import { copyFileSync, existsSync, mkdirSync, readdirSync } from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

const frontendRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
const outputDirectory = path.join(frontendRoot, 'dist');

mkdirSync(outputDirectory, { recursive: true });

function copyEntry(source, destination) {
  const entries = readdirSync(source, { withFileTypes: true });
  mkdirSync(destination, { recursive: true });
  for (const entry of entries) {
    const sourcePath = path.join(source, entry.name);
    const destinationPath = path.join(destination, entry.name);
    if (entry.isDirectory()) {
      copyEntry(sourcePath, destinationPath);
    } else if (entry.isFile()) {
      copyFileSync(sourcePath, destinationPath);
    }
  }
}

for (const entry of ['libs', 'favicon.ico']) {
  const source = path.join(frontendRoot, entry);
  if (existsSync(source)) {
    const destination = path.join(outputDirectory, entry);
    if (entry.includes('.')) {
      copyFileSync(source, destination);
    } else {
      copyEntry(source, destination);
    }
  }
}