import fs from 'node:fs';
import zlib from 'node:zlib';
import color from 'chalk';

const data = fs.readFileSync('data/products.csv', 'utf-8');
const products = data.split('\n');
const header = products.shift().split(',');
// console.log('header', header); // => Code,Short Description,Tagline,Quantity,Price

const convertCsvToJson = (productRow) => {
  // console.log('products', products);
  // console.log('ar', ar);

  const cols = productRow.split(/\s*,\s*/);
  // console.log(product);
  // let obj = {};

  // for (let i = 0; i < header.length; i++) {
  //   obj[header[i]] = cols[i];
  // }

  const product = header.reduce((obj, str, idx) => {
    obj[str] = cols[idx];
    return obj;
  }, {});

  return product;
};

const entries = products
  .filter((row) => row !== '') //
  .map(convertCsvToJson);
console.log(entries);

// fs.writeFile('a.json', JSON.stringify(entries), 'UTF-8', (err) => {
//   console.warn(err);
// });

const compressedData = zlib.gzipSync(JSON.stringify(entries));
try {
  fs.writeFileSync('data/products.json.gz', compressedData);
  console.log('compressed file');
} catch (err) {
  console.error(err);
}

/*
Übung 27: Ohne Umwege

Die Datei products.csv soll in eine products.json umgewandelt werden und in products.json.gz komprimiert werden.
*/

/*
Übung 27: Ohne Umwege

Die Datei products.csv soll in eine products.json umgewandelt werden und in products.json.gz komprimiert werden.
*/