import 'dart:io';

import 'package:device_info_plus/device_info_plus.dart';
import 'package:flutter_sdk/starcloud_flutter_sdk.dart';

import '../global.dart';

const _talkServerUrl = 'http://scd.skychip.top:8710';
Future<void>? _initialization;

/// 初始化后生成的 App PeerID 会同时供 WiFi 配网及监控使用。
Future<void> initializeVideoTalk() {
  if (videoTalkReady.value) return Future<void>.value();
  final pending = _initialization;
  if (pending != null) return pending;

  final future = _initialize();
  _initialization = future;
  future.whenComplete(() {
    if (identical(_initialization, future)) _initialization = null;
  });
  return future;
}

Future<void> _initialize() async {
  videoTalkInitializing.value = true;
  try {
    var deviceId = 'dev_user_123';
    final deviceInfo = DeviceInfoPlugin();
    if (Platform.isAndroid) {
      deviceId = (await deviceInfo.androidInfo).id;
    } else if (Platform.isIOS) {
      deviceId = (await deviceInfo.iosInfo).identifierForVendor ?? deviceId;
    }

    await StarCloudClient.instance.talk.init(
      productName: 'Demo',
      unique: deviceId,
      baseUrl: _talkServerUrl,
    );
    appPeerId.value = StarCloudClient.instance.talk.myPeerId;
    videoTalkReady.value = true;
  } finally {
    videoTalkInitializing.value = false;
  }
}