// Uses flutter_blue_plus to drive the ESP-IDF Unified Provisioning GATT protocol.
// No BLE pairing or password required.
//
// Android: minSdkVersion must be ≥ 21 in android/app/build.gradle.

class BleScanResult {
  const BleScanResult({
    required this.deviceId,
    required this.name,
    required this.rssi,
  });

  final String deviceId;
  final String name;
  final int rssi;
}

class BleProvisioner {
  // TODO: implement using flutter_blue_plus.
  // Filter scan by the ESP-IDF provisioning service UUID advertised by your firmware.

  /// Starts a BLE scan and emits discovered ESP32 provisioning devices.
  Stream<BleScanResult> scan() => throw UnimplementedError();

  Future<void> stopScan() async => throw UnimplementedError();

  /// Connects to [deviceId] and sends WiFi credentials via the ESP-IDF
  /// Unified Provisioning GATT profile (protobuf over BLE characteristic).
  Future<void> provision(
    String deviceId, {
    required String ssid,
    required String wifiPassword,
  }) async =>
      throw UnimplementedError();

  void dispose() {}
}