import FileUtil from '../utils/File';
import { GlobalConfig } from '../../config';
import common from '@ohos.app.ability.common';
import UdpByOne from './tool/UdpByOne';

export default class TerClient {

  //一型机 二型机 三型机 一体机
  public terType: 0 | 1 | 2 | 3 = 2;
  public timer: number = 0
  private UdpByOneClass:UdpByOne

  constructor(context: common.UIAbilityContext) {
    this.getTerType(context)
  }

  public receiveMsg(message: string, callBack) {
    const terType = this.terType;
    //TODO 临时处理关闭消息接收
    this.cancelMsg(this.timer)

    switch (terType) {
    //一型机
      case 0:
        const udpClass = this.getFUdp()
        this.timer = setInterval(() => {
          const message = udpClass.handleMsg()
          callBack && callBack(message)
        }, 200)
        break;

    //TODO 二型机
      case 1:
        break;

    //三型机
      case 2:
        this.timer = setInterval(() => {
          callBack && callBack(message)
        }, 200)
        break;

    //TODO 一体机
      case 3:
      default:
        break
    }

    return this.timer
  }

  //取消订阅
  public cancelMsg(timer: number) {
    clearInterval(timer)
  }

  //获取后置机设备类型
  private async getTerType(context) {
    const fileUtil = new FileUtil(context)
    const config = await fileUtil.readFile(GlobalConfig.comoonfileWriteAddress + '/config/ipConfig.txt');
    const result = JSON.parse(config || '{}')
    //默认设置为三代机
    this.terType = result.terType
  }

  private async getMessage(udpClass) {
    const terType = this.terType;
  }


  //获取一型机单例
  private getFUdp(){
    if (!this.UdpByOneClass) {
      this.UdpByOneClass = new UdpByOne();
    }
    return this.UdpByOneClass;
  }
}