WellNuo/services/ble/index.ts

// BLE Service entry point

import * as Device from 'expo-device';
import { IBLEManager } from './types';

// Determine if BLE is available (real device vs simulator)
export const isBLEAvailable = Device.isDevice;

// Lazy singleton - only create BLEManager when first accessed
let _bleManager: IBLEManager | null = null;

function getBLEManager(): IBLEManager {
  if (!_bleManager) {
    // Dynamic import to prevent crash on Android startup
    if (isBLEAvailable) {
      const { RealBLEManager } = require('./BLEManager');
      _bleManager = new RealBLEManager();
    } else {
      const { MockBLEManager } = require('./MockBLEManager');
      _bleManager = new MockBLEManager();
    }
  }
  return _bleManager!; // Non-null assertion - we just assigned it above
}

// Proxy object that lazily initializes the real manager
export const bleManager: IBLEManager = {
  scanDevices: () => getBLEManager().scanDevices(),
  stopScan: () => getBLEManager().stopScan(),
  connectDevice: (deviceId: string) => getBLEManager().connectDevice(deviceId),
  disconnectDevice: (deviceId: string) => getBLEManager().disconnectDevice(deviceId),
  isDeviceConnected: (deviceId: string) => getBLEManager().isDeviceConnected(deviceId),
  sendCommand: (deviceId: string, command: string) => getBLEManager().sendCommand(deviceId, command),
  getWiFiList: (deviceId: string) => getBLEManager().getWiFiList(deviceId),
  setWiFi: (deviceId: string, ssid: string, password: string) => getBLEManager().setWiFi(deviceId, ssid, password),
  getCurrentWiFi: (deviceId: string) => getBLEManager().getCurrentWiFi(deviceId),
  rebootDevice: (deviceId: string) => getBLEManager().rebootDevice(deviceId),
  cleanup: () => getBLEManager().cleanup(),
};

// Re-export types
export * from './types';

// Re-export permission utilities
export * from './permissions';