app-starlock/star_lock/lib/talk/udp/udp_talkClass.dart

import 'dart:async';

import 'package:audioplayers/audioplayers.dart';
import 'package:fast_gbk/fast_gbk.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';

import '../../appRouters.dart';
import '../../main/lockDetail/monitoring/monitoring/lockMonitoring_page.dart';
import '../../tools/storage.dart';
import 'udp_manage.dart';

class UDPTalkClass{
  static UDPTalkClass? _manager;
  static UDPTalkClass _share(){
    _manager ??= UDPTalkClass._init();
    return _manager!;
  }
  factory UDPTalkClass() => _share();
  UDPTalkClass get manager => _share();

  UDPTalkClass._init();

  var status = 0; //0：初始状态 1：等待监视 2：  3：监视中 4：呼叫成功 5：主角通话中  6：被叫通话  8：被叫通话中
  var remoteEquid;// 手机号
  late Timer timer;
  // 该字段是为了判断是否跳转到接听界面 挂断或者退出接听界面要记得变更状态
  var isBeCall = false;
  final audioPlayer = AudioPlayer();

  beCallW({List<int>? data, String? ip, int? port}) async {
    // print("beCall");
    // if (await isCallMe(data)) {
    //   return;
    // }

    if(status == 0){
      // 空闲
      // 响铃
      // [[Pub getApp] ring];
      remoteEquid = getEquidFrombb(data, 9);
      status = 6;

      // 呼叫应答，呼叫成功
      data![7] = 1;
      data[8] = 4;
      UDPManage().sendData(data);

      // 门锁发送视频
      data[7] = 1;
      data[8] = 5;
      UDPManage().sendData(data);

      // Get.to(MaterialPageRoute(
      //     builder: (context) {
      //       return const LockMonitoringPage();
      //     },
      //     fullscreenDialog: true
      // ));

      if(UDPTalkClass().isBeCall == false){
        UDPTalkClass().isBeCall = true;
        // 保持连接
        timer = Timer.periodic(1.seconds, (timer) {
          data[7] = 1;
          data[8] = 9;
          UDPManage().sendData(data);
        });
      }

      Get.toNamed(Routers.lockMonitoringPage, arguments: {
        "lockId": "111"
      });
      playLocalAudio();
    }else{
      // 忙

    }
  }

  // 判断是否是call的本人
  Future<bool> isCallMe(List<int>? data) async {
    final loginData = await Storage.getLoginData();
    print("getEquidFrombb(data, 1000):${getEquidFrombb(data, 12)}");
    if(loginData!.mobile == getEquidFrombb(data, 12)){
      return true;
    }
    return false;
  }

  String getEquidFrombb(List<int>? bb, int pos) {
    var equid = "";
    int equlen = 8;

    if (bb![pos] == 77) { //M
      equlen = 8;
    } else if (bb[pos] == 87) { //W
      equlen = 5;
    } else if (bb[pos] == 72) { //H
      equlen = 12;
    } else if (bb[pos] == 83) { //S
      equlen = 12;
    } else if (bb[pos] == 0x50) { //P
      equlen = 12;
    } else if (bb[pos] == 0x54) { //T
      equlen = 16;
    } else {
      equlen = 12;
    }

    List<int> tempbb = bb.sublist(pos, pos + equlen);
    equid = gbk.decode(tempbb);
    return equid;
  }


  //播放本地音频
  void playLocalAudio() async {
    audioPlayer.setReleaseMode(ReleaseMode.loop);
    await audioPlayer.play(AssetSource('ring1.mp3'));
  }

  // 停止播放本地音频
  void stopLocalAudio() async {
    audioPlayer.setReleaseMode(ReleaseMode.loop);
    await audioPlayer.stop();
  }
}