app-starlock/lib/talk/startChart/handle/impl/udp_talk_accept_handler.dart

import 'dart:convert';
import 'dart:typed_data';

import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_pcm_sound/flutter_pcm_sound.dart';
import 'package:get/get.dart';
import 'package:star_lock/talk/startChart/constant/message_type_constant.dart';
import 'package:star_lock/talk/startChart/constant/talk_status.dart';
import 'package:star_lock/talk/startChart/entity/scp_message.dart';
import 'package:star_lock/talk/startChart/handle/scp_message_base_handle.dart';
import 'package:star_lock/talk/startChart/handle/scp_message_handle.dart';
import 'package:star_lock/talk/startChart/proto/gateway_reset.pb.dart';
import 'package:star_lock/talk/startChart/proto/generic.pb.dart';
import 'package:star_lock/talk/startChart/proto/talk_accept.pb.dart';

import '../../start_chart_manage.dart';

class UdpTalkAcceptHandler extends ScpMessageBaseHandle
    implements ScpMessageHandler {
  @override
  void handleReq(ScpMessage scpMessage) {
    // 回复同意接听消息
    replySuccessMessage(scpMessage);
  }

  @override
  void handleResp(ScpMessage scpMessage) {
    if (talkStatus.status != TalkStatus.waitingAnswer) {
      // 如果不是等待接听状态，则不处理
      return;
    }
    // 收到同意接听回复
    final GenericResp genericResp = scpMessage.Payload;
    if (checkGenericRespSuccess(genericResp)) {
      // 启动通话保持定时器
      _handleStartTalkPing();
      // 启动发送预期数据请求
      _handleStartSendTalkExpectDataRequest();
      // 启动通话数据检查的定时器
      // _handleCheckTalkDataTimer();
      // 停止播放铃声
      stopRingtone();
      // 设置状态为接听成功
      talkStatus.setAnsweredSuccessfully();
      // // 同意接听之后，停止对讲请求超时监听定时器
      // talkeRequestOverTimeTimerManager.renewTimer();
      // talkeRequestOverTimeTimerManager.dispose();
    }
  }

  @override
  void handleInvalidReq(ScpMessage scpMessage) {}

  @override
  void handleRealTimeData(ScpMessage scpMessage) {}

  @override
  deserializePayload(
      {required int payloadType,
      required int messageType,
      required List<int> byte,
      int? offset,
      int? PayloadLength,
      int? spTotal,
      int? spIndex,
      int? messageId}) {
    if (messageType == MessageTypeConstant.Resp) {
      final GenericResp genericResp = GenericResp();
      genericResp.mergeFromBuffer(byte);
      return genericResp;
    } else if (messageType == MessageTypeConstant.Req) {
      final TalkAcceptReq talkAccept = TalkAcceptReq();
      talkAccept.mergeFromBuffer(byte);
      return talkAccept;
    } else {
      String payload = utf8.decode(byte);
      return payload;
    }
  }

  // 启动通话保持，判断x秒内是否收到通话保持
  void _handleStartTalkPing() {
    // 启动通话保持
    startChartManage.startTalkPingMessageTimer();
    // 启动通话保持监听定时器（用来判断如果x秒内没有收到通话保持则执行的操作）
    talkePingOverTimeTimerManager.start();
  }

  /// 启动通话数据的检查，判断x秒内是否收到通话数据
  void _handleCheckTalkDataTimer() {
    // 启动通话保持监听定时器（用来判断如果x秒内没有收到通话保持则执行的操作）
    talkDataOverTimeTimerManager.start();
  }

  /// 启动发送预期数据请求
  void _handleStartSendTalkExpectDataRequest() {
    // 启动发送预期数据定时器
    startChartManage.startTalkExpectTimer();
  }
}