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

const data = fs.readFileSync('data/products.csv', 'utf-8');
const productAr = data.split('\n').map((row) => row.replace('\n', ''));
const headerAr = productAr.shift().split(/\s*,\s*/);

console.log(productAr);

// console.log(headerAr);
// console.log('=======');
// console.log(productAr);

const convertCsvToJson = (products, headerAr) => {
  let jsonStr = '[\n';

  products.forEach((row, idxRow) => {
    jsonStr += '  {\n';
    row
      .trim()
      .split(',')
      .forEach((elem, idxElem, ar) => {
        if (ar.length === idxElem + 1) {
          if (isNaN(elem)) {
            jsonStr += `    "${headerAr[idxElem]}": "${elem}"\n`;
          } else {
            jsonStr += `    "${headerAr[idxElem]}": ${Number(elem)}\n`;
          }
        } else {
          if (isNaN(elem)) {
            jsonStr += `    "${headerAr[idxElem]}": "${elem}",\n`;
          } else {
            jsonStr += `    "${headerAr[idxElem]}": ${Number(elem)},\n`;
          }
        }
      });

    if (products.length === idxRow + 1) {
      jsonStr += `  }\n`;
    } else {
      jsonStr += `  },\n`;
    }
  });

  jsonStr += ']';

  console.log(color.yellow(`${jsonStr}`));

  fs.writeFile('products.json', jsonStr, 'utf-8', (err) => {
    if (err) {
      console.log(err);
    } else {
      console.log(color.green('file created!'));
    }
  });
};

convertCsvToJson(productAr, headerAr);