import 'dart:io';

/// Loads KEY=VALUE pairs from a `.env` file at the project root.
/// Lines starting with `#` and blank lines are ignored.
/// Returns an empty map if the file does not exist.
Map<String, String> loadEnv() {
  final file = File('.env');
  if (!file.existsSync()) return {};
  final result = <String, String>{};
  for (final line in file.readAsLinesSync()) {
    final trimmed = line.trim();
    if (trimmed.isEmpty || trimmed.startsWith('#')) continue;
    final idx = trimmed.indexOf('=');
    if (idx < 1) continue;
    result[trimmed.substring(0, idx).trim()] = trimmed.substring(idx + 1).trim();
  }
  return result;
}