app-starlock/lib/talk/starChart/handle/scp_message_base_handle.dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';

import 'package:audioplayers/audioplayers.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:get/get.dart';

import 'package:star_lock/app_settings/app_settings.dart';
import 'package:star_lock/talk/other/audio_player_manager.dart';
import 'package:star_lock/talk/starChart/constant/payload_type_constant.dart';

import 'package:star_lock/talk/starChart/constant/udp_constant.dart';
import 'package:star_lock/talk/starChart/entity/scp_message.dart';
import 'package:star_lock/talk/starChart/handle/other/h264_frame_handler.dart';

import 'package:star_lock/talk/starChart/handle/other/talk_data_repository.dart';
import 'package:star_lock/talk/starChart/handle/other/talke_data_over_time_timer_manager.dart';
import 'package:star_lock/talk/starChart/handle/other/talke_ping_over_time_timer_manager.dart';
import 'package:star_lock/talk/starChart/handle/other/talke_request_over_time_timer_manager.dart';

import 'package:star_lock/talk/starChart/proto/generic.pb.dart';
import 'package:star_lock/talk/starChart/proto/talk_data.pb.dart';
import 'package:star_lock/talk/starChart/star_chart_manage.dart';

import 'package:star_lock/talk/starChart/status/star_chart_talk_status.dart';

class ScpMessageBaseHandle {
  /// 使用单例 TimerManager
  /// 超时处理
  final TalkeRequestOverTimeTimerManager talkeRequestOverTimeTimerManager =
      TalkeRequestOverTimeTimerManager();
  final TalkePingOverTimeTimerManager talkePingOverTimeTimerManager =
      TalkePingOverTimeTimerManager();
  final TalkDataOverTimeTimerManager talkDataOverTimeTimerManager =
      TalkDataOverTimeTimerManager();

  final startChartManage = StartChartManage();

  /// 分包缓冲区
  // 存储每个 messageId 对应的分包数据
  static Map<String, List<List<int>>> _packetBuffer = {};
  final Map<String, Timer> _packetTimers = {};
  final Duration _timeoutDuration = Duration(seconds: 10); // 分包组包最大超时时间

  // 通话数据流的单例流数据处理类
  final TalkDataRepository talkDataRepository = TalkDataRepository.instance;

  // 获取 StartChartTalkStatus 的唯一实例
  final StartChartTalkStatus talkStatus = StartChartTalkStatus.instance;

  final audioManager = AudioPlayerManager();

  // 处理出完整帧数据后的回调
  final H264FrameHandler frameHandler =
      H264FrameHandler(onCompleteFrame: (frameData) {
    // 处理完整的帧数据
    TalkDataRepository.instance.addTalkData(
      TalkData(contentType: TalkData_ContentTypeE.H264, content: frameData),
    );
  });

  // 回复成功消息
  void replySuccessMessage(ScpMessage scpMessage) {
    startChartManage.sendGenericRespSuccessMessage(
      ToPeerId: scpMessage.FromPeerId!,
      FromPeerId: scpMessage.ToPeerId!,
      PayloadType: scpMessage.PayloadType!,
      messageId: scpMessage.MessageId!,
    );
  }

  bool checkGenericRespSuccess(GenericResp genericResp) {
    if (genericResp == null) return false;
    final code = genericResp.code;
    final message = genericResp.message;
    return (code == UdpConstant.genericRespSuccessCode || code == null) &&
        message.toLowerCase() ==
            UdpConstant.genericRespSuccessMsg.toLowerCase();
  }

  void log({required String text}) {
    AppLog.log('==========${text}');
  }

  // 播放铃声
  void playRingtone() async {
    //test:使用自定义铃声
    await audioManager.playRingtone();
  }

  // 停止播放铃声
  void stopRingtone() async {
    await audioManager.stopRingtone();
  }

  /// 处理分包逻辑
  /// 如果没有收到所有包则返回null
  dynamic handleFragmentedPayload({
    required int messageId,
    required int spTotal,
    required int spIndex,
    required List<int> byte,
    required int payloadType,
  }) {
    // 初始化分包列表
    String key = '$messageId-$payloadType';
    if (!_packetBuffer.containsKey(key)) {
      _packetBuffer[key] = List.filled(spTotal, []);
      _startTimer(key);
    }

    // 检查分包索引是否在合法范围内
    if (spIndex < 1 || spIndex > spTotal) {
      // print(
      //     'Invalid spTotal: $spTotal spIndex: $spIndex for messageId: $messageId');
      return null;
    }

    // 存储当前分包
    _packetBuffer[key]![spIndex - 1] = byte;

    // 检查是否接收到所有分包
    if (_packetBuffer[key]!.every((packet) => packet.isNotEmpty)) {
      // 重组所有分包
      Uint8List completePayload = Uint8List.fromList(
          _packetBuffer[key]!.expand((packet) => packet).toList());
      // 清除已重组和超时的分包数据
      _clearPacketData(key);

      // 使用重组的包构造成TalkData
      if (payloadType == PayloadTypeConstant.talkData) {
        final talkData = TalkData();
        talkData.mergeFromBuffer(completePayload);
        return talkData;
      }
    } else {
      // 如果分包尚未接收完全，返回 null 或其他指示符
      return null;
    }
  }

  // 启动定时器
  void _startTimer(String key) {
    _packetTimers[key]?.cancel();
    _packetTimers[key] = Timer(_timeoutDuration, () {
      _clearPacketData(key);
    });
  }

  // 清除分包数据和定时器
  void _clearPacketData(String key) {
    _packetBuffer.remove(key);
    _packetTimers.remove(key)?.cancel();
  }

  // 处理通话请求未处理超时
  void _handleTalkeRequestOverTime() {}

  void _handleTalkePingOverTime() {}

  void _handleTalkDataOverTime() {}
}