import fs from 'fs';
import path from 'path';
import { CONSTANTS } from '../../helpers.js';
import { error } from '../../log/logger.js';
import { getConfig } from '../../util/getConfig.js';
import { readCsvFile } from '../../util/readCsvFile.js';

export async function loadCsvTranslationFiles(): Promise<
  Record<string, string>
> {
  try {
    const language = getConfig('shop.language', 'en');
    const folderPath = path.resolve(
      CONSTANTS.ROOTPATH,
      'translations',
      language
    );

    // Check if path exists
    if (!fs.existsSync(folderPath)) {
      return {};
    }

    const results = {};

    const files = await fs.promises.readdir(folderPath);
    const csvFiles = files.filter((file) => path.extname(file) === '.csv');
    const filePromises = csvFiles.map((file) => {
      const filePath = path.join(folderPath, file);
      return readCsvFile(filePath);
    });

    const fileDataList = await Promise.all(filePromises);

    for (const fileData of fileDataList) {
      for (const [key, value] of Object.entries(fileData)) {
        results[key] = value;
      }
    }

    return results;
  } catch (err) {
    error(err);
    return {};
  }
}