country name or ISO code
 * @param {Object} options - Options
 * @param {string[]} options.fields - Specific fields to return
 * @returns {Promise<Object>} Country information
 */
async function country(name, options = {}) {
  try {
    const url = `${api.BASE_URLS.countries}/name/${encodeURIComponent(name)}`;
    const data = await api.makeRequest(url);

    if (!data || data.length === 0) {
      throw new CountryNotFound(`Country '${name}' not found`);
    }

    const countryData = data[0];
    const countryInfo = {
      name: countryData.name?.common || name,
      capital: countryData.capital?.[0] || 'Unknown',
      population: countryData.population || 0,
      area: countryData.area || 0,
      currency: Object.keys(countryData.currencies || {})[0] || 'Unknown',
      languages: Object.values(countryData.languages || {}).join(', ') || 'Unknown',
      region: countryData.region || 'Unknown',
      subregion: countryData.subregion || 'Unknown',
      borders: countryData.borders?.join(', ') || 'None',
      flag: countryData.flags?.png || '',
    };

    // Filter fields if specified
    if (options.fields) {
      const filteredInfo = {};
      options.fields.forEach(field => {
        if (countryInfo[field] !== undefined) {
          filteredInfo[field] = countryInfo[field];
        }
      });
      return filteredInfo;
    }

    return countryInfo;
  } catch (error) {
    if (error instanceof CountryNotFound) {
      throw error;
    }
    throw new Error(`Failed to fetch country data: ${error.message}`);
  }
}

module.exports = country;