import 'dart:io';

import 'package:podman/podman.dart';

const String localBackendValue = 'local';

const String _backendEnvKey = 'PODMAN_TEST_BACKEND';
const String _localFlagEnvKey = 'PODMAN_LOCAL_TESTS';
const String _socketEnvKey = 'PODMAN_TEST_SOCKET';

/// Whether tests should run against a real Podman socket.
bool get useLocalPodmanTests {
  final backend = Platform.environment[_backendEnvKey];
  if (backend != null && backend.isNotEmpty) {
    return backend.toLowerCase() == localBackendValue;
  }

  final flag = Platform.environment[_localFlagEnvKey];
  if (flag == null || flag.isEmpty) {
    return false;
  }

  final normalized = flag.toLowerCase();
  return normalized == '1' || normalized == 'true' || normalized == 'yes';
}

/// Skip reason shown when local tests are disabled.
String get localTestsSkipReason =>
    'Set $_backendEnvKey=$localBackendValue (or $_localFlagEnvKey=1) '
    'to run local Podman integration tests.';

/// Creates a client for local Podman tests.
PodmanClient createLocalTestClient() {
  final socketPath = Platform.environment[_socketEnvKey];
  if (socketPath != null && socketPath.isNotEmpty) {
    return PodmanClient(socketPath: socketPath);
  }
  return PodmanClient();
}