import 'package:vpnclient_engine/vpnclient_engine.dart';

// Создание конфигурации
final config = VpnEngineConfig(
  core: CoreConfig(
    type: CoreType.singbox,
    configJson: '''
    {
      "server": "example.com",
      "port": 443,
      "protocol": "vless"
    }
    ''',
  ),
  driver: DriverConfig(
    type: DriverType.hevSocks5,
    mtu: 1500,
  ),
);

// Получение экземпляра движка
final engine = VpnClientEngine.instance;

// Инициализация
await engine.initialize(config);

// Установка callbacks
engine.setStatusCallback((status) {
  print('VPN Status: $status');
});

engine.setLogCallback((level, message) {
  print('[$level] $message');
});

// Подключение
await engine.connect();

// Отключение
await engine.disconnect();

// Подписка на изменения статуса
engine.statusStream.listen((status) {
  print('Status changed: $status');
});

// Подписка на статистику
engine.statsStream.listen((stats) {
  print('Traffic: ${stats.formattedTotalBytes}');
  print('Latency: ${stats.latencyMs}ms');
});

// Подписка на логи
engine.logStream.listen((log) {
  print('[${log['level']}] ${log['message']}');
});

// Использование SingBox
final config1 = VpnEngineConfig(
  core: CoreConfig(type: CoreType.singbox, configJson: '...'),
);

// Использование LibXray
final config2 = VpnEngineConfig(
  core: CoreConfig(type: CoreType.libxray, configJson: '...'),
);

// Использование V2Ray
final config3 = VpnEngineConfig(
  core: CoreConfig(type: CoreType.v2ray, configJson: '...'),
);

// Без драйвера (прямое подключение)
final config1 = VpnEngineConfig(
  core: CoreConfig(type: CoreType.singbox, configJson: '...'),
  driver: DriverConfig(type: DriverType.none),
);

// С HevSocks5
final config2 = VpnEngineConfig(
  core: CoreConfig(type: CoreType.singbox, configJson: '...'),
  driver: DriverConfig(
    type: DriverType.hevSocks5,
    mtu: 1500,
    tunAddress: '10.0.0.2',
  ),
);

// С Tun2Socks
final config3 = VpnEngineConfig(
  core: CoreConfig(type: CoreType.singbox, configJson: '...'),
  driver: DriverConfig(
    type: DriverType.tun2socks,
    mtu: 1500,
  ),
);

// Имя ядра
final coreName = await engine.getCoreName();
print('Core: $coreName');

// Версия ядра
final coreVersion = await engine.getCoreVersion();
print('Version: $coreVersion');

// Имя драйвера
final driverName = await engine.getDriverName();
print('Driver: $driverName');

// Текущий статус
final status = engine.status;
print('Status: $status');

// Статистика
await engine.updateStats();
final stats = engine.stats;
print('Sent: ${stats.formattedBytesSent}');
print('Received: ${stats.formattedBytesReceived}');

final config = VpnEngineConfig(
  core: CoreConfig(
    type: CoreType.singbox,
    configJson: '''
    {
      "log": {"level": "info"},
      "inbounds": [{
        "type": "tun",
        "tag": "tun-in",
        "inet4_address": "172.19.0.1/30",
        "auto_route": true,
        "strict_route": true,
        "sniff": true
      }],
      "outbounds": [{
        "type": "vless",
        "server": "example.com",
        "server_port": 443,
        "uuid": "your-uuid",
        "flow": "xtls-rprx-vision",
        "tls": {
          "enabled": true,
          "server_name": "example.com"
        }
      }]
    }
    ''',
  ),
  driver: DriverConfig(
    type: DriverType.hevSocks5,
    mtu: 1500,
  ),
);

final config = VpnEngineConfig(
  core: CoreConfig(
    type: CoreType.libxray,
    configJson: '''
    {
      "log": {"loglevel": "info"},
      "inbounds": [{
        "port": 1080,
        "protocol": "socks",
        "settings": {"udp": true}
      }],
      "outbounds": [{
        "protocol": "vless",
        "settings": {
          "vnext": [{
            "address": "example.com",
            "port": 443,
            "users": [{
              "id": "your-uuid",
              "flow": "xtls-rprx-vision",
              "encryption": "none"
            }]
          }]
        },
        "streamSettings": {
          "network": "tcp",
          "security": "tls"
        }
      }]
    }
    ''',
  ),
  driver: DriverConfig(
    type: DriverType.tun2socks,
    mtu: 1500,
  ),
);