const fs = require('fs');
const path = require('path');

const DATA_DIR = path.join(__dirname, '../data');

function readTable(name) {
  const file = path.join(DATA_DIR, `${name}.json`);
  if (!fs.existsSync(file)) return [];
  return JSON.parse(fs.readFileSync(file, 'utf8'));
}

function writeTable(name, data) {
  const file = path.join(DATA_DIR, `${name}.json`);
  fs.writeFileSync(file, JSON.stringify(data, null, 2), 'utf8');
}

module.exports = { readTable, writeTable };