#!/usr/bin/env node

const fg = require('fast-glob');
const fs = require('fs');
const path = require('path');

const LOCALES_DIR = path.resolve(__dirname, '../src/i18n/locales');
const OUTPUT_FILE = path.join(__dirname, '../src/i18n/compiled-i18n.json');

(async () => {
  const files = await fg('**/*.json', { cwd: LOCALES_DIR, absolute: true });

  const resources = {};
  const supportedLanguages = new Set();

  for (const filePath of files) {
    const parts = filePath.split(path.sep);
    const lang = parts[parts.length - 2];
    const ns = path.basename(filePath, '.json');

    supportedLanguages.add(lang);

    const json = JSON.parse(fs.readFileSync(filePath, 'utf-8'));

    if (!resources[lang]) resources[lang] = {};
    resources[lang][ns] = json;
  }

  const sortedLanguages = Array.from(supportedLanguages).sort();
  const sortedResources = sortedLanguages.reduce((acc, lang) => {
    const namespaces = resources[lang] || {};
    const sortedNamespaces = Object.keys(namespaces)
      .sort()
      .reduce((nsAcc, ns) => {
        nsAcc[ns] = namespaces[ns];
        return nsAcc;
      }, {});
    acc[lang] = sortedNamespaces;
    return acc;
  }, {});

  // Save compiled resources and languages
  fs.writeFileSync(
    OUTPUT_FILE,
    JSON.stringify(
      {
        resources: sortedResources,
        supportedLanguages: sortedLanguages,
      },
      null,
      2
    )
  );

  console.log('✅ i18n resources generated.');
})();